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Performance of QDPSK signals with postdetection equal gain diversity combining in arbitrarily correlated Nakagami-m fading channels

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2 Author(s)
Ghareeb, I. ; Dept. of Electr. Eng., Jordan Univ. of Sci. & Technol., Irbid, Jordan ; Abu-Sbeih, M.

This letter derives a bit-error probability (BEP) expression for quadrature differential phase-shift keying (QDPSK) signals with post-detection equal gain combining (EGC) in additive white Gaussian noise and slow frequency-nonselective arbitrarily correlated Nakagami-m fading channels. Unlike previous work, the effects of arbitrary values of fading severity parameter m and the arbitrary correlation between the L diversity channels are considered. The derived expression can be easily computed via numerical integration routines, and hence, can be usefully exploited in the performance evaluation of digital mobile radio systems.

Published in:

Communications Letters, IEEE  (Volume:5 ,  Issue: 11 )