Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/718
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Title: An improved multiple access scheme for chaos-based digital communications using adaptive receivers
Authors: Tam, WM
Lau, FCM 
Tse, CKM 
Issue Date: 2004
Source: Proceedings of 2004 IEEE International Symposium on Circuits and Systems, May 23-26, 2004, Vancouver, British Columbia, Canada, p. IV-605-608
Abstract: In this paper, a multiple access technique is proposed for chaos-based communication systems in which chaotic reference signals are transmitted together with the information-bearing signals. Chaotic reference signals modulated by a binary training sequence are sent periodically. The same chaotic signals are then modulated by binary data and transmitted. To achieve multiple access, different chaotic signals and training sequences are assigned to different users. At each receiver, an adaptive filter is employed to perform the demodulation based on the user's pre-assigned training sequence. The bit error rates of the proposed scheme are simulated and compared.
Keywords: Binary codes
Bit error rate
Chaos theory
Data communication equipment
Demodulation
Modulation
Signal receivers
Publisher: IEEE
ISBN: 0-7803-8251-X
Rights: © 2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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