Decision aided compensation of residual frequency offset for MIMO-OFDM systems with nonlinear channel

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2005 International Symposium on Intelligent Signal Processing and Communication Systems, Page: 113-116

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Yang, Shouyi; Xi, Jiangtao; Wang, Fang; Mu, Xiaomin; Kobayashi, Hideo
Institute of Electrical and Electronics Engineers (IEEE)
Physical Sciences and Mathematics
conference paper description
In this paper, we propose a new approach to compensate the residual frequency offset (RFO) in multi-input multi-output orthogonal frequency division multiplexing (MIMO-OFDM) system with nonlinear channel working in the burst mode. The proposed approach consists of two stages. Firstly a decision aided method is proposed to eliminate the nonlinearity introduced by high power transmit amplifier (HPA). Then a new decision aided approach is employed to achieve the RFO compensation on the nonlinearity-free symbols. The effectiveness of the proposed approach has been verified by computer simulations.