Analysis of Improved Piecewise Linear Chaotic Sequences as Spreading Codes for DS-CDMA System

RAO Ni-ni

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Analysis of Improved Piecewise Linear Chaotic Sequences as Spreading Codes for DS-CDMA System

更新时间：2025-07-16

- Analysis of Improved Piecewise Linear Chaotic Sequences as Spreading Codes for DS-CDMA System
- Acta Electronica Sinica Vol. 32, Issue 10, Pages: 1684-1687(2004)
- 作者机构：
  
  1. 电子科技大学生命科学与技术学院,四川,成都,610054
  2. 电子科技大学生命科学与技术学院四川成都,610054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.5
- Published：2004
- 稿件说明：
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RAO Ni-ni. Analysis of Improved Piecewise Linear Chaotic Sequences as Spreading Codes for DS-CDMA System[J]. Acta Electronica Sinica, 2004, 32(10): 1684-1687.
DOI：

RAO Ni-ni. Analysis of Improved Piecewise Linear Chaotic Sequences as Spreading Codes for DS-CDMA System[J]. Acta Electronica Sinica, 2004, 32(10): 1684-1687. DOI：

摘要

本文提出用改进型分段线性混沌映射来产生DS－CDMA系统的直扩码;分析了这类直扩码的特性以及两种量化函数对其特性的影响;计算机仿真结果表明

在适当的初值条件下这类序列具有周期长、平衡性好、自相关函数较尖锐、互关值较小以及线性复杂度高等特性

适合用作DS-CDMA系统直扩码.

Abstract

The improved piecewise linear chaotic mapping is presented to generate the spreading codes for DS-CDMA system in this paper.The spreading properties and the effects of two quantification functions on the spreading properties are analyzed.The simulation results show that the sequences have long period

good balance

-like auto-correlation and very small cross-correlation and great linear complexity under the condition of the proper initial values and are suitable to be used as the spreading codes for DS-CDMA.

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