Minimum Mean Square Error Non-linear Transceiver Design Based on Imperfect Channel State Information

Abstract

Abstract: A design method for nonlinear transceiver with Tomlinson-Harashima precoding(THP) structure was proposed based on minimum mean square error (MSE) criterion, when the transceiver knows the imperfect channel state information (CSI) for multiple-input multiple-output (MIMO) system. The MSE is derived firstly, and then transformed as the function of only one variable being precoding matrix. By minimizing the lower bound of MSE using optimization and matrix theory, the optimal precoding matrix and the closed-form of the lower bound are obtained, so that the total non-linear transceiver matrices are solved. The simulation results show that the proposed method outperforms the existing linear transceiver and the classic THP transceiver.

Key words: non-linear transceiver, imperfect channel state information, minimum mean square error(MSE), spatial correlation

CLC Number:

TN 911.72

GENG Hui-1, HE Di-2. Minimum Mean Square Error Non-linear Transceiver Design Based on Imperfect Channel State Information[J]. Journal of Shanghai Jiaotong University, 2012, 46(11): 1806-1810.

References

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