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Uplink Power Efficiency of Multiuser MIMO with Very Large Antenna Arrays
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7599-4367
Bell Laboratories, Alcatel-Lucent, Murray Hill, NJ 07974, USA.
2011 (English)In: Proceedings of Allerton Conference on Communication, Control, and Computing, IEEE , 2011, 1272-1279 p.Conference paper, Published paper (Refereed)
Abstract [en]

A multiplicity of autonomous terminals simultaneously transmits data streams to a compact array of antennas. The array uses imperfect channel-state information derived from transmitted pilots to extract the individual data streams. The power radiated by the terminals can be made inversely proportional to the square-root of the number of base station antennas with no reduction in performance. In contrast if perfect channel-state information were available the power could be made inversely proportional to the number of antennas. A maximum-ratio combining receiver normally performs worse than a zero-forcing receiver. However as power levels are reduced, the cross-talk introduced by the inferior maximum-ratio receiver eventually falls below the noise level and this simple receiver becomes a viable option.

Place, publisher, year, edition, pages
IEEE , 2011. 1272-1279 p.
Keyword [en]
Multiuser MIMO, power efficiency, very large antenna array
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-70181DOI: 10.1109/Allerton.2011.6120314ISBN: 978-1-4577-1817-5 (print)OAI: oai:DiVA.org:liu-70181DiVA: diva2:436517
Conference
2011 49th Annual Allerton Conference on Communication, Control, and Computing, Allerton 2011; Monticello, IL; United States
Available from: 2011-08-23 Created: 2011-08-23 Last updated: 2016-08-31

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Ngo, Quoc HienLarsson, Erik G.

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • Other locale
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Output format
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