MIMO-OFDM系统中一种改进的盲信道估计算法

doi:10.3969/j.issn.0255-8297.2016.03.005

Abstract

Abstract:

Channel estimation for MIMO-OFDM systems by linear precoding requires repeated calculation of ambiguity matrices. To solve the problem, a blind channel estimation algorithm is proposed. It unifies different channel ambiguity matrices by processing crosscorrelation matrices of received signal, and then estimates the channel using an iterative method. Simulation results show that the proposed algorithm has good mean square error performance and convergence, and less computational complexity compared with existing channel estimation methods based on linear precoding.

Key words: multiple-input multiple-output (MIMO), orthogonal frequency division multiplexing (OFDM), precoding, blind channel estimation

CLC Number:

TN911.23

LI Guo-min, LIU Xin, KANG Xiao-fei, LIAO Gui-sheng. Improved Blind Channel Estimation for MIMO-OFDM Systems[J]. Journal of Applied Sciences, 2016, 34(3): 286-292.

References

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Improved Blind Channel Estimation for MIMO-OFDM Systems

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