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Compromis facteur de diversité -facteur de multiplexage Zheng03facteur de diversité d = d t N r = − limSNR→∞facteur de multiplexage r = limSNR→∞log P e (SNR)log SNRR(SNR)log SNRSi T ≥ N t + N r − 1, on a la relation limite : d = (N t − r)(N r − r)(0,N tN r)Diversity−multiplexing tradeoffDiversity gain, d(r)Multiple antennachannel(1,(N t−1)(N r−1))(2,(N t−2)(N r−2))(r,(N t−r)(N r−r))(0,1)Single antennachannel(min(N t,N r),0)(1,0) Multiplexing gain, rCNAM Cours ELE 203. – p.31/77