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混合低复杂度波段率采样和自适应等效技术用于400G/800G连贯大都市区网络
Optics express
|August 13, 2025
概括
一种新的波段率采样和自适应等效 (BSAE) 技术增强了动态的400G/800G连贯大都市区网络 (MAN). 这种方法有效地弥补了色谱分散和智商偏差,减少了功耗和计算复杂性.
科学领域:
- 视觉通信工程 视觉通信工程
- 对于电信的信号处理.
背景情况:
- 德率采样和自适应均等 (BSAE) 降低了功耗,但在都市区域网络 (MAN) 中与色谱分散 (CD) 和相位/方位 (IQ) 偏差作斗争.
- 过量采样和分数间隔自适应均等 (OFAE) 处理这些扭曲,但需要更高的采样速率和功率.
研究的目的:
- 为动态400G/800G连贯MANs提出并验证一种新的BSAE技术.
- 证明该技术能够在长距离上补偿显著的CD和IQ偏斜扭曲.
- 与现有方法相比,评估功率和计算效率.
主要方法:
- 开发一种混合自适应等分器 (AEQ),以波德率在频率和时间领域运行.
- 尼奎斯特过与混合AEQ.的整合.
- 数字模拟和实验验证对400G/800G连贯MAN的数值模拟,最长可达120公里的跨度.
主要成果:
- 拟议的BSAE技术成功地弥补了400G/800G连贯MAN中的大型CD和IQ偏斜扭曲.
- 实现了与OFAE技术相比较的卓越性能.
- 与最先进的BSAE相比减少了约40%的等分计算复杂性,与OFAE相比减少了80%.
结论:
- 新的BSAE技术克服了传统BSAE在MAN应用中的局限性.
- 为动态400G/800G连贯MANs提供了一种节能且在计算上不那么复杂的解决方案.
- 为未来的高容量光学网络提供了一个非常有吸引力的替代方案.
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