NDLI: New results for the multivariate Nakagami-m fading model with arbitrary correlation matrix and applications

Content Provider	IEEE Xplore Digital Library
Author	Alexandropoulos, G.C. Sagias, N.C. Lazarakis, F.I. Berberidis, K.
Copyright Year	2002
Abstract	New results for the multichannel Nakagami-m fading model with an arbitrary correlation matrix are presented in this paper. By using an efficient tridiagonalization method based on Householder matrices, the inverse of the Gaussian correlation matrix is transformed to tridiagonal, managing to derive a closed-form union upper bound for the joint Nakagami-m probability density function and an exact analytical expression for the moment generating function of the sum of identically distributed gamma random variables. Our analysis considers an arbitrary correlation structure, which includes as special cases the exponential, constant, circular, and linear correlation ones. Based on the proposed mathematical analysis, we obtain a tight union upper bound for the outage probability of multibranch selection diversity receivers as well as exact analytical expressions for the outage and the average error probability of multibranch maximal-ratio diversity receivers. Our analysis is verified by comparing numerically evaluated with extensive computer simulation performance evaluation results, showing the usefulness of the proposed approach.
Starting Page	245
Ending Page	255
Page Count	11
File Size	717510
File Format	PDF
ISSN	15361276
Volume Number	8
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-01-01
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 Wireless communication Informatics Laboratories Upper bound Probability density function Random variables Performance analysis Mobile antennas selection combining (SC) Bit error rate (BER) correlated fading correlation models diversity Householder matrix maximal-ratio combining (MRC) multichannel receivers multivariate analysis Nakagami-m fading outage probability
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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