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Title:
METHOD AND APPARATUS FOR SELECTING UPLINK ANTENNA
Document Type and Number:
WIPO Patent Application WO/2019/191932
Kind Code:
A1
Abstract:
Provided are a method and apparatus for selecting an uplink antenna. The method comprises: receiving, from a network device, an index of a precoding matrix and the number of layers of uplink transmission; determining a first target codebook according to the number of layers of uplink transmission and the number of physical antennas of a communication apparatus, wherein the first target codebook comprises multiple first precoding matrices; and according to a first target precoding matrix, corresponding to the index, in the multiple first precoding matrices, determining a target physical antenna for sending uplink information by means of the communication apparatus. According to the embodiments of the present application, by means of providing, in a codebook, multiple precoding matrices that can indicate physical antennas, communication apparatuses under various antenna capabilities can all select, from multiple physical antennas, a physical antenna for sending uplink information.

Inventors:
ZHU, Huiying (Huawei Administration Building, BantianLonggang Distric, Shenzhen Guangdong 9, 518129, CN)
JI, Liuliu (Huawei Administration Building, BantianLonggang Distric, Shenzhen Guangdong 9, 518129, CN)
DOU, Shengyue (Huawei Administration Building, BantianLonggang Distric, Shenzhen Guangdong 9, 518129, CN)
LI, Yuanjie (Huawei Administration Building, BantianLonggang Distric, Shenzhen Guangdong 9, 518129, CN)
Application Number:
CN2018/081884
Publication Date:
October 10, 2019
Filing Date:
April 04, 2018
Export Citation:
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Assignee:
HUAWEI TECHNOLOGIES CO., LTD. (Huawei Administration Building, BantianLonggang Distric, Shenzhen Guangdong 9, 518129, CN)
International Classes:
H04B7/0456; H04B7/0413
Domestic Patent References:
WO2016204591A12016-12-22
WO2015180178A12015-12-03
Foreign References:
CN102938687A2013-02-20
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (8F-6, Bldg.A Winland International Center,No.32 Xizhimen North Street, Haidian District, Beijing 2, 100082, CN)
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