MULTI-BIT SIDELINK FEEDBACK

Title:

MULTI-BIT SIDELINK FEEDBACK

Document Type and Number:

WIPO Patent Application WO/2023/184050

Kind Code:

A1

Abstract:

Certain aspects of the present disclosure provide techniques for type-1 hybrid automatic repeat request (HARQ) codebook usage and hashing for multi-bit sidelink feedback. Certain aspects provide a method for wireless communication by a first user equipment (UE). The method generally includes receiving, from a second UE, one or more sidelink data messages over a first subchannel during a time period having a duration of a first number of slots that is greater than one and transmitting, to the second UE, over a plurality of resource blocks of a sidelink feedback channel resource of a first feedback channel occasion of a set of periodically occurring feedback channel occasions, a first feedback message associated with the one or more sidelink data messages, wherein the first feedback message indicates a plurality of feedback bits comprising one or more feedback bits associated with the one or more sidelink data messages.

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Inventors:

LIU CHIH-HAO (US)
SUN JING (US)
XUE YISHENG (US)
GUO SHAOZHEN (US)
ZHANG XIAOXIA (US)

Application Number:

PCT/CN2022/083212

Publication Date:

October 05, 2023

Filing Date:

March 26, 2022

Export Citation:

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Assignee:

QUALCOMM INC (US)
LIU CHIH HAO (US)
SUN JING (US)
XUE YISHENG (US)
GUO SHAOZHEN (CN)
ZHANG XIAOXIA (US)

International Classes:

H04L5/00; H04W28/04

Foreign References:

US20200412508A1	2020-12-31
CN112930658A	2021-06-08
CN112118628A	2020-12-22
CN114144983A	2022-03-04

Other References:

ZTE, SANECHIPS: "Remaining issues on PHY procedures for Rel-16 sidelink", 3GPP DRAFT; R1-2001898, 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, 11 April 2020 (2020-04-11), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051875332

Attorney, Agent or Firm:

NTD PATENT & TRADEMARK AGENCY LTD. (CN)

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