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A Single-Layer Single-Fed Shorted-Patch Antenna with Broadside Circular Polarization by Using Nondegenerate TM0,1/2 and TM1,1/2 Modes
Neng-Wu Liu1,2; Mei-Jiao Sun1; Lei Zhu2; Zhong-Xun Liu2; Lin Yang1; Lu-Yang Ji3
2020-03-30
Source PublicationIEEE Antennas and Wireless Propagation Letters
ISSN1536-1225
Volume19Issue:6Pages:939-943
Abstract

A novel design concept to excite and produce the broadside circularly polarized (CP) radiation is presented in a shorted-patch antenna (SPA). First, the far-zone radiated fields of the SPA under radiation of TM and TM modes are theoretically studied. It demonstrates that the broadside |E| component of its TM mode is generated in yoz plane. In contrast, the orthogonal |E| component of its TM mode is produced in this plane. Then, the resonant frequency of the TM mode is gradually pushed up to around that of TM mode, aiming to generate the normal CP radiation between these dual modes. After that, a linear slot is etched out on the core radiator so as to counteract the equivalent inductance caused by the loaded pins and feeding probe. Finally, the proposed antenna is fabricated and tested. The measured results reveal that it's operating bandwidth (|S|<-10 dB and AR<3 dB) is kept at about 1.2% or at a range of 2.720-2.752 GHz. Most importantly, the CP radiation (AR<3 dB) of the antenna at the broadside direction is indeed resonated at around 2.738 GHz, while keeping the reduced length, single-layer, and single-fed properties.

KeywordCircular Polarization Radiative Mode Shorted-patch Antenna (Spa) Single-layer Single-fed
DOI10.1109/LAWP.2020.2983828
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000542949000011
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
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Citation statistics
Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLin Yang
Affiliation1.National Key Laboratory of Antennas and Microwave Technology,Xidian University,Xi'an,China
2.Department of Electrical and Computer Engineering,Faculty of Science and Technology,University of Macau,Macao
3.Department of Electronics and Information,Northwestern Polytechnical University,Xi'an,China
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Neng-Wu Liu,Mei-Jiao Sun,Lei Zhu,et al. A Single-Layer Single-Fed Shorted-Patch Antenna with Broadside Circular Polarization by Using Nondegenerate TM0,1/2 and TM1,1/2 Modes[J]. IEEE Antennas and Wireless Propagation Letters,2020,19(6):939-943.
APA Neng-Wu Liu,Mei-Jiao Sun,Lei Zhu,Zhong-Xun Liu,Lin Yang,&Lu-Yang Ji.(2020).A Single-Layer Single-Fed Shorted-Patch Antenna with Broadside Circular Polarization by Using Nondegenerate TM0,1/2 and TM1,1/2 Modes.IEEE Antennas and Wireless Propagation Letters,19(6),939-943.
MLA Neng-Wu Liu,et al."A Single-Layer Single-Fed Shorted-Patch Antenna with Broadside Circular Polarization by Using Nondegenerate TM0,1/2 and TM1,1/2 Modes".IEEE Antennas and Wireless Propagation Letters 19.6(2020):939-943.
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