基于非线性里埃变换的光学通信系统与FBMC波载体
Optics express
|January 29, 2025
概括
本研究介绍了动态频谱访问物理层 (PHYDYAS) 作为非线性里埃变换 (NFT) 系统的新浪载波器. 菲迪亚斯提高了可实现的信息速率,并提高了光通信中的噪声弹性.
科学领域:
- 光学通信是指光学通信.
- 信号处理 信号处理
背景情况:
- 非线性里埃变换 (NFT) 传输方案对光通信具有前景.
- 非线性频率分割复杂化 (NFDM) 提供了非线性和分散免疫力,但在可实现的信息速率 (AIR) 和放大器噪声方面面临挑战.
研究的目的:
- 调查物理层用于动态频谱访问 (PHYDYAS) 作为NFT系统中的波载体的使用.
- 为了比较PHYDYAS波载体与基于Hermite-Gaussian (HG) 的NFT方案的性能.
主要方法:
- 实施了PHYDYAS,一种过器银行多载波 (FBMC) 方法,作为NFT系统中的波载波.
- 基于可实现的信息速率 (AIR) 和对线内放大器噪声的弹性来评估系统性能.
- 与传统的基于 sinc,根式 cosine 和 HG 的 NFT 计划进行基准测试.
主要成果:
- 基于PHYDYAS的NFT系统实现了高达7.2位/符号的高AIR.
- 与基于HG的NFT方法相比,在线放大器噪声方面表现出更高的弹性.
- 与现有的NFT波载体方法相比,PHYDYAS提供了显著的改进.
结论:
- 菲迪亚斯是基于NFT的光通信系统的可行和高性能波载体.
- 拟议的方案有效地解决了当前NFT技术在AIR和噪音敏感性方面的局限性.
- 这一进步为更强大,更有效的光学传输铺平了道路.
相关概念视频
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