A Vision and An Evolutionary Framework for 6G: Scenarios, Capabilities and Enablers

Ruiqi Liu, Ruyue Yu-Ngok Li, Marco Di Renzo, Lajos Hanzo

With the standardization and commercialization completed at an unforeseen pace for the 5th generation (5G) wireless networks, researchers, engineers and executives from the academia and industry have turned their attention to new candidate technologies that can support the next generation wireless networks enabling more advanced capabilities in sophisticated scenarios. Explicitly, the 6th generation (6G) terrestrial wireless network aims to providing seamless connectivity not only to users but also to machine type devices for the next decade and beyond. This paper describes the progresses moving towards 6G, which is officially termed as ``international mobile telecommunications (IMT) for 2030 and beyond'' in the International Telecommunication Union Radiocommunication Sector (ITU-R). Specifically, the usage scenarios, their representative capabilities and the supporting technologies are discussed, and the future opportunities and challenges are highlighted.

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