通信学报 ›› 2024, Vol. 45 ›› Issue (4): 171-184.doi: 10.11959/j.issn.1000-436x.2024086

• 学术论文 • 上一篇    

忆阻超混沌映射的可调控性设计及光纤保密通信系统构建

李春彪1,2, 李泳新1,2, 仲庆3, 杨勇4, AKGUL Akif5   

  1. 1.南京信息工程大学人工智能学院, 江苏 南京 210044
    2.江苏省大气环境与设备技术协同创新中心, 江苏 南京 210044
    3.东南大学信息科学与工程学院, 江苏 南京 210096
    4.南京沁恒微电子有限公司RISC-V研究所, 江苏 南京 210008
    5.赫梯大学工程学院, 乔鲁姆 19030
  • 收稿日期:2023-10-09 修回日期:2023-12-17 出版日期:2024-04-30 发布日期:2024-05-27
  • 作者简介:李春彪(1971- ),男,江苏扬州人,博士,南京信息工程大学教授、博士生导师,主要研究方向为忆阻混沌电路、忆阻类脑计算及其应用等。
    李泳新(1997- ),男,山东枣庄人,南京信息工程大学博士生,主要研究方向为离散混沌系统、离散忆阻器、神经电路与网络、非线性电路及其应用等。
    仲庆 (1997- ),男,江苏扬州人,东南大学博士生,主要研究方向为光纤保密通信、OFDM调制等。
    杨勇 (1991- ),男,江苏南京人,南京沁恒微电子有限公司工程师,主要研究方向为RISC-V芯片、射频电路、天线设计等。
  • 基金资助:
    国家自然科学基金资助项目(62371242)

Controllability design of a memristive hyperchaotic map and the construction of optical fiber secure communication system

Chunbiao LI1,2, Yongxin LI1,2, Qing ZHONG3, Yong YANG4, Akif AKGUL5   

  1. 1.School of Artificial Intelligence, Nanjing University of Information Science & Technology, Nanjing 210044, China
    2.Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Nanjing 210044, China
    3.School of Information Science and Engineering, Southeast University, Nanjing 210096, China
    4.RISC-V Research Institute, Nanjing Qinheng Microelectronics Co. , Ltd. , Nanjing 210008, China
    5.Faculty of Engineering, Hitit University, Corum 19030, Turkey
  • Received:2023-10-09 Revised:2023-12-17 Online:2024-04-30 Published:2024-05-27
  • Supported by:
    The National Natural Science Foundation of China(62371242)

摘要:

通过引入平方忆阻函数非线性反馈,构建离散超混沌映射,并实现超混沌序列的全局调幅、局部调幅以及直接偏置调控。混沌映射的可调控性通过离散忆阻的阻值函数和内部变量积分速度来实现。简易的忆阻约束关系同时赋予了直接偏置调控的可能性,通过额外引入常数项参数可实现一维状态变量的直接偏置调控。基于RISC-V单片机CH32V307实现了所提出的可调控超混沌映射,并通过美国国家标准与技术研究院测试证明了超混沌序列的伪随机属性。基于以上超混沌映射构建了正交啁啾复用-非正交多址接入物理层加密方案,实验完成了2 km弱耦合七芯光纤通信的误码率测试,进一步证明了基于离散忆阻构建的超混沌加密正交啁啾复用-非正交多址接入系统可实现数据的可靠传输和解密,有效保护数据安全。

关键词: 离散忆阻, 超混沌映射, 调幅, 偏置调控, 光纤保密通信

Abstract:

A discrete hyperchaotic map was constructed by introducing nonlinear feedback of the square memristor function, which has the properties of total amplitude control, partial amplitude control, and direct offset boosting of hyperchaotic sequences. The controllability of chaotic map was achieved through the resistance function of a discrete memristor and the integral velocity of the internal variable. The simple constraint relationship from the memristor also gives the possibility of direct offset boosting. By introducing an additional constant parameter, direct offset boosting of a one-dimensional state variable can be obtained. Based on the RISC-V microcontroller of CH32V307, the proposed controllable hyperchaotic map was realized, and National Institute of Standards and Technology (NIST) testing proves the pseudo-random feature of hyperchaotic sequences. Based on the above hyperchaotic map, a physical layer scheme of orthogonal chirp division multiplexing-non-orthogonal multiple access (OCDM-NOMA) with encryption was constructed. The test of error rate in the process of 2 km communication with coupled seven core optical fiber was completed, further proving that the data transmission and decryption is reliable in the OCDM-NOMA system with hyperchaotic encryption, where data security is effectively protected.

Key words: discrete memristor, hyperchaotic map, amplitude control, offset boosting, optical fiber secure communication

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