Patent ID: 8903005
Filing Date: 2014-12-02
Classification: H04B,H04L

Abstract:
1. A method for sending channel information, comprising: a mobile terminal acquiring channel information; according to the channel information, determining, in a codebook space, a Rank Indicator (RI) and a Precoding Matrix Indicator (PMI) corresponding to the channel information; and sending the RI and the PMI to a base station; wherein: when the RI is equal to 8, a codebook space and/or, when the RI is equal to 7, a codebook space wherein Z and/or, when the RI is equal to 6, a codebook space wherein Z 1 and Z 2 are both 4×3 matrixes, Z 1 is composed of any 3 columns in X 1 , and Z 2 is composed of any 3 columns in X 2 , ═Z 3 is composed of any 3 columns in X 3 , and Z 4 is composed of any 3 columns in X 4 , and/or, when the RI is equal to 5, a codebook space wherein Z 1 and Z 2 are both 4×3 matrixes, Z 1 is composed of any 3 columns in X 1 , Z 2 is composed of any 3 columns in X 2 , Z 3 is composed of any 3 columns in X 3 , and Z 4 is composed of any 3 columns in X 4 ; or Z 1 is composed of any 3 columns in X 1 , Z 2 is composed of any 3 columns in X 3 , Z 3 is composed of any 3 columns in X 2 , and Z 4 is composed of any 3 columns in X 4 ; M 1 and M 2 are both 4×2 matrixes, M 1 is composed of any 3 columns in Z 1 , and M 2 is composed of any 3 columns in Z 2 ; M 3 and M 4 are both 4×2 matrixes, M 3 is composed of any 3 columns in Z 3 , and M 4 is composed of any 3 columns in Z 4 ;