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http://dx.doi.org/10.7471/ikeee.2019.23.3.934

Chaos based Communication System Using Reverse DCSK  

Jang, Eun-Young (Dept. of Smart Electrical and Electronic Engineering, Silla University)
Publication Information
Journal of IKEEE / v.23, no.3, 2019 , pp. 934-940 More about this Journal
Abstract
In this paper, we propose a Reverse Differential Chaos Shift Keying (RE-DCSK) system for low cost, high reliability and high data rate non-coherent chaos communication .In RE-DCSK, reference signals are transmitted in the first slot as in the conventional differential chaos shift modulation scheme (DCSK) and in the second slot a time inversion block strengthens the autocorrelation of the chaos signal and uses the orthogonality of the two signals to obtain the information signal. RE-DCSK enables relatively double the data rate compared to DCSK and also improves the security of communications without any additional cost of system complexity.To prove its effectiveness, we analyze it through Rayleigh fading channel and additional white Gaussian noise (AWGN) channel based on the derived BER expression. The BER performance of the proposed system is improved when compared with the CDSK and DCSK system using AWGN channel.
Keywords
chaos communication; DCSK; CDSK; RE-DCSK; spreading factor; non-coherent;
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Times Cited By KSCI : 1  (Citation Analysis)
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