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Very low complexity space-time decision feedback equalization of intersymbol interference on severe frequency-selective fading channels

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2 Author(s)

Decision feedback equalization (DFE) and antenna diversity combining are two practical and well-known techniques for combating multipath ISI due to frequency-selective fading. We propose a scalable very low complexity combination of antenna combining and decision feedback equalization, which considers the characteristics of mobile communication channels. The performance of this new equalization method is compared to state-of-the-art equalizers by means of simulations. The complexity is evaluated by estimating the total computing expenditure. In addition a very efficient low-cost hardware structure for implementation is proposed. The algorithms are adapted for this hardware structure and the performance of this optimization is illustrated by simulation results.

Published in:

Vehicular Technology Conference, 2002. VTC Spring 2002. IEEE 55th  (Volume:2 )

Date of Conference:

2002