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用于B5G混合VLC/RF接入网络的光驱FiWi系统
Optics express
|November 22, 2024
概括
本研究介绍了一种用于超越5G (B5G) 网络的新型光纤/无线 (FiWi) 系统,集成可见光通信 (VLC) 和射频 (RF) 接入. 电源光纤技术成功为VLC和射频组件提供动力,展示了高效的B5G室内通信.
科学领域:
- 光学通信是指光学通信.
- 无线网络无线网络.
- 超越5G (B5G) 技术的技术
背景情况:
- 室内无线网络的传统电力供应在灵活性和集成方面面临挑战.
- 超越5G (B5G) 的新兴系统需要创新的解决方案来实现无光纤和无线融合.
- 可见光通信 (VLC) 和无线电频率 (RF) 网络为高速室内数据传输提供了互补的方法.
研究的目的:
- 为B5G室内应用提出和演示光驱光纤/无线 (FiWi) 系统.
- 集成Power-over-Fiber (PoF) 技术,同时远程为VLC和RF组件提供电源.
- 评估由PoF供电的混合VLC/RF接入网络的通信性能.
主要方法:
- 设计了一个混合FiWi系统,将VLC和RF接入网络结合起来.
- 采用了Power-over-Fiber (PoF) 技术,在500米多模光纤 (MMF) 上提供光学功率.
- 一个5G新无线电 (5G NR) 信号通过Radio-over-Fiber (RoF) 前线传输,然后通过混合VLC/RF网络分发.
主要成果:
- 该PoF系统成功地传输了8.1W的光学功率,效率为14%,为VLC和射频模块提供红色激光.
- 该VLC链接实现了1.2Gbps的吞吐量,带宽为200MHz和64QAM,显示EVMRMS的4.02%.
- 在3.5GHz的RF链接提供了360Mbps的EVMRMS的2.67%.
结论:
- 拟议的光驱FiWi系统是B5G室内应用的可行解决方案.
- 功率在光纤技术有效地为混合VLC和射频接入网络提供动力.
- 该系统在VLC和射频通信链路上都表现出强大的性能,与传统电源相对验证.
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