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2022-05-05
Gainutdinov, Ilyas, Loginov, Sergey.  2021.  Increasing information security of a communication system with OFDM based on a discrete-nonlinear Duffing system with dynamic chaos. 2021 International Conference on Electrotechnical Complexes and Systems (ICOECS). :249—252.

In this work, the algorithm of increasing the information security of a communication system with Orthogonal Frequency Division Multiplexing (OFDM) was achieved by using a discrete-nonlinear Duffing system with dynamic chaos. The main idea of increasing information security is based on scrambling input information on three levels. The first one is mixing up data order, the second is scrambling data values and the final is mixing symbols at the Quadrature Amplitude Modulation (QAM) plot constellation. Each level's activities were made with the use of pseudorandom numbers set, generated by the discrete-nonlinear Duffing system with dynamic chaos.