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Modular Concepts for Practical Massive MIMO Implementations

 
: Wirth, T.; Haustein, T.; Forck, A.; Gäbler, H.; Krüger, K.; Krüger, U.; Braz, O.; Schieblich, C.

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Institute of Electrical and Electronics Engineers -IEEE-:
IEEE Radio and Wireless Symposium, RWS 2020 : 26-29 January 2020, San Antonio, Texas, USA, IEEE Radio and Wireless Week 2020
Piscataway, NJ: IEEE, 2020
ISBN: 978-1-7281-1120-9
ISBN: 978-1-7281-1119-3
ISBN: 978-1-7281-1121-6
pp.60-67
Radio and Wireless Symposium (RWS) <2020, San Antonio/Tex.>
Radio & Wireless Week (RWW) <2020, San Antonio/Tex.>
English
Conference Paper
Fraunhofer HHI ()

Abstract
The Massive MIMO principle is becoming a standard component of 5G cellular communications. 5G New Radio (NR) supports beamforming, beam-adjustment and beam-sweeping techniques. This increases data rates and adds flexibility for resource allocation, even in lower frequency bands below 6 GHz. In this paper, we give details on a Massive MIMO prototype, which was engineered at Fraunhofer Heinrich Hertz Institute for testing of novel radio techniques. Furthermore, we show results for beamforming and beam-nulling of real measurements performed with this hardware prototype in an outdoor environment operating in the 2.6 GHz band. Finally, we evaluate the inter-beam interference in a multi-beam scenario with spatially close beams.

: http://publica.fraunhofer.de/documents/N-596186.html