Digital transmission for improved synchronization of analog chaos generators in communications systems |
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| Authors: | Robilliard C Huntington E H Frater M R |
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| Affiliation: | School of Information Technology and Electrical Engineering, University College, University of New South Wales Canberra, 2600 Australia. |
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| Abstract: | We present a method for synchronization of chaos generators based on transmission of an analog chaotic waveform in a digital form. Experimental comparisons between digital and analog transmission of chaos from a delayed differential feedback system are performed. Synchronization is demonstrated to be between 18 and 39 dB (or equivalently 63 to 7943 times) better for digital transmission than analog. Coherent chaotic modulation and demodulation is demonstrated in a situation where there is no effective synchronization using analog transmission. |
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