A secure communication method based on 6-D hyperchaos and circuit implementation

YuYan Bian and WenXin Yu ()
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YuYan Bian: Hunan University of Science and Technology
WenXin Yu: Hunan University of Science and Technology

Telecommunication Systems: Modelling, Analysis, Design and Management, 2021, vol. 77, issue 4, No 8, 751 pages

Abstract: Abstract This paper presented a novel six-dimensional hyperchaotic system and constructed a new chaotic communication encryption method to take advantage of every dimensional sequence of the system. Based on the existing four-dimensional Lorenz system, a new six-dimensional hyperchaotic system is proposed and some related dynamic characteristics of the system are analyzed. To improve the security of communication, the signals are decomposed into n groups of linearly independent data, and the n groups of data are linked with n-dimensional sequence s of the system. A circuit simulation experiment is performed to verify the effectiveness of the method. The experimental results show that combining $$n$$ n groups of linearly independent data with n-dimensional chaotic sequences increases the utilization of chaotic sequences and improves the security of secure communication.

Keywords: Hyperchaotic system; Chaotic encryption; Decomposition; Circuit realization; Secure communication (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11235-021-00790-1

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