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Narrow Beam Channel Characteristics Measured on an 5G NR Grid-of-Beam Test-Bed
Ericsson Research.
Ericsson Research.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Ericsson Research.
2018 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Massive MIMO enabling dynamic beamforming is one key component in 5G New Radio (NR). Narrow beams improve capacity by reduced interference and extend coverage by increased antenna gain. One implementation of dynamic beamforming is Grid-of-Beams (GoB) with fixed narrow beams. In this study, the per beam characteristics are measured in a full-scale micro cell deployment with a mm-wave 5G NR test-bed. It is shown that the channel characteristics are strongly dependent on reflections captured within each beam. Channel conditions such as delay spread, singular value ratio and MIMO rank differ also between adjacent beams. Reflections may even cause significant path length difference which may call for individual synchronization per beam, e.g. meaning that beams at same transmission point may not always be considered quasi co-located (QCL)

Place, publisher, year, edition, pages
New York: Institute of Electrical and Electronics Engineers (IEEE), 2018.
Series
IEEE Vehicular Technology Conference Proceedings, ISSN 1550-2252
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Industrial Electronics
Identifiers
URN: urn:nbn:se:ltu:diva-70359DOI: 10.1109/VTCSpring.2018.8417474Scopus ID: 2-s2.0-85050995436ISBN: 9781538663554 (electronic)OAI: oai:DiVA.org:ltu-70359DiVA, id: diva2:1238439
Conference
87th IEEE Vehicular Technology Conference, VTC Spring 2018, Porto, Portugal, 3-6 June 2018
Available from: 2018-08-13 Created: 2018-08-13 Last updated: 2018-08-13Bibliographically approved

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CiteExportLink to record
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  • de-DE
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  • Other locale
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Output format
  • html
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  • asciidoc
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