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Calculating signal correlation in lossy dipole arrays using scattering parameters and efficiencies
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-3401-1125
2013 (English)In: 2013 7th European Conference on Antennas and Propagation, EuCAP 2013, EurAAP , 2013, 519-523 p.Conference paper, Published paper (Refereed)
Abstract [en]

Correlation coefficient, as a critical performance metric of multiple antenna systems, can be calculated from the 3D radiation patterns of the antennas for multipath environments with uniform 3D angular power spectrum. A simpler, faster and lower cost approach uses the antennas' scattering parameters to determine correlation coefficient. However, the method assumes lossless antennas, and hence only achieves good accuracy for antennas with high radiation efficiencies. In this work, a method for calculating correlation coefficients in lossy dipole arrays is proposed, using only the scattering parameters and radiation efficiencies. The method is based on the equivalent circuit of antennas, and it gives a significantly better estimate of the correlation coefficient than the existing methods. The proposed method is also applied to two folded monopole antennas in a compact terminal to demonstrate its effectiveness.

Place, publisher, year, edition, pages
EurAAP , 2013. 519-523 p.
Keyword [en]
antenna array, antenna measurements, correlation coefficient, MIMO systems, mutual coupling
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-133884Scopus ID: 2-s2.0-84881268785ISBN: 978-889070183-2 (print)OAI: oai:DiVA.org:kth-133884DiVA: diva2:663835
Conference
7th European Conference on Antennas and Propagation, EuCAP 2013; Gothenburg; Sweden; 8 April 2013 through 12 April 2013
Note

QC 20131113

Available from: 2013-11-13 Created: 2013-11-11 Last updated: 2013-11-19Bibliographically approved

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He, Sailing

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CiteExportLink to record
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  • apa
  • harvard1
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  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
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  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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