使用OTFS调制的无人机选择高速列车通信
Ehab Mahmoud Mohamed1, Sherief Hashima2,3
1Department of Electrical Engineering, College of Engineering in Wadi Addawasir, Prince Sattam Bin Abdulaziz University, 11991, Wadi Addawasir, Saudi Arabia. ehab_mahmoud@aswu.edu.eg.
Scientific reports
|January 27, 2025
概括
本研究使用无人机 (UAV) 实现高速列车 (HST) 无线连接. 它使HST能够估计无人机的高度和速度,以实现最佳连接,提高数据速率并减少交付.
科学领域:
- 无线通信无线通信
- 空中网络 空中网络
- 信号处理 信号处理
背景情况:
- 高速列车 (HST) 需要可靠的无线连接,但地面基站昂贵,特别是在偏远地区.
- 无人驾驶飞行器 (UAV) 提供了一个灵活的解决方案,可以为像HST这样的移动平台提供无线覆盖.
研究的目的:
- 开发一种方法,使HST能够自主选择最佳的无人机,以最大限度地提高数据速率和覆盖时间.
- 为了解决估计无人机参数 (高度,速度) 的挑战,以便有效选择无人机.
主要方法:
- 使用延迟多普勒 (DD) 域中的通道参数与正交时频空间 (OTFS) 调制.
- 根据DD域频道特征,估计HST和无人机之间的相对速度,以及无人机飞行高度.
主要成果:
- 可以准确估计无人机的高度和相对速度.
- 高频传感器可以预测无人机覆盖时间,根据剩余的电池容量进行最佳无人机的明智选择.
结论:
- 拟议的方法有效地增强了使用无人机的高空望远镜的无线连接.
- 这种方法优化了无人机选择,以提高数据速率和减少交付频率,优于基准.
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