Title:
METHOD AND APPARATUS FOR HARQ-ACK CODEBOOK DETERMINATION
Document Type and Number:
WIPO Patent Application WO/2020/024187
Kind Code:
A1
Abstract:
Method and apparatus for HARQ-ACK codebook determination are disclosed. One method of UE includes receiving one or more downlink transmissions; determining a first set of HARQ-AC feedback timing values for generating a first HARQ-ACK codebook; performing a first Listen-Before-Talk (LBT) for transmitting the first HARQ-ACK codebook in a first transmission opportunity, wherein the first HARQ-ACK codebook includes the HARQ-ACK feedback corresponding to the one or more downlink transmissions; transmitting the first HARQ-ACK codebook in the first transmission opportunity in response to the first LBT being successful; and determining a second set of HARQ-ACK feedback timing values for generating a second HARQ-ACK codebook and performing a second LBT for transmitting the second HARQ-ACK codebook in a second transmission opportunity in response to the first LBT being unsuccessful, wherein the second HARQ-ACK codebook includes the HARQ-ACK feedback corresponding to the one or more downlink transmissions.
Inventors:
LEI HAIPENG (CN)
GOLITSCHEK EDLER VON ELBWART ALEXANDER (DE)
GOLITSCHEK EDLER VON ELBWART ALEXANDER (DE)
Application Number:
PCT/CN2018/098133
Publication Date:
February 06, 2020
Filing Date:
August 01, 2018
Export Citation:
Assignee:
LENOVO BEIJING LTD (CN)
International Classes:
H04L1/18
Domestic Patent References:
| WO2017186174A1 | 2017-11-02 | |||
| WO2017030417A1 | 2017-02-23 |
Foreign References:
| CN108289015A | 2018-07-17 |
Other References:
HUAWEI ET AL.: "HARQ enhancements in NR unlicensed", 3GPP TSG RAN WGI MEETING #93 R1-1805918, 25 May 2018 (2018-05-25), XP051441137
See also references of EP 3830993A4
See also references of EP 3830993A4
Attorney, Agent or Firm:
CHINA SINDA INTELLECTUAL PROPERTY LTD. (CN)
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