Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33280
Title: Performance of chaos-based digital communication systems in the presence of a pulsed-noise jammer
Authors: Lau, FCM 
Tse, CK 
Issue Date: 2004
Source: Circuits, systems and signal processing, 2004, v. 23, no. 3, p. 169-194
Abstract: Chaos-based communication systems are known to offer advantages that are shared by spread-spectrum communications. One important aspect of the performance of any spread-spectrum communication system is the ability to resist jamming. In this paper, an analysis of the antijamming performance of a coherent chaos shift keying system under the influence of a common pulsed-noise jammer is presented. Two types of pulsed-noise jammers, slowly switching and fast switching jammers, are considered in our studies. The performance is evaluated in terms of the bit error rate (BER) under different levels of noise power, jamming power, spreading factor, and duty factor. The maximum (worst-case) BERs are also obtained analytically for the case where the jammer is slowly switching. Computer simulations are performed to verify the analytical results. Finally, the BERs are compared with those of a conventional direct-sequence spread-spectrum communication system.
Keywords: Chaos-based communications
Pulsed-noise jammer
Spread-spectrum communications
Publisher: Birkhäuser
Journal: Circuits, systems and signal processing 
ISSN: 0278-081X
EISSN: 1531-5878
DOI: 10.1007/s00034-004-7015-3
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