STBC-DFE Systems with Different Factorization Algorithms

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 01 Jan 2006Publisher:IEEEJournal:2006 Canadian Conference on Electrical and Computer Engineering

Authors: Feng Zhang; Lin Wang; Abu B. Sesay;

doi: 10.1109/ccece.2006.277562 , 10.1109/ccece.2006.277418

STBC-DFE Systems with Different Factorization Algorithms

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Abstract

A Multiple-Input-Multiple-Output (MIMO) system in which Space-Time Block Coded (STBC) signals are equalized by a Decision Feedback Equalizer (DFE) is presented in this paper. Three factorization algorithms including band LU, band LDL and band Cholesky factorization are used to obtain the optimum feedback and feedforward filter matrices of the STBC-DFE systems. The complexities of these three methods are investigated in this paper. Their performances in the typical urban (TU) wireless channel are also compared. Band LDL factorization is proven to be the simplest algorithm of the proposed scheme.

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University of Calgary
Canada
Polytechnique Montréal
Canada

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