METHOD, DEVICE AND SYSTEM FOR CONFIGURING CODEBOOK

摘要

The present invention discloses a method, device and system for configuring codebooks. The method includes the following steps: a transmitting end selects a code word restricted sub-set and informs a receiving end of it; the code word restricted sub-set includes partial or all code words in the first codebook and/or the second codebook; and the receiving end selects an optimal pre-encoded code word from the code word restricted sub-set and informs the transmitting end of the index of the optimal pre-encoded code word. By the present invention, code word restriction is implemented under the condition of double codebooks in the system of Long Term Evolution Advanced (LTE-A), so the calculation complexity is reduced when the receiving end selects the code word, conditions that receiving end selects the code word wrongly are decreased, and the signaling structure in LTE can be inherited well.