相关实验视频
Updated: Jun 6, 2025

07:45
Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
10.8K
466.4-Gbit/s PCS-64QAM无线传输通过双极化SISO链路和向量量子化变量自动编码器来增强
Optics express
|November 22, 2024
概括
我们使用光子技术实现了466.4 Gbit/s的无线数据传输,并通过先进的AI均衡器克服了信号扭曲. 这一突破增强了光纤无线系统,以提高容量.
科学领域:
- 光学通信是指光学通信的应用.
- 无线网络是无线网络.
- 在信号处理中的人工智能.
背景情况:
- 无线光纤集成系统面临的挑战是由于信号损害而维持高数据速率.
- 极化复杂化和高频带 (92.5 GHz) 对于增加无线容量至关重要.
- 需要先进的等分技术来弥补线性和非线性交叉通话.
研究的目的:
- 为了演示高速光子辅助无线传输.
- 评估基于AI的新型等效器对信号补偿的有效性.
- 调查拟议的光纤无线系统的容量和稳定性.
主要方法:
- 使用一个概率感知向量量子化变量自编码器 (VQ-VAE) 均衡器进行极化解复合.
- 采用多输入多输出 (MIMO) 沃尔特拉非线性等效器 (MIMO-VNE) 进行交叉通话补偿.
- 将拟议的VQ-VAE与共享层自编码器 (SLAE) 模型与最先进的盲等分器 (CMA, VAE) 进行了比较.
主要成果:
- 在20公里SSMF和6米无线上成功展示了单载波466.4 Gbit/s无线传输.
- VQ-VAE-SLAE等分器在容量和稳定性方面超过了现有的盲目等分器.
- 实现了2dB的功率边际和0.05NGMI增益,用于双极化40Gbaud PCS-64QAM信号.
结论:
- 拟议的VQ-VAE-SLAE等分器为先进的信号补偿提供了一个低复杂性的框架.
- 这种方法显著提高了光纤无线系统的无线空气接口容量.
- 这些发现为未来高容量集成光纤和无线网络铺平了道路.
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