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MIMO-OFDM channel estimation in the presence of carrier frequency-offset

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4 Author(s)
Jun Li ; Inst. of Electron. Eng., Xidian Univ., Xi''an, China ; Guisheng Liao ; Qinghua Guo ; Yuntao Wu

An algorithm for joint channel and carrier frequency-offset (CFO) estimation in MIMO-OFDM using a training sequence is proposed. This algorithm is developed based on a maximum likelihood (ML) criterion, and jointly estimates the CFO and all frequency-selective channel parameters in time domain. To evaluate the performance of the algorithm, the Cramer-Rao bound (CRB) for the problem is calculated computer simulations show that the proposed algorithm can meet the CRB in certain signal-noise ratio (SNR).

Published in:

Emerging Technologies: Frontiers of Mobile and Wireless Communication, 2004. Proceedings of the IEEE 6th Circuits and Systems Symposium on  (Volume:2 )

Date of Conference:

31 May-2 June 2004