METHODS AND APPARATUSES FOR HARQ-ACK CODEBOOK DETERMINATION PER DCI

Title:

METHODS AND APPARATUSES FOR HARQ-ACK CODEBOOK DETERMINATION PER DCI

Document Type and Number:

WIPO Patent Application WO/2023/155169

Kind Code:

A1

Abstract:

The present disclosure relates to methods and apparatuses for HARQ-ACK codebook determination per DCI. According to some embodiments of the disclosure, a UE ma: receive a plurality of DCI formats, wherein each of the plurality of DCI formats schedules one or more PDSCH transmissions on one or more carriers, and the plurality of DCI formats indicates a same slot for transmitting a HARQ-ACK codebook; divide the plurality of DCI formats into at least two sets, wherein a first set of the at least two sets comprises all first type DCI formats of the plurality of DCI formats and a second set of the at least two sets comprises all second type DCI formats of the plurality of DCI formats, wherein each first type DCI format requires a single HARQ-ACK information bit and each second type DCI format requires more than one HARQ-ACK information bit, and wherein DAIs of the first type DCI formats are counted independently from those of the second type DCI formats; generate a first HARQ-ACK sub-codebook comprising HARQ-ACK information bits for DCI formats in the first set; generate a second HARQ-ACK sub-codebook comprising HARQ-ACK information bits for DCI formats in the second set; and transmit the HARQ-ACK codebook comprising the first HARQ-ACK sub-codebook and the second HARQ-ACK sub-codebook.

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Inventors:

LEI HAIPENG (CN)
ZHANG YU (CN)

Application Number:

PCT/CN2022/076938

Publication Date:

August 24, 2023

Filing Date:

February 18, 2022

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Assignee:

LENOVO BEIJING LTD (CN)

International Classes:

H04W72/04; H04L1/00

Domestic Patent References:

WO2019099383A1	2019-05-23
WO2021087980A1	2021-05-14

Foreign References:

CN112398607A	2021-02-23
CN112399621A	2021-02-23

Other References:

ERICSSON: "PDSCH/PUSCH enhancements", 3GPP DRAFT; R1-2111468, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20211111 - 20211119, 6 November 2021 (2021-11-06), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052074884

Attorney, Agent or Firm:

LEE AND LI - LEAVEN IPR AGENCY LTD. (CN)

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