同时无线电//电源多核光纤传输用于光驱无线电单元,消除了电力功率放大器
Optics express
|November 22, 2024
概括
这项研究展示了一种新的无线电光纤系统,该系统将无线电,和功率信号结合到一个光纤上. 它消除了远程无线电单元中的电功率放大器,提高了RF输出功率20dB.
科学领域:
- 光学通信是指光学通信.
- 光纤传感传感器是指光纤传感器.
- 无线电在光纤技术上的技术
背景情况:
- 无线电过光纤 (RoF) 系统传统上需要为远程无线电单元 (RUs) 提供单独的电源.
- 铁路企业的电力功率放大器 (PA) 增加了系统的复杂性,成本和功耗.
- 通过单一光纤集成多个功能是先进光通信系统的一个关键挑战.
研究的目的:
- 展示一项用于同时无线电,和电源光纤传输的新方案.
- 在远程无线电单元 (RU) 中消除对电功率放大器 (PA) 的需求.
- 通过光纤电源 (PoF) 实现轨道单位的光学供电.
主要方法:
- 使用单一的多核光纤进行下行RoF传输.
- 实现远程送的光学放大器来增强光学信号.
- 使用光纤电源为铁路公司的高功率光二极管提供电力.
主要成果:
- 通过单个多核光纤成功同时传输无线电,和电源信号.
- 在光学驱动的 RU 中消除电气 PAs.
- 由于远程送的光学放大器,RF输出信号功率得到了20dB的改进.
结论:
- 拟议的方案有效地整合了无线电信号传输,光学放大和光学电源.
- 这种方法显著提高了RF输出功率,同时降低了远程无线电单元的复杂性和功率要求.
- 这项技术为未来高效和高性能无线电光纤系统提供了一个有前途的解决方案.
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