A Novel Secure Enhancement Chaotic Communication System Based on Merging Conversion Structure for Physical-Layer Encryption

被引：3
|
作者：
Zhu, Pengjin [1 ]
Wang, Hongxiang [1 ]
Zhang, Yu [2 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[2] Acad Broadcasting Sci, NRTA, Beijing 102206, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2023年 / 27卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Chaotic secure communication; high complexity chaos; time-delay signatures concealment; merging conversion structure; key space enhancement; FEEDBACK;
D O I：
10.1109/LCOMM.2023.3318742
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
An electro-optic (EO) chaotic system with time delay signatures (TDS) concealment based on merging conversion structure is proposed and analyzed. The proposed system can generate high-complexity chaotic signal with a relatively small feedback gain coefficient, and the TDSs are concealed effectively compared to other methods. Meanwhile, the key space of the system is enhanced by introducing more tunable time delay, which is about the order of 10(12). Moreover, the synchronization performance of the system is analyzed. The results show that the synchronization performance is robust to the feedback gain coefficient and extremely sensitive to time delay. The proposed system can effectively resist eavesdropping and provide security for optical networks.
引用
收藏
页码：2914 / 2918
页数：5
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