Sidelobe-Reduced and Gain-Enhanced Square Patch Antennas With Adjustable Beamwidth Under TM03 Mode Operation
Zhang, Xiao1,2; Zhu, Lei2; Wu, Qiong-Sen2
2018-04
Source PublicationIEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
ISSN0018-926X
Volume66Issue:4Pages:1704-1713
Abstract

A square patch antenna operating under TM03 mode is proposed in this paper to realize gain enhancement, sidelobe reduction, and adjustable beamwidth by reshaping the surface current distribution on the patch resonator. On the one hand, by introducing transverse slots along the central line of patch, the medial part of out-of-phase longitudinal current is interrupted to circulate with little radiation. In this way, the patch serves as a full-wave dipole rather than a 3 lambda/2 one, and thus, the sidelobe level (SLL) in the E-plane is substantially reduced. On the other hand, the slots are installed in proximity to the nonradiative edges and at the patch center, respectively, to arouse distinctive effect on the current densities across the width of patch. Consequently, the beamwidth in the H-plane can be freely adjusted by different configurations of these slots. At last, a square patch antenna with three cascaded slots loaded along the central line is designed, fabricated, and tested. The simulated and measured results show that the directivity of a single proposed patch antenna can achieve as high as 13.3 dB with the SLL reduced to about -20 dB.

KeywordAdjustable Beamwidth Gain Enhancement Patch Antenna Sidelobe Reduction Tm03 Mode
DOI10.1109/TAP.2018.2806220
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000429216800008
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
The Source to ArticleWOS
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Cited Times [WOS]:16   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorZhu, Lei
Affiliation1.ATR National Key Laboratory of Defense Technology, College of Information Engineering, Shenzhen University, Shenzhen 518060, China
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Zhang, Xiao,Zhu, Lei,Wu, Qiong-Sen. Sidelobe-Reduced and Gain-Enhanced Square Patch Antennas With Adjustable Beamwidth Under TM03 Mode Operation[J]. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION,2018,66(4):1704-1713.
APA Zhang, Xiao,Zhu, Lei,&Wu, Qiong-Sen.(2018).Sidelobe-Reduced and Gain-Enhanced Square Patch Antennas With Adjustable Beamwidth Under TM03 Mode Operation.IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION,66(4),1704-1713.
MLA Zhang, Xiao,et al."Sidelobe-Reduced and Gain-Enhanced Square Patch Antennas With Adjustable Beamwidth Under TM03 Mode Operation".IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 66.4(2018):1704-1713.
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