US 11,894,896 B2
Codebook processing method, terminal device and network device
Wenhong Chen, Guangdong (CN); Yun Fang, Guangdong (CN); and Zhihua Shi, Guangdong (CN)
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed on Dec. 28, 2022, as Appl. No. 18/147,697.
Application 18/147,697 is a continuation of application No. 17/361,777, filed on Jun. 29, 2021, granted, now 11,575,418.
Application 17/361,777 is a continuation of application No. PCT/CN2019/070708, filed on Jan. 7, 2019.
Prior Publication US 2023/0170954 A1, Jun. 1, 2023
Int. Cl. H04L 1/02 (2006.01); H04B 7/0456 (2017.01); H04L 5/00 (2006.01)
CPC H04B 7/0486 (2013.01) [H04L 5/0057 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A method for codebook processing, applied to a network device, the method comprising:
receiving, through channel state information (CSI), information comprising first weighting coefficients for codebook calculation acquired by processing second weighting coefficients from a terminal device, wherein the second weighting coefficients are determined based on a first number and a second number, a value of L representing the first number is half of a number of spatial beams, a value of M representing the second number is a number of discrete fourier transform (DFT) basis vectors, L and M are both integers, and the second weighting coefficients comprise amplitude coefficients; and
determining a corresponding codebook based on information comprising the first weighting coefficients, and determining downlink channel information of the terminal device based on the determined codebook.