利用移动键控和耦合超混沌系统实现异步十六进制数字保密通信系统

doi:10.11772/j.issn.1001-9081.2017082018

计算机应用 ›› 2018, Vol. 38 ›› Issue (3): 780-785.DOI: 10.11772/j.issn.1001-9081.2017082018

利用移动键控和耦合超混沌系统实现异步十六进制数字保密通信系统

阿布都热合曼·卡的尔, 木塔力甫·沙塔尔, 米热古丽·艾力

新疆财经大学计算机科学与工程学院, 乌鲁木齐 830012

收稿日期:2017-08-18 修回日期:2017-11-12 出版日期:2018-03-10 发布日期:2018-03-07
通讯作者: 阿布都热合曼·卡的尔
作者简介:阿布都热合曼·卡的尔(1975-),男,新疆乌鲁木齐人,副教授,博士,主要研究方向:混沌理论、信息安全;木塔力甫·沙塔尔(1981-),男,新疆吐鲁番人,讲师,硕士,主要研究方向:混沌理论、密码算法;米热古丽·艾力(1983-),女,新疆吐鲁番人,讲师,硕士,主要研究方向:混沌理论、密码算法。
基金资助:
国家自然科学基金资助项目（61662073，61363082）；新疆少数民族科技人才特殊培养计划科研项目（201123116）；新疆维吾尔自治区普通高等学校人文社会科学重点研究基地项目（050316C02）。

Asynchronous hexadecimal digital secure communication system based on shift keying of coupled hyperchaotic systems

ABDURAHMAN Kadir, MUTALLIP Sattar, MIREGULI Aili

School of Computer Science and Engineering, Xinjiang University of Finance and Economics, Urumqi Xinjiang 830012, China

Received:2017-08-18 Revised:2017-11-12 Online:2018-03-10 Published:2018-03-07
Supported by:
This work is partially supported by the National Natural Science Foundation of China (61662073,61363082), the Minority Nationality Technology Talent Cultivation Plan of Xinjiang (201123116), the Key Research Base Project of Humanities and Social Sciences for Regular Institutions of Higher Education in Xinjiang Uygur Autonomous Region (050316C02).

摘要/Abstract

摘要： 为提高混沌移动键控方案的通信效率，提出基于移动键控和耦合超混沌系统的异步保密通信方案。在发送端，将十六进制信号嵌入到增益后的混沌状态变量中，利用转换器控制模块实现多个状态变量交替变换掩盖信号，经添加高斯噪声后发送出去。在接收端通过检测噪声强度动态调整检测阈值，可成功提取出发送的信号。数值模拟验证了该系统在含噪声信道环境下，双方通过自适应调整混沌信号增益实现保密通信，随着信噪比（SNR）的增加，比特误码率（BER）呈平滑降低趋势，确保了系统的稳定性。

关键词: 十六进制数字信号, 异步保密通信, 超混沌移动键控, 信道噪声, 比特误码率

Abstract: To improve the communication efficiency of shift keying, an asynchronous secure communication scheme was proposed based on shift keying and coupled hyperchaotic systems. In the sender, hexadecimal digital signal was embedded into gained state variables, and the original signal was masked alternately through converter control module, then was sent out after adding Gaussian noise. In the receiver, the signal could be extracted successfully through adjusting the threshold dynamically. Numerical simulation verifies that under the condition of channel with noise, the sender and the receiver can securely communicate successfully, the Bit Error Ratio (BER) reduces smoothly with the increase of Signal-to-Noise Ratio (SNR), through adjusting the gain of chaotic signals adaptively, which ensures the stability of the proposed communication system.

Key words: hexadecimal digital signal, asynchronous secure communication, hyperchaotic shift keying, channel noise, Bit Error Rate (BER)

中图分类号:

TP309.7

阿布都热合曼·卡的尔, 木塔力甫·沙塔尔, 米热古丽·艾力. 利用移动键控和耦合超混沌系统实现异步十六进制数字保密通信系统[J]. 计算机应用, 2018, 38(3): 780-785.

ABDURAHMAN Kadir, MUTALLIP Sattar, MIREGULI Aili. Asynchronous hexadecimal digital secure communication system based on shift keying of coupled hyperchaotic systems[J]. Journal of Computer Applications, 2018, 38(3): 780-785.

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利用移动键控和耦合超混沌系统实现异步十六进制数字保密通信系统

Asynchronous hexadecimal digital secure communication system based on shift keying of coupled hyperchaotic systems

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