提高P2MP IMDD PON收发器的性能和灵活性,通过并行多通道聚合来降低复杂性和延迟
Optics express
|December 19, 2025
概括
本研究介绍了一种用于6G被动光学网络 (PON) 的新型点对多点 (P2MP) 光学收发器. 新设计显著提高了上游传输能力,并降低了数字信号处理 (DSP) 的复杂性.
科学领域:
- 光学通信系统 光学通信系统
- 下一代无线网络 (6G)
背景情况:
- 现有的点对多点 (P2MP) 光学收发器用于强度调制和直接检测 (IMDD) 无源光学网络 (PON) 在灵活性,数字信号处理 (DSP) 复杂性和延迟方面扎.
- 这些局限性阻碍了它们支持6G时代预期的多样化应用的能力.
研究的目的:
- 提出一种新的,具有成本效益的P2MP灵活光学收发器,旨在克服当前技术的局限性.
- 为了提高上游传输能力,减少DSP复杂性,并改善未来6G PON的网络灵活性和可扩展性.
主要方法:
- 开发一个新的并行多道聚合/解聚合操作.
- 基于高级扩展高斯函数 (EGF) 的直角数字过器库的实施.
- 在>50Gbit/s@25km的IMDD上游PON中进行实验验证,使用不同的通道数和光网络单元 (ONU) 配置进行测试.
主要成果:
- 与以前的设计相比,通过8个通道实现了最大上游传输能力>52%的增强.
- 降低了>70%的发射器DSP复杂性,降低了>40%的接收器DSP复杂性.
- 展示了灵活的睡眠和觉醒ONU操作和可扩展性,支持70个独立频道,随着ONU数量的增加,对性能的影响最小.
结论:
- 拟议的P2MP灵活光学收发器为6G IMDD PONs提供了显著的进步.
- 它有效地解决了与容量,DSP复杂性和网络灵活性相关的挑战,为更强大和可扩展的光学网络铺平了道路.
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