In this paper, an expectation-maximization technique for maximum a posteriori estimation is employed to devise novel soft-in soft-out algorithms for symbol detection over frequency-flat Rayleigh fading channels. An application of these algorithms to iterative decoding of coded PSK signals is proposed and some performance results are illustrated.
MAP symbol estimation on frequency-flat Rayleigh fading channels via a Bayesian EM algorithm / Chiavaccini, Eugenio; Vitetta, Giorgio Matteo. - In: IEEE TRANSACTIONS ON COMMUNICATIONS. - ISSN 0090-6778. - STAMPA. - 49:11(2001), pp. 1869-1872. [10.1109/26.966048]
MAP symbol estimation on frequency-flat Rayleigh fading channels via a Bayesian EM algorithm
CHIAVACCINI, Eugenio;VITETTA, Giorgio Matteo
2001
Abstract
In this paper, an expectation-maximization technique for maximum a posteriori estimation is employed to devise novel soft-in soft-out algorithms for symbol detection over frequency-flat Rayleigh fading channels. An application of these algorithms to iterative decoding of coded PSK signals is proposed and some performance results are illustrated.
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