探索波浪海面对NLOS-UOWC系统的影响:一种新的决定性方法
Paulo Samaniego-Rojas1, Rubén Boluda-Ruiz1, José María Garrido-Balsells1
1Telecommunication Research Institute (TELMA), Universidad de Málaga, E-29010 Málaga, Spain.
Sensors (Basel, Switzerland)
|February 13, 2025
概括
海洋波严重破坏水下光学无线通信 (UOWC),导致光束失调. 这种新模型准确地预测了受波变性影响的非视线 (NLOS) UOWC系统中的通信可行性.
科学领域:
- 光学工程是指光学工程.
- 海洋学 海洋学 海洋学
- 无线通信无线通信
背景情况:
- 水下光学无线通信 (UOWC) 对于各种应用,包括自动水下车辆至关重要.
- 非视线 (NLOS) 配置由于海洋表面动态等环境因素而存在独特的挑战.
- 现有的模型往往简化或忽略了动态海面条件对UOWC通道的影响.
研究的目的:
- 在NLOS配置中开发UOWC通道的确定性模型,考虑波浪式海洋表面.
- 分析海洋波对UOWC系统性能的影响,重点关注光束足迹和照明间隔.
- 为改善NLOS UOWC链路设计提供见解,特别是对于移动水下系统.
主要方法:
- 采用一种新的决定性方法来建模UOWC通道.
- 该模型结合了波浪般的海洋表面对光束传播的影响.
- 使用光学几何分析计算了光束足迹,位置和接收器照明时间.
主要成果:
- 该模型准确计算可变光束足迹宽度和接收器照明间隔.
- 海洋波动的变化被证明会导致光学链接的显著失调.
- 间歇性通信机会被确定为波引起的干扰的结果.
结论:
- 海洋波浪的变化严重影响NLOS-UOWC系统,导致光束 misalignment 和间歇性通信.
- 开发的模型在动态的海面条件下提供了准确的系统性能预测.
- 研究结果支持改进水下移动应用的链路设计,有助于减少指向错误.
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