This paper deals with the comparison of different multiple access techniques and different impulses in a multiple access communication systems based on Ultra Wide Band (UWB) impulse radio technology under non-ideal conditions. Several multiple access techniques and impulses have been designed and compared in the past, but mainly with the assumption of perfect synchronization of the users and perfect recovering of frame synchronization at the receiver. In this paper this unpractical assumptions are dropped. The results have been obtained by computer simulations. The sensitivity to synchronization errors of the Time Hopping PPM and the Direct Sequence multiple access techniques has been carried out with two different pulse shapes: the Gaussian monocycle and the Doublet. The impact of multiple access interference is also reported in the paper in order to have an exhaustive comparison of the UWB systems.

Impact of synchronization errors and multiple access interference to the performance of UWB impulse radio systems / Mucchi Lorenzo; Marabissi Dania; Ranaldi Marco; Del Re Enrico; Fantacci Romano. - STAMPA. - (2004), pp. 477-482. (Intervento presentato al convegno IEEE International Symposium on Spread Spectrum Techniques and Applications, ISSSTA 2004; tenutosi a Sydney; Australia nel Aug-Sept 2004) [10.1109/ISSSTA.2004.1371746].

Impact of synchronization errors and multiple access interference to the performance of UWB impulse radio systems

Mucchi Lorenzo;Marabissi Dania;Del Re Enrico;Fantacci Romano
2004

Abstract

This paper deals with the comparison of different multiple access techniques and different impulses in a multiple access communication systems based on Ultra Wide Band (UWB) impulse radio technology under non-ideal conditions. Several multiple access techniques and impulses have been designed and compared in the past, but mainly with the assumption of perfect synchronization of the users and perfect recovering of frame synchronization at the receiver. In this paper this unpractical assumptions are dropped. The results have been obtained by computer simulations. The sensitivity to synchronization errors of the Time Hopping PPM and the Direct Sequence multiple access techniques has been carried out with two different pulse shapes: the Gaussian monocycle and the Doublet. The impact of multiple access interference is also reported in the paper in order to have an exhaustive comparison of the UWB systems.
2004
IEEE International Symposium on Spread Spectrum Techniques and Applications, ISSSTA 2004;
IEEE International Symposium on Spread Spectrum Techniques and Applications, ISSSTA 2004;
Sydney; Australia
Aug-Sept 2004
Mucchi Lorenzo; Marabissi Dania; Ranaldi Marco; Del Re Enrico; Fantacci Romano
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/779875
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