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Reduced-Size Crossed-Dipole Antenna
  • Kedze, Kam Eucharist ;
  • Wang, Heesu ;
  • Kim, Youngwook ;
  • Park, Ikmo
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Publication Year
2019-10-01
Journal
2019 International Symposium on Antennas and Propagation, ISAP 2019 - Proceedings
Publisher
Institute of Electrical and Electronics Engineers Inc.
Citation
2019 International Symposium on Antennas and Propagation, ISAP 2019 - Proceedings
Keyword
antenna miniaturizationbroadbandcircular polarizationcrossed dipole
Mesh Keyword
Antenna miniaturizationbroadbandCircularly polarizedCrossed dipolesCrossed-dipole antennaGround planesRadiation efficiencyReduced size
All Science Classification Codes (ASJC)
Computer Networks and CommunicationsElectrical and Electronic EngineeringInstrumentation
Abstract
This paper proposes a reduced-size crossed-dipole antenna that comprises two printed crossed-dipole arms, a ground plane, and a pair of vacant quarter printed rings to generate circularly polarized (CP) radiation. The reduced-size crossed dipole is similar to the conventional crossed dipole but differs in that half of the crossed dipole is rotated 90 degrees. By rotating half of the crossed dipole, the area covered by the conventional crossed dipole is reduced by half, resulting in a compact, small-size antenna that generates CP radiation with a performance nearly identical to that of conventional crossed dipoles in terms of axial ratio (AR) bandwidth and radiation patterns. This performance is discussed and confirmed computationally. The reduced-size crossed-dipole antenna with overall dimensions of 33 mm × 54.6 mm × 29 mm (0.269λo × 0.446λo×0.2368λo at 2.45 GHz) has a |S11| < -10 dB bandwidth of 2.2-2.86 GHz (26.08%), a 3-dB AR bandwidth of 2.3-2.6 GHz (12.21%), a broadside gain of 7.85-7.98 dBic, and a radiation efficiency of > 90%.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/36401
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85078979565&origin=inward
Journal URL
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=8954838
Type
Conference
Funding
This work was supportedinpartbyInstitutefor Information & Communications Technology Promotion (IITP) grant funded by the Korea government (MSIP) (No. 2017-0-00959, University ICT Basic Research Lab), in part by \u201cHuman Resources Program in Energy Technology\u201d of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea (No. 20164030201380).
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Park, Ikmo 박익모
Department of Electrical and Computer Engineering
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