An efficient approach to multivariate Nakagami-m distribution using Green's matrix approximation

Authors:
G. K. Karagiannidis;D. A. Zogas;S. A. Kotsopoulos
Affiliations:
Inst. for Space Applications & Remote Sensing, Nat. Obs. of Athens, Greece;-;-
Venue:
IEEE Transactions on Wireless Communications
Year:
2003

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Abstract

An efficient approach for the evaluation of the Nakagami-m (1960) multivariate probability density function (PDF) and cumulative distribution function (CDF) with arbitrary correlation is presented. Approximating the correlation matrix with a Green's matrix, useful closed formulas for the joint Nakagami-m PDF and CDF, are derived. The proposed approach is a significant theoretical tool that can be efficiently used in the performance analysis of wireless communications systems operating over correlative Nakagami-m fading channels.