基于MMW-RoF系统中的概率塑造和加密的协调安全性
Optics letters
|June 1, 2023
概括
一个新的物理层加密方案增强了W频段毫米波无线电光纤 (MMW-RoF) 系统的安全性. 这种方法提高了数据安全性和信号传输质量,为安全通信提供了强大的解决方案.
科学领域:
- 光学通信是指光学通信.
- 物理层安全 物理层安全
- 无线通信无线通信
背景情况:
- 毫米波无线电光纤 (MMW-RoF) 系统提供高带宽,但面临安全挑战.
- 现有的加密方法可能无法与信号塑造技术完全整合.
- 概率造型 (PS) 在光通信中使用,但需要加强安全集成.
研究的目的:
- 为MMW-RoF系统提出一个协调安全概率塑造 (PS) 物理层加密方案.
- 加强MMW-RoF系统对复杂攻击的安全性.
- 为了提高加密MMW-RoF信号的比特错误率 (BER) 性能.
主要方法:
- 拟议的方案整合了替代加密,协调加密PS和不平等长度分组编码.
- 生成一个10^103的大键空间,以防止粗暴武力和选择纯文本攻击.
- 加密的直角频率分割复杂化 (OFDM) 信号通过50公里的标准单模光纤 (SSMF) 和5米的无线通道传输.
主要成果:
- 加密方案有效地协调PS和混乱加密.
- 该系统成功地通过光纤和无线通道联合传输加密的OFDM信号.
- 与传统的OFDM信号相比,在10^-3的BER下实现了0.8dB的接收光学功率增益.
结论:
- 拟议的协调安全的PS加密方案为MMW-RoF系统提供了卓越的安全性能.
- 该方案显示了改进的BER性能,验证了其实际适用性.
- 这种综合方法为安全和高效的MMW-RoF通信提供了强大的解决方案.
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