Scrambling Chaotic On Off Keying Modulation Scheme for Security Improvement 


Vol. 39,  No. 6, pp. 303-309, Jun.  2014


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  Abstract

Chaos communication system can improve a system security due to characteristics of non-periodic, non-predictability, broadband signal and easy implementation. Also, chaos signal is sensitive to initial conditions of chaos map. By these reasons, security of chaos communication system is superior to digital communication system. BER performance of COOK modulation system is better than other chaos modulation systems, even if COOK modulation system uses an asynchronous receiver. However, security and safety of COOK modulated signal are worse than other chaos modulation systems, because information bits can be easily predicted from COOK modulated signal. In this paper, for security improvement of COOK modulated signal, we propose a novel Scrambling COOK modulation system by applying the scrambling method. Conventional COOK modulated signal can be predicted, because chaos signal is generated when data is only 1. However, proposed system cannot be predicted, because chaos signal is generated when data is 0 or 1. Therefore, security and safety of transmitted signal in scrambling COOK modulation system is superior to conventional COOK modulation system.

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  Cite this article

[IEEE Style]

J. Lee, D. Lee, H. Keum, H. Ryu, "Scrambling Chaotic On Off Keying Modulation Scheme for Security Improvement," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 6, pp. 303-309, 2014. DOI: .

[ACM Style]

Jun-Hyun Lee, Dong-Hyung Lee, Hong-Sik Keum, and Heung-Gyoon Ryu. 2014. Scrambling Chaotic On Off Keying Modulation Scheme for Security Improvement. The Journal of Korean Institute of Communications and Information Sciences, 39, 6, (2014), 303-309. DOI: .

[KICS Style]

Jun-Hyun Lee, Dong-Hyung Lee, Hong-Sik Keum, Heung-Gyoon Ryu, "Scrambling Chaotic On Off Keying Modulation Scheme for Security Improvement," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 6, pp. 303-309, 6. 2014.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880