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Supporting UAV Cellular Communications through Massive MIMO
Nokia Bell Labs, Ireland.
Nokia Bell Labs, Ireland.
Nokia Bell Labs, Ireland.
Nokia Bell Labs, Ireland.
Show others and affiliations
2018 (English)In: 2018 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS WORKSHOPS (ICC WORKSHOPS), IEEE , 2018Conference paper, Published paper (Refereed)
Abstract [en]

In this article, we provide a much-needed study of UAV cellular communications, focusing on the rates achievable for the UAV downlink command and control (Camp;C) channel. For this key performance indicator, we perform a realistic comparison between existing deployments operating in single-user mode and next-generation multi-user massive MIMO systems. We find that in single-user deployments under heavy data traffic, UAVs flying at 50 m, 150 m, and 300 m achieve the Camp;C target rate of 100 kbps - as set by the 3GPP - in a mere 35%, 2%, and 1% of the cases, respectively. Owing to mitigated interference, a stronger carrier signal, and a spatial multiplexing gain, massive MIMO time division duplex systems can dramatically increase such probability. Indeed, we show that for UAV heights up to 300m the target rate is met with massive MIMO in 74% and 96% of the cases with and without uplink pilot reuse for channel state information (CSI) acquisition, respectively. On the other hand, the presence of UAVs can significantly degrade the performance of ground users, whose pilot signals are vulnerable to UAV-generated contamination and require protection through uplink power control.

Place, publisher, year, edition, pages
IEEE , 2018.
Series
IEEE International Conference on Communications Workshops, ISSN 2164-7038
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:liu:diva-152104DOI: 10.1109/ICCW.2018.8403630ISI: 000445022200144ISBN: 978-1-5386-4328-0 (electronic)ISBN: 978-1-5386-4329-7 (print)OAI: oai:DiVA.org:liu-152104DiVA, id: diva2:1256666
Conference
IEEE International Conference on Communications (ICC)
Available from: 2018-10-17 Created: 2018-10-17 Last updated: 2019-06-28

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Björnson, Emil
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Communication SystemsFaculty of Science & Engineering
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Total: 21 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf