FM-DCSK: A Robust Modulation Scheme for Chaotic Communications

Geza KOLUMBAN, Gabor KIS, Zoltan JAKO, Michael Peter KENNEDY

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Summary :

In order to demodulate a Differential Chaos Shift Keying (DCSK) signal, the energy carried by the received chaotic signal must be determined. Since a chaotic signal is not periodic, the energy per bit carried by the chaotic signal can only be estimated, even in the noise-free case. This estimation has a non-zero variance that limits the attainable data rate. In this paper the DCSK technique is combined with frequency modulation in order to overcome the estimation problem and to improve the data rate of DCSK modulation.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E81-A No.9 pp.1798-1802
Publication Date
1998/09/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category
Chaos, Bifurcation and Fractal

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