Towards Beyond Visual Line of Sight Piloting of UAVs with Ultra Reliable Low Latency Communication
在本文中，我们提出了一种用于无人机（UAV）远程驾驶的超视距（BVLOS）操作模型，该模型利用了移动边缘计算和增强现实等不同技术。超可靠低延迟通信 （URLLC） 是 5G 的一项关键服务，可实现安全的 BVLOS 操作。由于导航信号的报文大小是有限的，并且通信信道与高度有关，因此研究了不同高度在有限块长度制度下的可靠性和延迟。在我们的数值研究中，我们发现对于消息大小为 30 和 50 位，编码数据包大小（即块长度）应在 200 和 300 位范围内，以实现 BVLOS 操作。我们还发现，对于15 m/s的无人机速度和1.5 m至120 m的不同高度，无人机之间的最小距离应在0.2 m左右，以避免任何碰撞。根据我们的研究，URLLC可以通过提供10附近的误差概率来实现无人机的BVLOS操作-3，下行链路通信的延迟约为几毫秒，块长度为数十到数百位
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