A novel soft-in soft-out detector for space-time block coded OFDM systems operating over multipath fading channels is derived using the Bayesian expectation-maximization (BEM) technique. It exploits statistical information about the communication channel and can he easily incorporated in iterative receivers when outer coding is adopted at the transmitter. Numerical results evidence the efficacy of the proposed algorithm, even in the presence of significant channel variations.
A novel soft-in soft-out detection algorithm for space-time coded OFDM over multipath fading channels / Gallo, Antonio Stanislao; Vitetta, Giorgio Matteo. - STAMPA. - 1:(2004), pp. 351-355. (Intervento presentato al convegno IEEE Global Telecommunications Conference, 2004 (GLOBECOM '04) tenutosi a Dallas, Texas (USA) nel 29 Nov.- 3 Dec. 2004).
A novel soft-in soft-out detection algorithm for space-time coded OFDM over multipath fading channels
GALLO, Antonio Stanislao;VITETTA, Giorgio Matteo
2004
Abstract
A novel soft-in soft-out detector for space-time block coded OFDM systems operating over multipath fading channels is derived using the Bayesian expectation-maximization (BEM) technique. It exploits statistical information about the communication channel and can he easily incorporated in iterative receivers when outer coding is adopted at the transmitter. Numerical results evidence the efficacy of the proposed algorithm, even in the presence of significant channel variations.
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