Abstmct -We present an analysis of a hybrid selection/maximal-ratio combining (H-S/MRC) diversity system over an evenly correlated slow frequency-nonselective Nakmgami fading channel. In this system, the L branches with the largest instantaneous signdtc-noise ratio (SNR) out of JV available branches are selected and combined using maximal-ratio combining. hm the joint characteristic function (c.f.) of the instantaneoua branch SNR's, we obtain an expression for the c.f. of the combiner output

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... as a series of elementary c.f.'s. The expreasion can be convs niently used to obtain the symbol error probability of coherent detection of ditferent M-ary modulation schemes.