利用Wi-Fi 6和MPTCP在安全港口监控中实现高效可靠的实时视频流

Andrea Gentili, H. Kokkoniemi-Tarkkanen, A. Heikkinen, M. Kasslin, M. Uusitalo
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摘要

连续可靠的无授权无线连接解决方案可能在下一代端口中发挥基础性作用。为了提供安全可靠的视频监控,自动橡胶轮胎龙门起重机(AutoRTGs)依靠有线电缆卷筒连接。通过采用5G技术,智能端口可以消除对固定有线连接的需求,转而采用低延迟的无线通信,从而实现有效的通信和控制。但是,有时最好利用互补的无线技术来承载资源密集型流量,例如上行链路(UL)中的大量视频数据。因此,Wi-Fi被认为是一种潜在的解决方案。无线网络因其快速安装和简单而被广泛使用。然而,多个未经授权的无线接入网的存在可能会影响无线连接的性能,因为通道干扰的可能性。本文研究了如何利用多路径传输控制协议(MPTCP)无线系统来替代固定光纤电缆盘。为了最大限度地减少延迟,我们建议同时使用两个Wi-Fi 6网络和MPTCP的冗余调度程序将视频流从起重机发送到远程控制中心(RCC)台。我们比较了不同的有线和无线拓扑方案,以评估AutoRTG运行时最可靠的网络配置。因此,我们用动态服务质量(QoS)度量来评估每个拓扑。我们发现,在两个Wi-Fi 6网络上使用MPTCP复制数据包可以实现稳定可靠的低延迟视频流,即使在其中一个网络经历突然的高延迟峰值的情况下也是如此。最后,我们讨论了如何利用Wi-Fi和MPTCP在上行流量大的情况下支持和补充5G。
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Leveraging Wi-Fi 6 and MPTCP for Efficient and Reliable Real-Time Video Streaming in Safe Port Monitoring
Continuous and reliable unlicensed wireless con-nectivity solutions could play a fundamental role in the next generation of ports. To provide secure and reliable video moni-toring, Automated Rubber- Tyred Gantry cranes (AutoRTGs) rely on wired cable reel connections. By adopting 5G technology, smart ports can eliminate the need for fixed wired connections in favour of low-latency wireless communication, allowing effective communication and control. However, occasionally it is better to leverage complementary wireless technologies to carry resource-intensive traffic like large amounts of video data in uplink (UL). As a result, Wi-Fi is being considered as a potential solution. Wireless networks are widely utilized for their quick installation and simplicity. However, the presence of multiple unlicensed Wireless Access Networks could impact the wireless connection performance due to the possibility of channel interference. This paper studies how the utilization of a Multipath Trans-mission Control Protocol (MPTCP) wireless system can serve as an alternative to a fixed fiber cable reel. To minimize the latency, we propose the simultaneous use of two Wi-Fi 6 networks and MPTCP's redundant scheduler to send video streams from the crane to a remote control center (RCC) desk. We compare different wired and wireless topology alternatives to assess the most reliable network configuration when the AutoRTG is in operation. Thus, we evaluate each topology with dynamic quality of service (QoS) measurements. We find that duplicating packets with MPTCP over two Wi-Fi 6 networks allows for stable and reliable low-latency video streaming, even in instances where one of the networks experiences sudden high delay peaks. Finally, we discuss how the utilization of Wi-Fi and MPTCP can be a choice to support and complement 5G in situations with heavy uplink traffic.
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