US 11,943,014 B2
Channel measurement method and communications apparatus
Haifan Yin, Shenzhen (CN); Huangping Jin, Shanghai (CN); Shibin Ge, Shanghai (CN); and Xiaoyan Bi, Ottawa (CA)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Dec. 3, 2021, as Appl. No. 17/541,668.
Application 17/541,668 is a continuation of application No. PCT/CN2020/093895, filed on Jun. 2, 2020.
Claims priority of application No. 201910493468.1 (CN), filed on Jun. 6, 2019.
Prior Publication US 2022/0123793 A1, Apr. 21, 2022
Int. Cl. H04B 1/10 (2006.01); H04B 7/0417 (2017.01); H04B 7/0456 (2017.01)
CPC H04B 7/0417 (2013.01) [H04B 7/0456 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
generating, by a terminal device, first indication information based on received precoded reference signals of P ports, the first indication information indicating Q ports in the P ports, the P ports corresponding to P angle-delay pairs respectively, and each of the P angle-delay pairs comprising an angle vector and a delay vector, wherein a precoded reference signal of each port of the P ports is a reference signal precoded based on the angle vector and the delay vector of a corresponding port of the P ports, the Q ports correspond to Q angle-delay pairs in the P angle-delay pairs, P>Q≥1, and P and Q are both integers; and
sending, by the terminal device, the first indication information.