A Double Codebook Precoding Method for MIMO System

摘要

In Multiple-Input Multiple-Output system,when the transmitter obtains the quantized channel information by a limited feedback link from the receiver,better performance can be achieved due to the precoding.In this paper,based on implicit feedback method,a double codebook precoding scheme is proposed.Simulation results show that the proposed precoding method can provide some performance gains compared with the single codebook precoding scheme in LTE R8 release.