Patent ID: 8644414
Filing Date: 2014-02-04
Classification: H04B,H04L

Abstract:
1. A base station for a multiple input multiple output (MIMO) communication system, the base station comprising: a memory where a codebook including codeword matrices C 1,2 , C 2,2 , C 3,2 , C 4,2 , C 5,2 , C 6,2 , C 7,2 , C 8,2 , C 9,2 , C 10,2 , C 11,2 , C 12,2 , C 13,2 , C 14,2 , C 15,2 , and C 16,2 is stored; and a precoder to precode a data stream to be transmitted using the codebook, wherein the codeword matrices are defined by following table: