This contribution deals with the Turbo-like noncoherent data-aided (e.g., no blind) synchronization of Ultra-Wideband Impulse-Radio (UWB-IR) terminals operating over broadband channels affected by multipath fading with "a priori" unknown number of paths. The synchronizer we develop achieves the data-aided joint estimate of the number of paths and their arrival times without requiring any a priori knowledge of the amplitude (module and sign) of the channel-gains. The ultimate performance of the proposed synchronizer is evaluated by considering the number of pilots needed to estimate the channel delays and, more, the Bit Error Rate achievable on the basis of delays and amplitude estimation. The idea behind this approach is to use a turbo-like structure to improve performance so to allow a SNR gain even if channel models are considered in the presence of Inter Pulse Interference (IPI). © 2008 IEEE.
Turbo-like Synchronization for UWB-IR links / BIAGI, MAURO; BACCARELLI, Enzo; PELIZZONI, C; CORDESCHI, Nicola; SALAS ARZOLA, I.. - (2008), pp. 508-512. (Intervento presentato al convegno 2008 IEEE International Symposium on Wireless Communication Systems, ISWCS'08 tenutosi a ReykjavIk; Iceland nel 21-24 October 2008) [10.1109/ISWCS.2008.4726108].
Turbo-like Synchronization for UWB-IR links
BIAGI, MAURO;BACCARELLI, Enzo;CORDESCHI, Nicola;
2008
Abstract
This contribution deals with the Turbo-like noncoherent data-aided (e.g., no blind) synchronization of Ultra-Wideband Impulse-Radio (UWB-IR) terminals operating over broadband channels affected by multipath fading with "a priori" unknown number of paths. The synchronizer we develop achieves the data-aided joint estimate of the number of paths and their arrival times without requiring any a priori knowledge of the amplitude (module and sign) of the channel-gains. The ultimate performance of the proposed synchronizer is evaluated by considering the number of pilots needed to estimate the channel delays and, more, the Bit Error Rate achievable on the basis of delays and amplitude estimation. The idea behind this approach is to use a turbo-like structure to improve performance so to allow a SNR gain even if channel models are considered in the presence of Inter Pulse Interference (IPI). © 2008 IEEE.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
