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MRC performance for binary signals in Nakagami fading with general branch correlation

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3 Author(s)
P. Lombardo ; INFOCOM Dept., Rome Univ., Italy ; G. Fedele ; M. M. Rao

Exact expressions are derived for the performance of predetection maximal ratio combiner diversity reception with L correlated branches in Nakagami fading. Bit error rates are evaluated for both coherent and noncoherent binary phase-shift-keying and frequency-shift-keying signals, starting from the L-variate moment generating function of the random input power vector. The new formulation presented for the bit error rate, in which the covariance matrix of the fading at the L branches explicitly appears, allows arbitrary branch correlation to be taken into account for any diversity order in the case of identical fading severity on the branches. Results are presented for evaluation of the outage probability, for integer values of fading severity, as well as for the effect of the presence of unbalanced channels with arbitrary correlation

Published in:

IEEE Transactions on Communications  (Volume:47 ,  Issue: 1 )