CPC H04W 72/1263 (2013.01) [H04L 1/1812 (2013.01); H04W 72/25 (2023.01); H04W 76/28 (2018.02)] | 20 Claims |
1. A method performing wireless communication by a first device, the method comprising:
obtaining an SL DRX configuration including information related to a sidelink (SL) discontinuous reception (DRX) timer;
receiving a first SCI for scheduling of second sidelink control information (SCI) and a physical sidelink shared channel (PSSCH) from a second device through a physical sidelink control channel (PSCCH);
receiving the second SCI and a medium access control (MAC) protocol data unit (PDU) from the second device through the PSSCH;
determining a physical sidelink feedback channel (PSFCH) resource based on an index of a sub-channel related to the PSSCH and an index of a slot; and
starting the SL DRX timer after the PSFCH resource based on:
(i) a cast type related to the second SCI being a groupcast,
(ii) a SL hybrid automatic repeat request (HARQ) feedback being enabled by the second SCI, and
(iii) a negative-only acknowledgement being selected.
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