In this paper a novel feedback frequency synchronizer for OFDM signals transmitted over multipath fading channels is described. Its derivation is based on maximum likelihood (ML) estimation techniques and assumes an approximate statistical knowledge of the communication channel. The performance of the proposed algorithm is assessed by computer simulation and is compared with that provided by other synchronization algorithms and with Cramer-Rao bounds.
Maximum likelihood frequency recovery for OFDM signals transmitted over multipath fading channels / Chiavaccini, Eugenio; Vitetta, Giorgio Matteo. - STAMPA. - 2:(2001), pp. 1376-1380. (Intervento presentato al convegno 2001 IEEE Global Telecommunications Conference (GLOBECOM '01) tenutosi a San Antonio, Texas, USA nel 25-29 Nov., 2001).
Maximum likelihood frequency recovery for OFDM signals transmitted over multipath fading channels
CHIAVACCINI, Eugenio;VITETTA, Giorgio Matteo
2001
Abstract
In this paper a novel feedback frequency synchronizer for OFDM signals transmitted over multipath fading channels is described. Its derivation is based on maximum likelihood (ML) estimation techniques and assumes an approximate statistical knowledge of the communication channel. The performance of the proposed algorithm is assessed by computer simulation and is compared with that provided by other synchronization algorithms and with Cramer-Rao bounds.
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