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A Minimum-Complexity High-Performance Channel Estimator for MIMO-OFDM Communications | IEEE Journals & Magazine | IEEE Xplore

A Minimum-Complexity High-Performance Channel Estimator for MIMO-OFDM Communications


Abstract:

Channel estimation is critical to the performance of a multiple-input multiple-output and orthogonal frequency-division-multiplexing (MIMO-OFDM) communication system. Cur...Show More

Abstract:

Channel estimation is critical to the performance of a multiple-input multiple-output and orthogonal frequency-division-multiplexing (MIMO-OFDM) communication system. Current MIMO-OFDM channel estimation techniques suffer from either high complexity or poor performance. In fact, this issue has become one of the bottlenecks of a practical MIMO-OFDM system. This paper solves the problem by introducing a new technique that has minimum complexity and yet provides superior channel tracking performance close to a minimum mean square error (MMSE) estimate over a wide range of channel selectivity and noise variance. The performance was evaluated via numerical simulations.
Published in: IEEE Transactions on Vehicular Technology ( Volume: 59, Issue: 9, November 2010)
Page(s): 4634 - 4639
Date of Publication: 30 September 2010

ISSN Information:


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