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Title: An approach to calculating the bit-error rate of a coherent chaos-shift-keying digital communication system under a noisy multiuser environment
Authors: Tam, Wai M.
Lau, Francis Chung-ming
Tse, C. K. Michael
Yip, M. M.
Subjects: Bit-error rate
Chaos communication
Multiple access
Issue Date: Feb-2002
Publisher: IEEE
Source: IEEE transactions on circuits and systems. I, Fundamental theory and applications, Feb. 2002, v. 49, no. 2, p. 210-223.
Abstract: Assuming ideal synchronization at the receivers, an approach to calculating the approximate theoretical bit-error rate (BER) of a coherent chaos-shift-keying (CSK) digital communication system under an additive white Gaussian noise environment is presented. The operation of a single-user coherent CSK system is reviewed and the BER is derived. Using a simple cubic map as the chaos generator, it is demonstrated that the calculated BERs are consistent with those found from simulations. A multiuser coherent CSK system is then defined and the BER is derived in terms of the noise intensity and the number of users. Finally, the computed BERs under a multiuser environment are compared with the simulation results.
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Type: Journal/Magazine Article
DOI: 10.1109/81.983868
ISSN: 1057-7122
Appears in Collections:EIE Journal/Magazine Articles

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