PERFORMING LISTEN-BEFORE-TALK OPERATIONS FOR PHYSICAL SIDELINK FEEDBACK CHANNEL TRANSMISSIONS
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United States of America
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Apr 10, 2025
app pub date -
Jan 26, 2023
filing date -
Jan 26, 2023
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Abstract
Apparatuses, methods, and systems are disclosed for performing listen-before-talk operations for physical sidelink feedback channel transmissions. One method includes performing, at a user equipment (“UE”), a listen-before-talk (“LBT”) operation for a physical sidelink feedback channel (“PSFCH”) transmission. The method includes receiving configuration information for performing the LBT operation for the PSFCH transmission. The method includes determining the LBT operation for the PSFCH. A category (“CAT”) 4 LBT is performed at a beginning of a slot before a physical sidelink shared channel (“PSSCH”) symbol, before a PSFCH symbol, using a short control signaling exemption rule, or a combination thereof.
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