NDLI: Another look at the performance of MRC schemes in Nakagami-m fading channels with arbitrary parameters

Content Provider	IEEE Xplore Digital Library
Author	Aalo, V.A. Piboongungon, T. Efthymoglou, G.P.
Copyright Year	1972
Abstract	In this letter, we take a close look at the performance of maximal ratio combining (MRC) schemes operating in a flat-Nakagami-m fading environment with arbitrary fading parameters. We derive an expression for the probability density function (pdf) of the output signal-to-noise ratio (SNR) by expressing the moment generating function of the output SNR in the form of multiple Barnes-type contour integrals. By evaluating the inverse transform and converting the multiple contour integrals into infinite series, we are able to derive an expression for the pdf of the output SNR when the Nakagami fading parameters along the diversity branches take on real and arbitrary values. Consequently, the average bit-error rate can now be expressed in terms of Lauricella's multivariate hypergeometric function, which can be easily evaluated numerically. Special cases of the main results reduce to known results in the literature. The results, which apply to independent as well as correlated diversity branches, will be useful for predicting the system performances when the Nakagami fading parameters are real and arbitrary.
Starting Page	2002
Ending Page	2005
Page Count	4
File Size	139790
File Format	PDF
ISSN	00906778
Volume Number	53
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Diversity reception Bit error rate Rayleigh channels Signal to noise ratio Wireless communication System performance Probability density function Nakagami distribution Interference Nakagami- Lauricella's hypergeometric functions maximal ratio combining (MRC)
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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