在IoUT中模拟和模拟光学无线通信通道,考虑水类型的流和发射器选择
M Mokhtar Zayed1,2, Mona Shokair3,4
1Department of Communications, Faculty of Electronic Engineering, Menoufia University, Menoufia Governorate, Menouf City, Egypt. mohammed.mokhtar.zayed@gmail.com.
Scientific reports
|August 4, 2025
概括
激光二极管光源 (LD-PS) 与发光二极管光源 (LED-PS) 相比,在水下物联网 (IoUT) 中为水下光学无线通信 (OWC) 提供了更高的性能. 在各种水条件和流水平上,LD-PS实现了更长的传输距离和更好的可靠性.
科学领域:
- 在水下进行通信.
- 光学无线通信 (OWC) 是一种无线通信.
- 水下物联网 (IoUT) 的互联网.
背景情况:
- OWC正在成为IoUT的声学和射频方法的高速替代品.
- 水下光学通道受到吸收,散射,流和噪声的影响.
- 不同的水类型 (海水,沿海,港口) 影响光的传播.
研究的目的:
- 为IoUT应用程序全面建模和模拟OWC通道.
- 为了比较评估LED-PS和LD-PS在520nm的性能.
- 分析水类型,发射器和流对通信的影响.
主要方法:
- 在MATLAB和Python中开发了OWC道模型和模拟.
- 研究了吸收,散射,流 (日志正常,马,韦布尔) 和噪声的影响.
- 根据不同水类和流强度的接收功率,SNR和BER来评估性能.
主要成果:
- 在所有经过测试的场景中,LD-PS的表现始终优于LED-PS.
- 在-53.4dBm时,LD-PS在纯海水中达到68.39m,而LED-PS在纯海水中达到27.36m.
- 的港口条件显著减少了两种发射器类型的通信范围.
结论:
- 对于IOUT OWC,LD-PS比LED-PS更有效,提供更长的射程和可靠性.
- 环境因素,如水的度,极大地影响可实现的通信距离.
- 该研究为设计强大的水下光通信系统提供了必要的数据.
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