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Zbl 1060.93530
Li, Zhigang; Xu, Daolin
A secure communication scheme using projective chaos synchronization. (English)
[J] Chaos Solitons Fractals 22, No. 2, 477-481 (2004). ISSN 0960-0779

Summary: Most secure communication schemes using chaotic dynamics are based on identical synchronization. In this paper, we show the possibility of secure communication using projective synchronization (PS). The unpredictability of the scaling factor in projective synchronization can additionally enhance the security of communication. It is also showed that the scaling factor can be employed to improve the robustness against noise contamination. The feasibility of the communication scheme in high-dimensional chaotic systems, such as the hyperchaotic Rössler system, is demonstrated. Numerical results show the success in transmitting a sound signal through chaotic systems.

MSC 2000:: *93C10 Nonlinear control systems
37D45 Strange attractors, chaotic dynamics

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