| 摘要 |
A wireless communication system and a method and apparatus for transmitting ACK/NACK for downlink transmission in a wireless communication system are disclosed. The method for transmitting ACK/NACK information for a downlink transmission in a receiver of a wireless communication system includes being configured with N physical uplink control channel (PUCCH) resources respectively having indexes 0, 1, 2, . . . , and N-1 by a higher layer, receiving the downlink transmission from a transmitter in a downlink subframe set including M (1<M<N) downlink subframes, and transmitting the ACK/NACK information for the downlink transmission in the downlink subframe set to the transmitter in one uplink subframe associated with the downlink subframe set. Each of the M PUCCH resources respectively having the indexes 0, 1, 2, . . . , and M-1 among the N PUCCH resources configured with respect to the receiver corresponds to each of the M downlink subframes.
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