Patent ID: 8477867
Filing Date: 2013-07-02
Classification: H04B

Abstract:
1. A method of configuring a multi-cell precoding matrix for a multiple input multiple output (MIMO) operation in a wireless communication system in which a plurality of base stations participate in cooperative communication, the method comprising: configuring the multi-cell precoding matrix using one or more single-cell precoding matrices, wherein coefficients to be multiplied by the single-cell precoding matrices satisfy a condition in which the product between the multi-cell precoding matrix and a Hermitian matrix of the multi-cell precoding matrix is a unitary matrix, wherein the multi-cell precoding matrix is configured by assigning a same single-cell precoding matrix in a row direction or a column direction of the multi-cell precoding matrix, and wherein the multi-cell precoding matrix is obtained according to Equation (E-1) and Equation (E-2): where W