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A BEM-based algorithm for soft-in soft-output detection of co-channel signals

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3 Author(s)
Gallo, A.S. ; Dept. of Inf. Eng., Univ. of Modena & Reggio Emilia, Italy ; Vitetta, G.M. ; Chiavaccini, E.

In this paper, a soft-in soft-out multiuser detector for synchronous co-channel signals transmitted over frequency-flat Rayleigh-fading channels is described. The derivation of the proposed algorithm is based on a generalization of the expectation-maximization (EM) algorithm, called Bayesian EM. Performance results for both uncoded and coded phase shift keying transmissions show the efficacy of the proposed multiuser detection technique over slowly time-varying fading channels in a two-user system.

Published in:

Wireless Communications, IEEE Transactions on  (Volume:3 ,  Issue: 5 )

Date of Publication:

Sept. 2004

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