Title:
METHOD, APPARATUS AND SYSTEM FOR DETERMINING CHANNEL MATRIX
Document Type and Number:
WIPO Patent Application WO/2022/105457
Kind Code:
A1
Abstract:
Provided are a method, apparatus and system for determining a channel matrix, which relate to the technical field of communications, and can ameliorate the technical problem of the manner in which a network device determines a precoding matrix on the basis of an existing PMI not being applicable to long-distance communication. The method comprises: a terminal device acquiring a plurality of reference signals, determining a first channel matrix according to the plurality of reference signals, and feeding back first information, which is used for indicating some channel elements in the first channel matrix, to a network device. The terminal device can also receive a downlink signal that is determined according to the first information and is sent by the network device. Each of the some channel elements is determined according to the signal strength and/or a time-frequency resource of the reference signal.
Inventors:
CHEN YING (CN)
ZHOU JIANWEI (CN)
LUO HEJIA (CN)
WANG YU (CN)
WANG JUN (CN)
ZHOU JIANWEI (CN)
LUO HEJIA (CN)
WANG YU (CN)
WANG JUN (CN)
Application Number:
PCT/CN2021/121864
Publication Date:
May 27, 2022
Filing Date:
September 29, 2021
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04B17/30; H04B7/0456; H04W24/10
Domestic Patent References:
| WO2019019839A1 | 2019-01-31 | |||
| WO2020221582A1 | 2020-11-05 |
Foreign References:
| CN111866938A | 2020-10-30 | |||
| CN107733549A | 2018-02-23 | |||
| CN105119642A | 2015-12-02 |
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (CN)
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