A parameter-modulated method for chaotic digital communication based on state observers | Zendy

Guohui Li | Zendy; Deming Xu | Zendy; Shiping Zhou | Zendy

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A parameter-modulated method for chaotic digital communication based on state observers

Author(s) -

Guohui Li,

Deming Xu,

Shiping Zhou

Publication year - 2004

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.53.706

Subject(s) - demodulation , chaotic , control theory (sociology) , computer science , hénon map , synchronization (alternating current) , observer (physics) , modulation (music) , transmitter , state (computer science) , binary number , signal (programming language) , state observer , algorithm , physics , mathematics , nonlinear system , telecommunications , control (management) , artificial intelligence , acoustics , channel (broadcasting) , arithmetic , quantum mechanics , programming language

By designing an appropriate state observer, we have constructed two subsystems which alternately synchronize the chaotic drive system. When the parameter of the transmitter is modulated using the binary digital signal, the two systems can alternately be synchronized with the chaotic system. In the receiver, information is demodulated by analyzing synchronization error. An observer-based parameter modulation and demodulation Henon system was chosen to be a typical example. Numerical simulation is carried out to illustrate the effectiveness and efficiency of the proposed method.

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