Title:
METHOD OF IMPROVING HARQ-ACK FEEDBACK BY DETERMINING SUB-SLOT BASED TYPE-1 HARQ-ACK CODEBOOK, BASE STATION AND USER EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2023/279339
Kind Code:
A1
Abstract:
A method, a base station and a user equipment of improving HARQ-ACK feedback are provided. The method of improving HARQ-ACK feedback operable in a user equipment includes: triggering a sub-slot based Type-1 HARQ-ACK codebook based on a triggering parameter transmitted from a base station; and determining the sub-slot based Type-1 HARQ-ACK codebook based on a set of sub-slot timing values associated with an active uplink (UL) bandwidth part (BWP), a scale factor associated with a symbol number of each uplink slot and a sub-slot length for sub-slot based physical uplink control channel (PUCCH) in number of symbols, a ratio between a downlink Sub Carrier Spacing (SCS) configuration and a uplink SCS configuration, and a set of row indexes of a table that is associated with an active downlink (DL) BWP. The present disclosure improves the HARQ-ACK feedback efficiency and latency.
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Inventors:
YIN XIAOXUE (CN)
SHENG JIA (CN)
SHENG JIA (CN)
Application Number:
PCT/CN2021/105317
Publication Date:
January 12, 2023
Filing Date:
July 08, 2021
Export Citation:
Assignee:
HUIZHOU TCL CLOUD INTERNET CORPORATION TECH CO LTD (CN)
International Classes:
H04L5/00; H04L1/18; H04W72/04
Domestic Patent References:
| WO2020096438A1 | 2020-05-14 | |||
| WO2020167914A1 | 2020-08-20 |
Other References:
CATT: "Remaining issues on UCI enhancements", 3GPP DRAFT; R1-2002083, 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 , XP051875440
CATT: "Remaining issues on UCI enhancements", 3GPP DRAFT; R1-2000528, 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 , XP051853352
SAMSUNG: "Remaining issues for UCI enhancements", 3GPP DRAFT; R1-2002132, 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, 10 April 2020 (2020-04-10), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051875457
CATT: "UE feedback enhancements for HARQ-ACK", 3GPP DRAFT; R1-2007849, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20201026 - 20201113, 24 October 2020 (2020-10-24), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051946528
CATT: "Remaining issues on UCI enhancements", 3GPP DRAFT; R1-2000528, 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 , XP051853352
SAMSUNG: "Remaining issues for UCI enhancements", 3GPP DRAFT; R1-2002132, 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, 10 April 2020 (2020-04-10), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051875457
CATT: "UE feedback enhancements for HARQ-ACK", 3GPP DRAFT; R1-2007849, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20201026 - 20201113, 24 October 2020 (2020-10-24), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051946528
Attorney, Agent or Firm:
PURPLEVINE INTELLECTUAL PROPERTY (SHENZHEN) CO., LTD. (CN)
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