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基于delta-sigma调制的超高阶QAM安全传输,使用离散记忆增强混沌来实现
Optics letters
|February 15, 2024
概括
本研究介绍了一种使用delta-sigma调制 (DSM) 和离散记忆增强混沌 (DMEC) 的安全信号传输方法,用于强大的数据加密和高阶信号传输.
科学领域:
- 光学通信是指光学通信.
- 信息安全 信息安全
- 混沌理论 混沌理论
背景情况:
- 像16384QAM这样的高阶调制格式对于增加数据传输能力至关重要.
- 现有的加密方法在实现高安全性和与高级调制方案的兼容性方面面临挑战.
- 基于混乱的加密提供了大量的密钥空间,但需要有效地集成到通信系统中.
研究的目的:
- 提出一种新的,高安全性和高顺序的信号传输方法.
- 整合离散记忆增强混沌 (DMEC) 与delta-sigma调制 (DSM) 进行增强的加密.
- 为了证明这种方法在光纤通信系统中的实际可行性.
主要方法:
- 使用离散记忆增强混沌 (DMEC) 来加密三模拟 (DSM) 信号.
- 使用 10^98 的大密钥空间进行强大的加密.
- 在强度调制直接检测 (IMDD) 系统中,通过25公里的单模光纤向16384QAM信号进行高安全传输.
主要成果:
- 实现了10^98的密钥空间,显著提高了加密安全性.
- 在IMDD系统中成功传输了具有高性能的16384QAM信号.
- 显示关键灵敏度级别为10^-17,表明对未经授权的访问有强大的安全性.
结论:
- 基于DMEC和DSM的超高级传输方案为现代光通信系统提供了安全和高性能的解决方案.
- 基于混乱的加密与先进的调制技术的整合为未来的安全通信网络提供了有希望的方向.
- 该方法确保了高数据速率和严格的安全要求,解决了安全数据传输的关键需求.
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