Authors: Sai Venkatesh Balasubramanian
Chaotic signals serve as ideal candidates as carriers in secure communication systems. The present work proposes the generation of a ‘digital’ chaotic signal using a frequency dependent iterative map. The proposed design is implemented using Field Programmable Gate Array and nonlinear characterization using Lyapunov exponent confirms the presence of chaos. A proof-of-concept communication system is then numerically designed and evaluated using the Mean Square Error, which reveals the sensitivity of the system to perfect decryption. The simplicity of the design, coupled with the high level of security obtained form the highlights of the present work.
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[v1] 2015-10-28 08:02:21
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