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On Ergodic Rates and Optimal Array Geometry in Line-of-Sight Massive MIMO
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-7599-4367
2016 (English)Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

We investigate the achievable ergodic rate of Massive multi-input-multi-output (MIMO) system in environments with high mobility and line-of-sight (LoS). A 3-dimensional geometric model with uniform rectangular array at the basestation (BS) is used for the investigation. We derive a closed formexpression for a lower bound on the uplink ergodic rate takinginto account imperfections of the channel state information,number of BS antennas, antenna spacing, and spatial distributionof user terminals. The results show that, in LoS Massive MIMO, when the terminals are spherically uniformly distributed around the BS, the ergodic rate is maximized for antenna spacing equal to integer multiples of one-half wavelength.

Place, publisher, year, edition, pages
2016.
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:liu:diva-129714DOI: 10.1109/SPAWC.2016.7536728ISI: 000382942700003OAI: oai:DiVA.org:liu-129714DiVA: diva2:942550
Conference
SPAWC 2016. The 17th IEEE International workshop on Signal Processing advances in Wireless Communications July 3rd-July 6th, Edinburgh, UK
Available from: 2016-06-24 Created: 2016-06-24 Last updated: 2016-11-21Bibliographically approved

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Chandhar, PrabhuDanev, DanyoLarsson, Erik G.
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CiteExportLink to record
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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