基于极化多维星座调制的OFDM物理层安全通信机制

doi:10.13190/j.jbupt.2018-030

北京邮电大学学报 ›› 2018, Vol. 41 ›› Issue (4): 9-15.doi: 10.13190/j.jbupt.2018-030

基于极化多维星座调制的OFDM物理层安全通信机制

刘喆¹, 张巧遇^2,3, 程明智⁴

1. 国家保密科技测评中心, 北京 100044;
2. 中国科学院信息工程研究所, 北京 100093;
3. 中国科学院大学网络空间安全学院, 北京 100049;
4. 北京印刷学院新媒体学院, 北京 102600

收稿日期:2018-02-02 出版日期:2018-08-28 发布日期:2018-10-09
作者简介:刘喆(1983-),男,高级工程师,E-mail:ezhe4924@sina.com.
基金资助:
国家自然科学基金项目（61501458）；北京市高等学校高水平人才交叉培养"实培计划"项目（2016-28）

A Physical Layer Secure Communication Mechanism Based on Multidimensional Constellation

LIU Zhe¹, ZHANG Qiao-yu^2,3, CHENG Ming-zhi⁴

1. National Secrecy Science and Technology Evaluation Center, Beijing 100044, China;
2. Institute of Information Engineering, Chinese Academy of Sciences, Beijing 100093, China;
3. School of Cyber Security, Chinese Academy of Sciences, Beijing 100049, China;
4. School of New Media, Beijing Institute of Graphic Communication, Beijing 102600, China

Received:2018-02-02 Online:2018-08-28 Published:2018-10-09

摘要/Abstract

摘要： 提出了一种基于极化多维星座的正交频分复用（OFDM）物理层安全通信机制，通过高维星座设计，可以有效地加密调制信息，保护无线通信的调制信息不被发现，从而保证无线通信的安全.在此基础上，推导并仿真了系统误码率性能和频谱利用率.仿真结果证明，OFDM极化多维星座调制方案可以有效防止窃听者获取调制信息，并且其误符号率及频谱效率都显著优于传统OFDM-QAM调制.

关键词: 物理层安全, 多维星座, 正交频分复用, 误符号率, 频谱效率

Abstract: An orthogonal frequency division multiplexing (OFDM) multi-carrier physical layer secure communication mechanism based on multi-dimensional constellation was presented, which can effectively prevent the modulation information of wireless communication from being eavesdropped, therefore, the security communication is guaranteed. Based on multi-dimensional constellation, the system symbol error rate performance and spectrum utilization are derived and simulated. Simulations show that the multi-carrier polarization state-amplitude-phase modulation scheme can effectively prevent the eavesdropper from obtaining the modulation information, and its symbol error rate and spectral efficiency are significantly better than the traditional OFDM-QAM modulation.

Key words: physical layer security, multi-dimensional constellation, orthogonal frequency division multiplexing, symbol error rate, spectral efficiency

中图分类号:

TN929.53

刘喆, 张巧遇, 程明智. 基于极化多维星座调制的OFDM物理层安全通信机制[J]. 北京邮电大学学报, 2018, 41(4): 9-15.

LIU Zhe, ZHANG Qiao-yu, CHENG Ming-zhi. A Physical Layer Secure Communication Mechanism Based on Multidimensional Constellation[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2018, 41(4): 9-15.

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基于极化多维星座调制的OFDM物理层安全通信机制

A Physical Layer Secure Communication Mechanism Based on Multidimensional Constellation

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