ORM-DCSK: A Novel DCSK Communication Scheme

doi:10.16182/j.issn1004731x.joss.201805027

Journal of System Simulation ›› 2018, Vol. 30 ›› Issue (5): 1832-1837.doi: 10.16182/j.issn1004731x.joss.201805027

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ORM-DCSK: A Novel DCSK Communication Scheme

Zhang Gang¹, Wang Chuangang¹, Li Guoquan², Lin Jinzhao²

1. Chongqing Key Laboratory of Signal and Information Processing, Chongqing University of Posts and Telecommunications, Chongqing 400065, China;
2. Chongqing Key Laboratory of Photo electronic Information Sensing and Transmitting Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Received:2016-06-23 Revised:2016-08-14 Online:2018-05-08 Published:2019-01-03

Abstract

Abstract: To overcome the intra-signal interference components and the large average bit energy existing in decision variables, an improved RM-DCSK algorithm, named ORM-DCSK, is proposed. An orthogonal chaotic generator is designed to eliminate the intra-signal interference components. Besides, the signal frame format is expanded to reduce the average bit energy. The BER is derived and simulated in AWGN channel. The simulation results show that ORM-DCSK performs greatly better in BER performance than RM-DCSK algorithm without sacrificing transmission rate.

Key words: chaos communication, RM-DCSK, orthogonal chaotic generator, Gaussian approximation

CLC Number:

TN911.3

Zhang Gang, Wang Chuangang, Li Guoquan, Lin Jinzhao. ORM-DCSK: A Novel DCSK Communication Scheme[J]. Journal of System Simulation, 2018, 30(5): 1832-1837.

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ORM-DCSK: A Novel DCSK Communication Scheme

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