On the Performance Analysis of Multi-antenna Relaying System over Rayleigh Fading Channel
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چکیده
In this work, the end-to-end performance of an amplify-and-forward multi-antenna infrastructure-based relay (fixed relay) system over flat Rayleigh fading channel is investigated. New closed form expressions for the statistics of the received signal-to-noise ratio (SNR) are presented and applied for studying the outage probability and the average bit error rate of the digital receivers. The results reveal that the system performance improves significantly (roughly 3 dB) for M=2 over that for M=1 in both low and high signal-tonoise ratio. However, little additional performance improvement can be achieved for M>2 relative to M=2 at high SNR. Index Terms — Diversity, fading channel, moment generating function(mgf) , outage probability.
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تاریخ انتشار 2010