METHOD AND DEVICE FOR PERFORMING SL HARQ FEEDBACK OPERATION IN UNLICENSED BAND

Title:

METHOD AND DEVICE FOR PERFORMING SL HARQ FEEDBACK OPERATION IN UNLICENSED BAND

Document Type and Number:

WIPO Patent Application WO/2024/085529

Kind Code:

A1

Abstract:

A method for performing wireless communication by a first device and a device supporting same are provided. The method may comprise the steps of: obtaining information related to a threshold value for determining whether to perform retransmission in an unlicensed band; transmitting first sidelink control information (SCI) for scheduling second SCI and a physical sidelink shared channel (PSSCH) to a second device through a physical sidelink control channel (PSCCH); and transmitting the second SCI and data to the second device through the PSSCH. For example, on the basis that the number of times a negative acknowledgment (NACK) for the data is not received reaches the threshold value, a buffer associated with the data may be flushed.

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Inventors:

LEE SEUNGMIN (KR)
HWANG DAESUNG (KR)
SEO HANBYUL (KR)

Application Number:

PCT/KR2023/015707

Publication Date:

April 25, 2024

Filing Date:

October 12, 2023

Export Citation:

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Assignee:

LG ELECTRONICS INC (KR)

International Classes:

H04L1/18; H04W72/25

Domestic Patent References:

WO2022186670A1

2022-09-09

Foreign References:

KR20210068430A	2021-06-09
KR20210024191A	2021-03-04
US20210067456A1	2021-03-04

Other References:

LG ELECTRONICS INC. (RAPPORTEUR): "[AT112-e][713][V2X] MAC corrections (LG)", 3GPP DRAFT; R2-2010950, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Electronics; 20201102 - 20201113, 16 November 2020 (2020-11-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052255565

Attorney, Agent or Firm:

ENVISION PATENT & LAW FIRM (KR)

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