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Article Dans Une Revue IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Année : 2008

New Closed-Form of the Largest Eigenvalue PDF for Max-SNR MIMO System Performances

Jonathan Letessier
  • Fonction : Auteur
Baptiste Vrigneau
Phillipe Rostaing
Gilles Burel

Résumé

Multiple-input multiple-output (MIMO) maxi-mum-SNR (max-SNR) system employs the maximum ratio combiner (MRC) at the receiver side and the maximum ratio transmitter (MRT) at the transmitter side. Its performances highly depend on MIMO channel characteristics, which vary according to both the number of antennas and their distribution between the transmitter and receiver sides. By using the decomposition of the ordered Wishart distribution in the uncorrelated Rayleigh case, we derived a closed-form expression of the largest eigenvalue probability density function (PDF). The final result yields to an expression form of the PDF where polynomials are multiplied by exponentials; it is worth underlining that, though this form had been previously observed for given couples of antennas, to date no formally-written closed-form was available in the literature for an arbitrary couple. Then, this new expression permits one to quickly and easily get the well known largest eigenvalue PDF and use it to determine the binary error probability (BEP) of the max-SNR.
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Dates et versions

hal-00395151 , version 1 (15-06-2009)

Identifiants

  • HAL Id : hal-00395151 , version 1

Citer

Jonathan Letessier, Baptiste Vrigneau, Phillipe Rostaing, Gilles Burel. New Closed-Form of the Largest Eigenvalue PDF for Max-SNR MIMO System Performances. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 2008, E91-A (7), pp.1791-1796. ⟨hal-00395151⟩
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