DATA TRANSMISSION METHOD AND APPARATUS

WIPO Patent Application WO/2022/121797

A1

Provided are a data transmission method and apparatus. The method comprises: an access network device carrying out first encoding on a channel state information-reference signal (CSI-RS), so as to generate first information, wherein the CSI-RS is used for acquiring channel state information (CSI) which corresponds to a channel between the access network device and a terminal device; the access network device sending the first information to the terminal device by means of N radio frequency links, wherein N is a positive integer; the access network device receiving third information from the terminal device, wherein the third information is generated by means of the terminal device carrying out second encoding on second information, and the second information is determined by the terminal device on the basis of the first information and the CSI-RS; and the access network device carrying out first decoding on the third information, so as to generate the CSI, wherein the first decoding comprises decoding which corresponds to the first encoding. Thus, resources occupied during a CSI acquisition process can be reduced.

WANG SIHAI (CN)
BI SHUANGKAISHENG (CN)
LI XUERU (CN)
QIN CHENG (CN)

PCT/CN2021/135367

June 16, 2022

December 03, 2021

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HUAWEI TECH CO LTD (CN)

H04W28/16; H04L5/00

WO2020180221A1

2020-09-10

CN109787664A	2019-05-21
CN109417412A	2019-03-01
CN202011444244A	2020-12-08
CN202110012794A	2021-01-06
CN202110214243A	2021-02-25

LONGSUN LEAD IP LTD. (CN)

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