Slater Matsil, LLP
Method and apparatus for measuring and feeding back channel information
A method and an apparatus for measuring and feeding back channel information are disclosed. In an embodiment the method includes receiving, by a first network device, a reference signal and measuring the reference signal to obtain a measurement result. The method further includes selecting a first codebook from a first codebook set according to the measurement result, wherein the first codebook set comprises at least two first codebooks, a sub-vector Wx of each first codebook is formed by a zero vector and a non-zero vector, wherein the vectors forming the Wx correspond to different groups of antenna ports, and sending a codebook index to a second network device, wherein the codebook index corresponds to the first codebook selected from the first codebook set.
Huawei Technologies Co., Ltd.
H H H H
H04B H04B H04B H05K
inventional inventional inventional inventional
Jianghua Leiming Kunpeng
Liu Zhang Liu