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Title:
METHOD AND APPARATUS FOR CONFIGURATION OF DMRS CONSIDERING LBT OPERATION IN SIDELINK COMMUNICATION IN UNLICENSED BAND
Document Type and Number:
WIPO Patent Application WO/2024/005514
Kind Code:
A1
Abstract:
A method and apparatus for configuration of a DMRS considering an LBT operation in sidelink communication in an unlicensed band are disclosed. The method for first UE comprises the steps of: performing an LBT operation for transmission of a channel in an unlicensed band; identifying, within a first slot, one or more DMRS locations on the basis of a first location of a symbol in which the LBT operation is successful; transmitting the channel to second UE after the LBT operation is successful; and transmitting a DMRS to the second UE at the one or more DMRS locations.

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Inventors:
HONG UI HYUN (KR)
Application Number:
PCT/KR2023/008969
Publication Date:
January 04, 2024
Filing Date:
June 27, 2023
Export Citation:
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Assignee:
HYUNDAI MOTOR CO LTD (KR)
KIA CORP (KR)
International Classes:
H04W72/04; H04L5/00; H04W4/40; H04W24/08; H04W72/20; H04W74/08; H04W92/18
Foreign References:
KR20200144112A2020-12-28
Other References:
FUTUREWEI: "Discussion of physical channel designs for sidelink transmission in unlicensed spectrum", 3GPP DRAFT; R1-2204098, 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, XP052153366
LG ELECTRONICS: "Discussion on physical layer structure for NR sidelink", 3GPP DRAFT; R1-2000781, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20200224 - 20200306, 15 February 2020 (2020-02-15), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051853440
FRAUNHOFER HHI, FRAUNHOFER IIS: "NR Sidelink Unlicensed Physical Channel Design", 3GPP DRAFT; R1-2204608, 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, XP052153608
NOKIA, NOKIA SHANGHAI BELL: "On Physical Channel Design Framework for SL-U", 3GPP DRAFT; R1-2203123, 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, XP052143944
Attorney, Agent or Firm:
E-SANG PATENT & TRADEMARK LAW FIRM (KR)
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