Implementation Challenges and Opportunities in Beyond-5G and 6G Communication

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  • Author: Ulf Gustavsson, Pål Frenger, Christian Fager, Thomas Eriksson, Herbert Zirath, Franz Dielacher, Christoph Studer, Aarno Pärssinen, Ricardo Correia, João Nuno Matos, Daniel Belo, Nuno Borges Carvalho

As 5G New Radio (NR) is being rolled out, research effort is being focused on the evolution of what is to come in the post-5G era. In order to meet the diverse requirements of future wireless communication in terms of increased capacity and reduced latency, technologies such as distributed massive Multiple-Input Multiple-Output (MIMO), sub-millimeter wave and Tera-hertz spectrum become technology components of interest. Furthermore, to meet the demands on connectivity anywhere at any time, non-terrestrial satellite networks will be needed, which brings about challenges both in terms of implementation as well as deployment. Finally, scaling up massive Internet-of-Things (IoT), energy harvesting and Simultaneous Wireless Information and Power Transfer (SWIPT) is foreseen to become important enablers when deploying a large amount of small, low-power radios.

In this paper, we will discuss some of the important opportunities these technologies bring, and the challenges faced by the microwave and wireless communication communities.

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