US 12,218,870 B2
Information feedback method and apparatus, computer storage medium
Hai Tang, Guangdong (CN); and Huei-Ming Lin, South Yarra (AU)
Assigned to GUANGDONG OPPO TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed on Apr. 22, 2023, as Appl. No. 18/138,039.
Application 18/138,039 is a continuation of application No. 16/914,249, filed on Jun. 26, 2020, granted, now 11,677,523.
Application 16/914,249 is a continuation of application No. PCT/CN2017/119138, filed on Dec. 27, 2017.
Prior Publication US 2023/0261822 A1, Aug. 17, 2023
Int. Cl. H03D 3/22 (2006.01); H04B 7/0417 (2017.01); H04L 5/00 (2006.01)
CPC H04L 5/0048 (2013.01) [H04B 7/0417 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An information feedback method, comprising:
sending, by a second terminal, N groups of reference signals to a first terminal, N being a positive integer, wherein transmission resources of the reference signals of different groups are in a pattern of time division; and
receiving, by the second terminal, index information of a target reference signal sent by the first terminal, wherein the index information is carried in a feedback channel.