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Grant-free access for IoT in beyond-5G systems: The potential of receiver diversity

: Munari, A.; Clazzer, F.; Simeone, O.; Utkovski, Z.


Institute of Electrical and Electronics Engineers -IEEE-:
2nd 6G Wireless Summit, 6G SUMMIT 2020 : Gain edge for the 6G era, 17-20 March 2020, Levi, Finland, virtual event
Piscataway, NJ: IEEE, 2020
ISBN: 978-1-7281-6047-4
ISBN: 978-1-7281-6046-7
ISBN: 978-1-7281-6048-1
5 S.
6G Wireless Summit <2, 2020, Online>
Fraunhofer HHI ()

The impressive increase in market penetration of internet of things (IoT) services and the flourishing of targeted technology solutions forecast a prominent role for these applications in upcoming networks. For their success, the design of efficient grant-free based medium sharing policies is paramount, and represents a key challenge for beyond-5G systems. Motivated by this, the article reviews some recent results on the potential of receiver diversity, which is emerging as a very promising approach to boost performance of random access for machine-type communications.