Digital Chaotic Spread Spectrum Communication Systems

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 1998, Vol. 21 ›› Issue (4): 7-11.

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Digital Chaotic Spread Spectrum Communication Systems

Wang Hai, Hu Jiandong

School of Telecommunication Engineering,Beijing University of Posts and Telecommunications, Beijing 100876

Received:1997-10-09 Online:1998-09-10
Supported by:

Abstract

Abstract: The application of Logistic-Map in spread-spectrumcommunications is dealt with. The correlation characteristics of digital sequences of Logistic-Map and the statistical properties of the occurrence of “0” and “1” of the chaotic sequences are investigated. A novel analytic formula for calculating bit-error-rate of digital chaotic spread spectrum communicationsystem is obtained by using Gaussian method. Which is verified by measurements on SPW simulation system. As an economic way for chaotic spread-spectrum comminications, the cyclic period of the sequences can be expand, the complexity and time of its generation can be reduced.

Key words: spread spectrum communications, chaos, correlation property, error rate

CLC Number:

TN92

Wang Hai, Hu Jiandong. Digital Chaotic Spread Spectrum Communication Systems[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 1998, 21(4): 7-11.

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Digital Chaotic Spread Spectrum Communication Systems

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