EFFECTIVE CALCULATION OF WEIGHT FILTER FACTORS FOR MIMO SYSTEM

摘要

1. A device comprising:! the first processor, which during operation receives the channel response matrix; and! the second processor, which during operation iteratively obtains the first matrix based on the channel response matrix and displays a spatial filter matrix based on the first matrix and the channel response matrix, while the second processor indirectly calculates the matrix inversion by iteratively obtaining the first matrix. ! 2. The device according to claim 1, in which the second processor during operation initializes the first matrix to a single matrix. ! 3. The device according to claim 1, in which the second processor during operation for each of the many iterations receives an intermediate row vector based on the first matrix and the channel response row vector corresponding to the channel response matrix row to obtain a scalar value based on the intermediate row vector and the channel response row vector to obtain an intermediate matrix based on the intermediate row vector and to update the first matrix based on the scalar value and this intermediate matrix. ! 4. The device according to claim 1, in which the first matrix is designed for a spatial filter matrix with a minimum mean square error (MMSE). ! 5. The device according to claim 1, in which the second processor during operation receives the first matrix based on the following equation:! ! where Pi is the first matrix for the i-th iteration, hi is the i-th row of the channel response matrix, ri is the scalar value obtained from hi and Pi-1, and “H” is the conjugate permutation. ! 6. The device according to claim 1, in which the second processor during operation, the floor