CARL-W: a Testbed for Empirical Analyses of 5G and Starlink Performance
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The deployment of 5G networks, including 5G Non-Public Networks (5G-NPNs) for private use in several verticals, is rapidly taking place worldwide. However, deploying these networks in under-served areas, where there may be limited Internet access or backhauling capabilities, presents challenges. To address these challenges, there is a growing interest in using Low Earth Orbit (LEO) satellites, such as SpaceX's Starlink, which can provide high-throughput and low-latency Internet access via dense satellite constellations. In this paper, we present CARL-W, the Wireless module of the Communications Advanced Research Laboratory (CARL) at Karlstad University, which combines a 5G-NPN and a Starlink deployment. CARL-W serves as a platform for empirical analyses on both systems, thus contributing towards the study of their possible integration. In particular, we outline the CARL-W experimentation framework and provide access to the CARL-W visualization and data exporting platform. We also open-source a 1-month Starlink dataset, facilitating further analyses of this relatively new technology.
当前，全球5G网络部署正加速推进，面向多个垂直行业的专用5G非公共网络（5G Non-Public Networks，5G-NPNs）亦在快速落地。然而，在互联网接入或回传能力受限的服务覆盖不足区域部署此类网络，仍面临诸多挑战。为应对上述挑战，低地球轨道（Low Earth Orbit，LEO）卫星的应用价值日益凸显——例如太空探索技术公司（SpaceX）的星链（Starlink），可通过密集卫星星座提供高吞吐量、低延迟的互联网接入服务。本研究中，我们提出了卡尔施塔特大学通信先进研究实验室（Communications Advanced Research Laboratory，CARL）的无线模块CARL-W，该平台集成了5G-NPN与星链部署方案。CARL-W可作为针对两类系统开展实证分析的实验平台，为二者的融合应用研究提供支撑。具体而言，我们详细阐述了CARL-W的实验框架，并开放了CARL-W可视化与数据导出平台的访问权限。此外，我们还开源了一段时长1个月的星链数据集，以推动针对这项新兴技术的后续分析研究。
