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Analysis and Measurement of Key Performance Indicators for MIMO Antennas
Abracon, Umeå, Sweden; Umeå University, Department of Physics, Umeå, Sweden.
Abracon, Umeå, Sweden.
Abracon, Umeå, Sweden.
KTH, School of Electrical Engineering and Computer Science (EECS), Computer Science, Communication Systems, CoS.ORCID iD: 0000-0002-3015-4495
2024 (English)In: 18th European Conference on Antennas and Propagation, EuCAP 2024, Institute of Electrical and Electronics Engineers (IEEE) , 2024Conference paper, Published paper (Refereed)
Abstract [en]

Predicting the performance of antenna arrays designed for MIMO communications is difficult. To determine the benefits that additional antenna elements may provide to a wireless system, the statistical correlation between the signals received from the antennas needs to be evaluated. In 2003 Blanch, proposed a simple method to estimate the correlation coefficient from S-parameters and in 2005 Hallbjorner proposed a modified version including the effect of antenna efficiency. We investigate the validity of these methods. Three different antenna arrays, with four elements each, and with varying efficiency and mutual coupling were designed, manufactured and measured. The method proposed by Blanch was found to be inaccurate whereas the Hallbjorner method produced better results but required determination of antenna efficiencies. S-parameter measurements alone do not provide valid estimates of the MIMO performance of antenna arrays. In order to evaluate MIMO performance, the antenna efficiency is paramount and needs to be measured accurately.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2024.
Keywords [en]
antennas, correlation, diversity reception, electromagnetics, measurements, MIMO, scattering parameters
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-346527DOI: 10.23919/EuCAP60739.2024.10501614Scopus ID: 2-s2.0-85192450201OAI: oai:DiVA.org:kth-346527DiVA, id: diva2:1858443
Conference
18th European Conference on Antennas and Propagation, EuCAP 2024, Glasgow, United Kingdom of Great Britain and Northern Ireland, Mar 17 2024 - Mar 22 2024
Note

QC 20240521

Part of ISBN 978-88-31299-09-1

Available from: 2024-05-16 Created: 2024-05-16 Last updated: 2024-05-21Bibliographically approved

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Beckman, Claes

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
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  • Other style
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Language
  • de-DE
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  • en-US
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Output format
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