On the Road to 6G: Visions, Requirements, Key Technologies and Testbeds

6G Radio Testbeds: Requirements, Trends, and Approaches

“…Potential approaches to achieve synchronization are detailed, as experience in actually building testbeds shows that this poses a main, if not the main, challenge for D-MIMO. Targets for 6G testbeds are broad, as the envisioned 'network of networks' will among others include both terrestrial and non-terrestrial components and serve applications with frequencies up to sub-THz [3]. While the latter paper clarifies 6G requirements, we here focus on how to attain these are addressed in the testbeds.…”

“…To gain a better understanding of the discussed testbeds and their capabilities, see Table II. For a comprehensive comparison of additional 6G testbeds, you can find relevant information in [3].…”

“…Research and development toward this novel generation of networks started several years ago in different regions of the world, e.g., [2]. A myriad of applications and novel use cases, ranging from augmented reality (AR) and mixed reality (MR) in professional and entertainment contexts to support autonomous systems and connecting a massive number of battery-less devices, are envisioned to be served by these networks [3]. The analysis of these use cases has led to a harmonized view of which functions and capabilities 6G networks should offer.…”

“…Summary of the presented testbeds, describing the testbed level, number of total antenna elements, bandwidth, carrier frequency and 6G functionality. A comprehensive overview of other 6G testbeds can be found in[3, Table XI and XII].…”