SECURE COMMUNICATION IN NON-LINEAR SYSTEM
Keywords:
Lorenz Attractor, observer, Rossler systemAbstract
Synchronization between chaotic systems has received considerable attention and led to communication applications. There are two major methods for coupling and synchronizing identical chaotic systems, the cascading method and the one-way coupling method. With these methods, a message signal sent by a transmitter system can be reproduced at a receiver under the influence of a single chaotic signal through synchronization. Data transmission is not safe unless it is assured that the packets will never pass through a router or a computer, over which there is no control. Traditionally, software techniques were used for data encoding. However, the ever-increasing computer power threatens Internet communication security. The study of numerical simulation and circuit simulation of chaos synchronization for chaotic systems including autonomous and non-autonomous (periodically forced) systems. Synchronization properties such as robustness and parameter sensitivity are investigated and the application in signal masking and recovery is also studied. Here a combination of the addition and inclusion methods to mask the information signal is demonstrated.
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