New Chaos Map for BER Performance Improvement in Chaos Communication System Using CDSK 


Vol. 38,  No. 8, pp. 629-637, Aug.  2013


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  Abstract

Chaos communication systems have the characteristics such as non-periodic, wide-band, non-predictability of signals and easy implementation. There have been many studies about chaos communication systems because of these advantages. But, chaos communication systems have low BER(Bit Error Rate) compare to general digital communication system. Existing researches on chaos communication systems only analyze BER performance according to various chaos maps. There are no studies on analysis of BER performance according to PDF(Probability Density Function) of chaos maps. In this paper, we analyze the BER performance according to changing parameter, equation, and initial values of chaos map’s PDF. In addition, we propose new chaos map to improve BER performance. Simulation results show that BER performance of CDSK(Correlation Delay Shift Keying) is changed when PDF of chaos map changed. And the proposed chaos map has a better BER performance compare to previous chaos maps such as Tent map, Logistic map, and Henon map.

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  Cite this article

[IEEE Style]

J. Lee and H. Ryu, "New Chaos Map for BER Performance Improvement in Chaos Communication System Using CDSK," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 8, pp. 629-637, 2013. DOI: .

[ACM Style]

Jun-Hyun Lee and Heung-Gyoon Ryu. 2013. New Chaos Map for BER Performance Improvement in Chaos Communication System Using CDSK. The Journal of Korean Institute of Communications and Information Sciences, 38, 8, (2013), 629-637. DOI: .

[KICS Style]

Jun-Hyun Lee and Heung-Gyoon Ryu, "New Chaos Map for BER Performance Improvement in Chaos Communication System Using CDSK," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 8, pp. 629-637, 8. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880