CPC H04W 72/21 (2023.01) [H04L 5/0055 (2013.01); H04W 4/44 (2018.02); H04W 4/46 (2018.02); H04W 16/14 (2013.01); H04W 74/0808 (2013.01)] | 15 Claims |
1. A method of transmitting a signal by a communication device in a wireless communication system, the method comprising:
receiving scheduling information including listen-before-talk (LBT) type information and physical uplink control channel (PUCCH) resource indication information;
receiving data based on the scheduling information; and
transmitting acknowledgement/negative-acknowledgement (ACK/NACK) information for the data on a PUCCH resource after performing an LBT procedure based on the LBT type information,
wherein one PUCCH resource set is selected from among a plurality of PUCCH resource sets based on a value of the LBT type information, and
wherein the PUCCH resource is indicated by the PUCCH resource indication information within the selected PUCCH resource set.
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