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International Journal of Antennas and Propagation
Volume 2011, Article ID 516929, 8 pages
http://dx.doi.org/10.1155/2011/516929
Research Article

Bit Error Rate Performance of a MIMO-CDMA System Employing Parity-Bit-Selected Spreading in Frequency Nonselective Rayleigh Fading

1School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, Canada K1N 6N5
2Département de génie électrique et génie informatique, Université du Québec à Trois Rivières, Trois Rivières, Canada G9A 5H7

Received 2 February 2011; Revised 15 May 2011; Accepted 27 June 2011

Academic Editor: Athanasios Panagopoulos

Copyright © 2011 Claude D'Amours and Adel Omar Dahmane. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We analytically derive the upper bound for the bit error rate (BER) performance of a single user multiple input multiple output code division multiple access (MIMO-CDMA) system employing parity-bit-selected spreading in slowly varying, flat Rayleigh fading. The analysis is done for spatially uncorrelated links. The analysis presented demonstrates that parity-bit-selected spreading provides an asymptotic gain of dB over conventional MIMO-CDMA when the receiver has perfect channel estimates. This analytical result concurs with previous works where the (BER) is determined by simulation methods and provides insight into why the different techniques provide improvement over conventional MIMO-CDMA systems.