强大的重叠隐蔽通信,通过混乱的多色扩散频谱来抵御部分带干扰
Shengnan Guo1, Dongmei Liu2, Yongqing Fu3
1Shandong Police College, Jinan, 250000, China.
Scientific reports
|December 19, 2025
概括
本研究介绍了一种使用动态扩散频谱因子来对抗干扰的秘密通信方案. 它通过使隐蔽信号无法与窃听者区分的噪音来提高安全性.
科学领域:
- 电气工程 电气工程
- 信息理论 信息理论
- 通信工程 通信工程
背景情况:
- 部分频段干扰对安全通信系统构成重大挑战.
- 在干扰下,区分合法的 (宿主) 信号和隐藏的 (寄生虫) 信号是很困难的.
- 现有的混乱的扩散频谱调制方案可能缺乏对干扰的强度.
研究的目的:
- 提出和评估一个重叠的秘密通信方案,抵御部分频段干扰.
- 提高秘密传输的可靠性和安全性.
- 为了研究信号功率比率和窃听者检测错误概率之间的权衡.
主要方法:
- 使用一个混乱的多色调框架,具有动态扩散频谱因子调整.
- 使用合法的信号作为掩盖信号用于秘密传输.
- 建立一个信号噪声比 (SNR) 墙,以确保对不合作的接收器的隐蔽.
- 实施频段分区,以区分宿主和寄生信号.
- 分析掩盖到隐蔽信号功率比率和检测错误概率之间的关系.
主要成果:
- 拟议的方案证明了对部分频段干扰的理论稳定性.
- 理论评估证实了增强的通信可靠性.
- 实验结果显示,在不同的掩盖信号强度下,比特错误率 (BER) 性能得到改善.
- 与基于BPSK的混乱扩散频谱调制相比,该方案提供了更高的可靠性和安全性.
结论:
- 在混乱的多色调框架内,扩散频谱因子的动态调整有效地减轻了秘密通信中的部分频段干扰.
- 拟议的方案提供了一个强大的SNR墙,确保可靠和安全的秘密传输.
- 实验验证证证实了开发的通信方案的实际有效性和安全优势.
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