Patent ID: 8526387

Claim:
A method for transmitting uplink control information by a communication apparatus configured with a plurality of cells including a primary cell and a secondary cell in a wireless communication system, the method comprising: selecting, via a processor, a PUCCH (Physical Uplink Control Channel) resource corresponding to a HARQ-ACK (Hybrid Automatic Repeat reQuest—Acknowledgement)(0) and a HARQ-ACK(1) from a plurality of PUCCH resources, according to a relation including Table 1; and transmitting, via the processor, b( 0 )b( 1 ) corresponding to the HARQ-ACK(0) and the HARQ-ACK(1) using the selected PUCCH resource, wherein the b( 0 )b( 1 ) is given according to the relation including Table 1, TABLE 1 HARQ-ACK(0) HARQ-ACK(1) n (1) PUCCH, i b(0)b(1) ACK NACK/DTX n (1) PUCCH, 0 11 NACK NACK/DTX n (1) PUCCH, 0 00 where the HARQ-ACK(0) indicates an ACK/NACK(Negative ACK)/DTX(Discontinuous Transmission) response to a data block related to the primary cell, the HARQ-ACK(1) indicates an ACK/NACK/DTX response to a data block related to the secondary cell, n (1) PUCCH, i (i=0, 1) indicates the plurality of PUCCH resources, and n (1) PUCCH, 0 indicates a PUCCH resource linked to a PDCCH (Physical Downlink Control Channel) on the primary cell.