概括
一个新的光学传输方案通过混乱常量组件分布匹配 (CCDM) 和极点编码来提高安全性和性能. 这种方法实现了低位错误率和安全光学网络的大键空间.
科学领域:
- 光学通信是指光学通信.
- 信息安全 信息安全
- 编码理论编码理论
背景情况:
- 光通信系统面临着对更高数据速率和更高安全性的日益增长的需求.
- 现有的加密方法可能无法充分解决被动光网络 (PON) 中不断变化的安全威胁.
研究的目的:
- 提出和实验验证一种新的光学传输方案,将混乱加密与极地编码相结合,以提高安全性和性能.
- 评估一个双路混沌加密的光学直角频率分割多重复合被动光学网络 (OFDM-PON) 的可行性.
主要方法:
- 使用极地编码与五维混乱序列的数据加密.
- 双路径混乱的常量组件分布匹配 (CCDM) 加密.
- 加密通道的合并和子载波编码.
- 在2公里长的七核光纤上使用16QAM-OFDM信号进行实验验证.
主要成果:
- 实现了所有光网络单元 (ONU) 的比特错误率 (BER) 在10-3以下,所接收的光功率小于-15 dBm.
- 拟议的系统展示了1085的关键空间,显著提高了安全性.
- 成功的传输实验验证了该计划的可行性.
结论:
- 开发的双路混沌加密OFDM-PON提供了一个有前途的解决方案,用于安全和高效的光学数据传输.
- 结合CCDM和Polar编码,提供了强大的安全性和出色的错误纠正能力.
- 该方案由于其卓越的BER和安全性能,在现代光学传输系统中表现出乐观的应用前景.
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