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

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3 Author(s)
Karagiannidis, G.K. ; Inst. for Space Applications & Remote Sensing, Nat. Obs. of Athens, Greece ; Zogas, D.A. ; Kotsopoulos, S.A.

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.

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Wireless Communications, IEEE Transactions on  (Volume:2 ,  Issue: 5 )