On the constrained MMSE decision feedback equalization for MIMO wireless systems.

Nguyen, Huan X. ORCID: https://orcid.org/0000-0002-4105-2558 and Choi, Jinho (2005) On the constrained MMSE decision feedback equalization for MIMO wireless systems. In: Communications, 2005 Asia-Pacific Conference [proceedings]. IEEE, pp. 329-333. ISBN 0780391322. [Book Section] (doi:10.1109/APCC.2005.1554074)

Abstract

Constraints imposed on designing the decision feedback equalizers (DFE) are used effectively to mitigate propagation errors. In this paper, we introduce a novel design of the constrained minimum mean squared error (MMSE) DFE for a multi-input multi-output (MIMO) system under intersymbol interference (ISI) environment. The proposed design results in a significantly improved performance compared to the conventional MIMO MMSE-DFE, especially under the practical situation where the channel is not perfectly estimated and the channel coding is employed.

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