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Research on an iterative algorithm of LS channel estimation in MIMO OFDM systems

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4 Author(s)
Yantao Qiao ; Inst. of Image Commun. & Inf. Process., Shanghai Jiaotong Univ., China ; Songyu Yu ; Pengcheng Su ; Lijun Zhang

An iterative Least Square (LS) channel estimation algorithm for MIMO OFDM systems was proposed in this paper. Compared to common LS channel estimation, this algorithm can greatly improve estimation accuracy, and the low-pass filtering in time domain reduces AWGN and ICI significantly. MIMO OFDM system with this algorithm also works well in mobile situations. Simulation results have shown good MSE performance for this algorithm.

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Broadcasting, IEEE Transactions on  (Volume:51 ,  Issue: 1 )