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Channel estimation of MIMO-OFDM system based on subspace

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2 Author(s)
Yu Lei ; Information and Communication Engineering College, Harbin Engineering University, 150001, China ; Yang Shenyuan

Blind channel identification and equalization methods of oversampled MIMO-OFDM systems based on subspace are discussed. The proposed method employs reduced-rank orthogonal iteration to estimate noise subspace with low computational complexity. When the number of transmit antenna is greater than that of receive antenna of MIMO-OFDM system, oversampled method is used to obtain enough information for identification. Simulation results illustrate that the proposed method can achieve good performance.

Published in:

Microwave and Millimeter Wave Technology, 2008. ICMMT 2008. International Conference on  (Volume:4 )

Date of Conference:

21-24 April 2008