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Method and device for determining priority of HARQ feedback in NR V2X

專利號
US11997047B2
公開日期
2024-05-28
申請人
LG ELECTRONICS INC.(KR Seoul)
發(fā)明人
Daesung Hwang; Seungmin Lee; Hanbyul Seo
IPC分類
H04L1/1812; H04L5/00; H04W72/21; H04W72/23
技術(shù)領(lǐng)域
ue,sl,harq,may,resource,psfch,pucch,or,priority,be
地域: Seoul

摘要

Provided are a method for performing wireless communication by a first device, and a device for supporting the method. The method may comprise: receiving, from a base station, information related to a physical uplink control channel (PUCCH) resource for reporting hybrid automatic repeat request (HARQ) feedback information and information related to a configured grant (CG) resource for sidelink (SL); generating ACK information, based on no physical sidelink control channel (PSCCH) transmission by the first device on the CG resource in a single period; and determining a priority value of the ACK information, wherein the priority value of the ACK information is same as a largest priority value among at least one possible priority value related to the CG resource.

說明書

Question D2: Can MAC select either LCHs with FB disabled or LCHs with FB enabled for a SL grant configured with both PSFCH and PUCCH in SL LCP? Option D2-1: Yes, MAC can select one of both types of logical channels Option D2-2: No, MAC can only select LCHs with FB enabled. Option D2-3: Other? Question D3: (If D1-1 is chosen) Can MAC select either LCHs with FB disabled or LCHs with FB enabled for a SL grant configured with PSFCH but without PUCCH in SL LCP? Note that a SL grant could be configured with PSFCH but without PUCCH when UE is not in RRC_CONNECTED or UE in RRC_CONNECTED has such configuration in either mode 1 or mode 2. Option D3-1: Yes, MAC can select one of both types of logical channels Option D3-2: No, MAC can only select LCHs with FB enabled. Option D3-3: Other? Question D4: (If D2-2 or D3-2 is chosen) what should UE do if UE only has SL data on LCHs with FB disabled for a SL grant configured with PSFCH? Option D4-1: UE can exceptionally select the LCHs with FB disabled for the SL grant and transmit a TB with HARQ feedback. Option D4-2: The SL grant is skipped and so not used for transmission. Option D4-3: UE reselects to a resource pool having no PSFCH resource (only for Mode 2) Option D4-4: Other? Question D5: Can MAC select either LCHs with FB disabled or LCHs with FB enabled for a SL grant configured with neither PSFCH nor PUCCH in SL LCP?

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