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A Low-Profile Wide-Bandwidth Planar Inverted-F Antenna Under Dual Resonances: Principle and Design Approach
Liu, Neng-Wu1,2; Zhu, Lei1; Choi, Wai-Wa1
2017-10
Source PublicationIEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
ISSN0018-926X
Volume65Issue:10Pages:5019-5025
Abstract

A low-profile planar inverted-F antenna (PIFA) under the operation of TM0,1/2 and TM2,1/2 modes in a single patch resonator for bandwidth enhancement is proposed. Initially, our study demonstrates that all of the even-order modes can effectively be suppressed by employing a rectangular PIFA instead of the conventional microstrip patch antenna. Then, a pair of shorting pins is appropriately loaded underneath the side-shorted radiating patch to investigate the variation of their odd-mode resonant frequencies. The results indicate that the resonant frequency of TM0,1/2 mode (f(0,1/2)) is dramatically increased up while almost maintaining that of TM2,1/2 mode (f(2,1/2)). After that, the width of the radiating patch is progressively enlarged in order to move the f(2,1/2) more closely to the f(0,1/2). By using this approach, the dual radiative resonant modes can be reallocated in proximity to each other. Additionally, a narrow slot is etched out on the radiating patch so as to counteract the equivalent inductance caused by the shorting pins and probe. As such, a wide-bandwidth with stable radiation pattern is achieved for the PIFA under the operation of these dual-resonant modes. After the extensive analysis is executed, the proposed antenna is fabricated and tested. Simulated and measured results are found in good agreement with each other, demonstrating that its impedance bandwidth is tremendously widened to about 15.3% with appearance of two in-band attenuation poles. In particular, a low-profile property with the height of 0.036 free-space wavelength is achieved.

KeywordBandwidth Enhancement Dual-resonant Modes Planar Inverted-f Antenna (Pifa) Shorting Pin
DOI10.1109/TAP.2017.2736578
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000414057000007
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
The Source to ArticleWOS
Fulltext Access
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Cited Times [WOS]:13   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorZhu, Lei
Affiliation1.Faculty of Science and Technology, Department of Electrical and Computer Engineering, University of Macau, Macau, China
2.Science and Technology on Antenna and Microwave Laboratory, Xidian University, Xi’an 710071, China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Liu, Neng-Wu,Zhu, Lei,Choi, Wai-Wa. A Low-Profile Wide-Bandwidth Planar Inverted-F Antenna Under Dual Resonances: Principle and Design Approach[J]. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION,2017,65(10):5019-5025.
APA Liu, Neng-Wu,Zhu, Lei,&Choi, Wai-Wa.(2017).A Low-Profile Wide-Bandwidth Planar Inverted-F Antenna Under Dual Resonances: Principle and Design Approach.IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION,65(10),5019-5025.
MLA Liu, Neng-Wu,et al."A Low-Profile Wide-Bandwidth Planar Inverted-F Antenna Under Dual Resonances: Principle and Design Approach".IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 65.10(2017):5019-5025.
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