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On Small Antennas with Circular Polarization, Bandwidth Estimates and Design Considerations
KTH, School of Electrical Engineering and Computer Science (EECS).ORCID iD: 0000-0001-7269-5241
Univ Cote dAzur, CNRS, LEAT, UM7248, Sophia Antipolis, France..
2023 (English)In: 17th European Conference on Antennas and Propagation, EUCAP, Institute of Electrical and Electronics Engineers (IEEE), 2023Conference paper, Published paper (Refereed)
Abstract [en]

Circular polarization is an essential feature for small antennas designed to connect with satellite navigation systems. Here, a Q-factor optimization problem constrained with a circular polarization radiation requirement is formulated and solved. The constrained problem is shown to be solvable as fast as calculating the Q-factor bound without the constraint. Two antenna models are designed to assess the bounds. One aims for bandwidth, and the other for circular polarisation. The well-known relation between the Q-factor and the available bandwidth is used to evaluate the designs. The circularly polarised antenna is close to the bound and has a wide field of view. The Q-factor bound provides insight into desirable antenna positions on the small device.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2023.
Series
Proceedings of the European Conference on Antennas and Propagation, ISSN 2164-3342
Keywords [en]
Circular Polarization, Q-factor bounds, antenna, GNSS
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-335876DOI: 10.23919/EuCAP57121.2023.10133768ISI: 001023316903142Scopus ID: 2-s2.0-85162258109OAI: oai:DiVA.org:kth-335876DiVA, id: diva2:1795752
Conference
17th European Conference on Antennas and Propagation (EuCAP), Mars 26-31, 2023, Florence, Italy
Note

Part of ISBN 978-88-31299-07-7

QC 20230911

Available from: 2023-09-11 Created: 2023-09-11 Last updated: 2023-11-06Bibliographically approved

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Jonsson, B. Lars G.

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CiteExportLink to record
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Cite
Citation style
  • apa
  • 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
  • rtf