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A comparison of Receiver Strategies in STBC MIMO Systems in a Challenging Environoment

Authors:
Krzysztof Kosmowski
Józef Pawelec

Keywords: STBC MIMO; ML; ZF; ML-ST

Abstract:
The subject of this paper is a comparison of the different criteria and strategies of signal reception in space-time coding MIMO systems operating under dynamic flat fading and channel cross-correlation. The dynamic fading means that a Doppler shift is comparable with the transmission rate. The criterion of comparison is a mean bit error rate. The BER characteristics are obtained via Monte Carlo simulation. Many strategies and antennas configurations are analyzed, including space-time maximum likelihood, and zero forcing, as well as 2x1, 2x2 and 2x3 antenna setup. Simulation demonstrates that the receiver with 3 antennas and simple maximum likelihood decoder usually acts better than receiver with a fewer number of antennas and a more sophisticated reception strategy.

Pages: 133 to 136

Copyright: Copyright (c) IARIA, 2011

Publication date: April 17, 2011

Published in: conference

ISSN: 2308-4022

ISBN: 978-1-61208-126-7

Location: Budapest, Hungary

Dates: from April 17, 2011 to April 22, 2011