Patent Publication Number: US-8532218-B2

Title: Method and terminal for channel state information feedback

Description:
CROSS REFERENCE TO RELATED APPLICATIONS 
     This application claims the priority benefit of PCT/CN2011/001264 filed on Aug. 1, 2011 and Chinese Application No. 201010290522.1 filed on Sep. 20, 2010. The contents of these applications are hereby incorporated by reference in their entirety. 
     TECHNICAL FIELD 
     The present invention relates to the communication field, and in particular, to a method and terminal for feeding back channel status information. 
     BACKGROUND OF THE RELATED ART 
     In the wireless communication system, the sending end and the receiving end use a plurality of antennas with the space multiplexing mode to obtain a higher speed. Compared to the general space multiplexing method, a kind of enhanced technology is that the receiving end feeds back the channel information to the sending end, and the sending end uses the some transmission precoding technologies according to the obtained channel information to greatly improve the transmission performance. As for the single user multi-input multi-output (MIMO), it uses the channel feature vector information to perform the precoding directly; as for the multi-user MIMO, it needs more accurate channel information. 
     In the long term evolution (LTE) plan, for the feedback of the channel information, a feedback method which utilizes a simple single codebook is mainly used, and the performance of transmitting precoding technical in the MIMO depends more on the accuracy of the codebook feedback therein. 
     Here the basic principle of the channel information quantization feedback based on the codebook is described briefly as follows: 
     Suppose that the limited feedback channel capacity is B bps/Hz, and then the number of available code words is N=2 B . The feature vector space of the channel matrix forms the codebook space at  ={F 1 , F 2  . . . F N } through the quantization. The transmitting end and the receiving end both keep or produce in real time that codebook (which is the same in both the receiving end and the sending end). According to the channel matrix H obtained by the receiving end, the receiving end selects one code word {circumflex over (F)} which is most matched with the channel from the   according to a certain criterion, and feeds back the sequence number of code word i to the transmitting end. Here, the sequence number of code word is called precoding matrix indicator (PMI). The transmitting end finds the corresponding precoding code word {circumflex over (F)} according to that sequence number i, thus obtaining the channel information, and {circumflex over (F)} represents the feature vector information of the channel. 
     Generally speaking,   can be divided as a codebook corresponding to a plurality of Ranks, each Rank would correspond to a plurality of code words to quantize the precoding matrix formed by the channel feature vector under the Rank. Since the number of the Ranks and the number the non-zero feature vectors of the channel are equal, generally speaking, the code words with the Rank being N will have N columns. So, the codebook   can be divided into a plurality of sub codebooks with respect to different Ranks, as shown in Table 1. 
     
       
         
           
               
             
               
                 TABLE 1 
               
             
            
               
                   
               
               
                 
                   
                 
               
               
                 Layer number  υ (Rank) 
               
            
           
           
               
               
               
               
            
               
                 1 
                 2 
                 . . . 
                 N 
               
               
                   
               
               
                 
                   
                   1 
                 
                 
                   
                   2 
                 
                 . . . 
                 
                   
                   N 
                 
               
               
                 Code word vector 
                 Code word matrix 
                   
                 Code word matrix 
               
               
                 set with the column 
                 set with the 
                   
                 set with the 
               
               
                 number being 1 
                 column number 
                   
                 column number  
               
               
                   
                 being 2 
                   
                 being N 
               
               
                   
               
            
           
         
       
     
     Wherein, the code words needing to be stored when Rank&gt;1 are all in matrix form, wherein, the codebook in the LTE protocol adopts this kind of feedback method of codebook quantization. The codebook of the LTE downlink 4 transmission antennas is show in Table 2, and actually in the LTE, the meaning of the precoding codebook is same with that of the channel information quantization codebook. For unifying hereinafter, the vectors can be regarded as a matrix with the dimension being 1. 
     
       
         
           
               
               
               
             
               
                 TABLE 2 
               
             
            
               
                   
               
               
                 Code word 
                   
                 Total layer number      (RI) 
               
            
           
           
               
               
               
               
               
               
            
               
                 index 
                 u n   
                 1 
                 2 
                 3 
                 4 
               
               
                   
               
            
           
           
               
               
               
               
               
               
            
               
                 0 
                 u 0  = [1 −1 −1 −1] T   
                 W 0   (1)   
                 W 0   (14) /2 
                 W 0   (124) /{square root over (3)} 
                 W 0   (1234) /2 
               
               
                 1 
                 u 1  = [1 −j 1 j] T   
                 W 1   (1)   
                 W 1   (12) /2 
                 W 1   (123) /{square root over (3)} 
                 W 1   (1234) /2 
               
               
                 2 
                 u 2  = [1 1 −1 1] T   
                 W 2   (1)   
                 W 2   (12) /2 
                 W 2   (123) /{square root over (3)} 
                 W 2   (3214) /2 
               
               
                 3 
                 u 3  = [1 j 1 −j] T   
                 W 3   (1)   
                 W 3   (12) /2 
                 W 3   (123) /{square root over (3)} 
                 W 3   (3214) /2 
               
               
                 4 
                 u 4  = [1 (−1 − j)/{square root over (2)} −j (1 − j)/{square root over (2)}] T   
                 W 4   (1)   
                 W 4   (14) /2 
                 W 4   (124) /{square root over (3)} 
                 W 4   (1234) /2 
               
               
                 5 
                 u 5  = [1 (1 − j)/{square root over (2)} j (−1 − j)/{square root over (2)}] T   
                 W 5   (1)   
                 W 5   (14) /2 
                 W 5   (124) /{square root over (3)} 
                 W 5   (1234) /2 
               
               
                 6 
                 u 6  = [1 (1 + j)/{square root over (2)} −j (−1 + j)/{square root over (2)}] T   
                 W 6   (1)   
                 W 6   (13) /2 
                 W 6   (134) /{square root over (3)} 
                 W 6   (1324) /2 
               
               
                 7 
                 u 7  = [1 (−1 + j)/{square root over (2)} j (1 + j)/{square root over (2)}] T   
                 W 7   (1)   
                 W 7   (13) /2 
                 W 7   (134) /{square root over (3)} 
                 W 7   (1324) /2 
               
               
                 8 
                 u 8  = [1 −1 1 1] T   
                 W 8   (1)   
                 W 8   (12) /2 
                 W 8   (124) /{square root over (3)} 
                 W 8   (1234) /2 
               
               
                 9 
                 u 9  = [1 −j −1 −j] T   
                 W 9   (1)   
                 W 9   (14) /2 
                 W 9   (134) /{square root over (3)} 
                 W 9   (1234) /2 
               
               
                 10 
                 u 10  = [1 1 1 −1] T   
                 W 10   (1)   
                 W 10   (13) /2 
                 W 10   (123) /{square root over (3)} 
                 W 10   (1324) /2 
               
               
                 11 
                 u 11  = [1 j −1 j] T   
                 W 11   (1)   
                 W 11   (13) /2 
                 W 11   (134 )/{square root over (3)} 
                 W 11   (1324) /2 
               
               
                 12 
                 u 12  = [1 −1 −1 1] T   
                 W 12   (1)   
                 W 12   (12) /2 
                 W 12   (123) /{square root over (3)} 
                 W 12   (1234) /2 
               
               
                 13 
                 u 13  = [1 −1 1 −1] T   
                 W 13   (1)   
                 W 13   (13) /2 
                 W 13   (123) /{square root over (3)} 
                 W 13   (1324) /2 
               
               
                 14 
                 u 14  = [1 1 −1 −1] T   
                 W 14   (1)   
                 W 14   (13) /2 
                 W 14   (123) /{square root over (3)} 
                 W 14   (3214) /2 
               
               
                 15 
                 u 15  = [1 1 1 1] T   
                 W 15   (1)   
                 W 15   (12) /2 
                 W 15   (123) /{square root over (3)} 
                 W 15   (1234) /2 
               
               
                   
               
            
           
         
       
     
     Wherein, W n =I−2u n u n   H /u n   H u n , I is a unit matrix, W k   (j)  represents the j column vector of the matrix W k . W k   (j     1     , j     2     , . . . j     n     )  represents the matrix formed by the j 1 , j 2 , . . . , j n  columns of the matrix W k . 
     All of the above description is the principle of the codebook feedback technology in the LTE, and when implementing, it will also involve some specific feedback methods. 
     The feedback granularity of the channel information is introduced firstly. In the LTE standard, the minimum feedback unit of the channel information is the Subband channel information. One Subband is composed of several resource blocks (RB), and each RB is composed of a plurality of resource elements (RE). The RE is the minimum unit of the time-frequency resource in the LTE, and the resource representation way of the LTE continues to be used in the LTE-A. Several Subbands can be called Multi-Subband, and a plurality of Subbands can be called Wideband. 
     Now the feedback content corresponding to the channel information in the LTE is introduced, and the channel status information feedback includes: channel quality indication (abbreviated as CQI) information, PMI and rank indicant (abbreviated as RI). Here, the CSI content which we pay most attention to is the PMI information, but the RI and the CQI all belong to the content of the channel status information feedback. 
     The CQI is an index for weighing the quality of the downlink channel. The CQI is represented by the integer value of 0-15 in the 36-213 protocol, which respectively represents different CQI grades, and different CQIs correspond to their own modulation schemes and coding rates (modulation and coding scheme, MCS). 
     The RI is used for describing the number of the independent channels of the space, which corresponds to the rank of the channel response matrix. In the mode of open loop space multiplexing and closed loop space multiplexing, the UE is required to feed back the RI info illation, and it does not need to feed back the RI information in other modes. The rank of the channel matrix corresponds to the layer number. 
     Then some mechanisms related to the channel information feedback in the LTE are described: 
     The feedback modes of the uplink channel information in the LTE are divided into two kinds: the periodic channel information feedback on the physical uplink control channel (PUCCH) and the aperiodic channel information feedback on the physical uplink data shared channel (PUSCH). The PUCCH is a control channel, the reliability of the feedback is higher, but its feedback resources are more valuable, and the feedback overhead is limited strictly. Generally the feedback quantity of CSI (including one or more kinds of the PMI, the CQI and the RI) of one time cannot exceed 11 bits. The PUSCH can provide more CSI feedback resources, but the reliability cannot be guaranteed, and since the data transmission resources need to be occupied, and the data service transmission would be affected. 
     The long term evolution advanced (LTE-A) system, as the evolved standard of the LTE, supports greater system bandwidth (reaching as high as 100 MHz), and the LTE current standard is backwards compatible. In order to obtain much higher average spectral efficiency of the cell and improve the marginal coverage and throughput of the cell, the LTE-A supports at most 8 antennas in downlink on the basis of the current LTE system, and provides some feedback enhanced technologies with respect to the codebook feedback, which is mainly to strengthen the feedback precision of the codebook and compress the overhead by using the time relativity and/or the frequency domain relativity of the channel information. This technology can improve the frequency spectrum utilization rate of the international mobile telecommunications-advance (IMT-Advance) system and relieve the short supply of the spectral resources. Meanwhile, considering that the main application of 8 antennas will be the situation of bipolar, the design and enhancement of the codebook needs to fully consider the feature of the bipolar channel. 
     The main idea of this kind of the feedback technology of the enhanced codebook is to increase the overhead of the PMI feedback compared to the LTE feedback, and together represent the status information of the channel by using the feedback of two PMIS, mainly including two kinds of implementation modes: 
     the dual codebooks and dual PMI feedbacks are defined, or the single codebook equivalent to the dual codebooks and the dual PMI feedbacks are defined. 
     Defining dual codebooks and dual PMI feedbacks can further be described as: 
     1) the preceding/feedback structure of one Subband is composed of two matrixes. 
     2) each of the two matrixes belongs to one individual codebook. The codebook is known in advance at the same time by the base station and the UE. The feedback code word can be changed at different time and different Subbands. 
     3) one matrix represents the attribute of the long-time channel or the bandwidth. Another matrix represents the attribute of the short-time channel or a certain frequency band. 
     4) the used matrix codebooks are represented by a limited number of matrix sets, and each matrix is knowable for the UE and the base station. 
     5) wherein, one matrix can be a stationary matrix, and does not need the feedback. This moment, it corresponds to the case of degenerating to the single codebook feedback (which may be used in the case of unrelated channel of the high rank and the low rank). 
     It can be seen from here, a kind of structure based on the dual codebooks is provided with respect to the feedback of the channel information, which can be further described as: 
     for one or a plurality of union Subbands needing to feed back the channel information, the UE feeds back two PMI information (in some situations, it might not be through the feedback, one PMI also can be predefined as a fixed value without feedback), which are PMI 1  and PMI 2  respectively, to the base station, wherein, the PMI 1  corresponds to the code word W 1  in one codebook C 1 , and the PMI 2  corresponds to the code word W 2  in another codebook C 2 . The base station has the same information of C 1  and C 2 , after receiving the PMI 1  and the PMI 2 , it finds the corresponding code words W 1  and W 2  from the corresponding codebooks C 1  and C 2 , and calculates W=F(W 1 , W 2 ) to obtain the channel information W according to the agreed function rule F. 
     The above dual codebooks design criteria is a kind of specific codebook format in the LTE-A. In a specific implementation, it only needs to define the codebook corresponding to the W 1  and the W 2 , but actually there is a virtual codebook corresponding to W, and the consideration on performance aspect in the design is based on the codebook corresponding to W. The design of the codebook feedback has two important parts, the first important part is the specific structure, overhead and specific code word of the W, which concerns the performance of the dual codebooks feedback directly (although the feedback format of the specific definition is to feed back the W 1  and the W 2  without directly feeding back the W), and the consideration for this part is similar for the formats of the single codebook and the dual codebooks. The second important part is about how to divide the W into 2 codebooks to represent that the characteristic of the time domain/frequency domain of the channel changing can be more adapted, and the overhead is saved effectively. This belongs to the consideration for saving the overhead of the dual codebooks, and there is no consideration in this respect for the single codebook. 
     Except the above dual codebooks implementation, also there is one kind of single codebook feedback mode which is equivalent to using the dual codebooks and dual PMIs feedback: to define the single codebook equivalent to the dual codebooks and the dual PMIs feedback. 
     As to Rank=r, r is an integer, and the difference from the above 4Tx codebook lies in that, when the single codebook equivalent to the dual codebooks is used, it needs 2 PMI feedbacks to represent its information to feedback the code word in the corresponding codebook. The single codebook equivalent to the dual codebooks can generally be represented as shown in below Table 3. 
     
       
         
           
               
               
               
               
             
               
                   
                 TABLE 3 
               
             
            
               
                   
                   
               
               
                   
                   
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
            
               
                   
                   
                   
                 0 
                 1 
                 . . . 
                 N2 
               
               
                   
                   
               
               
                   
                 i 1   
                 0 
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
               
               
                   
                   
                 1 
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
               
               
                   
                   
                 2 
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
               
               
                   
                   
                 3 
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
               
               
                   
                   
                 . . . 
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
               
               
                   
                   
                 N-1 
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
               
               
                   
                   
                 N1 
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
                 W i1 ,  i2   
               
               
                   
                   
               
            
           
         
       
     
     Here, W i     1     ,i     2    is one code word indicated by i 1  i 2  together, and generally can be expressed as the function format W(i 1 , i 2 ), and only i 1  i 2  need to be determined. 
     For example, when r=1,
 
φ n   e   jπm/2  
 
 v   m =[1 e   j2πm/32   e   j4πm/32   e   j6πm/32 ] T 
 
     
       
         
           
               
               
             
               
                 TABLE 4 
               
               
                   
               
             
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 0 
                 1 
                 2 
                 3 
                 4 
                 5 
                 6 
                 7 
               
               
                   
               
               
                 0-15 
                 W 2i     1     ,0   (1)   
                 W 2i     1     ,1   (1)   
                 W 2i     1     ,2   (1)   
                 W 2i     1     ,3   (1)   
                 W 2i     1     +1,0   (1)   
                 W 2i     1     +1,1   (1)   
                 W 2i     1     +1,2   (1)   
                 W 2i     1     +1,3   (1)   
               
               
                   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 8 
                 9 
                 10 
                 11 
                 12 
                 13 
                 14 
                 15 
               
               
                   
               
               
                 0-15 
                 W 2i     1     +2,0   (1)   
                 W 2i     1     +2,1   (1)   
                 W 2i     1     +2,2   (1)   
                 W 2i     1     +2,3   (1)   
                 W 2i     1     +3,0   (1)   
                 W 2i     1     +3,1   (1)   
                 W 2i     1     +3,2   (1)   
                 W 2i     1     +3,3   (1)   
               
               
                   
               
               
                 
                   
                     
                       
                         
                           where 
                           ⁢ 
                           
                               
                           
                           ⁢ 
                           
                             W 
                             
                               m 
                               , 
                               n 
                             
                             
                               ( 
                               1 
                               ) 
                             
                           
                         
                         = 
                         
                           
                             1 
                             
                               8 
                             
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     v 
                                     m 
                                   
                                 
                               
                               
                                 
                                   
                                     
                                       φ 
                                       n 
                                     
                                     ⁢ 
                                     
                                       v 
                                       m 
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                       
                     
                   
                 
               
            
           
         
       
     
     Actually this mode is equivalent to the dual codebooks and dual PMNs, and the only difference lies in that this method does not define the two codebooks C 1  and C 2  any more, instead, defining the dual codebooks and the codebook corresponding to the W formed by the function relationship of the dual codebooks, that is, the virtual codebook are replaced by the actually defining the C 1  and C 2 . 
     Since in the LTE-A, the precision of the feedback is strengthened, which makes the sum of the overhead required by feeding back the information of the PMI 1  and the PMI 2  (also can be interpreted as the overhead of the codebook corresponding to the W) increase to some extent relative to the overhead of the single codebook in the LTE. when that codebook is applied to the channel information feedback on the PUCCH, and when the W 1  and the W 2  are transmitted in a subframe at the same time, it will make the CSI feedback overhead of the PUCCH be over the 11-bit overhead limitation, thus making the transmission performance of the PUCCH drop seriously and causing very severe influence on the system. 
     In addition, even if the PMI 1  and the PMI 2  are transmitted separately, for example, the PMI 1  and the RI are transmitted together, although the feedback of the PMI 1 +RI is not over the 11-bit overhead limitation, since increasing the overhead will make the bit error rate rise in the case that the transmission resources are definite, the bit error rate of the RI cannot be guaranteed very well, there will be the problem that the bit error rate of the RI does not meet the requirement. When the PMI 2  and the CQI are transmitted together, the excessive overhead also will cause the bit error rate increase and affect system performance. 
     No matter being the single codebook or the dual codebooks feedback, the increase of the feedback overhead will make the feedback overhead of the PUCCH be over the limitation, and make its transmission performance drop seriously. This is the problem required to be solved in the related art. 
     SUMMARY OF THE INVENTION 
     The present invention provides a method and terminal for feeding back channel status information, which can ensure that the CSI feedback overhead on the PUCCH is not over the limitation and prevent the transmission performance from decreasing dramatically, and can ensure the precision of the PMI feedback under the limited overhead, thus the CSI feedback on the PUCCH still can support the pre-coding technology effectively and have good compatibility with the feedback on the PUSCH. 
     In order to solve the above-mentioned problem, the present invention provides a method for feeding back channel status information, wherein, a terminal in long term evolution-advanced (LTE-A) quantizes the channel status information by using a codebook, and feeds back the channel status information through a physical uplink control channel; the method comprises: when the channel status information is fed back on the physical uplink control channel, code words contained in the used codebook C PUCCH (r) with layer number or rank being r are a subset of the code words contained in the codebook C PUSCH (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A; wherein, the C PUCCH (r) is a single codebook or a single codebook equivalent to dual codebooks; and the C PUSCH (r) is a single codebook or a single codebook equivalent to dual codebooks; and the single codebook equivalent to dual codebooks means that the actually used codebook is an actually defined single codebook, however, 2 pre-coding matrix identifiers are required to determine the codebook of the code words therein for a determined r. 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=1 or 2, the C PUSCH (r) has repetitive code words, and the C PUCCH (r) does not have repetitive code words. 
     Optionally, the above-mentioned method also can have the following characteristics: 
     the method further comprises: a base station notifying a terminal that what code words in the C PUSCH (r) compose the code words in the C PUCCH (r) through a high layer signaling. 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=1, all code words of the C PUSCH (r) meet the model 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
the u i  is a 4-dimension column vector, i=1, 2, 3 . . . m, m is a positive integer, and k=1, 2, 3, 4, and α k =e jπ(k−1)/2 ; for every u i , the C PUSCH (r) contains 4 code words
 
                   [           u   i               u   i           ]     ⁡     [           u   i               ju   i           ]       ⁡     [           u   i               -     u   i             ]       ⁡     [           u   i               -     ju   i             ]           
corresponding to the α k =e jπ(k−1)/2  in which k=1, 2, 3, 4, then: the code words that form the C PUCCH (r) are all or part of code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being {1,−1}; or, the code words that form the C PUCCH (r) are all or part of code words which are extracted from the C PUSCH (r) and meet model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being {j,−j}; or, half of the code words that form the C PUCCH (r) are part of code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being {1,−1}, and another half of the code words are part of code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being {j,−j}; or, ¼ of the code words that form the C PUCCH (r) are part of code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being 1, ¼ of the code words are part of code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being −1, ¼ of the code words are part of code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being j, and ¼ of the code words are part of code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being −j.
 
     Optionally, the above-mentioned method also can have the following characteristics: 
     there are only 2 code words meeting the model 
                   [           u   i                 α   k     ⁢     u   i             ]           
corresponding to the u i  at most in the C PUCCH (r) when the values of the u i  are the same.
 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=1, all code words of the C PUSCH (r) meet the model 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
the u i  is one 4-dimension column vector, i=1, 2, 3 . . . m, m is a positive integer and is multiple of 4; for every u i , the C PUSCH (r) contains 4 code words
 
                   [           u   i               u   i           ]     ⁡     [           u   i               j   ⁢           ⁢     u   i             ]       ⁡     [           u   i               -     u   i             ]       ⁡     [           u   i                 -   j     ⁢           ⁢     u   i             ]           
corresponding to the α k =e jπ(k−1)/2  in which k=1, 2, 3, 4; there are 4n different code words in the C PUSCH (r), noted as wherein,
 
                   ⋃     i   =   1       n     ⁢         ⋃   4       k   =   1       ⁢     {     [           v   i                 α   k     ⁢     v   i             ]     }         ,         
wherein, v i =[1 e j2π(i−1)/N  e j4π(i−1)/N  e j6π(i−1)/N ] T , and i=1, 2, 3 . . . n, and N=16 or 32; the code words that form the C PUCCH (r) are all or part of the code words selected from
 
                   ⋃     i   =   1         n   2       ⁢         ⋃   4       k   =   1       ⁢     {     [           v       2   ⁢   i     -   1                   α   k     ⁢     v       2   ⁢   i     -   1               ]     }         ;         
or, the code words that form the C PUCCH (r) are all or part of the code words selected from
 
                   ⋃     i   =   1         n   2       ⁢         ⋃   4       k   =   1       ⁢     {     [           v     2   ⁢   i                   α   k     ⁢     v     2   ⁢   i               ]     }         ;         
or, the code words that form the C PUCCH (r) are all or part of the code words selected from
 
                   ⋃     i   =   1         n   4       ⁢         ⋃   4       k   =   1       ⁢     {     [           v       4   ⁢   i     -   1                   α   k     ⁢     v       4   ⁢   i     -   1               ]     }         ;         
or, the code words that form the C PUCCH (r) are all or part of the code words selected from
 
                   ⋃     i   =   1         n   4       ⁢         ⋃   4       k   =   1       ⁢     {     [           v       4   ⁢   i     -   2                   α   k     ⁢     v       4   ⁢   i     -   2               ]     }         ;         
or, the code words that form the C PUCCH (r) are all or part of the code words selected from
 
                   ⋃     i   =   1         n   4       ⁢         ⋃   4       k   =   1       ⁢     {     [           v       4   ⁢   i     -   3                   α   k     ⁢     v       4   ⁢   i     -   3               ]     }         ;         
or, the code words that form the C PUCCH (r) are all or part of the code words selected from
 
     
       
         
           
             
               
                 ⋃ 
                 
                   i 
                   = 
                   1 
                 
               
               
                 n 
                 4 
               
             
             ⁢ 
             
               
                 
                   ⋃ 
                   4 
                 
                 
                   k 
                   = 
                   1 
                 
               
               ⁢ 
               
                 
                   { 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             
                               4 
                               ⁢ 
                               i 
                             
                           
                         
                       
                       
                         
                           
                             
                               α 
                               k 
                             
                             ⁢ 
                             
                               v 
                               
                                 4 
                                 ⁢ 
                                 i 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
                 . 
               
             
           
         
       
     
     Optionally, the above-mentioned method also can have the following characteristics: 
     there are only 1 or 2 code words meeting the model 
                   [           v   i                 α   k     ⁢     v   i             ]           
corresponding to the v i  in the C PUCCH (r) when the values of the v i  are the same in the codebook.
 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=2, the code words of the C PUSCH (r) meet the model 
                     [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]     ,           
the u i  and u ii  are the same or different 4 dimension vectors, the C PUSCH (r) has A cases that u i =u ii  and B cases that u i ≠u ii , A is a positive integer, B is a non-negative integer, and α k  has 2 values {1, j} for each combination case of (u i , u ii ), then:
 
     the code words that form the C PUCCH (r) are all or part of the code words selected from the code words in the A cases that in u i =u ii  in the C PUSCH (r); 
     or, the code words that form the C PUCCH (r) are part of the code words which are extracted from the C PUSCH (r) and meet model 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with the corresponding α k =1;
 
     or, the code words that form the C PUCCH (r) are part of the code words which are extracted from the C PUSCH (r) and meet model 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with u i =u ii  and α k =1;
 
     or, half code words that form the C PUCCH (r) are code words which are extracted from the C PUSCH (r) and meet the model 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with the corresponding α k =1; and half code words are code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with the corresponding α k =j;
 
     or, half code words that form the C PUCCH (r) are part of the code words selected from the code words in the A cases that u i =u ii  in the C PUSCH (r); the other half code words are part of the code words selected from the C PUCCH (r). 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=3, all or part of the code words of the C PUSCH (r) meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, for each u i  and u ii  combination (u i , u ii ), α k  corresponds to 4 values of {1,−1, j,−j} respectively, then:
 
     the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being {1,−1};
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being {1, j};
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being {−1,−j};
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being 1;
 
     or, the code words that form C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being −1.
 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=3, all or part of the code words of the C PUSCH (r) meet the model 
                     [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,           
wherein, the u i  and u ii  are different 4-dimension vectors, for each u i  and u ii  combination (u i , u ii ), α k  is corresponding to 2 values of {1,−1} respectively, then:
 
     the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being 1;
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being −1.
 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=3, the C PUSCH (r) comprises an even number of code words, and half of an even number of code words meet the model 
                     [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,           
and the other half meet
 
                   [           u   ii           u   ii           u   i                 α   k     ⁢     u   ii               -     α   k       ⁢     u   ii               α   k     ⁢     u   i             ]           
corresponding to the
 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, and α k  corresponds to the subset of {1,−1, j,−j} or {1,−1, j,−j}, then:
 
     the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
     
       
         
           
             
               [ 
               
                 
                   
                     
                       u 
                       i 
                     
                   
                   
                     
                       u 
                       i 
                     
                   
                   
                     
                       u 
                       ii 
                     
                   
                 
                 
                   
                     
                       
                         α 
                         k 
                       
                       ⁢ 
                       
                         u 
                         i 
                       
                     
                   
                   
                     
                       
                         - 
                         
                           α 
                           k 
                         
                       
                       ⁢ 
                       
                         u 
                         i 
                       
                     
                   
                   
                     
                       
                         α 
                         k 
                       
                       ⁢ 
                       
                         u 
                         ii 
                       
                     
                   
                 
               
               ] 
             
             ; 
           
         
       
     
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
     
       
         
           
             
               [ 
               
                 
                   
                     
                       u 
                       ii 
                     
                   
                   
                     
                       u 
                       ii 
                     
                   
                   
                     
                       u 
                       i 
                     
                   
                 
                 
                   
                     
                       
                         α 
                         k 
                       
                       ⁢ 
                       
                         u 
                         ii 
                       
                     
                   
                   
                     
                       
                         - 
                         
                           α 
                           k 
                         
                       
                       ⁢ 
                       
                         u 
                         ii 
                       
                     
                   
                   
                     
                       
                         α 
                         k 
                       
                       ⁢ 
                       
                         u 
                         i 
                       
                     
                   
                 
               
               ] 
             
             ; 
           
         
       
     
     or, half of the code words that form the C PUCCH (r) are part of the code words which are selected from the C PUSCH (r) and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
and the other half of code words are the code words meeting the
 
                   [           u   ii           u   ii           u   i                 α   k     ⁢     u   ii               -     α   k       ⁢     u   ii               α   k     ⁢     u   i             ]           
corresponding to the
 
     
       
         
           
             
               [ 
               
                 
                   
                     
                       u 
                       i 
                     
                   
                   
                     
                       u 
                       i 
                     
                   
                   
                     
                       u 
                       ii 
                     
                   
                 
                 
                   
                     
                       
                         α 
                         k 
                       
                       ⁢ 
                       
                         u 
                         i 
                       
                     
                   
                   
                     
                       
                         - 
                         
                           α 
                           k 
                         
                       
                       ⁢ 
                       
                         u 
                         i 
                       
                     
                   
                   
                     
                       
                         α 
                         k 
                       
                       ⁢ 
                       
                         u 
                         ii 
                       
                     
                   
                 
               
               ] 
             
             . 
           
         
       
     
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=4, all or part of the code words of the C PUSCH (r) meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, and for each u i  and u ii  combination (u i , u ii ), i=a and ii=b is equivalent to i=b and ii=a; for each combination (u i , u ii ), α k  corresponds to 2 values of {1,−1} respectively, then:
 
     the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
and α k  corresponds to 1;
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
and α k  corresponds to j;
 
     or, half of code words that form the C PUCCH (r) are part of the code words which are selected from the C PUSCH (r) and meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
and α k  corresponds to 1; the other half of code words that form the C PUCCH (r) are part of the code words which are selected from the C PUSCH (r) and meet the model
 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
and α k  corresponds to j.
 
     Optionally, the above-mentioned method also can have the following characteristics: the codebook obtained after the conversion of exchanging the columns of the code words arbitrarily, multiplying by constant coefficient, or exchanging the rows of all code words together has been performed for the C PUCCH (r) and the C PUSCH (r) is equivalent to the codebook before the conversion. 
     In order to solve the above-mentioned problem, the present invention further provides a method for feeding back channel status information, comprising: a terminal in long term evolution-advanced (LTE-A) quantizing the channel status information by using a codebook, and feeding back the channel status information through a physical uplink control channel; when the channel status information is fed back on the physical uplink control channel, code words in a used first sub codebook C PUCCH   1 (r) with layer number or rank being r are part of the code words in the first codebook C PUSCH   1 (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A, and/or, code words in a used second sub codebook C PUCCH   2 (r) with layer number or rank being r are part of the code words in the second codebook C PUSCH   2 (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A; the C PUCCH (r) is a single codebook equivalent to codebooks C PUCCH   1 (r) and C PUCCH   2 (r); and the C PUCCH (r) is equivalent to a set formed by all new code words which can be indicated through one function F 1  by all code words in the codebook C PUCCH (r) and all code words of C PUCCH   2 (r) together; and the C PUSCH (r) is a virtual single codebook equivalent to codebooks C PUSCH   1 (r) and C PUSCH   2 (r); and the C PUSCH (r) is equivalent to a set formed by all new code words which can be indicated through one function F 1  by all code words in the codebook C PUSCH   1  and all code words of C PUSCH   2  together. 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=1 or 2, the C PUSCH (r) has repetitive code words, and the C PUCCH (r) does not have repetitive code words. 
     Optionally, the above-mentioned method also can have the following characteristics: 
     the method further comprises: a base station notifying a terminal of following information through a high layer signaling: 
     what code words in the C PUSCH (r) compose the code words in the C PUCCH (r); 
     or, what code words in the C PUSCH   1 (r) compose the code words in the C PUSCH   1 (r); 
     or, what code words in the C PUSCH   2 (r) compose the code words in the C PUCCH   2 (r); 
     or, what code words in the C PUSCH   1 (r) compose the code words in the C PUSCH   1 (r), and what code words in the C PUCCH   2 (r) composes the code words in the C PUSCH   2 (r). 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=1, all code words of the C PUSCH (r) meet the model 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
the u i  is one 4-dimension column vector, i=1, 2, 3 . . . m, m is a positive integer, and k=1, 2, 3, 4, and α k =e jπ(k−1)/2 ; for every u i , the C PUSCH (r) contains the 4 code words
 
                   [           u   i               u   i           ]     ⁡     [           u   i               ju   i           ]       ⁡     [           u   i               -     u   i             ]       ⁡     [           u   i               -     ju   i             ]           
corresponding to the α k =e jπ(k−1)/2  in which k=1, 2, 3, 4, then:
 
     the code words that form the C PUCCH (r) are all or part of the code words which are extracted from the C PUSCH (r) and meet the model 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being {1,−1};
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are extracted from the C PUSCH (r) and meet model 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being {j,−j};
 
     or, half of code words that form the C PUCCH (r) are part of the code words which are extracted from the C PUSCH (r) and meet the model 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being {1,−1}, and the other half of code words are part of the code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being {j,−j};
 
     or, ¼ of the code words that form the C PUCCH (r) are part of the code words which are extracted from the C PUSCH (r) and meet the model 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being 1, ¼ of the code words are part of the code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being −1, ¼ of the code words are part of the code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being j, and ¼ of the code words are part of the code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i                 α   k     ⁢     u   i             ]           
with the corresponding α k  being −j.
 
     Optionally, the above-mentioned method also can have the following characteristics: 
     there are only 2 code words meeting the model 
                   [           u   i                 α   k     ⁢     u   i             ]           
corresponding to the u i  at most in the C PUCCH (r) when the values of the u i  are the same.
 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=1, all code words of the C PUSCH (r) meet the model 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
the is one 4-dimension column vector, i=1, 2, 3 . . . m, m is a positive integer and is multiple of 4; for every u i , the C PUSCH (r) contains the 4 code word models
 
                   [           u   i               u   i           ]     ⁡     [           u   i               j   ⁢           ⁢     u   i             ]       ⁡     [           u   i               -     u   i             ]       ⁡     [           u   i                 -   j     ⁢           ⁢     u   i             ]           
of the α k =e jπ(k−1)/2  in which k=1, 2, 3, 4; there are 4n different code words in the C PUSCH (r), noted as
 
                 ⋃     i   =   1     n     ⁢       ⋃     k   =   1     4     ⁢     {     [           v   i                 α   k     ⁢     v   i             ]     }         ,         
wherein, v i =[1 e j2π(i−1)/N  e j4π(i−1)/N  e j6π(i−1)/N ] T , and i=1, 2, 3 . . . n, and N=16 or 32;
 
     the code words that form the C PUCCH (r) are all or part of the code words selected from 
     
       
         
           
             
               
                 ⋃ 
                 
                   i 
                   = 
                   1 
                 
                 
                   n 
                   2 
                 
               
               ⁢ 
               
                 
                   ⋃ 
                   
                     k 
                     = 
                     1 
                   
                   4 
                 
                 ⁢ 
                 
                   { 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             
                               
                                 2 
                                 ⁢ 
                                 i 
                               
                               - 
                               1 
                             
                           
                         
                       
                       
                         
                           
                             
                               α 
                               k 
                             
                             ⁢ 
                             
                               v 
                               
                                 
                                   2 
                                   ⁢ 
                                   i 
                                 
                                 - 
                                 1 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
               
             
             ; 
           
         
       
     
     or, the code words that form the C PUCCH (r) are all or part of the code words selected from 
     
       
         
           
             
               
                 ⋃ 
                 
                   i 
                   = 
                   1 
                 
                 
                   n 
                   2 
                 
               
               ⁢ 
               
                 
                   ⋃ 
                   
                     k 
                     = 
                     1 
                   
                   4 
                 
                 ⁢ 
                 
                   { 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             
                               2 
                               ⁢ 
                               i 
                             
                           
                         
                       
                       
                         
                           
                             
                               α 
                               k 
                             
                             ⁢ 
                             
                               v 
                               
                                 2 
                                 ⁢ 
                                 i 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
               
             
             ; 
           
         
       
     
     or, the code words that form the C PUCCH (r) are all or part of the code words selected from 
     
       
         
           
             
               
                 ⋃ 
                 
                   i 
                   = 
                   1 
                 
                 
                   n 
                   4 
                 
               
               ⁢ 
               
                 
                   ⋃ 
                   
                     k 
                     = 
                     1 
                   
                   4 
                 
                 ⁢ 
                 
                   { 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             
                               
                                 4 
                                 ⁢ 
                                 i 
                               
                               - 
                               1 
                             
                           
                         
                       
                       
                         
                           
                             
                               α 
                               k 
                             
                             ⁢ 
                             
                               v 
                               
                                 
                                   4 
                                   ⁢ 
                                   i 
                                 
                                 - 
                                 1 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
               
             
             ; 
           
         
       
     
     or, the code words that form the C PUCCH (r) are all or part of the code words selected from 
     
       
         
           
             
               
                 ⋃ 
                 
                   i 
                   = 
                   1 
                 
                 
                   n 
                   4 
                 
               
               ⁢ 
               
                 
                   ⋃ 
                   
                     k 
                     = 
                     1 
                   
                   4 
                 
                 ⁢ 
                 
                   { 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             
                               
                                 4 
                                 ⁢ 
                                 i 
                               
                               - 
                               2 
                             
                           
                         
                       
                       
                         
                           
                             
                               α 
                               k 
                             
                             ⁢ 
                             
                               v 
                               
                                 
                                   4 
                                   ⁢ 
                                   i 
                                 
                                 - 
                                 2 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
               
             
             ; 
           
         
       
     
     or, the code words that form the C PUCCH (r) are all or part of the code words selected from 
     
       
         
           
             
               
                 ⋃ 
                 
                   i 
                   = 
                   1 
                 
                 
                   n 
                   4 
                 
               
               ⁢ 
               
                 
                   ⋃ 
                   
                     k 
                     = 
                     1 
                   
                   4 
                 
                 ⁢ 
                 
                   { 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             
                               
                                 4 
                                 ⁢ 
                                 i 
                               
                               - 
                               3 
                             
                           
                         
                       
                       
                         
                           
                             
                               α 
                               k 
                             
                             ⁢ 
                             
                               v 
                               
                                 
                                   4 
                                   ⁢ 
                                   i 
                                 
                                 - 
                                 3 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
               
             
             ; 
           
         
       
     
     or, the code words that form the C PUCCH (r) are all or part of the code words selected from 
     
       
         
           
             
               
                 ⋃ 
                 
                   n 
                   4 
                 
               
               
                 i 
                 = 
                 1 
               
             
             ⁢ 
             
               
                 
                   ⋃ 
                   4 
                 
                 
                   k 
                   = 
                   1 
                 
               
               ⁢ 
               
                 
                   { 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             
                               4 
                               ⁢ 
                               i 
                             
                           
                         
                       
                       
                         
                           
                             
                               α 
                               k 
                             
                             ⁢ 
                             
                               v 
                               
                                 4 
                                 ⁢ 
                                 i 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
                 . 
               
             
           
         
       
     
     Optionally, the above-mentioned method also can have the following characteristics: 
     there are only 1 or 2 code words meeting the model 
                   [           v   i                 α   k     ⁢     v   i             ]           
corresponding to the v i  in the C PUCCH (r) when the values of the v i  are the same in the codebook.
 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=2, the code words of the C PUSCH (r) meet the model 
               [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]     ,         
the u i  and u ii  are the same or different 4-dimension vectors, the C PUSCH (r) has A cases that u i =u ii  and B cases that u i ≠u ii , A is a positive integer, B is a nonnegative integer, and α k  has 2 values {1, j} for each combination case of (u i , u ii ), then:
 
     the code words that form the C PUCCH (r) are all or part of the code words selected from the code words in the A cases that u i =u ii  in the C PUSCH (r); 
     or, the code words that form the C PUCCH (r) are part of the code words which are extracted from the C PUSCH (r) and meet model 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with the corresponding α k =1;
 
     or, the code words that form the C PUCCH (r) are part of the code words which are extracted from the C PUSCH (r) and meet model 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with u i =u ii  and α k =1;
 
     or, half of code words that form the C PUCCH (r) are the code words which are extracted from the C PUSCH (r) and meet the model 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with the corresponding α k =1; and the other half of code words are the code words which are extracted from the C PUSCH (r) and meet the model
 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with the corresponding α k =j;
 
     or, half of code words that form the C PUCCH (r) are part of the code words selected from the code words in the A cases that u i =u ii  in the C PUSCH (r); the other half of code words are part of the code words selected from the C PUCCH (r). 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=3, all or part of the code words of the C PUSCH (r) meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  different 4-dimension vectors, for each u i  and u ii  combination (u i , u ii ), α k  is corresponding to 4 values of {1,−1, j,−j} respectively, then:
 
     the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being {1,−1};
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being {1, j};
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being {−1,−j};
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being 1;
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being −1.
 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=3, all or part of the code words of the C PUSCH (r) meet the model 
                     [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,           
wherein, the u i  and u ii  are different 4-dimension vectors, for each u i  and u ii  combination (u i , u ii ), α k  corresponds to 2 values of {1,−1} respectively, then:
 
     the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being 1;
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
                   [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]           
with the α k  being −1.
 
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=3, the C PUSCH (r) comprises an even number of code words, and half of even number of code words meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
and the other half meet
 
                   [           u   ii           u   ii           u   i                 α   k     ⁢     u   ii               -     α   k       ⁢     u   ii               α   k     ⁢     u   i             ]           
corresponding to the
 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, and α k  corresponds {1,−1, j,−j} to the subset of or {1,−1, j,−j}, then:
 
     the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
     
       
         
           
             
               [ 
               
                 
                   
                     
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                       i 
                     
                   
                   
                     
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     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
     
       
         
           
             
               [ 
               
                 
                   
                     
                       u 
                       ii 
                     
                   
                   
                     
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     or, half of code words that form C PUCCH (r) are part of the code words which are selected from the C PUSCH (r) and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
and the other half code words are the code words meeting the
 
                   [           u   ii           u   ii           u   i                 α   k     ⁢     u   ii               -     α   k       ⁢     u   ii               α   k     ⁢     u   i             ]           
corresponding to the
 
     
       
         
           
             
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                       u 
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             . 
           
         
       
     
     Optionally, the above-mentioned method also can have the following characteristics: 
     when r=4, all or part of the code words of the C PUSCH (r) meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, and for each u i  and u ii  combination (u i , u ii ), i=a and ii=b is equivalent to i=b and ii=a; for each combination (u i , u ii ), α k  corresponds to 2 values of respectively, then:
 
     the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
and α k  corresponds to 1;
 
     or, the code words that form the C PUCCH (r) are all or part of the code words which are selected from the C PUSCH (r) and meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
and α k  corresponds to j;
 
     or, half of code words that form the C PUCCH (r) are part of the code words which are selected from the C PUSCH (r) and meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
and α k  corresponds to 1; the other half of code words that form the C PUCCH (r) are part of the code words which are selected from the C PUSCH (r) and meet the model
 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
and α k  corresponds to j.
 
     Optionally, the above-mentioned method also can have the following characteristics: the codebook obtained after the conversion of exchanging the columns of the code words arbitrarily, multiplying by constant coefficient or exchanging the rows of all code words together has been performed for the C PUCCH (r) and the C PUSCH (r) is equivalent to the codebook before the conversion. 
     The present invention further provides a terminal, comprising: 
     a quantization unit, configured to quantize channel status information by using a codebook in long term evolution-advanced (LTE-A); and 
     a feedback unit, configured to feed back the channel status information through a physical uplink control channel; 
     wherein, the quantization module is configured as follows: 
     a code word contained in the used codebook C PUCCH (r) with layer number or rank being r is a subset of the code word contained in the codebook C PUSCH (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A; 
     the C PUCCH (r) is a single codebook or a single codebook equivalent to dual codebooks; and the C PUSCH (r) is a single codebook or a single codebook equivalent to dual codebooks; and 
     the single codebook equivalent to the dual codebooks means that the actually used codebook is an actually defined single codebook, however, 2 pre-coding matrix identifiers are required to determine the codebook of the code word therein for a certain r. 
     Optionally, when r=1 or 2, the C PUSCH (r) has repetitive code words, and the C PUCCH (r) does not have repetitive code words. 
     Optionally, the terminal further comprises: 
     a receiving module, configured to receive a high layer signaling sent by a base station and acquire what code words in the C PUSCH (r) compose the code word in the C PUCCH (r) from the high layer signaling. 
     Optionally, the codebook obtained after the conversion of exchanging the columns of the code words arbitrarily, multiplying by constant coefficient or exchanging the rows of all code words together has been performed for the C PUCCH (r) and the C PUSCH (r) is equivalent to the codebook before the conversion. 
     The present invention further provides another terminal, comprising: 
     a quantization unit, configured to quantize channel status information by using dual codebooks in long term evolution-advanced (LTE-A); and 
     a feedback unit, configured to feed back the channel status information through a physical uplink control channel; 
     wherein, the quantization module is configured as follows: code words in a used first sub codebook C PUCCH   1 (r) with layer number or rank being r are part of the code words in the first codebook C PUSCH   1 (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A, and/or, code words in a used second sub codebook C PUCCH   2 (r) with layer number or rank being r are part of the code words in the second codebook C PUSCH   2 (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A; 
     the C PUCCH (r) is a single codebook equivalent to codebooks C PUCCH   1 (r) and C PUCCH   2 (r); and the C PUCCH (r) is equivalent to a set formed by all new code words which can be indicated through one function F 1  by all code words in the codebook C PUCCH (r) and all code words of C PUCCH   2 (r) together; and 
     the C PUSCH (r) is a virtual single codebook equivalent to codebooks C PUSCH   1 (r) and C PUSCH   2 (r); and the C PUSCH (r) is equivalent to a set formed by all new code words which can be indicated through one function F 1  by all code words in the codebook C PUSCH   1 (r) and all code words of C PUSCH   2 (r) together. 
     Optionally, when r=1 or 2, the C PUSCH (r) has repetitive code words, and the C PUCCH (r) does not have repetitive code words. 
     Optionally, the terminal further comprises: 
     a receiving module, configured to receive a high layer signaling sent by a base station and acquire following information from the high layer signaling: 
     what code words in the C PUSCH (r) compose the code words in the C PUCCH (r); 
     or, what code words in the C PUSCH   1 (r) compose the code words in the C PUSCH   1 (r); 
     or, what code words in the C PUSCH   2 (r) compose the code words in the C PUCCH   2 (r); 
     or, what code words in the C PUSCH   1 (r) compose the code words in the C PUSCH   1 (r), and what code words in the C PUCCH   2 (r) compose the code words in the C PUSCH   2 (r). 
     Optionally, the codebook obtained after the conversion of exchanging the columns of the code words arbitrarily, multiplying by constant coefficient or exchanging the rows of all code words together has been performed for the C PUCCH (r) and the C PUSCH (r) is equivalent to the codebook before the conversion. 
     Through the above-mentioned scheme, it can ensure the precision of the PMI feedback under the limited overhead, make the CSI feedback on the PUCCH still be able to more effectively support the pre-coding technology and have good compatibility with the feedback on the PUSCH. 
    
    
     
       BRIEF DESCRIPTION OF DRAWINGS 
         FIG. 1  is a flowchart of a method for feeding back channel status information by a terminal in long term evolution-advanced (LTE-A) in accordance with an embodiment of the present invention; 
         FIG. 2  is a block diagram of a terminal communicated with a base station in accordance with an embodiment of the present invention. 
     
    
    
     PREFERRED EMBODIMENTS OF THE PRESENT INVENTION 
     The first problem concerned by the embodiment of the present invention is the problem brought by increasing the PMI 1  and the PMI 2  feedback overhead when the LTE-A uses the feedback with enhanced precision. The idea of the technology described in the following embodiments is applied to the case of the single codebook feedback and the case of the single codebook feedback equivalent to the dual codebooks, and also is applied to the case of dual codebooks. If it is the dual codebooks feedback, it can be also equivalently understood as the feedback case of the single codebook equivalent to the dual codebooks, which all belong to the range contained by the idea of the present invention. 
     The second problem concerned by the embodiment of the present invention is: the problem of the excessive overhead when the codebook corresponding to the PMI 1  and the RI are transmitted together or the problem of the excessive overhead when the PMI 2  and the CQI are transmitted. The concerned codebook is primarily directed to the codebook corresponding to the PMI 1  and/or the codebook corresponding to the PMI 2 . 
     The main idea of the embodiment of the present invention is, in the mode that the PM 1  and the PM 2  are fed back in an identical subframe/different subframes, the code words in the codebook C PUCCH  used by feeding back the channel status information on the physical uplink control channel (PUCCH) are formed by part of the code words selected from the overall codebook defined in the LTE-A, that is, the C PUCCH  is a subset of the C PUSCH . 
     The C PUCCH  and the C PUSCH  in the application of the dual codebooks are the codebooks corresponding to W. Other ones are similar to the idea of the embodiment of the present invention, the feature description regarding the codebooks corresponding to W 1  and W 2  can be regarded as an equivalent method contained by the present invention according to introduced content in background technology. 
     For example, the codebook C PUCCH   1  corresponding to the W 1  used by the PUCCH is a subset of the codebook C PUSCH   1  corresponding to the W 1  used by the PUSCH, and/or the codebook C PUCCH   2  corresponding to the W 2  used by the PUCCH is a subset of the codebook C PUSCH   2  corresponding to the W 2  used by the PUSCH. The description is included in the description that the C PUCCH  is a subset of the C PUSCH , which belongs to an equivalent method of the present invention. 
     The embodiment of the present invention provides a method for feeding back channel status information, wherein a terminal in long term evolution-advanced (LTE-A) quantizes the channel status information by using a codebook, and feeds back the channel status information through a physical uplink control channel; when the channel status information is fed back on the physical uplink control channel, code words contained in the used codebook C PUCCH (r) with the layer number or rank being r is a subset of the code words contained in the codebook C PUSCH (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A; 
     wherein, the C PUCCH (r) is a single codebook or a single codebook equivalent to dual codebooks; and the C PUSCH (r) is a single codebook or a single codebook equivalent to dual codebooks; and 
     the single codebook equivalent to the dual codebooks means that the actually used codebook is an actually defined single codebook, however, 2 pre-coding matrix identifiers are required to determine the codebook of the code words therein for a established r. 
     The embodiment of the present invention further provides a terminal, including: 
     a quantization unit, configured to quantize channel status information by using a codebook in long term evolution-advanced (LTE-A); and 
     a feedback unit, configured to feed back the channel status information through a physical uplink control channel; 
     wherein, the quantization module is configured as that: 
     code words contained in the used codebook C PUCCH (r) with the layer number or rank being r is a subset of the code words contained in the codebook C PUSCH (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A; 
     the C PUCCH (r) is a single codebook or a single codebook equivalent to dual codebooks; and the C PUSCH (r) is a single codebook or a single codebook equivalent to dual codebooks; and 
     the single codebook equivalent to the dual codebooks means that the actually used codebook is an actually defined single codebook, however, 2 pre-coding matrix identifiers are required to determine the codebook of the code words therein for an established r. 
     Optionally, when r=1 or 2, the C PUSCH (r) has repetitive code words, and the C PUCCH (r) does not have repetitive code words. 
     Optionally, the terminal further includes: 
     a receiving module, configured to receive a high layer signaling sent by a base station and obtain what code words in the C PUSCH (r) compose the code words in the C PUCCH (r) from the high layer signaling. 
     The embodiment of the present invention further provides another method for feeding back channel status information, comprising: a terminal in long term evolution-advanced (LTE-A) quantizing the channel status information by using a codebook, and feeding back the channel status information through a physical uplink control channel; wherein, 
     when the channel status information is fed back on the physical uplink control channel, code words in a used first sub codebook C PUCCH   1 (r) with the layer number or rank being r are part of the code words in the first codebook C PUSCH   1 (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A, and/or, code words in a used second sub codebook C PUCCH   2 (r) with the layer number or rank being r are part of the code words in the second codebook C PUSCH   2 (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A; 
     the C PUCCH (r) is a single codebook equivalent to codebooks C PUCCH   1 (r) and C PUCCH   2 (r); and the C PUCCH (r) is equivalent to a set formed by all new code words which can be indicated through one function F 1  by all code words in the codebook C PUCCH (r) and all code words of C PUCCH   2 (r) together; and 
     the C PUSCH (r) is a virtual single codebook equivalent to codebooks C PUSCH   1 (r) and C PUSCH   2 (r); and the C PUSCH  is equivalent to a set formed by all new code words which can be indicated through one function F 1  by all code words in the codebook C PUSCH   1 (r) and all code words of C PUSCH   2 (r) together. 
     The embodiment of the present invention further provides a terminal, including: 
     a quantization unit, configured to quantize channel status information by using dual codebooks in long term evolution-advanced (LTE-A); and 
     a feedback unit, configured to feed back the channel status information through a physical uplink control channel; 
     wherein, the quantization module is configured as that: code words in a used first sub codebook C PUCCH   1 (r) with the layer number or rank being r are part of the code words in the first codebook C PUSCH   1 (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A, and/or, code words in a used second sub codebook C PUCCH   2 (r) with the layer number or rank being r are part of the code words in the second codebook C PUSCH   2 (r) with the layer number or the rank being r in the overall codebook defined in the LTE-A; 
     the C PUCCH (r) is a single codebook equivalent to codebooks C PUCCH   1 (r) and C PUCCH   2 (r); and the C PUCCH (r) is equivalent to a set formed by all new code words which can be indicated through one function F 1  by all code words in the codebook C PUCCH (r) and all code words of C PUCCH   2 (r) together; and 
     the C PUSCH (r) is a virtual single codebook equivalent to codebooks C PUSCH   1 (r) and C PUSCH   2 (r); and the C PUSCH (r) is equivalent to a set formed by all new code words which can be indicated through one function F 1  by all code words in the codebook C PUSCH   1 (r) and all code words of C PUSCH   2 (r) together. 
     Optionally, when r=1 or 2, the C PUSCH (r) has repetitive code words, and the C PUCCH (r) does not have repetitive code words. 
     Optionally, the terminal further includes: 
     a receiving module, configured to receive a high layer signaling sent by a base station and obtain following information from the high layer signaling: 
     what code words in the C PUSCH (r) compose the code words in the C PUCCH (r); 
     or, what code words in the C PUSCH   1 (r) compose the code words in the C PUSCH   1 (r); 
     or, what code words in the C PUSCH   2 (r) compose the code words in the C PUCCH   2 (r); 
     or, what code words in the C PUSCH   1 (r) compose the code words in the C PUSCH   1 (r), and what code words in the C PUCCH   2 (r) compose the code words in the C PUSCH   2 (r). 
     The relationship of the C PUCCH  and the C PUSCH  can be determined by two ways: 
     Way 1: the Way of High Layer Signaling Notification 
     the system supports the self-defining of the C PUCCH , the base station notifies the terminal through the high layer signaling what code words of the C PUSCH  compose the C PUCCH . The high layer signaling can use the bitmap when notifying what code words of the C PUSCH  compose the C PUCCH . This way is very flexible and the C PUCCH  can be self-defined by the base station according to the present channel environment. 
     Way 2: the Way of Predefining 
     the way of predefining has different modes for each Rank and various kinds of different codebooks. 
     The code words in the C PUSCH  is designed mainly aiming at the bipolar channel and have more models and characteristics. The present invention provides a rule to select the most effective code word combination to form the C PUCCH  based on some C PUSCH  codebooks with the characteristics that can be described. 
     Method 1: 
     the dual codebooks are used to feed back the channel information W represented by two PMIs together, or a single code equivalent to the dual codebooks is used to feed back the channel information quantization value W matrix represented by two PMIs together, which has 2 B     1    kinds of values. Generally there is no repetitive code word matrix in various kinds of possible code word matrix cases represented by the single codebook, however, in the dual codebooks or in the single codebook equivalent to the dual codebooks feedback, there are repetitive code words in the W identified by different PMI 1  and PMI 2  combinations. The occurrence of repetitive code words is to solve some problems brought by the PMI 1  broadband feedback and the PMI 2  subband feedback and improve the system performance. But for the C PUCCH , the fed back information is mainly the broadband information, such as the PMI 1  of the broadband and the PMI 2  of the broadband, so there is no need to have repetitive code words in the single codebook equivalent to the dual codebooks used by the PUCCH, or the dual codebooks, and the codebooks represented virtually by the function F. The number of effective code words will be reduced if the repetitive code words exist, which cannot ensure the performance. 
     If the actual feedback mode of the C PUSCH  is the dual codebooks and dual PMIs feedback or the single codebook equivalent to the dual codebooks and dual PMIs feedback, and has the repetitive code words, then the single codebook or the dual codebooks defined in the C PUCCH  would not have the repetitive code words. That is, the C PUCCH  is the single codebook or the dual codebooks formed by the non-repetitive code words selected from the C PUSCH . 
     The C PUSCH  is the single codebook equivalent to the dual codebooks, or is the virtual single codebook equivalent to the dual codebooks. 
     Method 2 (the Method when Describing Rank1): 
     the dual codebooks is used to feed back the channel information W represented by two PMIs together, or a single code equivalent to the dual codebooks is used to feed back the channel information W represented by two PMIs together, which has various kinds of structure features, the C PUSCH  represents the overall codebook, and is the actually defined or virtually defined single codebook equivalent to the dual codebooks. The C PUCCH  represents the codebook used on the PUCCH, and is the actually defined or virtually defined single codebook equivalent to the dual codebooks. When the code words require to be extracted from the C PUSCH  codebook to form the code words in the C PUCCH  codebook, some code word combinations with more effective structure are selected from these structures. 
     For example, for Rank1 (that is, Rank=1, r=1): 
     all or part of the code words of the C PUSCH  Rank1 codebook meet the model 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
the u i  is one 4-dimension column vector, and i=1, 2, 3 . . . m, wherein, the value of m is a positive integer, k=1, 2, 3, 4, and α k  corresponds to 4 values of {1,−1, j,−j} respectively. α k =e jα(k−1)/2 ; for every u i , the C PUSCH (r) contains 4 code words
 
                   [           u   i               u   i           ]     ⁡     [           u   i               ju   i           ]       ⁡     [           u   i               -     u   i             ]       ⁡     [           u   i               -     ju   i             ]           
corresponding to the α k =e jπ(k−1)/2  wherein k=1, 2, 3, 4.
 
     A typical u i =τ[1 e jθ     i    e j2θ     i    e j3θ     i   ] T  (but not limited to this case), wherein, τ is a constant coefficient, and θ i ε[0,2π]. 
     For the case that the dual codebooks or the single codebook equivalent to the dual codebooks has no repetitive code words, u i  varies from each other; for the case that the dual codebooks or the single codebook equivalent to the dual codebooks has the repetitive code words, as to different values of i, and the u i  may be equal. 
     Whether it is the case that the dual codebooks or the single codebook equivalent to the dual codebooks has no repetitive code words or the case without the repetitive code words, for any value of i, at least 4 corresponding code words meeting the model 
                   [           u   i                 α   k     ⁢     u   i             ]           
in the C PUSCH  are:
 
               [           u   i                 α   1     ⁢     u   i             ]     ⁢           ⁢       …   ⁢           [           u   i                 α   4     ⁢     u   i             ]     .           
So when all code words meet the above-mentioned model in the C PUSCH , the single codebook equivalent to the dual codebooks is
 
                   ⋃     i   =   1       m     ⁢         ⋃     k   =   1       4     ⁢     {     [           u   i                 α   k     ⁢     u   i             ]     }         ,         
i=1, 2, 3 . . . m, that is to say, the C PUSCH  includes 4m code words:
 
     
       
         
           
             { 
             
               
                 [ 
                 
                   
                     
                       
                         u 
                         1 
                       
                     
                   
                   
                     
                       
                         
                           α 
                           1 
                         
                         ⁢ 
                         
                           u 
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                 ] 
               
               , 
               
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               , 
               
                 
                     
                   
                     
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                 . 
               
             
           
         
       
     
     If the C PUSCH  are the dual codebooks, specifically, there are many kinds of methods for splitting in the related about how to split W into W 1  and W 2  to correspond to two codebooks respectively. Two codebooks can correspond to different overheads respectively. A kind of extreme case is the case 5) mentioned in the above background technology. Now the W 1  or the W 2  even can be one fixed matrix, and the dual codebooks degenerate to the single codebook to feedback to combine one fixed matrix to represent the channel information together. 
     The present invention provides the following method for forming the C PUCCH : 
     2.1) the code words that form the C PUCCH  Rank1 codebook are all or part of the codes which are extracted from the C PUSCH  Rank1 codebook and meet the model 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
with the α k  being {1,−1}.
 
     Wherein, the C PUCCH  can be the single codebook or the dual codebooks; if it is the dual codebooks, specifically, how to split the W into W 1  and W 2  to be presented and correspond to two codebooks respectively can be determined according to the splitting method in the C PUSCH . 
     Corresponding, according to the above-mentioned method for forming the C PUCCH  by the C PUSCH  and the specific splitting of the W 1  and W 2 , the above-mentioned method for forming the C PUCCH  based on the C PUSCH  can be easily described as the method about how to extract the code words in the C PUCCH   1  and/or the C PUCCH   2  from the codebook C PUSCH   1  and/or C PUSCH   2 . These methods all belong to the range contained by the idea of the present invention. 
     2.2) the code words that form the C PUCCH  Rank1 codebook are all or part of the codes which are extracted from the C PUSCH  Rank1 codebook and meet the model 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
with the α k  being {j,−j}.
 
     Corresponding, according to the above-mentioned method for forming the C PUCCH  by the C PUSCH  and the specific splitting of the W 1  and W 2 , it can be easily described as the method how to extract the code words in the C PUCCH   1  and/or the C PUCCH   2  from the codebook C PUSCH   1  and/or C PUSCH   2 . These methods all belong to the range contained by the idea of the present invention. 
     2.3) part of the code words that form the C PUCCH  Rank1 codebook are part of the codes which are extracted from the C PUSCH  Rank1 codebook and meet the model 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
with the corresponding α k  being {1,−1}; other code words are part of the codes which are extracted from the C PUSCH  Rank1 codebook and meet the model
 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
with the corresponding α k  being {j,−j}.
 
     One special case is that: half of the code words that form the C PUCCH  Rank1 codebook are part of the codes which are extracted from the C PUSCH  Rank1 codebook and meet the model 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
with the corresponding α k  being {1,−1}; another half of the code words are part of the codes which are extracted from the C PUSCH  Rank1 codebook and meet the model
 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
with the corresponding α k  being {j,−j}.
 
     Optionally, for one u i , there are only 2 code words meeting the model 
                   [           u   i                 α   k     ⁢     u   i             ]           
corresponding to the u i  at most in the C PUCCH .
 
     The method cannot be described as how to extract the code words in the C PUCCH   1  and/or the C PUCCH   2  from the C PUSCH   1  and/or the C PUSCH   2  codebook, which is mainly applied for a specific transmission mode on the PUCCH, indicating the case that the code information of W is transmitted in a Report Type (here not including the information of the rank). 
     2.4) ¼ of the code words that form the C PUCCH  Rank1 codebook are part of the codes which are extracted from the C PUSCH  Rank1 codebook and meet the model 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
with the corresponding α k  being 1; ¼ of the code words are part of the codes which are extracted from the C PUSCH  Rank1 codebook and meet the model
 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
with the corresponding α k  being j; ¼ of the code words are part of the codes which are extracted from the C PUSCH  Rank1 codebook and meet the model
 
               [           u   i                 α   k     ⁢     u   i             ]     ,         
with the corresponding α k  being −1; and ¼ of the code words are part of the codes which are extracted from the C PUSCH  Rank1 codebook and meet the model
 
                     [           u   i                 α   k     ⁢     u   i             ]     ,           
with the corresponding α k  being −j.
 
     Optionally, for one u i , there are only 2 code words meeting the model 
                   [           u   i                 α   k     ⁢     u   i             ]           
corresponding to the u i  at most in the C PUCCH  Rank1 codebook.
 
     The method cannot be described as how to extract the code words in the C PUCCH   1  and/or the C PUCCH   2  from the C PUSCH   1  and/or the C PUSCH   2  codebook, which is mainly applied for a specific transmission mode on the PUCCH, indicating the case that the code information of W is transmitted in a Report Type (here not including the information of the rank). 
     2.5) there are 4n different code words in the C PUSCH  Rank1 codebook, noted as 
                 ⋃     i   =   1     n     ⁢       ⋃     k   =   1     4     ⁢     {     [           v   i                 α   k     ⁢     v   i             ]     }         ,         
wherein, v i =[1 e j2π(i−1)/N  e j4π(i−1)/N  e j6π(i−1)/N ] T , and i=1, 2, 3 . . . n, and N=16 or 32;
 
     the code words that form the C PUSCH  Rank1 codebook are all or part of the code words selected from 
     
       
         
           
             
               
                 ⋃ 
                 
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                   = 
                   1 
                 
                 
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             ; 
           
         
       
     
     or, the code words that form the C PUSCH  Rank1 codebook are all or part of the code words selected from 
     
       
         
           
             
               
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     or, the code words that form the C PUSCH  Rank1 codebook are all or part of the code words selected from 
     
       
         
           
             
               
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     or, the code words that form the C PUSCH  Rank1 codebook are all or part of the code words selected from 
     
       
         
           
             
               
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             ; 
           
         
       
     
     or, the code words that form the C PUSCH  Rank1 codebook are all or part of the code words selected from 
     
       
         
           
             
               
                 ⋃ 
                 
                   i 
                   = 
                   1 
                 
                 
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             ; 
           
         
       
     
     or, the code words that form the C PUSCH  Rank1 codebook are all or part of the code words selected from 
     
       
         
           
             
               ⋃ 
               
                 i 
                 = 
                 1 
               
               
                 n 
                 4 
               
             
             ⁢ 
             
               
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                   k 
                   = 
                   1 
                 
                 4 
               
               ⁢ 
               
                 
                   { 
                   
                     [ 
                     
                       
                         
                           
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                 . 
               
             
           
         
       
     
     Optionally, for a certain u i , there are only 2 code words meeting the model 
                   [           u   i                 α   k     ⁢     u   i             ]           
corresponding to the u i  at most in the C PUCCH  Rank1 codebook.
 
     Method 3 (the Method when Describing Rank2): 
     the dual codebooks are used to feed back the channel information W represented by two PMIs together, or a single code equivalent to the dual codebooks is used to feed back the channel information W represented by two PMIs together, which has various kinds of structure features, the C PUSCH  represents the overall codebook, and is the actually defined or virtually defined single codebook equivalent to the dual codebooks. The C PUCCH  represents the codebook used on the PUCCH, and is the actually defined or virtually defined single codebook equivalent to the dual codebooks. When it is required to extract the code words from the C PUSCH  codebook to form the code words in the C PUCCH  codebook, some code word combinations with more effective structure are selected from these structures. 
     For example, for Rank2 (that is, Rank=2): 
     the code words of the C PUSCH  Rank2 codebook meet the model 
                     [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]     ,           
the u i  and u ii  are same or different 4-dimension vectors, the C PUSCH  has A cases that u i =u ii  and B cases that u i ≠u ii , both A and B are positive integers, B can be 0 and A is not 0. For the case of u i =u ii ,
 
                         [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]             
is equivalent to
 
                     [           u   i           u   i                 α   k     ⁢     u   i               -     α   k       ⁢     u   i             ]     ,           
each α k  corresponding to u i (u i =u ii ) has 2 values {1, j}, that is to say, A is a multiple of 2. For the case that u i  is not equal to u ii , α k  has 2 values {1, j} or α k  only has the value 1 for each combination case of (u i , u ii ). For the case that u i  is not equal to u ii , (u i , u ii ) and (u ii , u i ) are different combinations (case 1 of the Rank2 C PUSCH ).
 
     When the C PUSCH  Rank2 codebook meets the above conditions, the present invention provides the following method for forming the C PUCCH : 
     3.1) the code words that form the C PUSCH  Rank2 codebook are all or part of the code words selected from the code words in the A cases that u i =u ii  in the C PUSCH  Rank2 codebook. 
     3.2) the code words that form the C PUSCH  Rank2 codebook are part of the code words which meet model 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
in the C PUSCH  Rank2 codebook with the corresponding α k =1.
 
     Optionally, the code words that form the C PUSCH  Rank2 codebook can be part of the code words which meet model 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with u i =u ii  and α k =1 in the C PUSCH  Rank2 codebook.
 
     3.3) part of the code words that form the C PUSCH  Rank2 codebook are code words which are extracted from the C PUSCH  Rank2 codebook and meet the model 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with the corresponding α k =1; and other code words are code words which are extracted from the C PUSCH  Rank2 codebook and meet the model
 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with the corresponding α k =j;
 
     one special case is that: half of the code words of the C PUSCH  Rank2 codebook are code words which are extracted from the C PUSCH  Rank2 codebook and meet the model 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with the corresponding α k =1; and another half of the code words are code words which are extracted from the C PUSCH  Rank2 codebook and meet the model
 
                   [           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   ii             ]           
with the corresponding α k =j;
 
     or, half of the code words that form the C PUSCH  Rank2 codebook are part of the code words selected from the code words in the A cases that u i =u ii  in the C PUSCH (r); another half of the code words are part of the code words selected from the C PUSCH  Rank2 codebook. 
     Method 4 (the Method when Describing Rank3): 
     the dual codebooks are used to feed back the channel information W represented by two PMIs together, or a single code equivalent to the dual codebooks is used to feed back the channel information W represented by two PMIs together, which has various kinds of structure features, the C PUSCH  represents the overall codebook, and is the actually defined or virtually defined single codebook equivalent to the dual codebooks. The C PUCCH  represents the codebook used on the PUCCH, and is the actually defined or virtually defined single codebook equivalent to the dual codebooks. When it is required to extract the code words from the C PUSCH  codebook to form the code word in the C PUCCH  codebook, some code word combinations with more effective structure are selected from these structures. 
     For example, for Rank3 (that is, Rank=3): 
     4.1) all or part of the code words of the C PUSCH  Rank3 codebook meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, for each u i  and u ii  combination (u i , u ii ), α k  corresponds to 4 values of {1,−1, j−j} respectively. It is noted that here it will occur that i=a, ii=b and i==b, ii=a are unequal, that is, (u i , u ii ) and (u ii , u i ) are different combinations.
 
     The present invention provides the following method for forming the C PUCCH : 
     4.11) the code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being {1,−1}.
 
     4.12) the code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being {1, j}.
 
     4.13) the code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being {−1,−j}.
 
     4.14) the code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being 1.
 
     4.15) the code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being −1.
 
     4.2) all or part of the code words of the C PUSCH  Rank3 codebook meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, for each u i  and u ii  combination (u i , u ii ), α k  corresponds to 2 values of {1,−1} respectively.
 
     The code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being 1.
 
     The code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being −1.
 
     4.3) all or part of the code words of the C PUSCH  Rank3 codebook meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, for each u i  and u ii  combination (u i , u ii ), α k  corresponds to 2 values of {1, j} respectively.
 
     The code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being 1.
 
     The code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being j.
 
     4.4) all or part of the code words of the C PUSCH  Rank3 codebook meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, for each u i  and u ii  combination (u i , u ii ), α k  corresponds to 2 values of {−1,−j} respectively.
 
     The code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being −1;
 
     4.5) all or part of the code words of the C PUSCH  Rank3 codebook meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, for each u i  and u ii  combination (u i , u ii ), α k  corresponds to 2 values of {1,−j} respectively.
 
     The code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being 1;
 
     The code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being −j.
 
     4.6) all or part of the code words of the C PUSCH  Rank3 codebook meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, for each u i  and u ii  combination (u i , u ii ), α k  corresponds to 2 values of {−1, j} respectively.
 
     The code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being −1;
 
     The code words that form the C PUSCH  Rank3 codebook are all or part of code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
with the α k  being j.
 
     4.7) the C PUSCH  Rank3 codebook includes even number of code words, and half of even number of code words meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
and another half meet
 
                   [           u   ii           u   ii           u   i                 α   k     ⁢     u   ii               -     α   k       ⁢     u   ii               α   k     ⁢     u   i             ]           
corresponding to the
 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, and α k  corresponds to {1,−1, j−j} or a subset of {1,−1, j−j}, that is to say, for the combination of u i  and u ii , at least two code words
 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ⁢           ⁢     and   ⁢           [           u   ii           u   ii           u   i                 α   k     ⁢     u   ii               -     α   k       ⁢     u   ii               α   k     ⁢     u   i             ]           
correspond with the combination.
 
     the code words that form the C PUSCH  Rank3 codebook are all or part of the code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
     
       
         
           
             
               [ 
               
                 
                   
                     
                       u 
                       i 
                     
                   
                   
                     
                       u 
                       i 
                     
                   
                   
                     
                       u 
                       ii 
                     
                   
                 
                 
                   
                     
                       
                         α 
                         k 
                       
                       ⁢ 
                       
                         u 
                         i 
                       
                     
                   
                   
                     
                       
                         - 
                         
                           α 
                           k 
                         
                       
                       ⁢ 
                       
                         u 
                         i 
                       
                     
                   
                   
                     
                       
                         α 
                         k 
                       
                       ⁢ 
                       
                         u 
                         ii 
                       
                     
                   
                 
               
               ] 
             
             ; 
           
         
       
     
     or, the code words that form the C PUSCH  Rank3 codebook are all or part of the code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 [ 
                 
                   
                     
                       
                         u 
                         ii 
                       
                     
                     
                       
                         u 
                         ii 
                       
                     
                     
                       
                         u 
                         i 
                       
                     
                   
                   
                     
                       
                         
                           α 
                           k 
                         
                         ⁢ 
                         
                           u 
                           ii 
                         
                       
                     
                     
                       
                         
                           - 
                           
                             α 
                             k 
                           
                         
                         ⁢ 
                         
                           u 
                           ii 
                         
                       
                     
                     
                       
                         
                           α 
                           k 
                         
                         ⁢ 
                         
                           u 
                           i 
                         
                       
                     
                   
                 
                 ] 
               
               ; 
             
           
         
       
     
     or, half of the code words that form the C PUSCH  Rank3 codebook are part of the code words which are selected from the C PUSCH  Rank3 codebook and meet the model 
               [           u   i           u   i           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii             ]     ,         
and another half of the code words are the code words meeting the
 
                   [           u   ii           u   ii           u   i                 α   k     ⁢     u   ii               -     α   k       ⁢     u   ii               α   k     ⁢     u   i             ]           
corresponding to the
 
     
       
         
           
             
               [ 
               
                 
                   
                     
                       u 
                       i 
                     
                   
                   
                     
                       u 
                       i 
                     
                   
                   
                     
                       u 
                       ii 
                     
                   
                 
                 
                   
                     
                       
                         α 
                         k 
                       
                       ⁢ 
                       
                         u 
                         i 
                       
                     
                   
                   
                     
                       
                         - 
                         
                           α 
                           k 
                         
                       
                       ⁢ 
                       
                         u 
                         i 
                       
                     
                   
                   
                     
                       
                         α 
                         k 
                       
                       ⁢ 
                       
                         u 
                         ii 
                       
                     
                   
                 
               
               ] 
             
             . 
           
         
       
     
     Method 5 (the Method when Describing Rank4): 
     the dual codebooks are used to feed back the channel information W represented by two PMIs together, or a single code equivalent to the dual codebooks is used to feed back the channel information W represented by two PMIs together, which has various kinds of structure features, the C PUSCH  represents the overall codebook, and is the actually defined or virtually defined single codebook equivalent to the dual codebooks. The C PUCCH  represents the codebook used on the PUCCH, and is the actually defined or virtually defined single codebook equivalent to the dual codebooks. When it is required to extract the code words from the C PUSCH , codebook to form the code words in the C PUCCH  codebook, some code word combinations with more effective structure are selected from these structures. 
     For example, for Rank4 (that is, Rank=4): 
     all or part of the code words of the C PUSCH  Rank4 codebook meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
wherein, the u i  and u ii  are different 4-dimension vectors, and for each u i  and u ii  combination (u i , u ii ), i=a and ii=b is equivalent to i=b and ii=a; for each combination (u i , u ii ), α k  corresponds to 2 values of {1,−1} respectively.
 
     The code words that form the C PUSCH  Rank4 codebook are all or part of the code words which are selected from the C PUSCH  Rank4 codebook and meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
with the corresponding α k  being 1;
 
     or, the code words that form the C PUSCH  Rank4 codebook are all or part of the code words which are selected from the C PUSCH  Rank4 codebook and meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
with the corresponding α k  being j;
 
     or, half of the code words that form the C PUSCH  Rank4 codebook are part of the code words which are selected from the C PUSCH  Rank4 codebook and meet the model 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
with the corresponding α k  being 1; another half of the code words that form the C PUSCH  Rank4 codebook are part of the code words which are selected from the C PUSCH  Rank4 codebook and meet the model
 
               [           u   i           u   i           u   ii           u   ii                 α   k     ⁢     u   i               -     α   k       ⁢     u   i               α   k     ⁢     u   ii               -     α   k       ⁢     u   ii             ]     ,         
with the corresponding α k  being j.
 
     If the code words in the C PUSCH  meet the model in each above-mentioned method after finishing the equivalence transformation (exchanging the columns, or multiplying by constant coefficient, or exchanging the rows of all code words together), the C PUCCH  can be formed according to the similar method provided in method 2 to method 5. The code words in the C PUCCH  also have the corresponding equivalence transformation format. 
     The present invention is described in detail through embodiments hereinafter. 
     Embodiment 1 
     a high layer signaling bitmap defines the C PUCCH . 
     Forming C PUCCH  can be implemented through the following methods: 
     M bits are used, each bit corresponding to a code word in the C PUSCH , the base station sets that bit as 0 to represent that the code word is not selected, and sets the bit as 1 to represent to select that code word as the code word of the C PUSCH . 
     The base station sends these M bits to the UE through the high layer signaling, to determine the code words in the C PUCCH . 
     Also, for the structure aiming at the dual codebooks, the base station sends the M bits to the UE through the high layer signaling, wherein: 
     the M 1  bits in the M bits correspond to the M 1  code words in the codebook C PUSCH   1 , for each bit in the M 1  bits, the base station sets that bit as 0 to represent that the code word is not selected, and sets the bit as 1 to represent to select that code word as the code word of the C PUCCH   1 : 
     the M 2  bits in the M bits correspond to the M 1  code words in the codebook C PUSCH   2 , for each bit in the M 2  bits, the base station sets that bit as 0 to represent that the code word is not selected, and sets that bit as 1 to represent to select that code word as the code word of the C PUCCH   1 . 
     Also, for the structure aiming at the dual codebooks, and the base station sends these M bits to the UE through the high layer signaling, which correspond to the M code words in the codebook C PUSCH   1 . For each bit, the base station sets that bit as 0 to represents that the code word corresponding to that bit is not selected, and sets that bit as 1 to represent to select that code word corresponding to that bit as the code word of the C PUCCH   1 . All code words in the C PUSCH   2  are used as the code words of the C PUCCH   2 . 
     Also, for the structure aiming at the dual codebooks, and the base station sends these M bits to the UE through the high layer signaling, which correspond to the M code words in the codebook C PUSCH   2 . For each bit, the base station sets that bit as 0 to represent that the code word corresponding to that bit is not selected, and sets that bit as 1 to represent to select that code word corresponding to that bit as the code word of the C PUCCH   2 . All code words in the C PUSCH   1  are used as the code words of the C PUCCH   1 . 
     Embodiment 2 
     the C PUCCH  is formed by extracting code words from the Rank1 codebook of the C PUSCH . 
     For example, one kind of dual codebooks used by the PUSCH is that: 
     C PUSCH   1  (the codebook corresponding to W 1 ) is formed by m 1  code words W 1   (k) ; 
     
       
         
           
             
               X 
               
                 ( 
                 k 
                 ) 
               
             
             ∈ 
             
               { 
               
                 
                   
                     
                       [ 
                       
                           
                       
                       ⁢ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         N 
                                         b 
                                       
                                       2 
                                     
                                     ⁢ 
                                     k 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         
                                           N 
                                           b 
                                         
                                         2 
                                       
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     1 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                           
                             … 
                           
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         
                                           N 
                                           b 
                                         
                                         2 
                                       
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     
                                       N 
                                       b 
                                     
                                     - 
                                     1 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                         
                       
                       ] 
                     
                     : 
                     
                       
 
                     
                     ⁢ 
                     k 
                   
                   = 
                   0 
                 
                 , 
                 1 
                 , 
                 … 
                 ⁢ 
                 
                     
                 
                 , 
                 
                   
                     m 
                     1 
                   
                   - 
                   1 
                 
               
               } 
             
           
         
       
       
         
           
             
               
                 W 
                 1 
                 
                   ( 
                   k 
                   ) 
                 
               
               = 
               
                 [ 
                 
                   
                     
                       
                         X 
                         
                           ( 
                           k 
                           ) 
                         
                       
                     
                     
                       0 
                     
                   
                   
                     
                       0 
                     
                     
                       
                         X 
                         
                           ( 
                           k 
                           ) 
                         
                       
                     
                   
                 
                 ] 
               
             
             , 
             
                 
             
             ⁢ 
             
               
                 C 
                 1 
               
               = 
               
                 { 
                 
                   
                     W 
                     1 
                     
                       ( 
                       0 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       1 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       2 
                       ) 
                     
                   
                   , 
                   … 
                   ⁢ 
                   
                       
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       
                         
                           2 
                           ⁢ 
                           
                               
                           
                           ⁢ 
                           
                             N 
                             / 
                             
                               N 
                               b 
                             
                           
                         
                         - 
                         1 
                       
                       ) 
                     
                   
                 
                 } 
               
             
           
         
       
     
                 m   1     =       2   ⁢           ⁢   N       N   b         ,         
and N b  is the number of columns of the matrix X (k) , b i  is a vector, for example, it typically is the DFT vector (but not limited to this case), there are n basic vectors b 0 ˜b N-1  altogether; if b i  are DPT vectors varying from each other, described as:
 
     
       
         
           
             
               B 
               = 
               
                 [ 
                 
                   
                     
                       
                         b 
                         0 
                       
                     
                     
                       
                         b 
                         1 
                       
                     
                     
                       … 
                     
                     
                       
                         b 
                         
                           N 
                           - 
                           1 
                         
                       
                     
                   
                 
                 ] 
               
             
             , 
             
                 
             
             ⁢ 
             
               
                 
                   [ 
                   B 
                   ] 
                 
                 
                   
                     1 
                     + 
                     m 
                   
                   , 
                   
                     1 
                     + 
                     n 
                   
                 
               
               = 
               
                 ⅇ 
                 
                   j 
                   ⁢ 
                   
                     
                       2 
                       ⁢ 
                       π 
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       mn 
                     
                     N 
                   
                 
               
             
             , 
             
               
 
             
             ⁢ 
             
               m 
               = 
               0 
             
             , 
             1 
             , 
             … 
             ⁢ 
             
                 
             
             , 
             
               
                 
                   
                     N 
                     tx 
                   
                   2 
                 
                 - 
                 
                   1 
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   n 
                 
               
               = 
               0 
             
             , 
             1 
             , 
             … 
             ⁢ 
             
                 
             
             , 
             
               N 
               - 
               1 
             
           
         
       
     
     N tx  is a parameter related to the vector dimension, and usually indicates the number of the transmitting antennas. N is 2 to the power of an integer. 
     Supposing N tx =8, N b =4 and N=32, then the 
             16   ⁢     (       m   1     =         2   ⁢           ⁢   N       N   b       =   16       )           
code words contained in the C PUSCH   1  are:
 
     
       
         
           
             
               
                 W 
                 1 
                 
                   ( 
                   k 
                   ) 
                 
               
               = 
               
                 [ 
                 
                   
                     
                       
                         X 
                         
                           ( 
                           k 
                           ) 
                         
                       
                     
                     
                       0 
                     
                   
                   
                     
                       0 
                     
                     
                       
                         X 
                         
                           ( 
                           k 
                           ) 
                         
                       
                     
                   
                 
                 ] 
               
             
             , 
             
                 
             
             ⁢ 
             
               
                 C 
                 1 
               
               = 
               
                 { 
                 
                   
                     W 
                     1 
                     
                       ( 
                       0 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       1 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       2 
                       ) 
                     
                   
                   , 
                   … 
                   ⁢ 
                   
                       
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       15 
                       ) 
                     
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 0 
                 ) 
               
             
             = 
             
               
                 
                   [ 
                   
                     
                       
                         
                           b 
                           0 
                         
                       
                       
                         
                           b 
                           1 
                         
                       
                       
                         … 
                       
                       
                         
                           b 
                           3 
                         
                       
                     
                   
                   ] 
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   X 
                   
                     ( 
                     1 
                     ) 
                   
                 
               
               = 
               
                 [ 
                 
                   
                     
                       
                         b 
                         2 
                       
                     
                     
                       
                         b 
                         3 
                       
                     
                     
                       … 
                     
                     
                       
                         b 
                         5 
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 2 
                 ) 
               
             
             = 
             
               
                 
                   [ 
                   
                     
                       
                         
                           b 
                           4 
                         
                       
                       
                         
                           b 
                           5 
                         
                       
                       
                         … 
                       
                       
                         
                           b 
                           7 
                         
                       
                     
                   
                   ] 
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 … 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   X 
                   
                     ( 
                     14 
                     ) 
                   
                 
               
               = 
               
                 [ 
                 
                   
                     
                       
                         b 
                         28 
                       
                     
                     
                       
                         b 
                         29 
                       
                     
                     
                       … 
                     
                     
                       
                         b 
                         31 
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 X 
                 
                   ( 
                   15 
                   ) 
                 
               
               = 
               
                 [ 
                 
                   
                     
                       
                         b 
                         30 
                       
                     
                     
                       
                         b 
                         31 
                       
                     
                     
                       
                         b 
                         1 
                       
                     
                     
                       
                         b 
                         2 
                       
                     
                   
                 
                 ] 
               
             
             ; 
           
         
       
     
     C PUSCH   2  (the codebook corresponding to W 2 ) is formed by m 2  code words, for example when it is of Rank1, it contains: 
     
       
         
           
             
               C 
               PUSCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           Y 
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           jY 
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           
                             - 
                             Y 
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           
                             - 
                             jY 
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             Y 
             ∈ 
             
               { 
               
                 
                   
                     e 
                     ~ 
                   
                   1 
                 
                 , 
                 
                   
                     e 
                     ~ 
                   
                   2 
                 
                 , 
                 
                   
                     e 
                     ~ 
                   
                   3 
                 
                 , 
                 
                   … 
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     
                       e 
                       ~ 
                     
                     
                       
                         m 
                         2 
                       
                       / 
                       4 
                     
                   
                 
               
               } 
             
           
         
       
     
     m 2  equals to 4N b  generally, {tilde over (e)} i  is a vector of 
                   N   tx     2     ×   1     ,         
the i th  element is 1, and other elements are 0, which actually is one column-selected vector, when the code words in W 1   (k)  and C PUSCH   2  multiply, it can be understood that the columns of the X (k)  are selected to form the code words in the codebook corresponding to W.
 
     The equivalent C PUSCH  (the codebook corresponding to W) contains the code word obtained by any code word in the C PUSCH   1  pre-multiplying any code word in the C PUSCH   2 , that is, there are m 1 ×m 2  code words. In this case, the specific codebook C PUCCH  of the PUCCH formed by extracting the code word in the codebook C PUSCH  of the PUSCH can be: 
     Extracting part or all code words of the code words W 1   (0)  W 1   (2)  W 1   (4)  W 1   (6)  . . . W 1   (14)  with the Index being even from the C PUSCH   1 , or extracting part or all code words of the code words W 1   (1)  W 1   (3)  W 1   (5)  W 1   (7)  . . . W 1   (15)  with the Index being odd to form the C PUCCH   1 . The method for extracting code words from C PUSCH   2  to form C PUCCH   2  can be an arbitrary one. 
     The idea of this method is that there could be some repetitions in the C PUSCH  itself. For example, the combination of the 
               W   1     (   0   )       =     [             b   0     ⁢           ⁢     b   1     ⁢           ⁢   …   ⁢           ⁢     b   3           0           0           b   0     ⁢           ⁢     b   1     ⁢           ⁢   …   ⁢           ⁢     b   3             ]           
and the
 
               1     2       ⁡     [             e   ~     3                 e   ~     3           ]           
is equivalent to the combination of the
 
               W   1     (   1   )       =     [             b   2     ⁢           ⁢     b   3     ⁢           ⁢   …   ⁢           ⁢     b   5           0           0           b   2     ⁢           ⁢     b   3     ⁢           ⁢   …   ⁢           ⁢     b   5             ]           
and the
 
                 1     2       ⁡     [             e   ~     1                 e   ~     1           ]       .         
There are not repetitive code words in the C PUCCH  through the method of extracting described in the present invention.
 
     The cases of N tx =8, N b =4, N=16 or 8 are similar to this, and will not be described in detail. 
     The present embodiment can be extended to the case of Rank2, and extracting part or all code words of the code words W 1   (0)  W 1   (2)  W 1   (4)  W 1   (6)  . . . W 1   (14)  with the Index being even or the code words W 1   (1)  W 1   (3)  W 1   (5)  W 1   (7)  . . . W 1   (15)  with the Index being odd to from the C PUSCH   1 , to form the C PUCCH   1 . The method for extracting the code words from the C PUSCH   2  of Rank2 to form the C PUCCH   2  can be an arbitrary one. 
     The transformed codebook obtained after exchanging the columns or multiplying by constant coefficient or exchanging the rows of all code words together for the C PUSCH   1  and/or the C PUSCH   2  also can use the extracting method described in the present embodiment; or, the transformed codebook obtained after exchanging the columns or multiplying by constant coefficient or exchanging the rows of all code words together for the C PUSCH  also can use the extracting method described in the present embodiment. The code words in the C PUCCH , C PUCCH   1  and C PUCCH   2  also have the corresponding equivalent transformation representing format. 
     Embodiment 3 
     the C PUCCH  is formed by extracting code words from the Rank 1 codebook of the C PUSCH . 
     For example, one kind of dual codebooks used by the PUSCH is that: 
     C PUSCH   1  (the codebook corresponding to W 1 ) is formed by m 1  code words W 1   (k) ; 
     
       
         
           
             
               X 
               
                 ( 
                 k 
                 ) 
               
             
             ∈ 
             
               { 
               
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         N 
                                         b 
                                       
                                       2 
                                     
                                     ⁢ 
                                     k 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         
                                           N 
                                           b 
                                         
                                         2 
                                       
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     1 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                           
                             … 
                           
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         
                                           N 
                                           b 
                                         
                                         2 
                                       
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     
                                       N 
                                       b 
                                     
                                     - 
                                     1 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                         
                       
                       ] 
                     
                     : 
                     k 
                   
                   = 
                   0 
                 
                 , 
                 1 
                 , 
                 … 
                 ⁢ 
                 
                     
                 
                 , 
                 
                   
                     m 
                     1 
                   
                   - 
                   1 
                 
               
               } 
             
           
         
       
       
         
           
             
                 
             
             ⁢ 
             
               
                 
                   W 
                   1 
                   
                     ( 
                     k 
                     ) 
                   
                 
                 = 
                 
                   [ 
                   
                     
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                       
                         0 
                       
                     
                     
                       
                         0 
                       
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                     
                   
                   ] 
                 
               
               , 
               
                 
 
               
               ⁢ 
               
                   
               
               ⁢ 
               
                 
                   C 
                   1 
                 
                 = 
                 
                   { 
                   
                     
                       W 
                       1 
                       
                         ( 
                         0 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         1 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         2 
                         ) 
                       
                     
                     , 
                     … 
                     ⁢ 
                     
                         
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         
                           
                             2 
                             ⁢ 
                             
                               N 
                               / 
                               
                                 N 
                                 b 
                               
                             
                           
                           - 
                           1 
                         
                         ) 
                       
                     
                   
                   } 
                 
               
             
           
         
       
     
     Wherein 
                 m   1     =       2   ⁢   N       N   b         ,         
and N b  is the number of columns of the matrix X (k) , b i  is a vector, for example, it typically is the DFT vector (but not limited to this case), there are n basic vectors b 0 ˜b N-1  altogether, described as:
 
     
       
         
           
             
               B 
               = 
               
                 [ 
                 
                   
                     
                       
                         b 
                         0 
                       
                     
                     
                       
                         b 
                         1 
                       
                     
                     
                       … 
                     
                     
                       
                         b 
                         
                           N 
                           - 
                           1 
                         
                       
                     
                   
                 
                 ] 
               
             
             , 
             
               
 
             
             ⁢ 
             
               
                 
                   [ 
                   B 
                   ] 
                 
                 
                   
                     1 
                     + 
                     m 
                   
                   , 
                   
                     1 
                     + 
                     n 
                   
                 
               
               = 
               
                 ⅇ 
                 
                   j 
                   ⁢ 
                   
                     
                       2 
                       ⁢ 
                       π 
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       mn 
                     
                     N 
                   
                 
               
             
             , 
             
               
 
             
             ⁢ 
             
               m 
               = 
               0 
             
             , 
             1 
             , 
             … 
             ⁢ 
             
                 
             
             , 
             
               
                 
                   N 
                   tx 
                 
                 2 
               
               - 
               1 
             
           
         
       
       
         
           
             
               n 
               = 
               0 
             
             , 
             1 
             , 
             … 
             ⁢ 
             
                 
             
             , 
             
               N 
               - 
               1 
             
           
         
       
     
     Wherein, N tx  is a parameter related to the vector dimension, and usually indicates the number of the transmitting antennas. N is 2 to the power of an integer. 
     Supposing N tx =8, N b =4 and N=32, then the 16 code words contained in the C PUSCH   1  are: 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 
                   W 
                   1 
                   
                     ( 
                     k 
                     ) 
                   
                 
                 = 
                 
                   [ 
                   
                     
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                       
                         0 
                       
                     
                     
                       
                         0 
                       
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                     
                   
                   ] 
                 
               
               , 
               
                 
 
               
               ⁢ 
               
                   
               
               ⁢ 
               
                 
                   C 
                   - 
                   1 
                 
                 = 
                 
                   { 
                   
                     
                       W 
                       1 
                       
                         ( 
                         0 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         1 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         2 
                         ) 
                       
                     
                     , 
                     … 
                     ⁢ 
                     
                         
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         15 
                         ) 
                       
                     
                   
                   } 
                 
               
             
           
         
       
       
         
           
             
               
                 X 
                 
                   ( 
                   0 
                   ) 
                 
               
               = 
               
                 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             0 
                           
                         
                         
                           
                             b 
                             1 
                           
                         
                         
                           … 
                         
                         
                           
                             b 
                             3 
                           
                         
                       
                     
                     ] 
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     X 
                     
                       ( 
                       1 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               2 
                             
                           
                           
                             
                               b 
                               3 
                             
                           
                           
                             … 
                           
                           
                             
                               b 
                               5 
                             
                           
                         
                       
                       ] 
                     
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       X 
                       
                         ( 
                         2 
                         ) 
                       
                     
                   
                   = 
                   
                     
                       
                         [ 
                         
                           
                             
                               
                                 b 
                                 4 
                               
                             
                             
                               
                                 b 
                                 5 
                               
                             
                             
                               … 
                             
                             
                               
                                 b 
                                 7 
                               
                             
                           
                         
                         ] 
                       
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       … 
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       … 
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       
                         X 
                         
                           ( 
                           14 
                           ) 
                         
                       
                     
                     = 
                     
                       
                         
                           [ 
                           
                             
                               
                                 
                                   b 
                                   28 
                                 
                               
                               
                                 
                                   b 
                                   29 
                                 
                               
                               
                                 … 
                               
                               
                                 
                                   b 
                                   31 
                                 
                               
                             
                           
                           ] 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           X 
                           
                             ( 
                             15 
                             ) 
                           
                         
                       
                       = 
                       
                         [ 
                         
                           
                             
                               
                                 b 
                                 30 
                               
                             
                             
                               
                                 b 
                                 31 
                               
                             
                             
                               
                                 b 
                                 1 
                               
                             
                             
                               
                                 b 
                                 2 
                               
                             
                           
                         
                         ] 
                       
                     
                   
                 
               
             
             ; 
           
         
       
     
     C PUSCH   2  (the codebook corresponding to W 2 ) is formed by m 2  code words, for example, for Rank1, it contains: 
     
       
         
           
             
               C 
               PUSCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           Y 
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             Y 
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           
                             - 
                             Y 
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             Y 
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             Y 
             ∈ 
             
               { 
               
                 
                   
                     e 
                     ~ 
                   
                   1 
                 
                 , 
                 
                   
                     e 
                     ~ 
                   
                   2 
                 
                 , 
                 
                   
                     e 
                     ~ 
                   
                   3 
                 
                 , 
                 
                   … 
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     
                       e 
                       ~ 
                     
                     
                       
                         m 
                         2 
                       
                       / 
                       4 
                     
                   
                 
               
               } 
             
           
         
       
     
     m 2  equals to 4N b  generally, {tilde over (e)} i  is a vector of 
                   N   tx     2     ×   1     ,         
the i th  element is 1, and other elements are 0, which actually is one column-selected vector, when the code words in W 1   (k)  and C PUSCH   2  multiply, it can be understood that the columns of the X (k)  are selected to form the code words in the codebook corresponding to W. And also it can be the case of N=16 or 8, and the following methods are applied to the cases of various N values.
 
     The equivalent C PUSCH  (the codebook corresponding to W) contains the code words obtained by any code word in the C PUSCH   1  pre-multiplying any code word in the C PUSCH   2 , that is, there are m 1 ×m 2  code words. 
     In this case, the specific codebook C PUCCH  of the PUCCH formed by extracting the code words in the codebook C PUSCH  of the PUSCH can be: 
     The method for extracting code words from C PUSCH   1  to form the C PUCCH   1  can be arbitrary. 
     Extracting the code words from the C PUSCH   2  to form the C PUCCH   2  can be: 
     
       
         
           
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 
                   
                     { 
                     
                       
                         1 
                         
                           2 
                         
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               Y 
                             
                           
                           
                             
                               Y 
                             
                           
                         
                         ] 
                       
                     
                     } 
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   and 
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   Y 
                 
                 ∈ 
                 
                   { 
                   
                     
                       
                         e 
                         ~ 
                       
                       1 
                     
                     , 
                     
                       
                         e 
                         ~ 
                       
                       2 
                     
                     , 
                     
                       
                         e 
                         ~ 
                       
                       3 
                     
                     , 
                     
                       … 
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       
                         
                           e 
                           ~ 
                         
                         
                           
                             m 
                             2 
                           
                           / 
                           4 
                         
                       
                     
                   
                   } 
                 
               
             
             ; 
           
         
       
     
     or 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               
                 
                   { 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             Y 
                           
                         
                         
                           
                             
                               - 
                               Y 
                             
                           
                         
                       
                       ] 
                     
                   
                   } 
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 and 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 Y 
               
               ∈ 
               
                 { 
                 
                   
                     
                       e 
                       ~ 
                     
                     1 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     2 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     3 
                   
                   , 
                   
                     … 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       
                         e 
                         ~ 
                       
                       
                         
                           m 
                           2 
                         
                         / 
                         4 
                       
                     
                   
                 
                 } 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               
                 
                   { 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             Y 
                           
                         
                         
                           
                             
                               j 
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               Y 
                             
                           
                         
                       
                       ] 
                     
                   
                   } 
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 and 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 Y 
               
               ∈ 
               
                 { 
                 
                   
                     
                       e 
                       ~ 
                     
                     1 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     2 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     3 
                   
                   , 
                   
                     … 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       
                         e 
                         ~ 
                       
                       
                         
                           m 
                           2 
                         
                         / 
                         4 
                       
                     
                   
                 
                 } 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               
                 
                   { 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             Y 
                           
                         
                         
                           
                             
                               
                                 - 
                                 j 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               Y 
                             
                           
                         
                       
                       ] 
                     
                   
                   } 
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 and 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 Y 
               
               ∈ 
               
                 { 
                 
                   
                     
                       e 
                       ~ 
                     
                     1 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     2 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     3 
                   
                   , 
                   
                     … 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       
                         e 
                         ~ 
                       
                       
                         
                           m 
                           2 
                         
                         / 
                         4 
                       
                     
                   
                 
                 } 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               
                 
                   { 
                   
                     
                       
                         1 
                         
                           2 
                         
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               Y 
                             
                           
                           
                             
                               Y 
                             
                           
                         
                         ] 
                       
                     
                     , 
                     
                       
                         1 
                         
                           2 
                         
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               Y 
                             
                           
                           
                             
                               
                                 j 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 Y 
                               
                             
                           
                         
                         ] 
                       
                     
                   
                   } 
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 and 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 Y 
               
               ∈ 
               
                 { 
                 
                   
                     
                       e 
                       ~ 
                     
                     1 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     2 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     3 
                   
                   , 
                   
                     … 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       
                         e 
                         ~ 
                       
                       
                         
                           m 
                           2 
                         
                         / 
                         4 
                       
                     
                   
                 
                 } 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               
                 
                   { 
                   
                     
                       
                         1 
                         
                           2 
                         
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               Y 
                             
                           
                           
                             
                               Y 
                             
                           
                         
                         ] 
                       
                     
                     , 
                     
                       
                         1 
                         
                           2 
                         
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               Y 
                             
                           
                           
                             
                               
                                 - 
                                 Y 
                               
                             
                           
                         
                         ] 
                       
                     
                   
                   } 
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 and 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 Y 
               
               ∈ 
               
                 { 
                 
                   
                     
                       e 
                       ~ 
                     
                     1 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     2 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     3 
                   
                   , 
                   
                     … 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       
                         e 
                         ~ 
                       
                       
                         
                           m 
                           2 
                         
                         / 
                         4 
                       
                     
                   
                 
                 } 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               
                 
                   { 
                   
                     
                       
                         1 
                         
                           2 
                         
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               Y 
                             
                           
                           
                             
                               
                                 j 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 Y 
                               
                             
                           
                         
                         ] 
                       
                     
                     , 
                     
                       
                         1 
                         
                           2 
                         
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               Y 
                             
                           
                           
                             
                               
                                 
                                   - 
                                   j 
                                 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 Y 
                               
                             
                           
                         
                         ] 
                       
                     
                   
                   } 
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 and 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 Y 
               
               ∈ 
               
                 { 
                 
                   
                     
                       e 
                       ~ 
                     
                     1 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     2 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     3 
                   
                   , 
                   
                     … 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       
                         e 
                         ~ 
                       
                       
                         
                           m 
                           2 
                         
                         / 
                         4 
                       
                     
                   
                 
                 } 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               
                 
                   { 
                   
                     
                       
                         1 
                         
                           2 
                         
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               Y 
                             
                           
                           
                             
                               
                                 - 
                                 Y 
                               
                             
                           
                         
                         ] 
                       
                     
                     , 
                     
                       
                         1 
                         
                           2 
                         
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               Y 
                             
                           
                           
                             
                               
                                 
                                   - 
                                   j 
                                 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 Y 
                               
                             
                           
                         
                         ] 
                       
                     
                     , 
                   
                   } 
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 and 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 Y 
               
               ∈ 
               
                 { 
                 
                   
                     
                       e 
                       ~ 
                     
                     1 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     2 
                   
                   , 
                   
                     
                       e 
                       ~ 
                     
                     3 
                   
                   , 
                   
                     … 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       
                         e 
                         ~ 
                       
                       
                         
                           m 
                           2 
                         
                         / 
                         4 
                       
                     
                   
                 
                 } 
               
             
           
         
       
     
     Embodiment 4 
     the C PUCCH  is formed by extracting code words from the Rank1 codebook of the C PUSCH . 
     For example, one kind of dual codebooks used by the PUSCH is that: 
     C PUSCH   1  (the codebook corresponding to W 1 ) is formed by m 1  code words W 1   (k) ; 
     
       
         
           
             
               X 
               
                 ( 
                 k 
                 ) 
               
             
             ∈ 
             
               { 
               
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         N 
                                         b 
                                       
                                       2 
                                     
                                     ⁢ 
                                     k 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         
                                           N 
                                           b 
                                         
                                         2 
                                       
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     1 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                           
                             … 
                           
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         
                                           N 
                                           b 
                                         
                                         2 
                                       
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     
                                       N 
                                       b 
                                     
                                     - 
                                     1 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                         
                       
                       ] 
                     
                     : 
                     k 
                   
                   = 
                   0 
                 
                 , 
                 1 
                 , 
                 … 
                 ⁢ 
                 
                     
                 
                 , 
                 
                   
                     m 
                     1 
                   
                   - 
                   1 
                 
               
               } 
             
           
         
       
       
         
           
             
                 
             
             ⁢ 
             
               
                 
                   W 
                   1 
                   
                     ( 
                     k 
                     ) 
                   
                 
                 = 
                 
                   [ 
                   
                     
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                       
                         0 
                       
                     
                     
                       
                         0 
                       
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                     
                   
                   ] 
                 
               
               , 
               
                 
 
               
               ⁢ 
               
                   
               
               ⁢ 
               
                 
                   C 
                   1 
                 
                 = 
                 
                   { 
                   
                     
                       W 
                       1 
                       
                         ( 
                         0 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         1 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         2 
                         ) 
                       
                     
                     , 
                     … 
                     ⁢ 
                     
                         
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         
                           
                             2 
                             ⁢ 
                             
                               N 
                               / 
                               
                                 N 
                                 b 
                               
                             
                           
                           - 
                           1 
                         
                         ) 
                       
                     
                   
                   } 
                 
               
             
           
         
       
     
                 m   1     =       2   ⁢   N       N   b         ,         
and N b  is the number of columns of the matrix X (k) , b i  is a vector, for example, it typically is the DFT vector (but not limited to this case), there are n basic vectors b 0 ˜b N-1  altogether, described as:
 
     
       
         
           
             
               B 
               = 
               
                 [ 
                 
                   
                     
                       
                         b 
                         0 
                       
                     
                     
                       
                         b 
                         1 
                       
                     
                     
                       … 
                     
                     
                       
                         b 
                         
                           N 
                           - 
                           1 
                         
                       
                     
                   
                 
                 ] 
               
             
             , 
             
               
 
             
             ⁢ 
             
               
                 
                   [ 
                   B 
                   ] 
                 
                 
                   
                     1 
                     + 
                     m 
                   
                   , 
                   
                     1 
                     + 
                     n 
                   
                 
               
               = 
               
                 ⅇ 
                 
                   j 
                   ⁢ 
                   
                     
                       2 
                       ⁢ 
                       π 
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       mn 
                     
                     N 
                   
                 
               
             
             , 
             
               
 
             
             ⁢ 
             
               m 
               = 
               0 
             
             , 
             1 
             , 
             … 
             ⁢ 
             
                 
             
             , 
             
               
                 
                   N 
                   tx 
                 
                 2 
               
               - 
               1 
             
           
         
       
       
         
           
             
               n 
               = 
               0 
             
             , 
             1 
             , 
             … 
             ⁢ 
             
                 
             
             , 
             
               N 
               - 
               1 
             
           
         
       
     
     Wherein, N tx  is a parameter related to the vector dimension, and usually indicates the number of the transmitting antennas. N is 2 to the power of an integer. 
     Supposing N tx =8, N b =4, and N=32, then the 16 code words contained in the C PUSCH   1  are: 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 
                   W 
                   1 
                   
                     ( 
                     k 
                     ) 
                   
                 
                 = 
                 
                   [ 
                   
                     
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                       
                         0 
                       
                     
                     
                       
                         0 
                       
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                     
                   
                   ] 
                 
               
               , 
               
                 
 
               
               ⁢ 
               
                   
               
               ⁢ 
               
                 
                   C 
                   1 
                 
                 = 
                 
                   { 
                   
                     
                       W 
                       1 
                       
                         ( 
                         0 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         1 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         2 
                         ) 
                       
                     
                     , 
                     … 
                     ⁢ 
                     
                         
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         15 
                         ) 
                       
                     
                   
                   } 
                 
               
             
           
         
       
       
         
           
             
               
                 X 
                 
                   ( 
                   0 
                   ) 
                 
               
               = 
               
                 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             0 
                           
                         
                         
                           
                             b 
                             1 
                           
                         
                         
                           … 
                         
                         
                           
                             b 
                             3 
                           
                         
                       
                     
                     ] 
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     X 
                     
                       ( 
                       1 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               2 
                             
                           
                           
                             
                               b 
                               3 
                             
                           
                           
                             … 
                           
                           
                             
                               b 
                               5 
                             
                           
                         
                       
                       ] 
                     
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       X 
                       
                         ( 
                         2 
                         ) 
                       
                     
                   
                   = 
                   
                     
                       
                         [ 
                         
                           
                             
                               
                                 b 
                                 4 
                               
                             
                             
                               
                                 b 
                                 5 
                               
                             
                             
                               … 
                             
                             
                               
                                 b 
                                 7 
                               
                             
                           
                         
                         ] 
                       
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       … 
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       … 
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       
                         X 
                         
                           ( 
                           14 
                           ) 
                         
                       
                     
                     = 
                     
                       
                         
                           [ 
                           
                             
                               
                                 
                                   b 
                                   28 
                                 
                               
                               
                                 
                                   b 
                                   29 
                                 
                               
                               
                                 … 
                               
                               
                                 
                                   b 
                                   31 
                                 
                               
                             
                           
                           ] 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           X 
                           
                             ( 
                             15 
                             ) 
                           
                         
                       
                       = 
                       
                         [ 
                         
                           
                             
                               
                                 b 
                                 30 
                               
                             
                             
                               
                                 b 
                                 31 
                               
                             
                             
                               
                                 b 
                                 1 
                               
                             
                             
                               
                                 b 
                                 2 
                               
                             
                           
                         
                         ] 
                       
                     
                   
                 
               
             
             ; 
           
         
       
     
     C PUSCH   2  (the codebook corresponding to W 2 ) is formed by m 2  code words, for example, for Rank1, it contains: 
     
       
         
           
             
               C 
               PUSCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           Y 
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             Y 
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           
                             - 
                             Y 
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                       
                       
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             Y 
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             Y 
             ∈ 
             
               { 
               
                 
                   
                     e 
                     ~ 
                   
                   1 
                 
                 , 
                 
                   
                     e 
                     ~ 
                   
                   2 
                 
                 , 
                 
                   
                     e 
                     ~ 
                   
                   3 
                 
                 , 
                 
                   … 
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     
                       e 
                       ~ 
                     
                     
                       
                         m 
                         2 
                       
                       / 
                       4 
                     
                   
                 
               
               } 
             
           
         
       
     
     m 2  equals to 4N b  generally, {tilde over (e)} i  is a vector of 
                   N   tx     2     ×   1     ,         
the i th  element is 1, and other elements are 0, which actually is one column-selected vector, when the code words in W 1   (k)  and C PUSCH   2  multiply, it can be understood that the columns of the X (k)  are selected to form the code words in the codebook corresponding to W.
 
     The equivalent C PUSCH  (the codebook corresponding to W) contains the code words obtained by any code word in the C PUSCH   1  pre-multiplying any code word in the C PUSCH   2 , that is, there are m 1 ×m 2  code words. 
     And also it can be the case of N=16 or 8, and the following methods are applied to the cases of various N values. 
     In this case, the specific codebook C PUCCH  of the PUCCH formed by extracting the code words in the codebook C PUSCH  of the PUSCH can be: 
     when N=16: 
     
       
         
           
             
               C 
               PUCCH 
             
             = 
             
               
                 
                   ⋃ 
                   
                     k 
                     = 
                     0 
                   
                 
                 3 
               
               ⁢ 
               
                 { 
                 
                   
                     
                       
                         [ 
                         
                           
                             
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   0 
                                 
                               
                             
                           
                           
                             
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   0 
                                 
                               
                             
                           
                         
                         ] 
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   1 
                                 
                               
                             
                           
                           
                             
                               
                                 j 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 
                                   b 
                                   
                                     
                                       4 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     1 
                                   
                                 
                               
                             
                           
                         
                         ] 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                         
                         
                           
                             
                               - 
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   2 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               3 
                             
                           
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 3 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
             
           
         
       
     
     when N=32: 
     
       
         
           
             
               C 
               PUCCH 
             
             = 
             
               
                 ⋃ 
                 
                   k 
                   = 
                   0 
                 
                 3 
               
               ⁢ 
               
                 { 
                 
                   
                     
                       
                         [ 
                         
                           
                             
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   0 
                                 
                               
                             
                           
                           
                             
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   0 
                                 
                               
                             
                           
                         
                         ] 
                       
                       ⁡ 
                       
                         [ 
                         
                           
                             
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   2 
                                 
                               
                             
                           
                           
                             
                               
                                 j 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 
                                   b 
                                   
                                     
                                       8 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     2 
                                   
                                 
                               
                             
                           
                         
                         ] 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 4 
                               
                             
                           
                         
                         
                           
                             
                               - 
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   4 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               6 
                             
                           
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 6 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
             
           
         
       
     
     Compared to embodiment 2 and 3, the description of this method is about how C PUCCH  extracts the code word from the C PUSCH , while not about how C PUCCH   1  C PUCCH   2  extracts the code word from the C PUSCH   1  C PUSCH   2 , which has more generality. Generally speaking, the latter description can be equivalent to one former description according to their relationship, while the former description may not be performed equivalently by the way for the latter description, such as, the way in the present embodiment. 
     The transformed codebook obtained after exchanging the columns, or multiplying by constant coefficient, or exchanging the rows of all code words together for C PUSCH   1  and/or the C PUSCH   2  also can use the extracting method described in the present embodiment; or, the transformed codebook obtained after exchanging the columns or multiplying by constant coefficient or exchanging the rows of all code words together for the C PUSCH  also can use the extracting method described in the present embodiment. The code words in the C PUCCH , C PUCCH   1  and C PUCCH   2  also have the corresponding equivalent transformation representing format. 
     Embodiment 5 
     the C PUCCH  is formed by extracting code words from the Rank2 codebook of the C PUSCH . 
     For example, one kind method for forming the dual codebooks used by the PUSCH is that: 
     C PUSCH   1  (the codebook corresponding to W 1 ) is formed by m 1  code words W 1   (k) , which is the same as the above embodiment of Rank1, and N can be 32, 16 or 8 etc.; 
     C PUSCH   2  (the codebook corresponding to W 2 ) is formed by m 2  code words, for example, for Rank2, it contains: 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUSCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               - 
                               
                                 Y 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   , 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               j 
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 Y 
                                 1 
                               
                             
                           
                           
                             
                               
                                 - 
                                 j 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 Y 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   ( 
                   
                     
                       
                         e 
                         ~ 
                       
                       1 
                     
                     , 
                     
                       
                         e 
                         ~ 
                       
                       1 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       
                         e 
                         ~ 
                       
                       2 
                     
                     , 
                     
                       
                         e 
                         ~ 
                       
                       2 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       
                         e 
                         ~ 
                       
                       3 
                     
                     , 
                     
                       
                         e 
                         ~ 
                       
                       3 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       
                         e 
                         ~ 
                       
                       4 
                     
                     , 
                     
                       
                         e 
                         ~ 
                       
                       4 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       
                         e 
                         ~ 
                       
                       1 
                     
                     , 
                     
                       
                         e 
                         ~ 
                       
                       2 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       
                         e 
                         ~ 
                       
                       2 
                     
                     , 
                     
                       
                         e 
                         ~ 
                       
                       3 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       
                         e 
                         ~ 
                       
                       1 
                     
                     , 
                     
                       
                         e 
                         ~ 
                       
                       4 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       
                         e 
                         ~ 
                       
                       2 
                     
                     , 
                     
                       
                         e 
                         ~ 
                       
                       4 
                     
                   
                   ) 
                 
               
               } 
             
           
         
       
     
     wherein, {tilde over (e)} i  is a vector of 
                   N   tx     2     ×   1     ,         
the i th  element is 1, and other elements are 0, which actually is one column-selected vector, when the code words in W 1   (k)  and C PUSCH   2  multiply, it can be understood that the columns of the X (k)  are selected to form the code words in the codebook corresponding to W.
 
     The equivalent C PUSCH  (the codebook corresponding to W) contains the code word obtained by any code word in the C PUSCH   1  pre-multiplying any code word in the C PUSCH   2 , that is, there are m 1 ×m 2  code words. 
     In this case, the specific codebook C PUCCH  of the PUCCH formed by extracting the code word in the codebook C PUSCH  of the PUSCH can be: 
     when N=16: 
     
       
         
           
             
               
                 ⋃ 
                 
                   k 
                   = 
                   0 
                 
               
               3 
             
             ⁢ 
             
               { 
               
                 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               0 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               0 
                             
                           
                         
                       
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               0 
                             
                           
                         
                         
                           
                             - 
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               1 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               1 
                             
                           
                         
                       
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               1 
                             
                           
                         
                         
                           
                             - 
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 1 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                         
                         
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                           
                             
                               - 
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   2 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                         
                       
                         [ 
                         
                           
                             
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   3 
                                 
                               
                             
                             
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   3 
                                 
                               
                             
                           
                           
                             
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   3 
                                 
                               
                             
                             
                               
                                 - 
                                 
                                   b 
                                   
                                     
                                       4 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     3 
                                   
                                 
                               
                             
                           
                         
                         ] 
                       
                       } 
                     
                   
                 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               
                 ⋃ 
                 
                   k 
                   = 
                   0 
                 
               
               3 
             
             ⁢ 
             
               { 
               
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                         
                         
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                           
                             
                               - 
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   0 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 1 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 1 
                               
                             
                           
                         
                         
                           
                             
                               
                                   
                               
                               ⁢ 
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   1 
                                 
                               
                             
                           
                           
                             
                               - 
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   1 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               2 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               2 
                             
                           
                         
                       
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               2 
                             
                           
                         
                         
                           
                             - 
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                   
                       
                   
                   ⁢ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               3 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               3 
                             
                           
                         
                       
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 k 
                               
                               + 
                               3 
                             
                           
                         
                         
                           
                             - 
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 3 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               
                 ⋃ 
                 
                   k 
                   = 
                   0 
                 
               
               3 
             
             ⁢ 
             
               { 
               
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   
                                       
                                   
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   
                                       
                                   
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                         
                         
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   
                                       
                                   
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                           
                             
                               - 
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     
                                         
                                     
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   0 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   
                                       
                                   
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 1 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   
                                       
                                   
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 1 
                               
                             
                           
                         
                         
                           
                             
                               j 
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     
                                         
                                     
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   1 
                                 
                               
                             
                           
                           
                             
                               
                                 - 
                                 j 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 b 
                                 
                                   
                                     4 
                                     ⁢ 
                                     
                                         
                                     
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   1 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 k 
                               
                               + 
                               2 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 k 
                               
                               + 
                               2 
                             
                           
                         
                       
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 k 
                               
                               + 
                               2 
                             
                           
                         
                         
                           
                             - 
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   
                                       
                                   
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 k 
                               
                               + 
                               3 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 4 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 k 
                               
                               + 
                               3 
                             
                           
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   
                                       
                                   
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 3 
                               
                             
                           
                         
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               b 
                               
                                 
                                   4 
                                   ⁢ 
                                   
                                       
                                   
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 3 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               
                 ⋃ 
                 
                   k 
                   = 
                   0 
                 
               
               3 
             
             ⁢ 
             
               { 
               
                 
                   
                     
                       
                         
                           
                             [ 
                             
                               
                                 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       0 
                                     
                                   
                                 
                                 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       0 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       0 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         0 
                                       
                                     
                                   
                                 
                               
                             
                             ] 
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       1 
                                     
                                   
                                 
                                 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       1 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     
                                         
                                     
                                     ⁢ 
                                     
                                       j 
                                       ⁢ 
                                       
                                           
                                       
                                       ⁢ 
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           1 
                                         
                                       
                                     
                                   
                                 
                                 
                                   
                                     
                                       - 
                                       j 
                                     
                                     ⁢ 
                                     
                                         
                                     
                                     ⁢ 
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         1 
                                       
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ⁡ 
                         
                           [ 
                           
                             
                               
                                 
                                   b 
                                   
                                     
                                       4 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     2 
                                   
                                 
                               
                               
                                 
                                   b 
                                   
                                     
                                       4 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     2 
                                   
                                 
                               
                             
                             
                               
                                 
                                   b 
                                   
                                     
                                       4 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     2 
                                   
                                 
                               
                               
                                 
                                   - 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       2 
                                     
                                   
                                 
                               
                             
                           
                           ] 
                         
                       
                       ⁢ 
                       
                           
                       
                     
                   
                 
                 
                   
                     
                       
                         
                           
                             
                               
                                 [ 
                                 
                                   
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           3 
                                         
                                       
                                     
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           3 
                                         
                                       
                                     
                                   
                                   
                                     
                                       
                                         j 
                                         ⁢ 
                                         
                                             
                                         
                                         ⁢ 
                                         
                                           b 
                                           
                                             
                                               4 
                                               ⁢ 
                                               k 
                                             
                                             + 
                                             3 
                                           
                                         
                                       
                                     
                                     
                                       
                                         
                                           - 
                                           j 
                                         
                                         ⁢ 
                                         
                                             
                                         
                                         ⁢ 
                                         
                                           b 
                                           
                                             
                                               4 
                                               ⁢ 
                                               k 
                                             
                                             + 
                                             3 
                                           
                                         
                                       
                                     
                                   
                                 
                                 ] 
                               
                               ⁡ 
                               
                                 [ 
                                 
                                   
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           0 
                                         
                                       
                                     
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           1 
                                         
                                       
                                     
                                   
                                   
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           0 
                                         
                                       
                                     
                                     
                                       
                                         - 
                                         
                                           b 
                                           
                                             
                                               4 
                                               ⁢ 
                                               k 
                                             
                                             + 
                                             1 
                                           
                                         
                                       
                                     
                                   
                                 
                                 ] 
                               
                             
                             ⁡ 
                             
                               [ 
                               
                                 
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         1 
                                       
                                     
                                   
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         2 
                                       
                                     
                                   
                                 
                                 
                                   
                                     
                                       j 
                                       ⁢ 
                                       
                                           
                                       
                                       ⁢ 
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           1 
                                         
                                       
                                     
                                   
                                   
                                     
                                       
                                         - 
                                         j 
                                       
                                       ⁢ 
                                       
                                           
                                       
                                       ⁢ 
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           2 
                                         
                                       
                                     
                                   
                                 
                               
                               ] 
                             
                           
                         
                       
                       
                         
                           
                             
                               [ 
                               
                                 
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         0 
                                       
                                     
                                   
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         3 
                                       
                                     
                                   
                                 
                                 
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         0 
                                       
                                     
                                   
                                   
                                     
                                       - 
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           3 
                                         
                                       
                                     
                                   
                                 
                               
                               ] 
                             
                             ⁡ 
                             
                               [ 
                               
                                 
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         1 
                                       
                                     
                                   
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         3 
                                       
                                     
                                   
                                 
                                 
                                   
                                     
                                       j 
                                       ⁢ 
                                       
                                           
                                       
                                       ⁢ 
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           1 
                                         
                                       
                                     
                                   
                                   
                                     
                                       
                                         - 
                                         j 
                                       
                                       ⁢ 
                                       
                                           
                                       
                                       ⁢ 
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           3 
                                         
                                       
                                     
                                   
                                 
                               
                               ] 
                             
                           
                         
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               
                 ⋃ 
                 
                   k 
                   = 
                   0 
                 
               
               3 
             
             ⁢ 
             
               { 
               
                 
                   
                     
                       
                         
                           
                             [ 
                             
                               
                                 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       0 
                                     
                                   
                                 
                                 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       0 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       0 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         0 
                                       
                                     
                                   
                                 
                               
                             
                             ] 
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       1 
                                     
                                   
                                 
                                 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       1 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     
                                         
                                     
                                     ⁢ 
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         1 
                                       
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ⁡ 
                         
                           [ 
                           
                             
                               
                                 
                                   b 
                                   
                                     
                                       4 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     2 
                                   
                                 
                               
                               
                                 
                                   b 
                                   
                                     
                                       4 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     2 
                                   
                                 
                               
                             
                             
                               
                                 
                                   b 
                                   
                                     
                                       4 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     2 
                                   
                                 
                               
                               
                                 
                                   - 
                                   
                                     b 
                                     
                                       
                                         4 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       2 
                                     
                                   
                                 
                               
                             
                           
                           ] 
                         
                       
                       ⁢ 
                       
                           
                       
                     
                   
                 
                 
                   
                     
                       
                         
                           
                             
                               
                                 [ 
                                 
                                   
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           3 
                                         
                                       
                                     
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           3 
                                         
                                       
                                     
                                   
                                   
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           3 
                                         
                                       
                                     
                                     
                                       
                                         - 
                                         
                                           b 
                                           
                                             
                                               4 
                                               ⁢ 
                                               k 
                                             
                                             + 
                                             3 
                                           
                                         
                                       
                                     
                                   
                                 
                                 ] 
                               
                               ⁡ 
                               
                                 [ 
                                 
                                   
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           0 
                                         
                                       
                                     
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           1 
                                         
                                       
                                     
                                   
                                   
                                     
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           0 
                                         
                                       
                                     
                                     
                                       
                                         - 
                                         
                                           b 
                                           
                                             
                                               4 
                                               ⁢ 
                                               k 
                                             
                                             + 
                                             1 
                                           
                                         
                                       
                                     
                                   
                                 
                                 ] 
                               
                             
                             ⁡ 
                             
                               [ 
                               
                                 
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         1 
                                       
                                     
                                   
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         2 
                                       
                                     
                                   
                                 
                                 
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         1 
                                       
                                     
                                   
                                   
                                     
                                       - 
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           2 
                                         
                                       
                                     
                                   
                                 
                               
                               ] 
                             
                           
                         
                       
                       
                         
                           
                             
                               [ 
                               
                                 
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         0 
                                       
                                     
                                   
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         3 
                                       
                                     
                                   
                                 
                                 
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         0 
                                       
                                     
                                   
                                   
                                     
                                       - 
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           3 
                                         
                                       
                                     
                                   
                                 
                               
                               ] 
                             
                             ⁡ 
                             
                               [ 
                               
                                 
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         1 
                                       
                                     
                                   
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         3 
                                       
                                     
                                   
                                 
                                 
                                   
                                     
                                       b 
                                       
                                         
                                           4 
                                           ⁢ 
                                           k 
                                         
                                         + 
                                         1 
                                       
                                     
                                   
                                   
                                     
                                       - 
                                       
                                         b 
                                         
                                           
                                             4 
                                             ⁢ 
                                             k 
                                           
                                           + 
                                           3 
                                         
                                       
                                     
                                   
                                 
                               
                               ] 
                             
                           
                         
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     when N=32, C PUCCH  is 
     
       
         
           
             
               
                 ⋃ 
                 
                   k 
                   = 
                   0 
                 
               
               3 
             
             ⁢ 
             
               { 
               
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                         
                         
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                           
                             
                               - 
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   0 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                         
                         
                           
                             
                               
                                   
                               
                               ⁢ 
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   2 
                                 
                               
                             
                           
                           
                             
                               - 
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   2 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               4 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               4 
                             
                           
                         
                       
                       
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               4 
                             
                           
                         
                         
                           
                             - 
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 4 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                   
                       
                   
                   ⁢ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               6 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               6 
                             
                           
                         
                       
                       
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               6 
                             
                           
                         
                         
                           
                             - 
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 6 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               
                 ⋃ 
                 
                   k 
                   = 
                   0 
                 
               
               3 
             
             ⁢ 
             
               { 
               
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                         
                         
                           
                             
                               j 
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   0 
                                 
                               
                             
                           
                           
                             
                               
                                 - 
                                 j 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   0 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                         
                         
                           
                             
                               
                                   
                               
                               ⁢ 
                               
                                 j 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 
                                   b 
                                   
                                     
                                       8 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     2 
                                   
                                 
                               
                             
                           
                           
                             
                               
                                 - 
                                 j 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   2 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               4 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               4 
                             
                           
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 4 
                               
                             
                           
                         
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 4 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                   
                       
                   
                   ⁢ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               6 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               6 
                             
                           
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 6 
                               
                             
                           
                         
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 6 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   } 
                 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               
                 ⋃ 
                 
                   k 
                   = 
                   0 
                 
               
               3 
             
             ⁢ 
             
               { 
               
                 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               0 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               0 
                             
                           
                         
                       
                       
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               0 
                             
                           
                         
                         
                           
                             - 
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               2 
                             
                           
                         
                         
                           
                             b 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               2 
                             
                           
                         
                       
                       
                         
                           
                             
                                 
                             
                             ⁢ 
                             
                               j 
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   2 
                                 
                               
                             
                           
                         
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 4 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 4 
                               
                             
                           
                         
                         
                           
                             
                               b 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 4 
                               
                             
                           
                           
                             
                               - 
                               
                                 b 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   4 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       
                           
                         
                           [ 
                           
                             
                               
                                 
                                   b 
                                   
                                     
                                       8 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     6 
                                   
                                 
                               
                               
                                 
                                   b 
                                   
                                     
                                       8 
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     6 
                                   
                                 
                               
                             
                             
                               
                                 
                                   j 
                                   ⁢ 
                                   
                                       
                                   
                                   ⁢ 
                                   
                                     b 
                                     
                                       
                                         8 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       6 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     - 
                                     j 
                                   
                                   ⁢ 
                                   
                                       
                                   
                                   ⁢ 
                                   
                                     b 
                                     
                                       
                                         8 
                                         ⁢ 
                                         k 
                                       
                                       + 
                                       6 
                                     
                                   
                                 
                               
                             
                           
                           ] 
                         
                         } 
                       
                       . 
                     
                   
                 
               
             
           
         
       
     
     Embodiment 6 
     the C PUCCH  is formed by extracting code words from the Rank3 codebook of the C PUSCH . 
     1) case 1, one kind of dual codebooks used by the PUSCH is that: 
     C PUSCH   1  (the codebook corresponding to W 1 ) is formed by m 1  code words W 1   (k) ; 
     
       
         
           
             
               X 
               
                 ( 
                 k 
                 ) 
               
             
             ∈ 
             
               { 
               
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         N 
                                         b 
                                       
                                       2 
                                     
                                     ⁢ 
                                     k 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         
                                           N 
                                           b 
                                         
                                         2 
                                       
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     1 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                           
                             … 
                           
                           
                             
                               b 
                               
                                 
                                   ( 
                                   
                                     
                                       
                                         
                                           N 
                                           b 
                                         
                                         2 
                                       
                                       ⁢ 
                                       k 
                                     
                                     + 
                                     
                                       N 
                                       b 
                                     
                                     - 
                                     1 
                                   
                                   ) 
                                 
                                 ⁢ 
                                 mod 
                                 ⁢ 
                                 
                                     
                                 
                                 ⁢ 
                                 N 
                               
                             
                           
                         
                       
                       ] 
                     
                     : 
                     k 
                   
                   = 
                   0 
                 
                 , 
                 1 
                 , 
                 … 
                 ⁢ 
                 
                     
                 
                 , 
                 
                   
                     m 
                     1 
                   
                   - 
                   1 
                 
               
               } 
             
           
         
       
       
         
           
             
                 
             
             ⁢ 
             
               
                 
                   W 
                   1 
                   
                     ( 
                     k 
                     ) 
                   
                 
                 = 
                 
                   [ 
                   
                     
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                       
                         0 
                       
                     
                     
                       
                         0 
                       
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                     
                   
                   ] 
                 
               
               , 
               
                 
 
               
               ⁢ 
               
                   
               
               ⁢ 
               
                 
                   C 
                   1 
                 
                 = 
                 
                   { 
                   
                     
                       W 
                       1 
                       
                         ( 
                         0 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         1 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         2 
                         ) 
                       
                     
                     , 
                     … 
                     ⁢ 
                     
                         
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         
                           
                             2 
                             ⁢ 
                             
                               N 
                               / 
                               
                                 N 
                                 b 
                               
                             
                           
                           - 
                           1 
                         
                         ) 
                       
                     
                   
                   } 
                 
               
             
           
         
       
     
     wherein, 
                 m   1     =       2   ⁢   N       N     b   ⁢                   ,         
and N b  is the number of columns of the matrix X (k) , b i  is a vector, for example, it typically is the DFT vector (hut not limited to this case), there are n basic vectors b 0 ˜b N-1  altogether; if b i  is a DFT vector varying with each other, described as:
 
               B   =     [           b   0           b   1         …         b     N   -   1             ]       ,     
     ⁢         [   B   ]         1   +   m     ,     1   +   n         =     ⅇ     j   ⁢       2   ⁢           ⁢   π   ⁢           ⁢   m   ⁢           ⁢   n     N           ,     
     ⁢     m   =   0     ,   1   ,   …   ⁢           ,         N   tx     2     -   1                   n   =   0     ,   1   ,   …   ⁢           ,     N   -   1     ,         
wherein, N tx  is a parameter related to the vector dimension, and usually indicates the number of the transmitting antennas. N is 2 to the power of an integer.
 
     If N tx =8, N b =8 and N=32, then the 
             8   ⁢     (       m   1     =         2   ⁢   N       N   b       =   8       )           
code words contained in the C PUSCH   1  are:
 
     
       
         
           
             
               
                 W 
                 1 
                 
                   ( 
                   k 
                   ) 
                 
               
               = 
               
                 [ 
                 
                   
                     
                       
                         X 
                         
                           ( 
                           k 
                           ) 
                         
                       
                     
                     
                       0 
                     
                   
                   
                     
                       0 
                     
                     
                       
                         X 
                         
                           ( 
                           k 
                           ) 
                         
                       
                     
                   
                 
                 ] 
               
             
             , 
             
               
 
             
             ⁢ 
             
               
                 C 
                 1 
               
               = 
               
                 { 
                 
                   
                     W 
                     1 
                     
                       ( 
                       0 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       1 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       2 
                       ) 
                     
                   
                   , 
                   … 
                   ⁢ 
                   
                       
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       7 
                       ) 
                     
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 0 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       0 
                     
                   
                   
                     
                       b 
                       1 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       7 
                     
                   
                 
               
               ] 
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 1 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       4 
                     
                   
                   
                     
                       b 
                       6 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       11 
                     
                   
                 
               
               ] 
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 2 
                 ) 
               
             
             = 
             
               
                 [ 
                 
                   
                     
                       
                         b 
                         8 
                       
                     
                     
                       
                         b 
                         9 
                       
                     
                     
                       … 
                     
                     
                       
                         b 
                         15 
                       
                     
                   
                 
                 ] 
               
               ⁢ 
               
                   
               
               ⁢ 
               … 
               ⁢ 
               
                   
               
               ⁢ 
               … 
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 6 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       24 
                     
                   
                   
                     
                       b 
                       25 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       31 
                     
                   
                 
               
               ] 
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 7 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       28 
                     
                   
                   
                     
                       b 
                       29 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       3 
                     
                   
                 
               
               ] 
             
           
         
       
     
     If N tx =8, N b =8 and N=16, then the 
             4   ⁢     (       m   1     =         2   ⁢   N       N   b       =   4       )           
code words contained in the C PUSCH   1  are:
 
     
       
         
           
             
               
                 W 
                 1 
                 
                   ( 
                   k 
                   ) 
                 
               
               = 
               
                 [ 
                 
                   
                     
                       
                         X 
                         
                           ( 
                           k 
                           ) 
                         
                       
                     
                     
                       0 
                     
                   
                   
                     
                       0 
                     
                     
                       
                         X 
                         
                           ( 
                           k 
                           ) 
                         
                       
                     
                   
                 
                 ] 
               
             
             , 
             
               
 
             
             ⁢ 
             
               
                 C 
                 1 
               
               = 
               
                 { 
                 
                   
                     W 
                     1 
                     
                       ( 
                       0 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       1 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       2 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       3 
                       ) 
                     
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 0 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       0 
                     
                   
                   
                     
                       b 
                       1 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       7 
                     
                   
                 
               
               ] 
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 1 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       4 
                     
                   
                   
                     
                       b 
                       6 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       11 
                     
                   
                 
               
               ] 
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 2 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       8 
                     
                   
                   
                     
                       b 
                       9 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       15 
                     
                   
                 
               
               ] 
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       12 
                     
                   
                   
                     
                       b 
                       13 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       3 
                     
                   
                 
               
               ] 
             
           
         
       
     
     C PUSCH   2  (the codebook corresponding to W 2 ) is formed by m 2  code words, for example, for Rank3, the 16 code words contained therein are: 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 
                   W 
                   2 
                 
                 ∈ 
                 
                   C 
                   2 
                 
               
               = 
               
                 { 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             - 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 1 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 5 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 2 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 6 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 3 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 7 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 4 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 8 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             5 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 1 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 5 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             6 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 2 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 6 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             7 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 3 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 7 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             8 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 4 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 8 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             [ 
                             
                               
                                 e 
                                 1 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 5 
                               
                             
                             ] 
                           
                           , 
                           
                             e 
                             5 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             [ 
                             
                               
                                 e 
                                 2 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 6 
                               
                             
                             ] 
                           
                           , 
                           
                             e 
                             6 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             [ 
                             
                               
                                 e 
                                 3 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 7 
                               
                             
                             ] 
                           
                           , 
                           
                             e 
                             7 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             [ 
                             
                               
                                 e 
                                 4 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 8 
                               
                             
                             ] 
                           
                           , 
                           
                             e 
                             8 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             [ 
                             
                               
                                 e 
                                 5 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 1 
                               
                             
                             ] 
                           
                           , 
                           
                             e 
                             1 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             [ 
                             
                               
                                 e 
                                 6 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 2 
                               
                             
                             ] 
                           
                           , 
                           
                             e 
                             2 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             [ 
                             
                               
                                 e 
                                 7 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 3 
                               
                             
                             ] 
                           
                           , 
                           
                             e 
                             3 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             [ 
                             
                               
                                 e 
                                 8 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 4 
                               
                             
                             ] 
                           
                           , 
                           
                             e 
                             4 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     and also can be noted as: 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 
                   W 
                   2 
                 
                 ∈ 
                 
                   C 
                   2 
                 
               
               = 
               
                 { 
                 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               - 
                               
                                 Y 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   , 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               - 
                               
                                 Y 
                                 1 
                               
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                       
                       ] 
                     
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 1 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 5 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 2 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 6 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 3 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 7 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 4 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 8 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             5 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 1 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 5 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             6 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 2 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 6 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             7 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 3 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 7 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             8 
                           
                           , 
                           
                             [ 
                             
                               
                                 e 
                                 4 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 e 
                                 8 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
               
               } 
             
           
         
       
     
     wherein, {tilde over (e)} i  is a vector of 
                   N   tx     2     ×   1     ,         
the i th  element is 1, and other elements are 0, which actually is one column-selected vector.
 
     In this case, the specific codebook C PUCCH  of the PUCCH formed by extracting the code word in the codebook C PUSCH  of the PUSCH can be: 
     extracting mode 1: extracting the code words from the C PUSCH   2  to form the C PUCCH   2  can be in any method; and extracting the code words from the C PUSCH   1  to form the C PUCCH   1  can be extracting part or all code words of the code words W 1   (0)  W 1   (2)  W 1   (4)  W 1   (6)  . . . W 1   (2N/N     b     −2)  with the Index being even or the code words W 1   (1)  W 1   (3)  W 1   (5)  W 1   (7)  . . . W 1   (2N/N     b     −1)  with the Index being odd. That is to say, the methods described in above Rank1 and Rank2 embodiments are also applied to Rank3. 
     Extracting Mode 2: extracting the code words from the C PUSCH   1  to form the C PUCCH   1  can be in any method; and extracting the code words from the C PUSCH   2  to form the C PUCCH   2  can be extracting the following code words: 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             - 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             5 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             6 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             7 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             8 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             - 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             5 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             6 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             7 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             8 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               - 
                               
                                 Y 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   , 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               - 
                               
                                 Y 
                                 1 
                               
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                       
                       ] 
                     
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   ( 
                   
                     
                       e 
                       1 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               1 
                             
                           
                           
                             
                               e 
                               5 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       2 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               2 
                             
                           
                           
                             
                               e 
                               6 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       3 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               3 
                             
                           
                           
                             
                               e 
                               7 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       4 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               4 
                             
                           
                           
                             
                               e 
                               8 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               - 
                               
                                 Y 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   , 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               - 
                               
                                 Y 
                                 1 
                               
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                       
                       ] 
                     
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   ( 
                   
                     
                       e 
                       5 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               1 
                             
                           
                           
                             
                               e 
                               5 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       6 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               2 
                             
                           
                           
                             
                               e 
                               6 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       7 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               3 
                             
                           
                           
                             
                               e 
                               7 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       8 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               4 
                             
                           
                           
                             
                               e 
                               8 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             - 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   ( 
                   
                     
                       e 
                       5 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               1 
                             
                           
                           
                             
                               e 
                               5 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       6 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               2 
                             
                           
                           
                             
                               e 
                               6 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       7 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               3 
                             
                           
                           
                             
                               e 
                               7 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       8 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               4 
                             
                           
                           
                             
                               e 
                               8 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             - 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   ( 
                   
                     
                       e 
                       5 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               1 
                             
                           
                           
                             
                               e 
                               5 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       6 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               2 
                             
                           
                           
                             
                               e 
                               6 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       7 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               3 
                             
                           
                           
                             
                               e 
                               7 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       8 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               4 
                             
                           
                           
                             
                               e 
                               8 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             - 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   ( 
                   
                     
                       e 
                       1 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               1 
                             
                           
                           
                             
                               e 
                               5 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       2 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               2 
                             
                           
                           
                             
                               e 
                               6 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       3 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               3 
                             
                           
                           
                             
                               e 
                               7 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       4 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               4 
                             
                           
                           
                             
                               e 
                               8 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             - 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   ( 
                   
                     
                       e 
                       1 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               1 
                             
                           
                           
                             
                               e 
                               5 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       2 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               2 
                             
                           
                           
                             
                               e 
                               6 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       3 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               3 
                             
                           
                           
                             
                               e 
                               7 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
                 , 
                 
                   ( 
                   
                     
                       e 
                       4 
                     
                     , 
                     
                       [ 
                       
                         
                           
                             
                               e 
                               4 
                             
                           
                           
                             
                               e 
                               8 
                             
                           
                         
                       
                       ] 
                     
                   
                   ) 
                 
               
               } 
             
           
         
       
     
     2) case 2, C PUSCH   1  is the same as in the ease 1 of the present embodiment, and C PUSCH   2  also can be the following format: 
     
       
         
           
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               - 
                               
                                 Y 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   , 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               - 
                               
                                 Y 
                                 1 
                               
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                       
                       ] 
                     
                   
                   , 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               j 
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 Y 
                                 1 
                               
                             
                           
                           
                             
                               
                                 - 
                                 j 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 Y 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   , 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               
                                 - 
                                 j 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 Y 
                                 1 
                               
                             
                           
                           
                             
                               j 
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 Y 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                 
                 } 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             5 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             6 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             7 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             8 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
               
               } 
             
           
         
       
     
     Extracting the code words from the C PUSCH   1  to form the C PUCCH   1  can be in any method; and C PUCCH   2  can be all formats described in the extracting mode 2 of the above case 1, or: 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             - 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             - 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             5 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             6 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             7 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             8 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             - 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             Y 
                             
                               2 
                               ⁢ 
                               
                                   
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         
                           
                             
                               ( 
                               
                                 
                                   e 
                                   1 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           1 
                                         
                                       
                                       
                                         
                                           e 
                                           5 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                             
                               ( 
                               
                                 
                                   e 
                                   2 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           2 
                                         
                                       
                                       
                                         
                                           e 
                                           6 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                           
                         
                       
                       
                         
                           
                             
                               ( 
                               
                                 
                                   e 
                                   3 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           3 
                                         
                                       
                                       
                                         
                                           e 
                                           7 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                             
                               ( 
                               
                                 
                                   e 
                                   4 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           4 
                                         
                                       
                                       
                                         
                                           e 
                                           8 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                           
                         
                       
                       
                         
                           
                             
                               ( 
                               
                                 
                                   e 
                                   5 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           1 
                                         
                                       
                                       
                                         
                                           e 
                                           5 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                             
                               ( 
                               
                                 
                                   e 
                                   6 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           2 
                                         
                                       
                                       
                                         
                                           e 
                                           6 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                           
                         
                       
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             7 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             8 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             - 
                             
                               Y 
                               
                                 2 
                                 ⁢ 
                                 
                                     
                                 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         
                           
                             
                               ( 
                               
                                 
                                   e 
                                   1 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           1 
                                         
                                       
                                       
                                         
                                           e 
                                           5 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                             
                               ( 
                               
                                 
                                   e 
                                   2 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           2 
                                         
                                       
                                       
                                         
                                           e 
                                           6 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                           
                         
                       
                       
                         
                           
                             
                               ( 
                               
                                 
                                   e 
                                   3 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           3 
                                         
                                       
                                       
                                         
                                           e 
                                           7 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                             
                               ( 
                               
                                 
                                   e 
                                   4 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           4 
                                         
                                       
                                       
                                         
                                           e 
                                           8 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                           
                         
                       
                       
                         
                           
                             
                               ( 
                               
                                 
                                   e 
                                   5 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           1 
                                         
                                       
                                       
                                         
                                           e 
                                           5 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                             
                               ( 
                               
                                 
                                   e 
                                   6 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           2 
                                         
                                       
                                       
                                         
                                           e 
                                           6 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                           
                         
                       
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             7 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             8 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             - 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             Y 
                             
                               2 
                               ⁢ 
                               
                                   
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         
                           
                             
                               ( 
                               
                                 
                                   e 
                                   1 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           1 
                                         
                                       
                                       
                                         
                                           e 
                                           5 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                             
                               ( 
                               
                                 
                                   e 
                                   2 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           2 
                                         
                                       
                                       
                                         
                                           e 
                                           6 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                           
                         
                       
                       
                         
                           
                             
                               ( 
                               
                                 
                                   e 
                                   3 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           3 
                                         
                                       
                                       
                                         
                                           e 
                                           7 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                             
                               ( 
                               
                                 
                                   e 
                                   4 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           4 
                                         
                                       
                                       
                                         
                                           e 
                                           8 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                           
                         
                       
                       
                         
                           
                             
                               ( 
                               
                                 
                                   e 
                                   5 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           1 
                                         
                                       
                                       
                                         
                                           e 
                                           5 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                             
                               ( 
                               
                                 
                                   e 
                                   6 
                                 
                                 , 
                                 
                                   [ 
                                   
                                     
                                       
                                         
                                           e 
                                           2 
                                         
                                       
                                       
                                         
                                           e 
                                           6 
                                         
                                       
                                     
                                   
                                   ] 
                                 
                               
                               ) 
                             
                             , 
                           
                         
                       
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             7 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             8 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             - 
                             
                               Y 
                               
                                 2 
                                 ⁢ 
                                 
                                     
                                 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             - 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             Y 
                             
                               2 
                               ⁢ 
                               
                                   
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             - 
                             
                               Y 
                               
                                 2 
                                 ⁢ 
                                 
                                     
                                 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             - 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             Y 
                             
                               2 
                               ⁢ 
                               
                                   
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               
                 { 
                 
                   
                     
                       
                         
                           ( 
                           
                             
                               e 
                               1 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       1 
                                     
                                   
                                   
                                     
                                       e 
                                       5 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                         
                           ( 
                           
                             
                               e 
                               2 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       2 
                                     
                                   
                                   
                                     
                                       e 
                                       6 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                       
                     
                   
                   
                     
                       
                         
                           ( 
                           
                             
                               e 
                               3 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       3 
                                     
                                   
                                   
                                     
                                       e 
                                       7 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                         
                           ( 
                           
                             
                               e 
                               4 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       4 
                                     
                                   
                                   
                                     
                                       e 
                                       8 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                       
                     
                   
                 
                 } 
               
               . 
             
           
         
       
     
     3) case 3: the value of C PUSCH   1  is the same as in the case 1 of the present embodiment; C PUSCH   2  also can be the following format: 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               - 
                               
                                 Y 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   , 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               Y 
                               1 
                             
                           
                           
                             
                               Y 
                               2 
                             
                           
                         
                         
                           
                             
                               j 
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 Y 
                                 1 
                               
                             
                           
                           
                             
                               
                                 - 
                                 j 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 Y 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                 
                 } 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               
                 { 
                 
                   
                     
                       
                         
                           ( 
                           
                             
                               e 
                               1 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       1 
                                     
                                   
                                   
                                     
                                       e 
                                       5 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                         
                           ( 
                           
                             
                               e 
                               2 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       2 
                                     
                                   
                                   
                                     
                                       e 
                                       6 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                         
                           ( 
                           
                             
                               e 
                               3 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       3 
                                     
                                   
                                   
                                     
                                       e 
                                       7 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                         
                           ( 
                           
                             
                               e 
                               4 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       4 
                                     
                                   
                                   
                                     
                                       e 
                                       8 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                       
                     
                   
                   
                     
                       
                         
                           ( 
                           
                             
                               e 
                               5 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       1 
                                     
                                   
                                   
                                     
                                       e 
                                       5 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                         
                           ( 
                           
                             
                               e 
                               6 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       2 
                                     
                                   
                                   
                                     
                                       e 
                                       6 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                         
                           ( 
                           
                             
                               e 
                               7 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       3 
                                     
                                   
                                   
                                     
                                       e 
                                       7 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                         
                           ( 
                           
                             
                               e 
                               8 
                             
                             , 
                             
                               [ 
                               
                                 
                                   
                                     
                                       e 
                                       4 
                                     
                                   
                                   
                                     
                                       e 
                                       8 
                                     
                                   
                                 
                               
                               ] 
                             
                           
                           ) 
                         
                         , 
                       
                     
                   
                 
                 } 
               
               . 
             
           
         
       
     
     Extracting the code words from the C PUSCH   1  to form the C PUCCH   1  can be in any method; and extracting the code words from the C PUSCH   2  to form the C PUCCH   2  can be extracting the following code words: 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             - 
                             
                               Y 
                               
                                 2 
                                 ⁢ 
                                 
                                     
                                 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               1 
                             
                           
                         
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   1 
                   
                     2 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           Y 
                           1 
                         
                       
                       
                         
                           Y 
                           2 
                         
                       
                     
                     
                       
                         
                           Y 
                           1 
                         
                       
                       
                         
                           - 
                           
                             Y 
                             2 
                           
                         
                       
                     
                   
                   ] 
                 
               
               } 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             Y 
                             2 
                           
                         
                       
                       
                         
                           
                             Y 
                             1 
                           
                         
                         
                           
                             - 
                             
                               Y 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               ( 
               
                 
                   Y 
                   1 
                 
                 , 
                 
                   Y 
                   2 
                 
               
               ) 
             
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             1 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             2 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             3 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             4 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         ( 
                         
                           
                             e 
                             5 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     1 
                                   
                                 
                                 
                                   
                                     e 
                                     5 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             6 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     2 
                                   
                                 
                                 
                                   
                                     e 
                                     6 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             7 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     3 
                                   
                                 
                                 
                                   
                                     e 
                                     7 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                       
                         ( 
                         
                           
                             e 
                             8 
                           
                           , 
                           
                             [ 
                             
                               
                                 
                                   
                                     e 
                                     4 
                                   
                                 
                                 
                                   
                                     e 
                                     8 
                                   
                                 
                               
                             
                             ] 
                           
                         
                         ) 
                       
                       , 
                     
                   
                 
               
               } 
             
           
         
       
     
     The above-mentioned embodiment is only a preferable embodiment. For other different formats that have the structure characteristics described in the present invention, such as, the C PUSCH   2 , etc., the idea of the present invention can be used to extract the code words to form the C PUCCH   2 . The above-mentioned embodiment includes the combination of all kinds of extracting ideas. 
     The transformed codebook obtained after exchanging the columns, or multiplying by constant coefficient, or exchanging the rows of all code words together for the C PUSCH   1  and/or the C PUSCH   2  also can use the extracting method described in the present embodiment; or, the transformed codebook obtained after exchanging the columns, or multiplying by constant coefficient, or exchanging the rows of all code words together for the C PUSCH  also can use the extracting method described in the present embodiment. The code words in the C PUCCH , C PUCCH   1  and C PUCCH   2  also have the corresponding equivalent transformation representing format. 
     Embodiment 7, the C PUCCH  is formed by extracting code words from the Rank4 codebook of the C PUSCH . 
     For example, one kind of method for forming the dual codebooks used by the PUSCH is that: 
     C PUSCH   1  (the codebook corresponding to W 1 ) is formed by m 1  code words; 
               X     (   k   )       ∈     {           [           b       (         N   b     2     ⁢   k     )     ⁢   mod   ⁢           ⁢   N             b       (           N   b     2     ⁢   k     +   1     )     ⁢   mod   ⁢           ⁢   N           …         b       (           N   b     2     ⁢   k     +     N   b     -   1     )     ⁢   mod   ⁢           ⁢   N             ]     :   k     =   0     ,   1   ,   …   ⁢           ,       m   1     -   1       }                         ⁢         W   1     (   k   )       =     [           X     (   k   )           0           0         X     (   k   )             ]       ,     
     ⁢           ⁢       C   1     =     {       W   1     (   0   )       ,     W   1     (   1   )       ,     W   1     (   2   )       ,   …   ⁢           ,     W   1     (       2   ⁢     N   /     N   b         -   1     )         }               
wherein,
 
                 m   1     =       2   ⁢   N       N   b         ,         
and N b  is the number of columns of the matrix X (k) , b i  is a vector, for example, it typically is the DPT vector (but not limited to this case), there are n basic vectors b 0 ˜b N-1  altogether; if b i  is a DFT vector varying with each other, described as:
 
     
       
         
           
             
               B 
               = 
               
                 [ 
                 
                   
                     
                       
                         b 
                         0 
                       
                     
                     
                       
                         b 
                         1 
                       
                     
                     
                       … 
                     
                     
                       
                         b 
                         
                           N 
                           - 
                           1 
                         
                       
                     
                   
                 
                 ] 
               
             
             , 
             
               
 
             
             ⁢ 
             
               
                 
                   [ 
                   B 
                   ] 
                 
                 
                   
                     1 
                     + 
                     m 
                   
                   , 
                   
                     1 
                     + 
                     n 
                   
                 
               
               = 
               
                 ⅇ 
                 
                   j 
                   ⁢ 
                   
                     
                       2 
                       ⁢ 
                       π 
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       mn 
                     
                     N 
                   
                 
               
             
             , 
             
               
 
             
             ⁢ 
             
               m 
               = 
               0 
             
             , 
             1 
             , 
             … 
             ⁢ 
             
                 
             
             , 
             
               
                 
                   N 
                   tx 
                 
                 2 
               
               - 
               1 
             
           
         
       
       
         
           
             
               n 
               = 
               0 
             
             , 
             1 
             , 
             … 
             ⁢ 
             
                 
             
             , 
             
               N 
               - 
               1 
             
             , 
           
         
       
     
     wherein, N tx  is a parameter related to the vector dimension, and usually indicates the number of the transmitting antennas. 
     Supposing N tx =8, N b =8 and N=32, then the 
             16   ⁢     (       m   1     =         2   ⁢   N       N   b       =   8       )           
code words contained by the C PUSCH   1  are:
 
     
       
         
           
             
                 
             
             ⁢ 
             
               
                 
                   W 
                   1 
                   
                     ( 
                     k 
                     ) 
                   
                 
                 = 
                 
                   [ 
                   
                     
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                       
                         0 
                       
                     
                     
                       
                         0 
                       
                       
                         
                           X 
                           
                             ( 
                             k 
                             ) 
                           
                         
                       
                     
                   
                   ] 
                 
               
               , 
               
                 
 
               
               ⁢ 
               
                   
               
               ⁢ 
               
                 
                   C 
                   1 
                 
                 = 
                 
                   { 
                   
                     
                       W 
                       1 
                       
                         ( 
                         0 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         1 
                         ) 
                       
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         2 
                         ) 
                       
                     
                     , 
                     … 
                     ⁢ 
                     
                         
                     
                     , 
                     
                       W 
                       1 
                       
                         ( 
                         7 
                         ) 
                       
                     
                   
                   } 
                 
               
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 0 
                 ) 
               
             
             = 
             
               
                 
                   [ 
                   
                     
                       
                         
                           b 
                           0 
                         
                       
                       
                         
                           b 
                           1 
                         
                       
                       
                         … 
                       
                       
                         
                           b 
                           7 
                         
                       
                     
                   
                   ] 
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   X 
                   
                     ( 
                     1 
                     ) 
                   
                 
               
               = 
               
                 
                   
                     [ 
                     
                       
                         
                           
                             b 
                             4 
                           
                         
                         
                           
                             b 
                             6 
                           
                         
                         
                           … 
                         
                         
                           
                             b 
                             11 
                           
                         
                       
                     
                     ] 
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     X 
                     
                       ( 
                       2 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               b 
                               8 
                             
                           
                           
                             
                               b 
                               9 
                             
                           
                           
                             … 
                           
                           
                             
                               b 
                               15 
                             
                           
                         
                       
                       ] 
                     
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     … 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     … 
                     ⁢ 
                     
                         
                     
                     ⁢ 
                     
                       X 
                       
                         ( 
                         6 
                         ) 
                       
                     
                   
                   = 
                   
                     
                       
                         [ 
                         
                           
                             
                               
                                 b 
                                 24 
                               
                             
                             
                               
                                 b 
                                 25 
                               
                             
                             
                               … 
                             
                             
                               
                                 b 
                                 31 
                               
                             
                           
                         
                         ] 
                       
                       ⁢ 
                       
                           
                       
                       ⁢ 
                       
                         X 
                         
                           ( 
                           7 
                           ) 
                         
                       
                     
                     = 
                     
                       [ 
                       
                         
                           
                             
                               b 
                               28 
                             
                           
                           
                             
                               b 
                               29 
                             
                           
                           
                             … 
                           
                           
                             
                               b 
                               3 
                             
                           
                         
                       
                       ] 
                     
                   
                 
               
             
           
         
       
     
     If N tx =8 and N b =8 and N=16, then the 
             4   ⁢     (       m   1     =         2   ⁢   N       N   b       =   4       )           
code words contained by the C PUSCH   1  are:
 
     
       
         
           
             
               
                 W 
                 1 
                 
                   ( 
                   k 
                   ) 
                 
               
               = 
               
                 [ 
                 
                   
                     
                       
                         X 
                         
                           ( 
                           k 
                           ) 
                         
                       
                     
                     
                       0 
                     
                   
                   
                     
                       0 
                     
                     
                       
                         X 
                         
                           ( 
                           k 
                           ) 
                         
                       
                     
                   
                 
                 ] 
               
             
             , 
             
               
 
             
             ⁢ 
             
               
                 C 
                 1 
               
               = 
               
                 { 
                 
                   
                     W 
                     1 
                     
                       ( 
                       0 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       1 
                       ) 
                     
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       2 
                       ) 
                     
                   
                   , 
                   … 
                   ⁢ 
                   
                       
                   
                   , 
                   
                     W 
                     1 
                     
                       ( 
                       3 
                       ) 
                     
                   
                 
                 } 
               
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 0 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       0 
                     
                   
                   
                     
                       b 
                       1 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       7 
                     
                   
                 
               
               ] 
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 1 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       4 
                     
                   
                   
                     
                       b 
                       6 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       11 
                     
                   
                 
               
               ] 
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 2 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       8 
                     
                   
                   
                     
                       b 
                       9 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       15 
                     
                   
                 
               
               ] 
             
           
         
       
       
         
           
             
               X 
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               [ 
               
                 
                   
                     
                       b 
                       12 
                     
                   
                   
                     
                       b 
                       13 
                     
                   
                   
                     … 
                   
                   
                     
                       b 
                       3 
                     
                   
                 
               
               ] 
             
           
         
       
     
     C PUSCH   2  (the codebook corresponding to W 2 ) is formed by m 2  code words, for example, for Rank4, the 8 code words contained therein are: 
     
       
         
           
             
               
                 W 
                 2 
               
               ∈ 
               
                 C 
                 2 
               
             
             = 
             
               { 
               
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                         
                           Y 
                         
                       
                       
                         
                           Y 
                         
                         
                           
                             - 
                             Y 
                           
                         
                       
                     
                     ] 
                   
                 
                 , 
                 
                   
                     1 
                     
                       2 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           Y 
                         
                         
                           Y 
                         
                       
                       
                         
                           
                             j 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             Y 
                           
                         
                         
                           
                             
                               - 
                               j 
                             
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             Y 
                           
                         
                       
                     
                     ] 
                   
                 
               
               } 
             
           
         
       
       
         
           
             Y 
             ∈ 
             
               { 
               
                 
                   [ 
                   
                     
                       
                         
                           e 
                           1 
                         
                       
                       
                         
                           e 
                           5 
                         
                       
                     
                   
                   ] 
                 
                 , 
                 
                   [ 
                   
                     
                       
                         
                           e 
                           2 
                         
                       
                       
                         
                           e 
                           6 
                         
                       
                     
                   
                   ] 
                 
                 , 
                 
                   [ 
                   
                     
                       
                         
                           e 
                           3 
                         
                       
                       
                         
                           e 
                           7 
                         
                       
                     
                   
                   ] 
                 
                 , 
                 
                   [ 
                   
                     
                       
                         
                           e 
                           4 
                         
                       
                       
                         
                           e 
                           8 
                         
                       
                     
                   
                   ] 
                 
               
               } 
             
           
         
       
     
     wherein, {tilde over (e)} i  is a vector of 
                   N   tx     2     ×   1     ,         
the i th  element is 1, and other elements are 0, which actually is one column-selected vector.
 
     Extracting Mode 1: 
     extracting the code words from the C PUSCH   2  to form the C PUCCH   2  can be in any method; and extracting the code words from the C PUSCH   1  to form the C PUCCH   1  can be extracting part or all code words of the code words W 1   (0)  W 1   (2)  W 1   (4)  W 1   (6)  . . . W 1   (2N/N     b     −2)  with the Index being even or the code words W 1   (1)  W 1   (3)  W 1   (5)  W 1   (7)  . . . W 1   (2N/N     b     −1)  with the Index being odd. That is to say, the extracting methods under Rank1, Rank2 and Rank3 described in above embodiments are also applied to Rank4. 
     Extracting Mode 2: extracting the code words from the C PUSCH   1  to form the C PUCCH   1  can be in any method; and extracting the code words from the C PUSCH   2  to form the C PUCCH   2  can be extracting the following code words: 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   1 
                   
                     2 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         Y 
                       
                       
                         Y 
                       
                     
                     
                       
                         Y 
                       
                       
                         
                           - 
                           
                             Y 
                             
                                 
                             
                           
                         
                       
                     
                   
                   ] 
                 
               
               } 
             
           
         
       
       
         
           
             Y 
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         [ 
                         
                           
                             
                               
                                 e 
                                 1 
                               
                             
                             
                               
                                 e 
                                 5 
                               
                             
                           
                         
                         ] 
                       
                       , 
                       
                         [ 
                         
                           
                             
                               
                                 e 
                                 2 
                               
                             
                             
                               
                                 e 
                                 6 
                               
                             
                           
                         
                         ] 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         [ 
                         
                           
                             
                               
                                 e 
                                 3 
                               
                             
                             
                               
                                 e 
                                 7 
                               
                             
                           
                         
                         ] 
                       
                       , 
                       
                         [ 
                         
                           
                             
                               
                                 e 
                                 4 
                               
                             
                             
                               
                                 e 
                                 8 
                               
                             
                           
                         
                         ] 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               C 
               PUCCH 
               2 
             
             = 
             
               { 
               
                 
                   1 
                   
                     2 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         Y 
                       
                       
                         Y 
                       
                     
                     
                       
                         jY 
                       
                       
                         
                           - 
                           
                             jY 
                             
                                 
                             
                           
                         
                       
                     
                   
                   ] 
                 
               
               } 
             
           
         
       
       
         
           
             Y 
             ∈ 
             
               { 
               
                 
                   
                     
                       
                         [ 
                         
                           
                             
                               
                                 e 
                                 1 
                               
                             
                             
                               
                                 e 
                                 5 
                               
                             
                           
                         
                         ] 
                       
                       , 
                       
                         [ 
                         
                           
                             
                               
                                 e 
                                 2 
                               
                             
                             
                               
                                 e 
                                 6 
                               
                             
                           
                         
                         ] 
                       
                       , 
                     
                   
                 
                 
                   
                     
                       
                         [ 
                         
                           
                             
                               
                                 e 
                                 3 
                               
                             
                             
                               
                                 e 
                                 7 
                               
                             
                           
                         
                         ] 
                       
                       , 
                       
                         [ 
                         
                           
                             
                               
                                 e 
                                 4 
                               
                             
                             
                               
                                 e 
                                 8 
                               
                             
                           
                         
                         ] 
                       
                     
                   
                 
               
               } 
             
           
         
       
     
     or, 
     
       
         
           
             
               
                 C 
                 PUCCH 
                 2 
               
               = 
               
                 { 
                 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             Y 
                           
                           
                             Y 
                           
                         
                         
                           
                             Y 
                           
                           
                             
                               - 
                               Y 
                             
                           
                         
                       
                       ] 
                     
                   
                   , 
                   
                     
                       1 
                       
                         2 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             Y 
                           
                           
                             Y 
                           
                         
                         
                           
                             
                               j 
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               Y 
                             
                           
                           
                             
                               
                                 - 
                                 j 
                               
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               Y 
                             
                           
                         
                       
                       ] 
                     
                   
                 
                 } 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             Y 
             ∈ 
             
               
                 { 
                 
                   
                     [ 
                     
                       
                         
                           
                             e 
                             1 
                           
                         
                         
                           
                             e 
                             5 
                           
                         
                       
                     
                     ] 
                   
                   , 
                   
                     [ 
                     
                       
                         
                           
                             e 
                             3 
                           
                         
                         
                           
                             e 
                             7 
                           
                         
                       
                     
                     ] 
                   
                 
                 } 
               
               . 
             
           
         
       
     
     The transformed codebook obtained after exchanging the columns or multiplying by constant coefficient or exchanging the rows of all code words together for the C PUSCH   1  and/or the C PUSCH   2  also can use the extracting method described in the present embodiment; or, the transformed codebook obtained after exchanging the columns or multiplying by constant coefficient or exchanging the rows of all code words together for the C PUSCH  also can use the extracting method described in the present embodiment. The code words in the C PUCCH , C PUCCH   1  and C PUCCH   2  also have the corresponding equivalent transformation representing format. 
     Embodiment 8, the C PUCCH  is formed by extracting code words from the Rank5-7 codebooks of the C PUSCH . 
     For example, one kind of the dual codebooks used by the PUSCH is that: 
     
       
         
           
               
            
               
                   
               
               
                 φ n  = e jπn/2   
               
               
                 v m  = [1 e j2πm/32  e j4πm/32  e j6πm/32 ] T   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
               
                 i 1   
                 0 
               
               
                   
               
            
           
           
               
            
               
                 Rank5 
               
            
           
           
               
               
            
               
                 0-3 
                 
                   
                     
                       
                         
                           W 
                           
                             i 
                             1 
                           
                           
                             ( 
                             5 
                             ) 
                           
                         
                         = 
                         
                           
                             1 
                             
                               40 
                             
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         
                                           2 
                                           ⁢ 
                                           
                                             i 
                                             1 
                                           
                                         
                                         + 
                                         8 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                       
                     
                   
                 
               
               
                   
               
            
           
           
               
            
               
                 Rank6 
               
            
           
           
               
               
            
               
                 0-3 
                 
                   
                     
                       
                         
                           W 
                           
                             i 
                             1 
                           
                           
                             ( 
                             6 
                             ) 
                           
                         
                         = 
                         
                           
                             1 
                             
                               48 
                             
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         
                                           2 
                                           ⁢ 
                                           
                                             i 
                                             1 
                                           
                                         
                                         + 
                                         8 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         
                                           2 
                                           ⁢ 
                                           
                                             i 
                                             1 
                                           
                                         
                                         + 
                                         16 
                                       
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                       
                     
                   
                 
               
               
                   
               
            
           
           
               
            
               
                 Rank7 
               
            
           
           
               
               
            
               
                 0-3 
                 
                   
                     
                       
                         
                           W 
                           
                             i 
                             1 
                           
                           
                             ( 
                             7 
                             ) 
                           
                         
                         = 
                         
                           
                             1 
                             
                               56 
                             
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       24 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         
                                           2 
                                           ⁢ 
                                           
                                             i 
                                             1 
                                           
                                         
                                         + 
                                         8 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         
                                           2 
                                           ⁢ 
                                           
                                             i 
                                             1 
                                           
                                         
                                         + 
                                         16 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       24 
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                       
                     
                   
                 
               
               
                   
               
            
           
         
       
     
     The PUCCH codebook extracted to use is: 
     
       
         
           
               
            
               
                   
               
               
                 φ n  = e jπn/2   
               
               
                 v m  = [1 e j2πm/32  e j4πm/32  e j6πm/32 ] T   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
               
                 i 1   
                 0 
               
               
                   
               
            
           
           
               
            
               
                 Rank5 
               
            
           
           
               
               
            
               
                 0, 2 
                 
                   
                     
                       
                         
                           W 
                           
                             i 
                             1 
                           
                           
                             ( 
                             5 
                             ) 
                           
                         
                         = 
                         
                           
                             1 
                             
                               40 
                             
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         
                                           2 
                                           ⁢ 
                                           
                                             i 
                                             1 
                                           
                                         
                                         + 
                                         8 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                       
                     
                   
                 
               
               
                   
               
            
           
           
               
            
               
                 Rank6 
               
            
           
           
               
               
            
               
                 0, 2 
                 
                   
                     
                       
                         
                           W 
                           
                             i 
                             1 
                           
                           
                             ( 
                             6 
                             ) 
                           
                         
                         = 
                         
                           
                             1 
                             
                               48 
                             
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         
                                           2 
                                           ⁢ 
                                           
                                             i 
                                             1 
                                           
                                         
                                         + 
                                         8 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         
                                           2 
                                           ⁢ 
                                           
                                             i 
                                             1 
                                           
                                         
                                         + 
                                         16 
                                       
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                       
                     
                   
                 
               
               
                   
               
            
           
           
               
            
               
                 Rank7 
               
            
           
           
               
               
            
               
                 0, 2 
                 
                   
                     
                       
                         
                           W 
                           
                             i 
                             1 
                           
                           
                             ( 
                             7 
                             ) 
                           
                         
                         = 
                         
                           
                             1 
                             
                               56 
                             
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       24 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     v 
                                     
                                       2 
                                       ⁢ 
                                       
                                         i 
                                         1 
                                       
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       8 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         
                                           2 
                                           ⁢ 
                                           
                                             i 
                                             1 
                                           
                                         
                                         + 
                                         8 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       16 
                                     
                                   
                                 
                                 
                                   
                                     - 
                                     
                                       v 
                                       
                                         
                                           2 
                                           ⁢ 
                                           
                                             i 
                                             1 
                                           
                                         
                                         + 
                                         16 
                                       
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       
                                         2 
                                         ⁢ 
                                         
                                           i 
                                           1 
                                         
                                       
                                       + 
                                       24 
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                       
                     
                   
                 
               
               
                   
               
            
           
         
       
     
     If the code words in the C PUSCH  meet the model in each above-mentioned method after finishing the equivalence transformation (exchanging the columns, multiplying by constant coefficient, or exchanging the rows of all code words together), the C PUCCH  can be formed according to the similar method provided in method 2 to method 5. The code words in the C PUCCH  also have the corresponding equivalence transformation format. 
     Embodiment 9 
     One single codebook equivalent to the dual codebooks of the C PUSCH  Rank1 is that: 
     
       
         
           
               
               
             
               
                   
               
             
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 0 
                 1 
                 2 
                 3 
                 4 
                 5 
                 6 
                 7 
               
               
                   
               
               
                 0-15 
                 W 2i     1     ,0   (1)   
                 W 2i     1     ,1   (1)   
                 W 2i     1     ,2   (1)   
                 W 2i     1     ,3   (1)   
                 W 2i     1     +1,0   (1)   
                 W 2i     1     +1,1   (1)   
                 W 2i     1     +1,2   (1)   
                 W 2i     1     +1,3   (1)   
               
               
                   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 8 
                 9 
                 10 
                 11 
                 12 
                 13 
                 14 
                 15 
               
               
                   
               
               
                 0-15 
                 W 2i     1     +2,0   (1)   
                 W 2i     1     +2,1   (1)   
                 W 2i     1     +2,2   (1)   
                 W 2i     1     +2,3   (1)   
                 W 2i     1     +3,0   (1)   
                 W 2i     1     +3,1   (1)   
                 W 2i     1     +3,2   (1)   
                 W 2i     1     +3,3   (1)   
               
               
                   
               
               
                           where   ⁢           ⁢     W     m   ,   n       (   1   )         =       1     8       ⁡     [           v   m                 φ   n     ⁢     v   m             ]           
wherein, 
               
               
                 φ n  = e jπn/2   
               
               
                 v m  = [1 e j2πm/32  e j4πm/32  e j6πm/32 ] T   
               
            
           
         
       
     
     W m,n   (1)  is one matrix which needs to be determined by the values of m and n, m and n are integers, and m and n are related with the first index i 1  and second index i 2  which need to be fed back. This codebook is equivalent to the Rank1 codebook in the embodiments 2, 3 and 4, and the difference lies in that the C PUSCH  Rank1 codebook in the embodiments 2, 3 and 4 define 2 codebooks and one function relation. And what the present embodiment defines is a single codebook equivalent to the dual codebooks. But no matter which kind of format it is, these two modes are equivalent, and the codebook can be defined in any mode, and there are 2 the fed back indexes in either mode. i 1  can be regarded as the fed back index corresponding to the codebook C 1  in embodiments 2, 3 and 4, and can be regarded as the fed back index corresponding to the codebook C 2  in embodiments 2, 3 and 4. 
     Since the C PUSCH s in embodiments 2, 3 and 4 are equivalent to the codebook in the present embodiment, and the difference only lies in that it is implemented by using the dual codebooks in the embodiments 2, 3 and 4, while in the present embodiment, it is the feedback mode of the single codebook equivalent to the dual codebooks, but the ideas of extracting the codebook to form the C PUCCH  are totally the same. So the methods described by the above embodiments are all applied to the C PUSCH  in the present embodiment. 
     In addition, it can be obtained easily about how to perform the code work extracting for the i 1  and/or perform the code work extracting for the i 2 , according to the description of how to extract the C PUCCH   1  from the C PUSCH   1  and/or how to extract the C PUCCH   2  from the C PUSCH   2  in embodiments 2, 3 and 4. 
     Since there are many contents about embodiments 2, 3 and 4, here they will not be described in detail, and it is only illustrated by taking part of the extracting methods therein as an example. 
     Following code words can be selected to form the C PUCCH  (corresponding to the idea of embodiment 2, no repetitive code words are contained after extracting): 
     
       
         
           
               
               
            
               
                   
                   
               
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 0 
                 1 
                 2 
                 3 
                 4 
                 5 
                 6 
                 7 
               
               
                   
               
               
                 0-15 
                 W 2i     1     ,0   (1)   
                 W 2i     1     ,1   (1)   
                 W 2i     1     ,2   (1)   
                 W 2i     1     ,3   (1)   
                 W 2i     1     +1.0   (1)   
                 W 2i     1     +1.1   (1)   
                 W 2i     1     +1.2   (1)   
                 W 2i     1     +1.3   (1)   
               
               
                   
               
            
           
         
       
     
     that is, all or part of the code words in all the code words corresponding to i 1 =0˜15 and i 2 =0˜7. 
     Or selecting all or part of the code words in 
     
       
         
           
               
               
             
               
                   
               
               
                 i 1   
                 i 2   
               
               
                   
               
             
            
               
                   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                   
                 0 
                 1 
                 2 
                 3 
                 4 
                 5 
                 6 
                 7 
               
               
                   
               
               
                 0, 2, 4, 6, 8, 10, 12, 14 
                 W 2i     1     ,0   (1)   
                 W 2i     1     ,1   (1)   
                 W 2i     1     ,2   (1)   
                 W 2i     1     ,3   (1)   
                 W 2i     1     +1.0   (1)   
                 W 2i     1     +1.1   (1)   
                 W 2i     1     +1.2   (1)   
                 W 2i     1     +1.3   (1)   
               
               
                   
               
               
                   
                 8 
                 9 
                 10 
                 11 
                 12 
                 13 
                 14 
                 15 
               
               
                   
               
               
                   
                 W 2i     1     +2.0   (1)   
                 W 2i     1     +2.1   (1)   
                 W 2i     1     +2.2   (1)   
                 W 2i     1     +2.3   (1)   
                 W 2i     1     +3.0   (1)   
                 W 2i     1     +3.1   (1)   
                 W 2i     1     +3.2   (1)   
                 W 2i     1     +3.3   (1)   
               
               
                   
               
            
           
         
       
     
     That is, all the code words corresponding to i 1 =0, 2, 4, 6, 8 . . . 14 and i 2 =0˜15. 
     The essences of the methods for extracting the code word described by two above-mentioned methods are the same, which are just two kinds of different implementation methods, and more specifically, it can be represented as extracting all or part of the code words from the following 128 code words: 
     W 0,0   (1)  . . . W 0,3   (1) , W 1,0   (1)  . . . W 1,3   (1) , . . . , W 31,0   (1)  . . . W 31,3   (1)    
     and also less code words can be selected to form the codebook: 
     
       
         
           
             
               
                 ⋃ 
                 
                   k 
                   = 
                   0 
                 
               
               3 
             
             ⁢ 
             
               { 
               
                 
                   
                     
                       [ 
                       
                         
                           
                             
                               v 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                         
                         
                           
                             
                               v 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 0 
                               
                             
                           
                         
                       
                       ] 
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 2 
                               
                             
                           
                         
                         
                           
                             
                               j 
                               ⁢ 
                               
                                   
                               
                               ⁢ 
                               
                                 v 
                                 
                                   
                                     8 
                                     ⁢ 
                                     k 
                                   
                                   + 
                                   2 
                                 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               4 
                             
                           
                         
                       
                       
                         
                           
                             - 
                             
                               v 
                               
                                 
                                   8 
                                   ⁢ 
                                   k 
                                 
                                 + 
                                 4 
                               
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           
                             
                               8 
                               ⁢ 
                               k 
                             
                             + 
                             6 
                           
                         
                       
                     
                     
                       
                         
                           j 
                           ⁢ 
                           
                               
                           
                           ⁢ 
                           
                             v 
                             
                               
                                 8 
                                 ⁢ 
                                 k 
                               
                               + 
                               6 
                             
                           
                         
                       
                     
                   
                   ] 
                 
               
               } 
             
           
         
       
     
     that is the following 16 code words: 
     
       
         
           
             
               W 
               
                 0 
                 , 
                 0 
               
               
                 ( 
                 1 
                 ) 
               
             
             = 
             
               
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             0 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               0 
                             
                             ⁢ 
                             
                               v 
                               0 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   W 
                   
                     2 
                     , 
                     1 
                   
                   
                     ( 
                     1 
                     ) 
                   
                 
               
               = 
               
                 
                   
                     
                       1 
                       
                         8 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               2 
                             
                           
                         
                         
                           
                             
                               
                                 ϕ 
                                 1 
                               
                               ⁢ 
                               
                                 v 
                                 2 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     W 
                     
                       4 
                       , 
                       2 
                     
                     
                       ( 
                       1 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             4 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               2 
                             
                             ⁢ 
                             
                               v 
                               4 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
             
           
         
       
       
         
           
             
               W 
               
                 6 
                 , 
                 3 
               
               
                 ( 
                 1 
                 ) 
               
             
             = 
             
               
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             6 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               3 
                             
                             ⁢ 
                             
                               v 
                               6 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   W 
                   
                     8 
                     , 
                     0 
                   
                   
                     ( 
                     1 
                     ) 
                   
                 
               
               = 
               
                 
                   
                     
                       1 
                       
                         8 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               8 
                             
                           
                         
                         
                           
                             
                               
                                 ϕ 
                                 0 
                               
                               ⁢ 
                               
                                 v 
                                 8 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     W 
                     
                       10 
                       , 
                       1 
                     
                     
                       ( 
                       1 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             10 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               1 
                             
                             ⁢ 
                             
                               v 
                               10 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
             
           
         
       
       
         
           
             
               W 
               
                 12 
                 , 
                 2 
               
               
                 ( 
                 1 
                 ) 
               
             
             = 
             
               
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             12 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               2 
                             
                             ⁢ 
                             
                               v 
                               12 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   W 
                   
                     14 
                     , 
                     3 
                   
                   
                     ( 
                     1 
                     ) 
                   
                 
               
               = 
               
                 
                   
                     
                       1 
                       
                         8 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               14 
                             
                           
                         
                         
                           
                             
                               
                                 ϕ 
                                 3 
                               
                               ⁢ 
                               
                                 v 
                                 14 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     W 
                     
                       16 
                       , 
                       0 
                     
                     
                       ( 
                       1 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             16 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               0 
                             
                             ⁢ 
                             
                               v 
                               16 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
             
           
         
       
       
         
           
             
               W 
               
                 18 
                 , 
                 1 
               
               
                 ( 
                 1 
                 ) 
               
             
             = 
             
               
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             18 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               1 
                             
                             ⁢ 
                             
                               v 
                               18 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   W 
                   
                     20 
                     , 
                     2 
                   
                   
                     ( 
                     1 
                     ) 
                   
                 
               
               = 
               
                 
                   
                     
                       1 
                       
                         8 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               20 
                             
                           
                         
                         
                           
                             
                               
                                 ϕ 
                                 2 
                               
                               ⁢ 
                               
                                 v 
                                 20 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     W 
                     
                       22 
                       , 
                       3 
                     
                     
                       ( 
                       1 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             22 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               3 
                             
                             ⁢ 
                             
                               v 
                               22 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
             
           
         
       
       
         
           
             
               W 
               
                 24 
                 , 
                 0 
               
               
                 ( 
                 1 
                 ) 
               
             
             = 
             
               
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             24 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               0 
                             
                             ⁢ 
                             
                               v 
                               24 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   W 
                   
                     26 
                     , 
                     1 
                   
                   
                     ( 
                     1 
                     ) 
                   
                 
               
               = 
               
                 
                   
                     
                       1 
                       
                         8 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               26 
                             
                           
                         
                         
                           
                             
                               
                                 ϕ 
                                 1 
                               
                               ⁢ 
                               
                                 v 
                                 26 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     W 
                     
                       28 
                       , 
                       2 
                     
                     
                       ( 
                       1 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             28 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               2 
                             
                             ⁢ 
                             
                               v 
                               28 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
             
           
         
       
       
         
           
             
               W 
               
                 30 
                 , 
                 3 
               
               
                 ( 
                 1 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         30 
                       
                     
                   
                   
                     
                       
                         
                           ϕ 
                           3 
                         
                         ⁢ 
                         
                           v 
                           30 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
     
     It can be found that it is responding to the idea when N=32, 
                 C   PUCCH     =         ⋃     k   =   0       3     ⁢     {           [           b       8   ⁢   k     +   0                 b       8   ⁢   k     +   0             ]     ⁡     [           b       8   ⁢   k     +   2                 j   ⁢           ⁢     b       8   ⁢   k     +   2               ]       ⁡     [           b       8   ⁢   k     +   4                 -     b       8   ⁢   k     +   4               ]       ⁡     [           b       8   ⁢   k     +   6                 j   ⁢           ⁢     b       8   ⁢   k     +   6               ]       }         ,         
described in embodiment 3.
 
     If the code words in the C PUSCH  meet the model in each above-mentioned method after finishing the equivalence transformation (exchanging the columns, multiplying by constant coefficient or exchanging the rows of all code words together), the C PUCCH  can be formed according to the similar methods provided in method 2 to method 5. The code words in the C PUCCH  also have the corresponding equivalence transformation format. 
     Embodiment 10 
     The Rank2 codebook in embodiment 5 can be represented by the following single codebook equivalent to the dual codebooks: 
     
       
         
           
               
               
             
               
                   
               
             
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 0 
                 1 
                 2 
                 3 
                 4 
                 5 
                 6 
                 7 
               
               
                   
               
               
                 0-15 
                 W 2i     1     ,2i     1     ,0   (2)   
                 W 2i     1     ,2i     1     ,1   (2)   
                 W 2i     1     ,2i     1     +1,0   (2)   
                 W 2i     1     ,2i     1     +1,1   (2)   
                 W 2i     1     +2,2i     1     +2,0   (2)   
                 W 2i     1     +2,2i     1     +2,1   (2)   
                 W 2i     1     +3,2i     1     +3,0   (2)   
                 W 2i     1     +3,2i     1     +3,1   (2)   
               
               
                   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 8 
                 9 
                 10 
                 11 
                 12 
                 13 
                 14 
                 15 
               
               
                   
               
               
                 0-15 
                 W 2i     1     ,2i     1     +1,0   (2)   
                 W 2i     1     ,2i     1     +1,1   (2)   
                 W 2i     1     +1,2i     1     +2,0   (2)   
                 W 2i     1     +1,2i     1     +2,1   (2)   
                 W 2i     1     ,2i     1     +3,0   (2)   
                 W 2i     1     ,2i     1     +3,1   (2)   
                 W 2i     1     +1,2i     1     +3,0   (2)   
                 W 2i     1     +1,2i     1     +3,1   (2)   
               
               
                   
               
               
                           W     m   ,     m   ′     ,   n       (   2   )       =       1   4     ⁡     [           v   m           v     m   ′                   φ   n     ⁢     v   m               -     φ   n       ⁢     v     m   ′               ]           
wherein, 
               
               
                 φ n  = e jπn/2   
               
               
                 v m  = [1 e j2πm/32  e j4πm/32 +e j6πm/32 ] T   
               
            
           
         
       
     
     W m,m′,n   (2)  is one matrix which needs to be determined by the values of m, m′, n, and these parameters are related to the first index i 1  and second index i 2  needing to be fed back. This is equivalent to the Rank2 codebook in the embodiment 5, and the difference lies in that the C PUSCH  Rank2 codebook in the embodiment 5 defines 2 codebooks and a function relation. And what the present embodiment defines is a single codebook format equivalent to the dual codebooks. But no matter which kind of format it is, these two modes are equivalent, and the codebook can be defined in any mode, and there are 2 fed back indexes in either mode. i 1  can be regarded as the fed back index corresponding to the codebook C 1  in embodiment 5, and i 2  can be regarded as the fed back index corresponding to the codebook C 2  in embodiment 5. 
     Since the C PUSCH  in embodiment 5 is equivalent to the codebook in the present embodiment, and the difference only lies in that it is implemented by using the dual codebooks in the embodiment 5, while in the present embodiment, it is the feedback mode of the single codebook equivalent to the dual codebooks, but the ideas of extracting the codebook to form in the C PUCCH  are totally the same. So the methods described by the above embodiments are all applied to the C PUSCH  in the present embodiment. 
     In addition, it can be obtained easily about how to perform the code work extracting for the i 1  and/or perform the code work extracting for the i 2 , according to the description of how to extract the C PUCCH   1  from the C PUSCH   1  and/or how to extract the C PUCCH   2  from the C PUSCH   2  in embodiment 5. 
     Since there are many contents about embodiment 5, here they will not be described in detail again, and it is only illustrated by taking part of the extracting methods therein as an example. 
     All or part of the following code words can be selected to form the C PUCCH  (corresponding to the idea of embodiment 5, no repetitive code words are contained after extracting): 
     
       
         
           
               
               
             
               
                   
               
             
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 0 
                 1 
                 2 
                 3 
                 4 
                 5 
                 6 
                 7 
               
               
                   
               
               
                 0, 2, 4, 6, 8, 
                 W 2i     1     ,2i     1     ,0   (2)   
                 W 2i     1     ,2i     1     ,1   (2)   
                 W 2i     1     +1,2i     1     +1,0   (2)   
                 W 2i     1     +1,2i     1     +1,1   (2)   
                 W 2i     1     +2,2i     1     +2,0   (2)   
                 W 2i     1     +2,2i     1     +2,1   (2)   
                 W 2i     1     +3,2i     1     +3,0   (2)   
                 W 2i     1     +3,2i     1     +3,1   (2)   
               
               
                 10, 12, 14 
               
               
                   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 8 
                 9 
                 10 
                 11 
                 12 
                 13 
                 14 
                 15 
               
               
                   
               
               
                 0, 2, 4, 6, 8, 
                 W 2i     1     ,2i     1     +1,0   (2)   
                 W 2i     1     ,2i     1     +1,1   (2)   
                 W 2i     1     +1,2i     1     +2,0   (2)   
                 W 2i     1     +1,2i     1     +2,1   (2)   
                 W 2i     1     ,2i     1     +3,0   (2)   
                 W 2i     1     ,2i     1     +3,1   (2)   
                 W 2i     1     +1,2i     1     +3,0   (2)   
                 W 2i     1     +1,2i     1     +3,1   (2)   
               
               
                 10, 12, 14 
               
               
                   
               
               
                 
                   
                     
                       
                         
                           W 
                           
                             m 
                             , 
                             
                               m 
                               ′ 
                             
                             , 
                             n 
                           
                           
                             ( 
                             2 
                             ) 
                           
                         
                         = 
                         
                           
                             1 
                             4 
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     v 
                                     m 
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       m 
                                       ′ 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     
                                       φ 
                                       n 
                                     
                                     ⁢ 
                                     
                                       v 
                                       m 
                                     
                                   
                                 
                                 
                                   
                                     
                                       - 
                                       
                                         φ 
                                         n 
                                       
                                     
                                     ⁢ 
                                     
                                       v 
                                       
                                         m 
                                         ′ 
                                       
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                       
                     
                   
                 
               
            
           
         
       
     
     That is, the code words corresponding to i 1 =0, 2, 4, 6, 8 . . . 14 and i 2 =0˜15. 
     If the overhead is further reduced, it can be the following 16 code words: 
     
       
         
           
             
               
                 W 
                 
                   0 
                   , 
                   0 
                   , 
                   0 
                 
                 
                   ( 
                   2 
                   ) 
                 
               
               = 
               
                 
                   
                     
                       1 
                       
                         8 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               0 
                             
                           
                           
                             
                               v 
                               0 
                             
                           
                         
                         
                           
                             
                               
                                 ϕ 
                                 0 
                               
                               ⁢ 
                               
                                 v 
                                 0 
                               
                             
                           
                           
                             
                               
                                 ϕ 
                                 2 
                               
                               ⁢ 
                               
                                 v 
                                 0 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     W 
                     
                       2 
                       , 
                       2 
                       , 
                       1 
                     
                     
                       ( 
                       2 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             2 
                           
                         
                         
                           
                             v 
                             2 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               1 
                             
                             ⁢ 
                             
                               v 
                               2 
                             
                           
                         
                         
                           
                             
                               ϕ 
                               3 
                             
                             ⁢ 
                             
                               v 
                               2 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 W 
                 
                   4 
                   , 
                   4 
                   , 
                   2 
                 
                 
                   ( 
                   2 
                   ) 
                 
               
               = 
               
                 
                   
                     
                       1 
                       
                         8 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               4 
                             
                           
                           
                             
                               v 
                               4 
                             
                           
                         
                         
                           
                             
                               
                                 ϕ 
                                 2 
                               
                               ⁢ 
                               
                                 v 
                                 4 
                               
                             
                           
                           
                             
                               
                                 ϕ 
                                 0 
                               
                               ⁢ 
                               
                                 v 
                                 4 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     W 
                     
                       6 
                       , 
                       6 
                       , 
                       3 
                     
                     
                       ( 
                       2 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             6 
                           
                         
                         
                           
                             v 
                             6 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               3 
                             
                             ⁢ 
                             
                               v 
                               6 
                             
                           
                         
                         
                           
                             
                               ϕ 
                               1 
                             
                             ⁢ 
                             
                               v 
                               6 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
                 
             
             ⁢ 
             
               
                 W 
                 
                   8 
                   , 
                   8 
                   , 
                   0 
                 
                 
                   ( 
                   2 
                   ) 
                 
               
               = 
               
                 
                   
                     
                       1 
                       
                         8 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               8 
                             
                           
                           
                             
                               v 
                               8 
                             
                           
                         
                         
                           
                             
                               
                                 ϕ 
                                 0 
                               
                               ⁢ 
                               
                                 v 
                                 8 
                               
                             
                           
                           
                             
                               
                                 ϕ 
                                 2 
                               
                               ⁢ 
                               
                                 v 
                                 8 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     W 
                     
                       10 
                       , 
                       10 
                       , 
                       1 
                     
                     
                       ( 
                       2 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             10 
                           
                         
                         
                           
                             v 
                             10 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               1 
                             
                             ⁢ 
                             
                               v 
                               10 
                             
                           
                         
                         
                           
                             
                               ϕ 
                               3 
                             
                             ⁢ 
                             
                               v 
                               10 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
             
           
         
       
       
         
           
             
               
                 W 
                 
                   12 
                   , 
                   12 
                   , 
                   2 
                 
                 
                   ( 
                   2 
                   ) 
                 
               
               = 
               
                 
                   
                     
                       1 
                       
                         8 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               12 
                             
                           
                           
                             
                               v 
                               12 
                             
                           
                         
                         
                           
                             
                               
                                 ϕ 
                                 2 
                               
                               ⁢ 
                               
                                 v 
                                 12 
                               
                             
                           
                           
                             
                               
                                 ϕ 
                                 0 
                               
                               ⁢ 
                               
                                 v 
                                 12 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     W 
                     
                       14 
                       , 
                       14 
                       , 
                       3 
                     
                     
                       ( 
                       2 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             14 
                           
                         
                         
                           
                             v 
                             14 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               3 
                             
                             ⁢ 
                             
                               v 
                               14 
                             
                           
                         
                         
                           
                             
                               ϕ 
                               1 
                             
                             ⁢ 
                             
                               v 
                               14 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               W 
               
                 16 
                 , 
                 16 
                 , 
                 0 
               
               
                 ( 
                 2 
                 ) 
               
             
             = 
             
               
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             16 
                           
                         
                         
                           
                             v 
                             16 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               0 
                             
                             ⁢ 
                             
                               v 
                               16 
                             
                           
                         
                         
                           
                             
                               ϕ 
                               2 
                             
                             ⁢ 
                             
                               v 
                               16 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   W 
                   
                     18 
                     , 
                     18 
                     , 
                     1 
                   
                   
                     ( 
                     2 
                     ) 
                   
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           18 
                         
                       
                       
                         
                           v 
                           18 
                         
                       
                     
                     
                       
                         
                           
                             ϕ 
                             1 
                           
                           ⁢ 
                           
                             v 
                             18 
                           
                         
                       
                       
                         
                           
                             ϕ 
                             3 
                           
                           ⁢ 
                           
                             v 
                             18 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
           
         
       
       
         
           
             
               W 
               
                 20 
                 , 
                 20 
                 , 
                 2 
               
               
                 ( 
                 2 
                 ) 
               
             
             = 
             
               
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             20 
                           
                         
                         
                           
                             v 
                             20 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               2 
                             
                             ⁢ 
                             
                               v 
                               20 
                             
                           
                         
                         
                           
                             
                               ϕ 
                               2 
                             
                             ⁢ 
                             
                               v 
                               20 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   W 
                   
                     22 
                     , 
                     22 
                     , 
                     3 
                   
                   
                     ( 
                     2 
                     ) 
                   
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           22 
                         
                       
                       
                         
                           v 
                           22 
                         
                       
                     
                     
                       
                         
                           
                             ϕ 
                             3 
                           
                           ⁢ 
                           
                             v 
                             22 
                           
                         
                       
                       
                         
                           
                             ϕ 
                             1 
                           
                           ⁢ 
                           
                             v 
                             22 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
           
         
       
       
         
           
             
               
                 W 
                 
                   24 
                   , 
                   24 
                   , 
                   0 
                 
                 
                   ( 
                   2 
                   ) 
                 
               
               = 
               
                 
                   
                     
                       1 
                       
                         8 
                       
                     
                     ⁡ 
                     
                       [ 
                       
                         
                           
                             
                               v 
                               24 
                             
                           
                           
                             
                               v 
                               24 
                             
                           
                         
                         
                           
                             
                               
                                 ϕ 
                                 0 
                               
                               ⁢ 
                               
                                 v 
                                 24 
                               
                             
                           
                           
                             
                               
                                 ϕ 
                                 2 
                               
                               ⁢ 
                               
                                 v 
                                 24 
                               
                             
                           
                         
                       
                       ] 
                     
                   
                   ⁢ 
                   
                       
                   
                   ⁢ 
                   
                     W 
                     
                       26 
                       , 
                       26 
                       , 
                       1 
                     
                     
                       ( 
                       2 
                       ) 
                     
                   
                 
                 = 
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             26 
                           
                         
                         
                           
                             v 
                             26 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               1 
                             
                             ⁢ 
                             
                               v 
                               26 
                             
                           
                         
                         
                           
                             
                               ϕ 
                               3 
                             
                             ⁢ 
                             
                               v 
                               26 
                             
                           
                         
                       
                     
                     ] 
                   
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               W 
               
                 28 
                 , 
                 28 
                 , 
                 2 
               
               
                 ( 
                 2 
                 ) 
               
             
             = 
             
               
                 
                   
                     1 
                     
                       8 
                     
                   
                   ⁡ 
                   
                     [ 
                     
                       
                         
                           
                             v 
                             28 
                           
                         
                         
                           
                             v 
                             28 
                           
                         
                       
                       
                         
                           
                             
                               ϕ 
                               2 
                             
                             ⁢ 
                             
                               v 
                               28 
                             
                           
                         
                         
                           
                             
                               ϕ 
                               0 
                             
                             ⁢ 
                             
                               v 
                               28 
                             
                           
                         
                       
                     
                     ] 
                   
                 
                 ⁢ 
                 
                     
                 
                 ⁢ 
                 
                   W 
                   
                     30 
                     , 
                     30 
                     , 
                     3 
                   
                   
                     ( 
                     2 
                     ) 
                   
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           30 
                         
                       
                       
                         
                           v 
                           30 
                         
                       
                     
                     
                       
                         
                           
                             ϕ 
                             3 
                           
                           ⁢ 
                           
                             v 
                             30 
                           
                         
                       
                       
                         
                           
                             ϕ 
                             1 
                           
                           ⁢ 
                           
                             v 
                             30 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
           
         
       
     
     If the code words in the C PUSCH  meet the model in each above-mentioned method after finishing the equivalence transformation (exchanging the columns, multiplying by constant coefficient or exchanging the rows of all code words together), the C PUCCH  can be formed according to the similar methods provided in method 2 to method 5. The code words in the C PUCCH  also have the corresponding equivalence transformation format. 
     Embodiment 11 
     The Rank3 codebook in embodiment 6 can be represented by the following single codebook equivalent to the dual codebooks: 
     
       
         
           
               
               
             
               
                   
               
             
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
            
               
                 i 1   
                 0 
                 1 
                 2 
                 3 
               
               
                   
               
               
                 0-7 
                 W 4i     1     ,4i     1     ,4i     1     +4   (3)   
                 W 4i     1     +4,4i     1     ,4i     1     +4   (3)   
                 {tilde over (W)} 4i     1     ,4i     1     +4,4i     1     +4   (3)   
                 {tilde over (W)} 4i     1     +4,4i     1     ,4i     1     (3)   
               
               
                   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
            
               
                 i 1   
                 4 
                 5 
                 6 
                 7 
               
               
                   
               
               
                 0-7 
                 W 4i     1     +1,4i     1     +1,4i     1     +5   (3)   
                 W 4i     1     +5,4i     1     +1,4i     1     +5   (3)   
                 {tilde over (W)} 4i     1     +1,4i     1     +5,4i     1     +5   (3)   
                 {tilde over (W)} 4i     1     +5,4i     1     +1,4i     1     +1   (3)   
               
               
                   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
            
               
                 i 1   
                 8 
                 9 
                 10 
                 11 
               
               
                   
               
               
                 0-7 
                 W 4i     1     +2,4i     1     +2,4i     1     +6   (3)   
                 W 4i     1     +6,4i     1     +2,4i     1     +6   (3)   
                 {tilde over (W)} 4i     1     +2,4i     1     +6,4i     1     +6   (3)   
                 {tilde over (W)} 4i     1     +6,4i     1     +2,4i     1     +2   (3)   
               
               
                   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
            
               
                 i 1   
                 12 
                 13 
                 14 
                 15 
               
               
                   
               
               
                 0-7 
                 W 4i     1     +3,4i     1     +3,4i     1     +7   (3)   
                 W 4i     1     +7,4i     1     +3,4i     1     +7   (3)   
                 {tilde over (W)} 4i     1     +3,4i     1     +7,4i     1     +7   (3)   
                 {tilde over (W)} 4i     1     +7,4i     1     +3,4i     1     +3   (3)   
               
               
                   
               
               
                             where   ⁢           ⁢     W     m   ,     m   ′     ,     m   ″         (   3   )         =       1     24       ⁡     [           v   m           v     m   ′             v     m   ″                 v   m           -     v     m   ′               -     v     m   ″               ]         ,         W   ~       m   ,     m   ′     ,     m   ″         (   3   )       =       1     24       ⁡     [           v   m           v     m   ′             v     m   ″                 v   m           v     m   ′             -     v     m   ″               ]             
wherein, 
               
               
                 φ n  = e jπn/2   
               
               
                 v m  = [1 e j2πm/32  e j4πm/32  e j6πm/32 ] T   
               
            
           
         
       
     
     W m,m′,m″   (3)  {tilde over (W)} m,m′,m″   (3)  is one matrix which needs to be determined by the values of m, m′, m″, and these parameters are related to the first index i 1  and second index i 2  needing to be fed back. This is equivalent to the Rank3 codebook in the embodiment 6, and the difference lies in that the C PUSCH  Rank3 codebook in the embodiment 6 defines 2 codebooks and a function relation. And what the present embodiment defines is a single codebook format equivalent to the dual codebooks. But no matter which kind of format it is, these two modes are equivalent, and the codebook can be defined in any mode, and there are 2 fed back indexes in either mode. i 1  can be regarded as the fed back index corresponding to the codebook C 1  in embodiment 6, and i 2  can be regarded as the fed back index corresponding to the codebook C 2  in embodiment 6. 
     Since the C PUSCH  in embodiment 6 is equivalent to the codebook in the present embodiment, and the difference only lies in that it is implemented by using the dual codebooks in the embodiment 6, while in the present embodiment, it is the feedback mode of the single codebook equivalent to the dual codebooks, but the ideas of extracting the codebook to form the C PUCCH  are totally the same. So the methods described by the above embodiments are all applied to the C PUSCH  in the present embodiment. 
     Since there are many contents about embodiment 6, here they will not be described in detail again, and it is only illustrated by taking part of the extracting methods therein as an example. 
     All or part of the following code words can be selected to form the C PUCCH : 
     
       
         
           
               
               
             
               
                   
               
             
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
            
               
                 i 1   
                 0 
                 1 
                 2 
                 3 
               
               
                   
               
               
                 0, 2, 4, 6 
                 W 4i     1     ,4i     1     ,4i     1     +4   (3)   
                 W 4i     1     +4,4i     1     ,4i     1     +4   (3)   
                 {tilde over (W)} 4i     1     ,4i     1     +4,4i     1     +4   (3)   
                 {tilde over (W)} 4i     1     +4,4i     1     ,4i     1     (3)   
               
               
                   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
            
               
                 i 1   
                 4 
                 5 
                 6 
                 7 
               
               
                   
               
               
                 0, 2, 4, 6 
                 W 4i     1     +1,4i     1     +1,4i     1     +5   (3)   
                 W 4i     1     +5,4i     1     +1,4i     1     +5   (3)   
                 {tilde over (W)} 4i     1     +1,4i     1     +5,4i     1     +5   (3)   
                 {tilde over (W)} 4i     1     +5,4i     1     +1,4i     1     +1   (3)   
               
               
                   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
            
               
                 i 1   
                 8 
                 9 
                 10 
                 11 
               
               
                   
               
               
                 0, 2, 4, 6 
                 W 4i     1     +2,4i     1     +2,4i     1     +6   (3)   
                 W 4i     1     +6,4i     1     +2,4i     1     +6   (3)   
                 {tilde over (W)} 4i     1     +2,4i     1     +6,4i     1     +6   (3)   
                 {tilde over (W)} 4i     1     +6,4i     1     +2,4i     1     +2   (3)   
               
               
                   
               
            
           
           
               
               
            
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
            
               
                 i 1   
                 12 
                 13 
                 14 
                 15 
               
               
                   
               
               
                 0, 2, 4, 6 
                 W 4i     1     +3,4i     1     +3,4i     1     +7   (3)   
                 W 4i     1     +7,4i     1     +3,4i     1     +7   (3)   
                 {tilde over (W)} 4i     1     +3,4i     1     +7,4i     1     +7   (3)   
                 {tilde over (W)} 4i     1     +7,4i     1     +3,4i     1     +3   (3)   
               
               
                   
               
               
                 
                   
                     
                       
                         
                           
                             where 
                             ⁢ 
                             
                                 
                             
                             ⁢ 
                             
                               W 
                               
                                 m 
                                 , 
                                 
                                   m 
                                   ′ 
                                 
                                 , 
                                 
                                   m 
                                   ″ 
                                 
                               
                               
                                 ( 
                                 3 
                                 ) 
                               
                             
                           
                           = 
                           
                             
                               1 
                               
                                 24 
                               
                             
                             ⁡ 
                             
                               [ 
                               
                                 
                                   
                                     
                                       v 
                                       m 
                                     
                                   
                                   
                                     
                                       v 
                                       
                                         m 
                                         ′ 
                                       
                                     
                                   
                                   
                                     
                                       v 
                                       
                                         m 
                                         ″ 
                                       
                                     
                                   
                                 
                                 
                                   
                                     
                                       v 
                                       m 
                                     
                                   
                                   
                                     
                                       - 
                                       
                                         v 
                                         
                                           m 
                                           ′ 
                                         
                                       
                                     
                                   
                                   
                                     
                                       - 
                                       
                                         v 
                                         
                                           m 
                                           ″ 
                                         
                                       
                                     
                                   
                                 
                               
                               ] 
                             
                           
                         
                         , 
                         
                           
                             
                               W 
                               ~ 
                             
                             
                               m 
                               , 
                               
                                 m 
                                 ′ 
                               
                               , 
                               
                                 m 
                                 ″ 
                               
                             
                             
                               ( 
                               3 
                               ) 
                             
                           
                           = 
                           
                             
                               1 
                               
                                 24 
                               
                             
                             ⁡ 
                             
                               [ 
                               
                                 
                                   
                                     
                                       v 
                                       m 
                                     
                                   
                                   
                                     
                                       v 
                                       
                                         m 
                                         ′ 
                                       
                                     
                                   
                                   
                                     
                                       v 
                                       
                                         m 
                                         ″ 
                                       
                                     
                                   
                                 
                                 
                                   
                                     
                                       v 
                                       m 
                                     
                                   
                                   
                                     
                                       v 
                                       
                                         m 
                                         ′ 
                                       
                                     
                                   
                                   
                                     
                                       - 
                                       
                                         v 
                                         
                                           m 
                                           ″ 
                                         
                                       
                                     
                                   
                                 
                               
                               ] 
                             
                           
                         
                       
                     
                   
                 
               
            
           
         
       
     
     That is, the code words corresponding to i 1 =0, 2, 4, 6, 8 . . . 14 and i 2 =0˜15. 
     Or, 
     
       
         
           
             
               
                 W 
                 
                   0 
                   , 
                   0 
                   , 
                   8 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           0 
                         
                       
                       
                         
                           v 
                           0 
                         
                       
                       
                         
                           v 
                           8 
                         
                       
                     
                     
                       
                         
                           v 
                           0 
                         
                       
                       
                         
                           - 
                           
                             v 
                             0 
                           
                         
                       
                       
                         
                           - 
                           
                             v 
                             8 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 
                   W 
                   ~ 
                 
                 
                   10 
                   , 
                   2 
                   , 
                   2 
                 
                 
                   ( 
                   1 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           10 
                         
                       
                       
                         
                           v 
                           2 
                         
                       
                       
                         
                           v 
                           2 
                         
                       
                     
                     
                       
                         
                           v 
                           10 
                         
                       
                       
                         
                           v 
                           2 
                         
                       
                       
                         
                           - 
                           
                             v 
                             2 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 W 
                 
                   4 
                   , 
                   4 
                   , 
                   12 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           4 
                         
                       
                       
                         
                           v 
                           4 
                         
                       
                       
                         
                           v 
                           12 
                         
                       
                     
                     
                       
                         
                           v 
                           4 
                         
                       
                       
                         
                           - 
                           
                             v 
                             4 
                           
                         
                       
                       
                         
                           - 
                           
                             v 
                             12 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 
                   W 
                   ~ 
                 
                 
                   14 
                   , 
                   6 
                   , 
                   6 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           14 
                         
                       
                       
                         
                           v 
                           6 
                         
                       
                       
                         
                           v 
                           6 
                         
                       
                     
                     
                       
                         
                           v 
                           14 
                         
                       
                       
                         
                           v 
                           6 
                         
                       
                       
                         
                           - 
                           
                             v 
                             6 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 W 
                 
                   8 
                   , 
                   8 
                   , 
                   0 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           8 
                         
                       
                       
                         
                           v 
                           8 
                         
                       
                       
                         
                           v 
                           0 
                         
                       
                     
                     
                       
                         
                           v 
                           8 
                         
                       
                       
                         
                           - 
                           
                             v 
                             8 
                           
                         
                       
                       
                         
                           - 
                           
                             v 
                             0 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 W 
                 ~ 
               
               
                 2 
                 , 
                 10 
                 , 
                 10 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         2 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                   
                   
                     
                       
                         v 
                         2 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                     
                       
                         - 
                         
                           v 
                           10 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 W 
                 
                   12 
                   , 
                   12 
                   , 
                   4 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           12 
                         
                       
                       
                         
                           v 
                           12 
                         
                       
                       
                         
                           v 
                           4 
                         
                       
                     
                     
                       
                         
                           - 
                           
                             v 
                             12 
                           
                         
                       
                       
                         
                           v 
                           12 
                         
                       
                       
                         
                           - 
                           
                             v 
                             4 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 W 
                 ~ 
               
               
                 6 
                 , 
                 14 
                 , 
                 14 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         6 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                   
                   
                     
                       
                         v 
                         6 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                     
                       
                         - 
                         
                           v 
                           14 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 W 
                 
                   16 
                   , 
                   16 
                   , 
                   24 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           16 
                         
                       
                       
                         
                           v 
                           16 
                         
                       
                       
                         
                           v 
                           24 
                         
                       
                     
                     
                       
                         
                           v 
                           16 
                         
                       
                       
                         
                           - 
                           
                             v 
                             16 
                           
                         
                       
                       
                         
                           - 
                           
                             v 
                             24 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 
                   W 
                   ~ 
                 
                 
                   18 
                   , 
                   26 
                   , 
                   26 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           26 
                         
                       
                       
                         
                           v 
                           18 
                         
                       
                       
                         
                           v 
                           18 
                         
                       
                     
                     
                       
                         
                           v 
                           26 
                         
                       
                       
                         
                           v 
                           18 
                         
                       
                       
                         
                           - 
                           
                             v 
                             18 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               W 
               
                 20 
                 , 
                 20 
                 , 
                 28 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                   
                   
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         - 
                         
                           v 
                           20 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           28 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 
                   W 
                   ~ 
                 
                 
                   30 
                   , 
                   22 
                   , 
                   22 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           30 
                         
                       
                       
                         
                           v 
                           22 
                         
                       
                       
                         
                           v 
                           22 
                         
                       
                     
                     
                       
                         
                           v 
                           30 
                         
                       
                       
                         
                           v 
                           22 
                         
                       
                       
                         
                           - 
                           
                             v 
                             22 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               W 
               
                 24 
                 , 
                 24 
                 , 
                 16 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         v 
                         16 
                       
                     
                   
                   
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         - 
                         
                           v 
                           24 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           16 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 W 
                 ~ 
               
               
                 18 
                 , 
                 26 
                 , 
                 26 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         18 
                       
                     
                     
                       
                         v 
                         26 
                       
                     
                     
                       
                         v 
                         26 
                       
                     
                   
                   
                     
                       
                         v 
                         18 
                       
                     
                     
                       
                         v 
                         26 
                       
                     
                     
                       
                         - 
                         
                           v 
                           26 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 28 
                 , 
                 28 
                 , 
                 20 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         v 
                         20 
                       
                     
                   
                   
                     
                       
                         - 
                         
                           v 
                           28 
                         
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         - 
                         
                           v 
                           20 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 W 
                 ~ 
               
               
                 22 
                 , 
                 30 
                 , 
                 30 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         22 
                       
                     
                     
                       
                         v 
                         30 
                       
                     
                     
                       
                         v 
                         30 
                       
                     
                   
                   
                     
                       
                         v 
                         22 
                       
                     
                     
                       
                         - 
                         
                           v 
                           30 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           30 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
     
     Or, 
     
       
         
           
             
               
                 W 
                 
                   0 
                   , 
                   0 
                   , 
                   8 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           0 
                         
                       
                       
                         
                           v 
                           0 
                         
                       
                       
                         
                           v 
                           8 
                         
                       
                     
                     
                       
                         
                           v 
                           0 
                         
                       
                       
                         
                           - 
                           
                             v 
                             0 
                           
                         
                       
                       
                         
                           - 
                           
                             v 
                             8 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 
                   W 
                   ~ 
                 
                 
                   10 
                   , 
                   2 
                   , 
                   2 
                 
                 
                   ( 
                   1 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           10 
                         
                       
                       
                         
                           v 
                           2 
                         
                       
                       
                         
                           v 
                           2 
                         
                       
                     
                     
                       
                         
                           v 
                           10 
                         
                       
                       
                         
                           v 
                           2 
                         
                       
                       
                         
                           - 
                           
                             v 
                             2 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 W 
                 
                   4 
                   , 
                   4 
                   , 
                   12 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           4 
                         
                       
                       
                         
                           v 
                           4 
                         
                       
                       
                         
                           v 
                           12 
                         
                       
                     
                     
                       
                         
                           v 
                           4 
                         
                       
                       
                         
                           - 
                           
                             v 
                             4 
                           
                         
                       
                       
                         
                           - 
                           
                             v 
                             12 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 
                   W 
                   ~ 
                 
                 
                   14 
                   , 
                   6 
                   , 
                   6 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           14 
                         
                       
                       
                         
                           v 
                           6 
                         
                       
                       
                         
                           v 
                           6 
                         
                       
                     
                     
                       
                         
                           v 
                           14 
                         
                       
                       
                         
                           v 
                           6 
                         
                       
                       
                         
                           - 
                           
                             v 
                             6 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 W 
                 
                   8 
                   , 
                   8 
                   , 
                   16 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           8 
                         
                       
                       
                         
                           v 
                           8 
                         
                       
                       
                         
                           v 
                           16 
                         
                       
                     
                     
                       
                         
                           v 
                           8 
                         
                       
                       
                         
                           - 
                           
                             v 
                             8 
                           
                         
                       
                       
                         
                           - 
                           
                             v 
                             16 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 W 
                 ~ 
               
               
                 2 
                 , 
                 10 
                 , 
                 10 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         18 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                   
                   
                     
                       
                         v 
                         18 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                     
                       
                         - 
                         
                           v 
                           10 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 W 
                 
                   12 
                   , 
                   12 
                   , 
                   20 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           12 
                         
                       
                       
                         
                           v 
                           12 
                         
                       
                       
                         
                           v 
                           20 
                         
                       
                     
                     
                       
                         
                           - 
                           
                             v 
                             12 
                           
                         
                       
                       
                         
                           v 
                           12 
                         
                       
                       
                         
                           - 
                           
                             v 
                             20 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 W 
                 ~ 
               
               
                 22 
                 , 
                 14 
                 , 
                 14 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         22 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                   
                   
                     
                       
                         v 
                         22 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                     
                       
                         - 
                         
                           v 
                           14 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 W 
                 
                   16 
                   , 
                   16 
                   , 
                   24 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           16 
                         
                       
                       
                         
                           v 
                           16 
                         
                       
                       
                         
                           v 
                           24 
                         
                       
                     
                     
                       
                         
                           v 
                           16 
                         
                       
                       
                         
                           - 
                           
                             v 
                             16 
                           
                         
                       
                       
                         
                           - 
                           
                             v 
                             24 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               
                 
                   W 
                   ~ 
                 
                 
                   18 
                   , 
                   26 
                   , 
                   26 
                 
                 
                   ( 
                   1 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           26 
                         
                       
                       
                         
                           v 
                           18 
                         
                       
                       
                         
                           v 
                           18 
                         
                       
                     
                     
                       
                         
                           v 
                           26 
                         
                       
                       
                         
                           v 
                           18 
                         
                       
                       
                         
                           - 
                           
                             v 
                             18 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               W 
               
                 20 
                 , 
                 20 
                 , 
                 28 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                   
                   
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         - 
                         
                           v 
                           20 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           28 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 
                   W 
                   ~ 
                 
                 
                   30 
                   , 
                   22 
                   , 
                   22 
                 
                 
                   ( 
                   3 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     8 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           30 
                         
                       
                       
                         
                           v 
                           22 
                         
                       
                       
                         
                           v 
                           22 
                         
                       
                     
                     
                       
                         
                           v 
                           30 
                         
                       
                       
                         
                           v 
                           22 
                         
                       
                       
                         
                           - 
                           
                             v 
                             22 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               W 
               
                 24 
                 , 
                 24 
                 , 
                 0 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         v 
                         0 
                       
                     
                   
                   
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         - 
                         
                           v 
                           24 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           0 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 W 
                 ~ 
               
               
                 2 
                 , 
                 26 
                 , 
                 26 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         2 
                       
                     
                     
                       
                         v 
                         26 
                       
                     
                     
                       
                         v 
                         26 
                       
                     
                   
                   
                     
                       
                         v 
                         2 
                       
                     
                     
                       
                         v 
                         26 
                       
                     
                     
                       
                         - 
                         
                           v 
                           26 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 28 
                 , 
                 28 
                 , 
                 4 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         v 
                         4 
                       
                     
                   
                   
                     
                       
                         - 
                         
                           v 
                           28 
                         
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         - 
                         
                           v 
                           4 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               
                 W 
                 ~ 
               
               
                 6 
                 , 
                 30 
                 , 
                 30 
               
               
                 ( 
                 3 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   8 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         6 
                       
                     
                     
                       
                         v 
                         30 
                       
                     
                     
                       
                         v 
                         30 
                       
                     
                   
                   
                     
                       
                         v 
                         6 
                       
                     
                     
                       
                         - 
                         
                           v 
                           30 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           30 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
     
     If the code words in the C PUSCH  meet the model in each above-mentioned method after finishing the equivalence transformation (exchanging the columns, multiplying by constant coefficient or exchanging the rows of all code words together), the C PUCCH  can be formed according to the similar methods provided in method 2 to method 5. The code words in the C PUCCH  also have the corresponding equivalence transformation format. 
     Embodiment 12 
     The Rank4 codebook in embodiment 7 can be represented by the following single codebook equivalent to the dual codebooks: 
     
       
         
           
               
               
            
               
                   
               
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 0 
                 1 
                 2 
                 3 
                 4 
                 5 
                 6 
                 7 
               
               
                   
               
               
                 0-7 
                 W 4i     1     ,4i     1     +4,0   (4)   
                 W 4i     1     ,4i     1     +4,1   (4)   
                 W 4i     1     +1,4i     1     +5,0   (4)   
                 W 4i     1     +1,4i     1     +5,1   (4)   
                 W 4i     1     +2,4i     1     +6,0   (4)   
                 W 4i     1     +2,4i     1     +6,1   (4)   
                 W 4i     1     +3,4i     1     +7,0   (4)   
                 W 4i     1     +3,4i     1     +7,1   (4)   
               
               
                   
               
               
                           where   ⁢           ⁢     W     m   ,     m   ′     ,   n       (   4   )         =       1     32       ⁡     [           v   m           v     m   ′             v   m           v     m   ′                   φ   n     ⁢     v   m               φ   n     ⁢     v     m   ′                 -     φ   n       ⁢     v   m               -     φ   n       ⁢     v     m   ′               ]           
wherein, 
               
               
                 φ n  = e jπn/2   
               
               
                 v m  = [1 e j2πm/32  e j4πm/32  e j6πm/32 ] T   
               
            
           
         
       
     
     W m,m′,n   (4)  is one matrix which needs to be determined by the values of m, m′, n, and these parameters are related to the first index i 1  and second index i 2  needing to be fed back. This is equivalent to the Rank4 codebook in the embodiment 7, and the difference lies in that the C PUSCH  Rank4 codebook in the embodiment 7 defines 2 codebooks and a function relation. And what the present embodiment defines is a single codebook format equivalent to the dual codebooks. But no matter which kind of format it is, these two modes are equivalent, and the codebook can be defined in any mode, and there are 2 fed back indexes in either mode. i 1  can be regarded as the fed back index corresponding to the codebook C 1  in embodiment 7, and i 2  can be regarded as the fed back index corresponding to the codebook C 2  in embodiment 7. 
     Since the C PUSCH  in embodiment 7 is equivalent to the codebook in the present embodiment, and the difference only lies in that it is implemented by using the dual codebooks in the embodiment 7, while in the present embodiment, it is the feedback mode of the single codebook equivalent to the dual codebooks, but the ideas of extracting the codebook to form the C PUCCH  are totally the same. So the methods described by the above embodiments are all applied to the C PUSCH  in the present embodiment. 
     Since there are many contents about embodiment 7, they will not be described in detail again, and it is only illustrated by taking part of the extracting methods therein as an example. 
     All or part of the following code words can be selected to form the C PUCCH : 
     
       
         
           
               
               
            
               
                   
               
               
                   
                 i 2   
               
            
           
           
               
               
               
               
               
               
               
               
               
            
               
                 i 1   
                 0 
                 1 
                 2 
                 3 
                 4 
                 5 
                 6 
                 7 
               
               
                   
               
               
                 0, 2, 4, 6 
                 W 4i     1     ,4i     1     +4,0   (4)   
                 W 4i     1     ,4i     1     +4,1   (4)   
                 W 4i     1     +1,4i     1     +5,0   (4)   
                 W 4i     1     +1,4i     1     +5,1   (4)   
                 W 4i     1     +2,4i     1     +6,0   (4)   
                 W 4i     1     +2,4i     1     +6,1   (4)   
                 W 4i     1     +3,4i     1     +7,0   (4)   
                 W 4i     1     +3,4i     1     +7,1   (4)   
               
               
                   
               
               
                 
                   
                     
                       
                         
                           where 
                           ⁢ 
                           
                               
                           
                           ⁢ 
                           
                             W 
                             
                               m 
                               , 
                               
                                 m 
                                 ′ 
                               
                               , 
                               n 
                             
                             
                               ( 
                               4 
                               ) 
                             
                           
                         
                         = 
                         
                           
                             1 
                             
                               32 
                             
                           
                           ⁡ 
                           
                             [ 
                             
                               
                                 
                                   
                                     v 
                                     m 
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       m 
                                       ′ 
                                     
                                   
                                 
                                 
                                   
                                     v 
                                     m 
                                   
                                 
                                 
                                   
                                     v 
                                     
                                       m 
                                       ′ 
                                     
                                   
                                 
                               
                               
                                 
                                   
                                     
                                       φ 
                                       n 
                                     
                                     ⁢ 
                                     
                                       v 
                                       m 
                                     
                                   
                                 
                                 
                                   
                                     
                                       φ 
                                       n 
                                     
                                     ⁢ 
                                     
                                       v 
                                       
                                         m 
                                         ′ 
                                       
                                     
                                   
                                 
                                 
                                   
                                     
                                       - 
                                       
                                         φ 
                                         n 
                                       
                                     
                                     ⁢ 
                                     
                                       v 
                                       m 
                                     
                                   
                                 
                                 
                                   
                                     
                                       - 
                                       
                                         φ 
                                         n 
                                       
                                     
                                     ⁢ 
                                     
                                       v 
                                       
                                         m 
                                         ′ 
                                       
                                     
                                   
                                 
                               
                             
                             ] 
                           
                         
                       
                     
                   
                 
               
            
           
         
       
     
     Or, 
     
       
         
           
             
               
                 W 
                 
                   0 
                   , 
                   8 
                   , 
                   0 
                 
                 
                   ( 
                   4 
                   ) 
                 
               
               = 
               
                 
                   1 
                   
                     32 
                   
                 
                 ⁡ 
                 
                   [ 
                   
                     
                       
                         
                           v 
                           0 
                         
                       
                       
                         
                           v 
                           8 
                         
                       
                       
                         
                           v 
                           0 
                         
                       
                       
                         
                           v 
                           8 
                         
                       
                     
                     
                       
                         
                           v 
                           0 
                         
                       
                       
                         
                           v 
                           8 
                         
                       
                       
                         
                           - 
                           
                             v 
                             0 
                           
                         
                       
                       
                         
                           - 
                           
                             v 
                             8 
                           
                         
                       
                     
                   
                   ] 
                 
               
             
             ⁢ 
             
                 
             
           
         
       
       
         
           
             
               W 
               
                 4 
                 , 
                 12 
                 , 
                 0 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         4 
                       
                     
                     
                       
                         v 
                         12 
                       
                     
                     
                       
                         v 
                         4 
                       
                     
                     
                       
                         v 
                         12 
                       
                     
                   
                   
                     
                       
                         v 
                         4 
                       
                     
                     
                       
                         v 
                         12 
                       
                     
                     
                       
                         - 
                         
                           v 
                           4 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           12 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 8 
                 , 
                 16 
                 , 
                 0 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         8 
                       
                     
                     
                       
                         v 
                         16 
                       
                     
                     
                       
                         v 
                         8 
                       
                     
                     
                       
                         v 
                         16 
                       
                     
                   
                   
                     
                       
                         v 
                         8 
                       
                     
                     
                       
                         v 
                         16 
                       
                     
                     
                       
                         - 
                         
                           v 
                           8 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           16 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 12 
                 , 
                 20 
                 , 
                 0 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         12 
                       
                     
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         12 
                       
                     
                     
                       
                         v 
                         20 
                       
                     
                   
                   
                     
                       
                         v 
                         12 
                       
                     
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         - 
                         
                           v 
                           12 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           20 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 16 
                 , 
                 24 
                 , 
                 0 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         16 
                       
                     
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         v 
                         16 
                       
                     
                     
                       
                         v 
                         24 
                       
                     
                   
                   
                     
                       
                         v 
                         16 
                       
                     
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         - 
                         
                           v 
                           16 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           24 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 20 
                 , 
                 28 
                 , 
                 0 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                   
                   
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         - 
                         
                           v 
                           20 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           28 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 24 
                 , 
                 0 
                 , 
                 0 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         v 
                         0 
                       
                     
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         v 
                         0 
                       
                     
                   
                   
                     
                       
                         v 
                         24 
                       
                     
                     
                       
                         v 
                         0 
                       
                     
                     
                       
                         - 
                         
                           v 
                           24 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           0 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 28 
                 , 
                 4 
                 , 
                 0 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         v 
                         4 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         v 
                         4 
                       
                     
                   
                   
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         v 
                         4 
                       
                     
                     
                       
                         - 
                         
                           v 
                           28 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           4 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 2 
                 , 
                 10 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         2 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                     
                       
                         v 
                         2 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                   
                   
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           2 
                         
                       
                     
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           10 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           2 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           10 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 6 
                 , 
                 14 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         6 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                     
                       
                         v 
                         6 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                   
                   
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           6 
                         
                       
                     
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           14 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           6 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           14 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 10 
                 , 
                 18 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         10 
                       
                     
                     
                       
                         v 
                         18 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                     
                       
                         v 
                         18 
                       
                     
                   
                   
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           10 
                         
                       
                     
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           18 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           10 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           18 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 14 
                 , 
                 22 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         14 
                       
                     
                     
                       
                         v 
                         22 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                     
                       
                         v 
                         22 
                       
                     
                   
                   
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           14 
                         
                       
                     
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           22 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           14 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           22 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 20 
                 , 
                 28 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                   
                   
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           20 
                         
                       
                     
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           28 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           20 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           28 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 22 
                 , 
                 30 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         22 
                       
                     
                     
                       
                         v 
                         30 
                       
                     
                     
                       
                         v 
                         22 
                       
                     
                     
                       
                         v 
                         30 
                       
                     
                   
                   
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           22 
                         
                       
                     
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           30 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           22 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           30 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 26 
                 , 
                 2 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         26 
                       
                     
                     
                       
                         v 
                         2 
                       
                     
                     
                       
                         v 
                         26 
                       
                     
                     
                       
                         v 
                         2 
                       
                     
                   
                   
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           26 
                         
                       
                     
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           2 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           26 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           2 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 30 
                 , 
                 6 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         30 
                       
                     
                     
                       
                         v 
                         6 
                       
                     
                     
                       
                         v 
                         30 
                       
                     
                     
                       
                         v 
                         6 
                       
                     
                   
                   
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           30 
                         
                       
                     
                     
                       
                         j 
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           6 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           30 
                         
                       
                     
                     
                       
                         
                           - 
                           j 
                         
                         ⁢ 
                         
                             
                         
                         ⁢ 
                         
                           v 
                           6 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
     
     or, 
     
       
         
           
             
               W 
               
                 2 
                 , 
                 10 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         2 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                     
                       
                         v 
                         2 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                   
                   
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           2 
                         
                       
                     
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           10 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           2 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           10 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 6 
                 , 
                 14 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         6 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                     
                       
                         v 
                         6 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                   
                   
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           6 
                         
                       
                     
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           14 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           6 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           14 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 10 
                 , 
                 18 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         10 
                       
                     
                     
                       
                         v 
                         18 
                       
                     
                     
                       
                         v 
                         10 
                       
                     
                     
                       
                         v 
                         18 
                       
                     
                   
                   
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           10 
                         
                       
                     
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           18 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           10 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           18 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 14 
                 , 
                 22 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         14 
                       
                     
                     
                       
                         v 
                         22 
                       
                     
                     
                       
                         v 
                         14 
                       
                     
                     
                       
                         v 
                         22 
                       
                     
                   
                   
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           14 
                         
                       
                     
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           22 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           14 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           22 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 20 
                 , 
                 28 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                     
                       
                         v 
                         20 
                       
                     
                     
                       
                         v 
                         28 
                       
                     
                   
                   
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           20 
                         
                       
                     
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           28 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           20 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           28 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 22 
                 , 
                 30 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         22 
                       
                     
                     
                       
                         v 
                         30 
                       
                     
                     
                       
                         v 
                         22 
                       
                     
                     
                       
                         v 
                         30 
                       
                     
                   
                   
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           22 
                         
                       
                     
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           30 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           22 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           30 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 26 
                 , 
                 2 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         26 
                       
                     
                     
                       
                         v 
                         2 
                       
                     
                     
                       
                         v 
                         26 
                       
                     
                     
                       
                         v 
                         2 
                       
                     
                   
                   
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           26 
                         
                       
                     
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           2 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           26 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           2 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
       
         
           
             
               W 
               
                 30 
                 , 
                 6 
                 , 
                 1 
               
               
                 ( 
                 4 
                 ) 
               
             
             = 
             
               
                 1 
                 
                   32 
                 
               
               ⁡ 
               
                 [ 
                 
                   
                     
                       
                         v 
                         30 
                       
                     
                     
                       
                         v 
                         6 
                       
                     
                     
                       
                         v 
                         30 
                       
                     
                     
                       
                         v 
                         6 
                       
                     
                   
                   
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           30 
                         
                       
                     
                     
                       
                         
                             
                         
                         ⁢ 
                         
                           v 
                           6 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           30 
                         
                       
                     
                     
                       
                         - 
                         
                           v 
                           6 
                         
                       
                     
                   
                 
                 ] 
               
             
           
         
       
     
     In each above-mentioned embodiment, the transformed codebook obtained after exchanging the columns or multiplying by constant coefficient or exchanging the rows of all code words together for the C PUSCH   1  and/or the C PUSCH   2  also can use the extracting method described in the present embodiment; or, the transformed codebook obtained after exchanging the columns or multiplying by constant coefficient or exchanging the rows of all code words together for the C PUSCH  also can use the extracting method described in the present embodiment. The codebook extracting method described in the present invention is applied to the codebook obtained after the code words of each codebook in the embodiments described of the present invention finish the equivalence transformation (exchanging the columns, multiplying by constant coefficient or exchanging the rows of all code words together). The code words in the C PUCCH , C PUCCH   1  and C PUCCH   2  also have the corresponding equivalent transformation representing format. 
     The present invention also provides a terminal for feeding back channel status information based on the channel status information feedback method provided by the present invention, its application principle is the same with that in the above-mentioned method, and here will not go into details again. 
     Obviously, the present invention can have a variety of other embodiments. Those skilled in the art can make the corresponding modifications and variations according to technical scheme and the conception of the present invention without departing from the spirit and essence of the present invention. And all of these modifications or the variations should be embodied in the scope of the appending claims of the present invention. 
     It can be understood by those skilled in the art that all or part of steps in the above-mentioned method can be fulfilled by programs instructing the relevant hardware components, and the programs can be stored in a computer readable storage medium such as a read only memory, a magnetic disk or an optical disk, etc. Alternatively, all or part of the steps in the above-mentioned embodiments can be implemented with one or more integrated circuits. Accordingly, each module/unit in the above-mentioned embodiments can be implemented in the form of hardware, or in the form of software function module. The present invention is not limit to any specific faint of the combination of the hardware and software. 
     INDUSTRIAL APPLICABILITY 
     With the above-mentioned method, the precision of the PMI feedback under the limited overhead can be ensured, thus the CSI feedback on the PUCCH can more effectively support the pre-coding technology and have good compatibility with the feedback on the PUSCH.