Research on O-OFDM System Based on Hyper Chaos Scrambling Encryption Algorithm

Yao Feng; Li Qun Huang

doi:10.4028/www.scientific.net/AMM.513-517.1903

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 513-517Research on O-OFDM System Based on Hyper Chaos...

Research on O-OFDM System Based on Hyper Chaos Scrambling Encryption Algorithm

Abstract:

A new scrambling method in the O-OFDM [ [ signal is proposed based on the hyper-chaotic sequences. By scrambling the frequency signal, it can reach the role of encryption. First, a hyper-chaotic sequence is produced by a hyper-chaotic system; then scrambling the O-OFDM signal on the frequency and time domain by using the pseudo-randomness of the hyper-chaotic sequence. In this paper a 256×256lena image is as the original information to prove the effect of this new method. The experiment that conducted in the simulation O-OFDM system of the Optisystem software indicates: the algorithm has high security; and because of the character of the hyper-chaotic system, the secret key space has largely improved. It can ensure the safety of the information transmission effectively.

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Periodical:

Applied Mechanics and Materials (Volumes 513-517)

Pages:

1903-1906

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.513-517.1903

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Online since:

February 2014

Authors:

Yao Feng*, Li Qun Huang

Keywords:

Hyper-Chaotic System, O-OFDM, Scrambling, Security

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