Title :
A Chaos-Based High Quality PN Sequence Generator for DSSS System
Author :
Fu, Chong ; Zhang, Zhen-Chuan ; Jiang, Hui-Yan ; Wang, Xing-Wei
Author_Institution :
Sch. of Inf. Sci. & Eng., Northeastern Univ., Shenyang
Abstract :
Chaos-based DSSS systems are widely investigated recently. Concrete implementation of theses chaos-based systems usually arise some problems because the ideal statistical properties of a chaos system requires finite computation precision. This paper proposes a couple chaotic systems based stochastic multi-bits quantification algorithm, which extends the period of the chaotic PN sequence and strengthens the anti reverse iteration based reconstruction attack ability under precision restricted condition. The balance and correlation properties of the generated sequence are analyzed. The sequence is proved to be a binary Bernoulli sequence and the side lobes of odd/even auto and cross correlation are proved to obey normal distribution N(0, 1/N). Experimental results show that the algorithm has excellent statistical properties, and can be used to generate PN sequence with higher quality than conventional single bit and multi-bits algorithms
Keywords :
binary sequences; chaotic communication; code division multiple access; iterative methods; pseudonoise codes; spread spectrum communication; statistical distributions; stochastic processes; anti reverse iteration-based reconstruction attack; auto correlation function; binary Bernoulli sequence; chaos-based DSSS system; cross correlation function; direct sequence spread spectrum; high-quality PN sequence generator; normal distribution; odd-even cross correlation function; statistical properties; stochastic multibit quantification algorithm; Chaos; Chaotic communication; Chebyshev approximation; Concrete; Gaussian distribution; Information science; Logistics; Nonlinear systems; Spread spectrum communication; Stochastic systems;
Conference_Titel :
TENCON 2006. 2006 IEEE Region 10 Conference
Conference_Location :
Hong Kong
Print_ISBN :
1-4244-0548-3
Electronic_ISBN :
1-4244-0549-1
DOI :
10.1109/TENCON.2006.343704
