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Title:
CONTENTION WINDOW MANAGEMENT METHOD AND SENDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/157919
Kind Code:
A1
Abstract:
Provided is a contention window management method applied to an unlicensed frequency band. The method comprises: a sending device sending one or more data packets to one or more receiving devices in one or more reference time units, with the one or more data packets occupying a first bandwidth; the sending device receiving a hybrid automatic repeat request (HARQ) for the one or more data packets from the one or more receiving devices; and the sending device determining the size of a contention window (CW) of a second bandwidth with reference to the HARQ for the one or more data packets. By means of the method provided in the present application, an update of a contention window (CW) can be determined based on HARQ feedback of a data packet, thereby improving the communication efficiency.

Inventors:
JIA, Qiong (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
ZHU, Jun (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
WU, Ji (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
Application Number:
CN2019/072869
Publication Date:
August 22, 2019
Filing Date:
January 23, 2019
Export Citation:
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Assignee:
HUAWEI TECHNOLOGIES CO., LTD. (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
International Classes:
H04W40/16; H04L5/00
Domestic Patent References:
WO2017045105A12017-03-23
Foreign References:
CN107580801A2018-01-12
CN106304386A2017-01-04
CN102802171A2012-11-28
CN104254137A2014-12-31
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