美国国税局协助的车辆可见光通信系统:通道建模和性能分析
Applied optics
|January 4, 2024
概括
智能反射表面 (IRS) 通过减轻视线阻塞来增强车辆可见光通信 (VVLC). 本研究模拟了IRS辅助的VVLC系统,分析了在各种条件和参数下的性能.
科学领域:
- 工程 工程师 工程师 工程师
- 通信 通信 通信 通信 通信
- 光学是什么?光学是什么?光学是什么?
背景情况:
- 可见光通信 (VLC) 为拥挤的无线电频段提供了替代方案.
- 车载可见光通信 (VVLC) 使用车辆灯光进行数据传输.
- 在VLC系统中,视线阻塞 (LoS) 是一个重大挑战.
研究的目的:
- 提出和分析智能反射表面 (IRS),以克服VVLC系统中的LoS阻塞.
- 调查各种环境和系统参数对VVLC性能的影响.
- 在IRS辅助的VVLC中获得最大可实现链路距离的封闭式表达式.
主要方法:
- 开发了IRS辅助VVLC系统的通道模型.
- 在不同的天气条件下 (晴朗,雨,雾) 和辐射模式下 (兰伯特,高斯,LED) 调查路径损失.
- 分析了光探测器光圈大小,IRS属性和距离对系统性能的影响.
主要成果:
- 在VVLC中,IRS安装有效地克服了LoS阻塞问题.
- 路径损失受到天气,辐射模式和系统参数的重大影响.
- 为最大链路距离与错误概率衍生出一个闭式表达式.
结论:
- 美国国税局协助的VVLC系统显示出可靠的车辆对车辆通信的希望.
- 系统设计必须考虑环境因素和特定组件参数,以实现最佳性能.
- 进一步的研究可以探索先进的IRS配置和集成策略,以增强VVLC.
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