Analytical Results for the Performance of MIMO Systems in Frequency Selective Fading Channels

The performance of spatial multiplexing-based Multiple-Input Multiple Output (MIMO) systems using Zero Forcing (ZF) detector in frequency selective fading channels is analyzed in this paper. The approximation of a linear combination of Wishart matrices is used to derive the probability density function (p.d.f.) of output Signal-to-Noise Ratio (SNR) expression. Analytical error rate expressions for the system are obtained with the assumption that inter-path interference is omitted. Simulations are carried out to evaluate the analytical results. The authors relate the diversity order of frequency selective fading channels with the multipath power delay profile.

Provided by: Institute of Electrical & Electronic Engineers Topic: Mobility Date Added: Jul 2010 Format: PDF

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