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

Shouyi Yang, Jiangtao Xi, Fang Wang, Xiaomin Mu, H. Kobayashi
2005 2005 International Symposium on Intelligent Signal Processing and Communication Systems  

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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
more » ... -free symbols. The effectiveness of the proposed approach has been verified by computer simulations. ABSTRACT In this paper, we propose a new approach to compensate the residual frequency offset (RFO) in multi-input multioutput 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.
doi:10.1109/ispacs.2005.1595359 fatcat:hg7egnadync3dluzg5ijzur5ee
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Shouyi Yang, Jiangtao Xi, Fang Wang, Xiaomin Mu, H. Kobayashi. "Decision aided compensation of residual frequency offset for MIMO-OFDM systems with nonlinear channel." 2005 International Symposium on Intelligent Signal Processing and Communication Systems (2005)