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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
技術領域
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

In step S1640, the transmitting UE may receive SL HARQ feedback information from the receiving UE through a PSFCH related to the PSSCH. For example, the transmitting UE and the receiving UE may determine a PSFCH resource related to the PSSCH, and the transmitting UE may receive SL HARQ feedback from the receiving UE based on the PSFCH resource.

In step S1650, the transmitting UE may transmit SL HARQ feedback information to the base station. Herein, for example, if the transmitting UE receives SL HARQ feedback information from the receiving UE, the SL HARQ feedback information may be the SL HARQ feedback information received from the receiving UE. For example, if the transmitting UE receives SL HARQ feedback information from the receiving UE, the SL HARQ feedback information may be HARQ feedback information generated by the transmitting UE based on the SL HARQ feedback information received from the receiving UE. For example, if the transmitting UE does not receive SL HARQ feedback information from the receiving UE, the SL HARQ feedback information may be HARQ feedback information generated by the transmitting UE.

FIG. 18 shows a method for a transmitting UE to report SL HARQ feedback information to a base station if the transmitting UE does not perform SL transmission by using resources within a specific period, based on an embodiment of the present disclosure. The embodiment of FIG. 18 may be combined with various embodiments of the present disclosure.

權利要求

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