一个基于共享发射器的混合RF/FSO传输系统
Qinyi Zhang1, Jianjun Yu1, Jianyu Long1
1State Key Laboratory of ASIC and System, Key Laboratory for Information Science of Electromagnetic Waves (MoE), School of Information Science and Technology, Fudan University, Shanghai 200433, China.
Sensors (Basel, Switzerland)
|April 12, 2025
概括
本研究介绍了一种混合射频 (RF) 和自由空间光学 (FSO) 通信系统. 综合设计增强了传输稳定性,并减少了高速,全环境连接的复杂性.
科学领域:
- 通信工程 通信工程
- 光学通信是指光学通信.
- 无线通信无线通信
背景情况:
- 自由空间光学 (FSO) 通信提供高带宽,但容易受到环境干扰.
- 无线电频率 (RF) 通信提供了稳定性,但通常具有较低的带宽.
- 整合射频和FSO链接可以利用这两种技术的优势.
研究的目的:
- 提出和演示一个新的混合集成系统,用于RF和FSO通信.
- 为了使RF和FSO之间的共享发射机和传输链的利用.
- 提高通信系统的适应性,稳定性,并减少复杂性.
主要方法:
- 混合传输系统的设计,集成RF和FSO链接.
- 为两种通信类型实施共享的发射器和传输路径.
- 对集成系统性能进行实验验证.
主要成果:
- 混合RF/FSO系统实现了50Gbit/s的传输,达到2.4×10-2软决策前置错误校正 (SD-FEC) 的值.
- 该FSO组件单独支持100 GBaud二次相位转换键 (QPSK) 和32 GBaud16-二次幅度调制 (16QAM) 传输.
- 通过共享组件证明了系统稳定性的提高和复杂性的降低.
结论:
- 拟议的混合RF/FSO系统有效地结合了RF和FSO通信技术的优势.
- 这种综合设计为各种环境条件下的高速宽带通信提供了强大的解决方案.
- 该系统为未来在全环境通信网络方面的进步奠定了基础.
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