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A Planar Bidirectional Circularly Polarized Antenna Using Orthogonal Magnetic Dipoles Without Extra Phase Shift Line
Zhang, Wen Hai1; Xue, Quan1; Yang, Wanchen1; Che, Wenquan1; Liao, Shaowei1; Chen, Haidong1; Feng, Wenjie2; Tam, Kam Weng3
2022
Source PublicationIEEE Transactions on Antennas and Propagation
ISSN0018-926X
Abstract

A planar bidirectional circularly polarized (CP) antenna using orthogonal magnetic dipoles (OMDs) without extra phase shift line is proposed in this work. It consists of a rectangular microstrip magnetic dipole antenna (MMDA) and a loop radiator with two arms directly connected to the open edge of MMDA. The working principle is revealed by the equivalent sources model to provide a clear physical insight at first. The theoretical investigations imply that, by controlling the width and the feed locations of the loop antenna on the aperture, the phase and magnitude for CP radiation can be realized in both endfire and backfire directions without introducing additional phase shift line structure. For demonstration, one antenna prototype is designed and fabricated. The experimental results indicate that an overlapping bandwidth of 5.91from 2.30 GHz to 2.44 GHz is attained. Compared with the counterpart using OMDs, the proposed antenna exhibits a low design complexity and improved gains of 3.56 dBic/1.83 dBic in the endfire/backfire directions.

KeywordAntenna Radiation Patterns Antennas Bandwidth Circular Polarization Dipole Antennas Directive Antennas Endfire Radiation Microstrip Antennas Orthogonal Magnetic Dipoles Planar Antenna Reflector Antennas
DOI10.1109/TAP.2022.3161573
URLView the original
Indexed BySCIE ; EI
Language英語English
Scopus ID2-s2.0-85127477436
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Document TypeJournal article
CollectionFaculty of Science and Technology
Affiliation1.Guangdong Provincial Key Laboratory of Millimeter-Wave and Terahertz, School of Electronic and Information Engineering, South China University of Technology, 510641 Guangzhou, China, and Pazhou Lab, Guangzhou 510330, China.
2.Department of Communication Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
3.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macao, China.
Recommended Citation
GB/T 7714
Zhang, Wen Hai,Xue, Quan,Yang, Wanchen,et al. A Planar Bidirectional Circularly Polarized Antenna Using Orthogonal Magnetic Dipoles Without Extra Phase Shift Line[J]. IEEE Transactions on Antennas and Propagation,2022.
APA Zhang, Wen Hai,Xue, Quan,Yang, Wanchen,Che, Wenquan,Liao, Shaowei,Chen, Haidong,Feng, Wenjie,&Tam, Kam Weng.(2022).A Planar Bidirectional Circularly Polarized Antenna Using Orthogonal Magnetic Dipoles Without Extra Phase Shift Line.IEEE Transactions on Antennas and Propagation.
MLA Zhang, Wen Hai,et al."A Planar Bidirectional Circularly Polarized Antenna Using Orthogonal Magnetic Dipoles Without Extra Phase Shift Line".IEEE Transactions on Antennas and Propagation (2022).
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