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Circuit-aware design of energy-efficient massive MIMO systems
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. SUPELEC, France.
2014 (English)In: ISCCSP 2014 - 2014 6th International Symposium on Communications, Control and Signal Processing, Proceedings, 2014, 101-104 p.Conference paper, Published paper (Refereed)
Abstract [en]

Densification is a key to greater throughput in cellular networks. The full potential of coordinated multipoint (CoMP) can be realized by massive multiple-input multiple-output (MIMO) systems, where each base station (BS) has very many antennas. However, the improved throughput comes at the price of more infrastructure; hardware cost and circuit power consumption scale linearly/affinely with the number of antennas. In this paper, we show that one can make the circuit power increase with only the square root of the number of antennas by circuit-aware system design. To this end, we derive achievable user rates for a system model with hardware imperfections and show how the level of imperfections can be gradually increased while maintaining high throughput. The connection between this scaling law and the circuit power consumption is established for different circuits at the BS.

Place, publisher, year, edition, pages
2014. 101-104 p.
Keyword [en]
Antennas, Hardware, MIMO systems, Cellular network, Circuit power consumption, Coordinated multi point (CoMP), Energy efficient, High throughput, Multiple-input-multiple-output systems, Power increase, System modeling, Signal processing
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-167046DOI: 10.1109/ISCCSP.2014.6877826ISI: 000346443500026Scopus ID: 2-s2.0-84906766428ISBN: 9781479928903 (print)OAI: oai:DiVA.org:kth-167046DiVA: diva2:813002
Conference
6th International Symposium on Communications, Control and Signal Processing, ISCCSP 2014, 21 May 2014 through 23 May 2014, Athens
Note

QC 20150521

Available from: 2015-05-21 Created: 2015-05-21 Last updated: 2016-12-05Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • 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
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