FPGA-Based Antipodal Chaotic Shift Keying Communication System

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Abstract

The current work presents a novel digital chaotic communication system with antipodal chaotic shift keying modulation, implemented in a field-programmable gate array (FPGA). Such systems provide high security on the physical communication level and can be used in wireless sensor network systems. A modified Chua circuit chaos generator and error linear feedback chaotic synchronization are implemented in FPGA and used to develop a chaotic communication system with digital transmitter and receiver an analog in-between signal transmission. Additionally, a validated mathematical model of the communication system prototype is created in the Simulink environment, which is used to compare the performance of the prototype and its nodes with the simulation and simplify its development. The performance is evaluated using simulation with the additive white Gaussian noise channel and analyzing the bit error ratio.

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Capligins, F., Litvinenko, A., Kolosovs, D., Terauds, M., Zeltins, M., & Pikulins, D. (2022). FPGA-Based Antipodal Chaotic Shift Keying Communication System. Electronics (Switzerland), 11(12). https://doi.org/10.3390/electronics11121870

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