UWB Multiple Access Communication System
BOUKOUR ; RIVENQ ; ROUVANE ; HEDDEBAUT
Type de document
ARTICLE A COMITE DE LECTURE REPERTORIE DANS BDI (ACL)
Langue
anglais
Auteur
BOUKOUR ; RIVENQ ; ROUVANE ; HEDDEBAUT
Résumé / Abstract
Recently, the emerging Ultra-Wideband (UWB) impulse technology has found numerous applications in the civil as well as the military sectors. In this paper, an UWB multiuser communication system is studied. The principal problem here is the synchronization between the different asynchronous users. Two systems are described and analyzed and their performance in terms of Bit Error Rate (BER), synchronization errors and users interference is studied by simulation. The first system, which is only based on orthogonal UWB waveforms called Modified Gegenbauer functions (MGF), gives a satisfactory multi-user detection in the synchronous case only. The second one uses an hybrid coding technique: an UWB orthogonal coding is associated to a spread spectrum DS-CDMA (Direct Sequence Code Division Multiple Access) technique. This allows an efficient multi-user detection in the asynchronous case.
Source
Wireless Personal Communications, num. Vol 56, N2, p333-352 p.
Editeur
Springer
