Asynchronous anti-noise hyper chaotic secure communication system based on dynamic delay and state variables switching

This Letter designs an asynchronous hyper chaotic secure communication system, which possesses high stability against noise, using dynamic delay and state variables switching to ensure the high security. The relationship between the bit error ratio (BER) and the signal-to-noise ratio (SNR) is analyzed by simulation tests, the results show that the BER can be ensured to reach zero by proportionally adjusting the amplitudes of the state variables and the noise figure. The modules of the transmitter and receiver are implemented, and numerical simulations demonstrate the effectiveness of the system.

► Asynchronous anti-noise hyper chaotic secure communication system.
► Dynamic delay and state switching to ensure the high security.
► BER can reach zero by adjusting the amplitudes of state variables and noise figure.