Secure OFDM transmission scheme based on two-stage chaos mapping

Ying WANG; Xiao-zhong ZHANG; Juan ZENG; Yong-ming WANG

doi:10.11959/j.issn.1000-436x.2016141

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Secure OFDM transmission scheme based on two-stage chaos mapping

Academic paper | 更新时间：2024-06-05

- Secure OFDM transmission scheme based on two-stage chaos mapping
- Journal of Communications Vol. 37, Issue 7, Pages: 132-139(2016)
- 作者机构：
  
  1. 中国科学院信息工程研究所，北京 100093
  2. 中国科学院大学，北京 100049
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61501459)
- DOI：10.11959/j.issn.1000-436x.2016141
  CLC： TN918.91
- Online First：2016-07，
  
  Published：25 July 2016
- 稿件说明：
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Ying WANG, Xiao-zhong ZHANG, Juan ZENG, et al. Secure OFDM transmission scheme based on two-stage chaos mapping[J]. Journal of Communications, 2016, 37(7): 132-139.
DOI：

Ying WANG, Xiao-zhong ZHANG, Juan ZENG, et al. Secure OFDM transmission scheme based on two-stage chaos mapping[J]. Journal of Communications, 2016, 37(7): 132-139. DOI： 10.11959/j.issn.1000-436x.2016141.

摘要

基于OFDM技术，结合混沌序列的伪随机特性和初值敏感性，提出了一种数据相位混沌旋转和子载波混沌映射的安全传输方案。仿真结果和分析表明，该方案能够有效地对信息进行混沌安全传输，增强输出信号的随机特性，窃听方无法通过信号的统计特性估计出发送信息，从而保证通信的安全性。与常用的安全措施，如AES（高级加密标准）、多天线随机化传输矩阵等方法相比，所述方案能够达到较好的计算安全性。

Abstract

A secure OFDM transmission scheme based on two-stage chaos mapping was introduced

which were cha-oticphase rotation and sub-carrier chaos mapping. The characteristics of pseudo-random and sensitivity to initial condi-tions of chaos sequences were employed. Numerical results and analysis show that the scheme canensure secure informa-tion transmission

and improve the pseudo-randomness of transmitted signals. The eavesdropper cannot estimate the mes-sage from statistic characteristics of received signals

which guarantees the communication security. Compared with tra-ditional methods like advanced encryption standard

randomization of MIMO transmission coefficients

the scheme shows favorable computation security.

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references

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