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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

Referring to FIG. 18, it is assumed that the transmitting UE performs SL transmission by using SL resources corresponding to A. In this case, the transmitting UE may receive SL HARQ feedback information from the receiving UE, and the transmitting UE may report the SL HARQ feedback information to the base station.

On the other hand, it is assumed that the transmitting UE does not perform SL transmission by using SL resources corresponding to B. For example, the transmitting UE may not transmit a PSCCH by using SL resources corresponding to B. In this case, the transmitting UE may generate ACK information, and the transmitting UE may perform UL transmission (e.g., PUCCH transmission) including the ACK information to the base station. Herein, for example, a priority of UL transmission (e.g., PUCCH transmission) may be the same as the largest priority value among possible priority values for the CG. For example, the transmitting UE may determine a priority of the ACK information based on Table 8.

TABLE 8 The UE generates an ACK if the UE does not transmit a PSCCH with a SCI format 1-A scheduling a PSSCH in any of the resources provided by a configured grant in a single period and for which the UE is provided a PUCCH resource to report HARQ-ACK information. The priority value of the ACK is same as the largest priority value among the possible

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