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Application of invariant properties of chaotic signals in the synthesis of noise-immune broadband systems for data transmission

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Abstract

The analysis of modern methods for data transmission using chaotic signals is performed, and corresponding limitations are revealed. A new method with a higher noise immunity is developed for data transmission with the aid of dynamic chaos using invariant synchronous chaotic response. Requirements on the generator of chaotic oscillations (GCO) for the proposed method are considered. In accordance with the requirements, a GCO with a delay and a discriminator in the feedback circuit is developed. The GCO characteristics are studied and compliance with the requirements is demonstrated. The structure of a communication system is synthesized and its mathematical model that employs the invariant properties of the GCO is proposed. Computer simulation of the communication system is used to estimate the noise immunity of the system that works in the communication channel with distortions and noise. The simulated results are used to prove the correctness of the proposed method for an increase in the noise immunity of the communication system and demonstrate the prospects for the application of invariant properties of chaotic signals in modern communication systems. The application of fractal signals in the systems for confidential broadband communications is proposed.

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Authors and Affiliations

  1. Izhevsk State Technical University, Studencheskaya ul. 7, Izhevsk, 426069, Russia

    K. N. Leonov & P. A. Ushakov

  2. Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Mokhovaya ul. 11, korp. 7, Moscow, 125009, Russia

    A. A. Potapov

Authors
  1. K. N. Leonov
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  2. A. A. Potapov
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  3. P. A. Ushakov
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Correspondence to K. N. Leonov.

Additional information

Original Russian Text © K.N. Leonov, A.A. Potapov, P.A. Ushakov, 2014, published in Radiotekhnika i Elektronika, 2014, Vol. 59, No. 12, pp. 1209–1229.

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Leonov, K.N., Potapov, A.A. & Ushakov, P.A. Application of invariant properties of chaotic signals in the synthesis of noise-immune broadband systems for data transmission. J. Commun. Technol. Electron. 59, 1393–1411 (2014). https://doi.org/10.1134/S1064226914120110

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  • DOI: https://doi.org/10.1134/S1064226914120110

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