Patent ID: 9445401
Filing Date: 2016-09-13
CPC Classification: H04L,H04W

Claim Text:
1. A method for transmitting a control channel, comprising: generating at least one enhanced control channel element (eCCE); transmitting the control channel through the at least one eCCE, wherein generating each eCCE comprises: determining four physical resource block (PRB) pairs, wherein each PRB pair of the four PRB pairs comprises sixteen enhanced resource element groups (eREGs) twelve subcarriers in a frequency domain and fourteen Orthogonal Frequency Division Multiple (OFDM) symbols in a time domain; 144 resource elements (REs), comprising all REs except REs to which Demodulation Reference Signals (DMRSs) are mapped, are divided into sixteen eREGs, with each eREG comprising nine REs; information of each RE comprises X and Z, where X indicates a number of eREGs, Z indicates resource location information and Z is 0, 1, 2, or 3; the 144 REs are numbered, using the X, cyclically from the first integer of sixteen consecutive integers to the last integer of sixteen consecutive integers in an increasing order of frequency first and then time; in a case where the X is equal to the first integer of the sixteen consecutive integers, the second integer of the sixteen consecutive integers, the third integer of the sixteen consecutive integers or the forth integer of the sixteen consecutive integers, the Z is equal to 0; in a case where the X is equal to the fifth integer of the sixteen consecutive integers, the sixth integer of the sixteen consecutive integers, the seventh integer of the sixteen consecutive integers or the eighth integer of the sixteen consecutive integers, the Z is equal to 1; in a case where the X is equal to the ninth integer of the sixteen consecutive integers, the tenth integer of the sixteen consecutive integers, the eleventh integer of the sixteen consecutive integers or the twelfth integer of the sixteen consecutive integers, the Z is equal to 2; in a case where the X is equal to the thirteenth integer of the sixteen consecutive integers, the fourteenth integer of the sixteen consecutive integers, the fifteenth integer of the sixteen consecutive integers or the last integer of the sixteen consecutive integers, the Z is equal to 3; selecting four eREGs from the four PRB pairs respectively, wherein the resource location information of four selected eREGs are different from each other; and generating one eCCE of the at least one eCCE with the four selected eREGs.