Synchronized states in a ring of four mutually coupled oscillators and experimental application to secure communications |
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| Institution: | 1. INRIA Grenoble Rhône-Alpes, Montbonnot Saint-Martin, France;2. University of Trento, Trento, Italy;1. Department of Physics and Astronomy, University of North Carolina Greensboro, Greensboro, NC, USA;2. Department of Theoretical Physics, Lebedev Physical Institute, Leninsky 53, Moscow 119991, Russia;1. School of Measurement and Communication, Harbin University of Science and Technology, Harbin 150080, China;2. School of Science, Harbin University of Science and Technology, Harbin 150080, China;3. School of Automation, Harbin University of Science and Technology, Harbin 150080, China;4. Heilongjiang Provincial Key Laboratory of Optimization Control and Intelligent Analysis for Complex Systems, Harbin University of Science and Technology, Harbin 150080, China |
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| Abstract: | Data encryption has become increasingly important for many applications including phone, internet and satellite communications. Considering the desirable properties of ergodicity and high sensitivity to initial conditions and control parameters, chaotic signals are suitable for encryption systems. Chaotic encryption systems generally have high speed with low cost, which makes them better candidates than many traditional ciphers for multimedia data encryption. In this paper, analytical and numerical methods as well as experimental implementation are used to prove partial and complete synchronized states in a ring of four autonomous oscillators in their chaotic states. Application to secure communication is discussed. |
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