CPC H04W 72/0453 (2013.01) [H04J 11/0069 (2013.01); H04L 1/0038 (2013.01); H04L 5/001 (2013.01); H04L 5/0053 (2013.01); H04L 5/0055 (2013.01); H04L 5/0094 (2013.01); H04W 72/1268 (2013.01); H04W 72/21 (2023.01); H04W 72/23 (2023.01); H04L 5/0098 (2013.01); H04W 88/08 (2013.01)] | 14 Claims |
1. A method of transmitting a signal by a user equipment (UE) configured with a plurality of carriers, the method comprising:
receiving, through a first carrier among the plurality of carriers, downlink control information (DCI) including carrier indication information;
transmitting a physical uplink shared channel (PUSCH) signal to a base station through a second carrier indicated by the carrier indication information;
receiving, in response to the PUSCH signal, hybrid automatic repeat request (HARQ) information for the PUSCH signal only through the first carrier other than the second carrier; and
retransmitting the PUSCH signal based on the HARQ information being configured to indicate the retransmission of the PUSCH signal,
wherein a size of carrier indication information of the DCI is a number of bits based on a number of component carriers capable of performing carrier aggregation.
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