Title:
METHOD AND DEVICE FOR PERFORMING SIDELINK COMMUNICATION IN UNLICENSED SPECTRUM
Document Type and Number:
WIPO Patent Application WO/2024/035228
Kind Code:
A1
Abstract:
Provided are a method performed by a first device and a device supporting same in a wireless communication system. The method performed by a first device in a wireless communication system comprises the steps of: acquiring configuration information related to a physical sidelink feedback channel (PSFCH); transmitting a first sidelink control indicator (SCI) for scheduling a physical sidelink shared channel (PSSCH) and a second SCI to a second device through a physical sidelink control channel (PSCCH); transmitting data and the second SCI including information indicating a hybrid automatic repeat and request (HARQ) feedback enabled mode to the second device through the PSSCH; and determining a PSFDCH resource related to the PSSCH on the basis of the configuration information. Here, an HARQ feedback mode may be changed from the HARQ feedback enabled mode to an HARQ feedback disabled mode on the basis that the number of omissions of the PSFCH receptions from the second device due to listen before talk (LBT) failures has reached a threshold.
Inventors:
PARK GIWON (KR)
SEO HANBYUL (KR)
LEE SEUNGMIN (KR)
BACK SEOYOUNG (KR)
SEO HANBYUL (KR)
LEE SEUNGMIN (KR)
BACK SEOYOUNG (KR)
Application Number:
PCT/KR2023/011985
Publication Date:
February 15, 2024
Filing Date:
August 11, 2023
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04L1/18; H04L1/00; H04W4/40; H04W74/08
Domestic Patent References:
| WO2022086115A1 | 2022-04-28 |
Other References:
MODERATOR (LG ELECTRONICS): "Feature lead summary#2 for AI 7.2.4.5 Physical layer procedures for sidelink", 3GPP DRAFT; R1-2002759, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20200420 - 20200430, 30 April 2020 (2020-04-30), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051879112
LENOVO: "Channel access mechanism for sidelink on FR1 unlicensed spectrum", 3GPP DRAFT; R1-2203703, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20220509 - 20220520, 29 April 2022 (2022-04-29), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052153128
NOKIA, NOKIA SHANGHAI BELL: "On Channel Access Mechanism and Evaluation Methodology for SL-U", 3GPP DRAFT; R1-2203122, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20220509 - 20220520, 29 April 2022 (2022-04-29), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052143943
INTERDIGITAL, INC.: "SL U physical layer design framework", 3GPP DRAFT; R1-2203646, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20220509 - 20220520, 29 April 2022 (2022-04-29), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052153091
LENOVO: "Channel access mechanism for sidelink on FR1 unlicensed spectrum", 3GPP DRAFT; R1-2203703, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20220509 - 20220520, 29 April 2022 (2022-04-29), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052153128
NOKIA, NOKIA SHANGHAI BELL: "On Channel Access Mechanism and Evaluation Methodology for SL-U", 3GPP DRAFT; R1-2203122, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20220509 - 20220520, 29 April 2022 (2022-04-29), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052143943
INTERDIGITAL, INC.: "SL U physical layer design framework", 3GPP DRAFT; R1-2203646, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20220509 - 20220520, 29 April 2022 (2022-04-29), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052153091
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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