无信号内干扰的相关延迟键控混沌通信方案

段俊毅; 蒋国平; 杨华

doi:10.11999/JEIT150660

无信号内干扰的相关延迟键控混沌通信方案

doi: 10.11999/JEIT150660

1.
(南京邮电大学通信与信息工程学院南京 210003) ②(南京邮电大学自动化学院南京 210003) ③(南京邮电大学电子科学与工程学院南京 210003)

基金项目:

国家自然科学基金(61373136, 61401226)，江苏省研究生创新计划(KYLX_0814)

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- 被引次数: 0
出版历程
- 收稿日期: 2015-06-02
- 修回日期: 2015-11-17
- 刊出日期: 2016-03-19

Correlation Delay Shift Keying Chaotic Communication Scheme with No Intrasignal Interference

1.
(School of Communication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China)
2.
(School of Automation, Nanjing University of Posts and Telecommunications, Nanjing 210003, China)

Funds:

The National Natural Science Foundation of China (61373136, 61401226), Innovation Project for Graduate Education of Jiangsu Province (KYLX_0814)

摘要

摘要: 该文提出一种名为无信号内干扰相关延迟键控(Correlation-Delay-Shift-Keying with No Intrasignal Interference, CDSK-NII)的新型混沌通信方案。采用重复混沌序列为参考信号，同时利用零和序列确保参考信号与信息信号严格正交，CDSK-NII能够在解调过程中消除信号内干扰。在高斯白噪声信道和Rayleigh衰落信道中分析CDSK-NII的比特误码率。实验结果表明：由于无信号内干扰，CDSK-NII的比特误码率低于CDSK和通用相关延迟键控(GCDSK)；随着复帧长度的增加，CDSK-NII的性能将进一步提升，比特误码率低于参考自适应相关延迟键控(RA-CDSK)。
- 混沌通信 /
- 相关延迟键控 /
- 信号内干扰 /
- 比特误码率
Abstract: This paper proposes a novel chaotic communication scheme named Correlation-Delay-Shift-Keying with No Intrasignal Interference (CDSK-NII). By utilizing the repeated chaotic sequence as the reference signal and taking advantage of the zero-sum sequence to ensure the reference signal strictly orthogonal to the information- bearing signal, CDSK-NII can eliminate the intrasignal interference during the demodulation. The Bit Error Ratio (BER) of CDSK-NII is analyzed under AWGN channel and Rayleigh fading channel. Experiment results show that, due to no intrasignal interference, the BER of CDSK-NII is lower than that of CDSK and Generalized CDSK (GCDSK); with the length of multiframe increasing, the performance of CDSK-NII becomes better, and its BER is lower than that of Reference-Adaptive CDSK (RA-CDSK).
- Chaotic communication /
- Correlation-Delay-Shift-Keying (CDSK) /
- Intrasignal interference /
- Bit Error Ratio (BER)

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参考文献(19)

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