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Bandwidth enhancement of a differential-fed equilateral triangular patch antenna via loading of shorting posts
Jianpeng Wang1; Qianwen Li1; Lei Zhu2
2017
Source PublicationIEEE Transactions on Antennas and Propagation
ISSN0018-926X
Volume65Issue:1Pages:36-43
Abstract

A comprehensive study on the mechanism of bandwidth enhancement for an equilateral triangular microstrip patch antenna (MPA) under differential excitation is presented in this paper. Attributing to the way of differential excitation, the radiation directivity of TM mode in such a patch has been improved a lot, and field distributions for both TM and TM modes are found to be simultaneously excited for radiation. Next, two shorting posts are introduced to thisMPA so as to generate an additional mode, i.e., zero mode, which resonates in a frequency between TM and TM modes. With the proper arrangement of these three modes in proximity to each other, a wide bandwidth for radiation can be satisfactorily achieved. To demonstrate the validity of the proposed concept, a prototype antenna is finally designed and fabricated. As theoretically expected, the impedance bandwidth of the final designed patch antenna has been increased to 50.46% and the gain is around 6.5 dBi. Both simulated and measured results exhibit wide bandwidth and good performance of radiation.

KeywordDifferential-fed Shorting Posts Triangular Patch Antenna Wide Bandwidth
DOI10.1109/TAP.2016.2630660
URLView the original
Indexed BySCIE
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000393788700005
Scopus ID2-s2.0-85009179778
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Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Ministerial Key Laboratory of JGMT, Nanjing University of Science and Technology, Nanjing 210094, China
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau SAR, Chin
Recommended Citation
GB/T 7714
Jianpeng Wang,Qianwen Li,Lei Zhu. Bandwidth enhancement of a differential-fed equilateral triangular patch antenna via loading of shorting posts[J]. IEEE Transactions on Antennas and Propagation, 2017, 65(1), 36-43.
APA Jianpeng Wang., Qianwen Li., & Lei Zhu (2017). Bandwidth enhancement of a differential-fed equilateral triangular patch antenna via loading of shorting posts. IEEE Transactions on Antennas and Propagation, 65(1), 36-43.
MLA Jianpeng Wang,et al."Bandwidth enhancement of a differential-fed equilateral triangular patch antenna via loading of shorting posts".IEEE Transactions on Antennas and Propagation 65.1(2017):36-43.
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