Asymptotic BEP and SEP of MRC in Correlated Ricean Fading and Non-Gaussian Noise

TitleAsymptotic BEP and SEP of MRC in Correlated Ricean Fading and Non-Gaussian Noise
Publication TypeConference Paper
Year of Publication2007
AuthorsNezampour, A., A. Nasri, R. Schober, and Y. Ma
Conference NameVehicular Technology Conference, 2007. VTC-2007 Fall. 2007 IEEE 66th
Pagination1208 -1212
Date Publishedsep.
KeywordsBEP, bit-error probability, closed-form expressions, correlated co-channel interference, correlated Ricean fading, error statistics, fading correlation, Gaussian mixture noise, Gaussian noise, interference suppression, maximum-ratio combining, MRC, noise correlation, non-Gaussian noise, Rician channels, SEP, signal-to-noise ratios, symbol-error probability

In this paper, we study the asymptotic behavior of the bit-error probability (BEP) and symbol-error probability (SEP) of coherent maximum-ratio combining (MRC) in correlated Ricean fading and non-Gaussian noise, which in our definition also includes interference. We derive simple and easy- to-evaluate asymptotic BEP and SEP expressions which show that at high signal-to-noise ratios (SNRs) the performance of MRC depends on certain moments of the noise and interference impairing the transmission. We provide closed-form expressions for these moments for practically important types of noise such as Gaussian mixture noise, correlated co-channel interference, and correlated Gaussian interference. Interestingly, our results show that not only fading correlation but also noise correlation has an adverse effect on the asymptotic BEP and SEP.


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