Patent ID: 9712222
Date: 2017-07-18
CPC Classifications: H04B

Claim:
1. A method for transmitting feedback information for fractional beamforming using a massive antenna array from a User Equipment (UE) to a Base Station (BS) in a wireless communication system, the method comprising: receiving information about a plurality of Reference Signal (RS) resources from the BS; selecting a sub-precoder for one RS resource among the plurality of RS resources and a linking precoder for linking the plurality of RS resources, based on a preset codebook; and reporting information about the selected sub-precoder and the selected linking precoder to the BS, wherein the selected sub-precoder is one precoding matrix of precoding matrices comprised in the codebook or a permuted form of the one precoding matrix, and wherein the information about the selected sub-precoder comprises an index and permutation information of the one precoding matrix.