Journal of Guangxi Normal University(Natural Science Edition) ›› 2011, Vol. 29 ›› Issue (1): 15-19.

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Applications of Discrete Chaotic Systems in Secure Communication

LI Yong, JIA Zhen   

  1. College of Science,Guilin University of Technology,Guilin Guangxi 541004,China
  • Received:2010-11-07 Published:2018-11-16

Abstract: Based on characteristics of chaotic signals,this paper presents a secure communication method which contains synchronization of chaotic systems.Itdiscusses the design of multi-level chaotic modulation system which increases the decoding difficulty ofinformation.For receiver,pseudo-signal is not useless because it contains state variables that synchronization needs.The methodis explained and demonstrated in details in the paper.Moreover,numerical simulation shows the effectiveness of the method.The noise that exists in practice isalso discussed to show the robustness of the method of secure communication provided in this paper.

Key words: chaos, synchronization, robustness, secure communication

CLC Number: 

  • O415.5
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