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Transmit Beamforming for Inter-Operator Spectrum Sharing: From Theory to Practice
Fraunhofer Heinrich Hertz Institute.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Ilmenau University of Technology.
Dresden University of Technology.
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2012 (English)In: Proceedings of the Ninth International Symposium on Wireless Communication Systems (ISWCS), IEEE , 2012, 291-295 p.Conference paper, Published paper (Other academic)
Abstract [en]

In this paper, four transmit beamforming (BF) techniques are selected and compared to realize inter-operator spectrum sharing, which is a promising solution for the spectrum shortage problem. The BF techniques include two game-theoretic (GT) algorithms, zero-forcing (ZF) and minimum mean square error (MMSE). After a brief description of the BF techniques in a multiple-input single-output (MISO) system, their computational complexity is analyzed. The effectiveness of these techniques in real radio frequency (RF) signal transmission is verified by implementation on a flexible hardware-in-the-loop (HIL) testbed. First, several important aspects regarding practical implementation are discussed. Afterwards, the HIL measurement results are shown, where considerable sum rate gain can be observed due to spectrum sharing. Finally, the appropriate BF technique can be chosen based on a tradeoff between complexity and performance.

Place, publisher, year, edition, pages
IEEE , 2012. 291-295 p.
National Category
Telecommunications Communication Systems
Identifiers
URN: urn:nbn:se:liu:diva-77846DOI: 10.1109/ISWCS.2012.6328376ISBN: 978-1-4673-0760-4 (print)ISBN: 978-1-4673-0761-1 (print)OAI: oai:DiVA.org:liu-77846DiVA: diva2:529665
Conference
The Ninth International Symposium on Wireless Communication Systems (ISWCS), Aug. 28-31, 2012, Paris, France
Funder
EU, FP7, Seventh Framework Programme, 248001
Available from: 2012-05-31 Created: 2012-05-31 Last updated: 2016-09-14

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Lindblom, JohannesKaripidis, EleftheriosLarsson, Erik G.

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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
  • 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