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A Compact Microstrip-Fed Patch Antenna with Enhanced Bandwidth and Harmonic Suppression
Zhang J.-D.2; Zhu L.1; Wu Q.-S.1; Liu N.-W.1; Wu W.2
2016-12-01
Source PublicationIEEE Transactions on Antennas and Propagation
ISSN0018926X
Volume64Issue:12Pages:5030-5037
Abstract

A single-layer microstrip-fed patch antenna with capabilities of both bandwidth enhancement and harmonic suppression is proposed. For this purpose, a pair of λ\lambda λ /4 microstrip-line resonators is introduced and coupled in proximity to a rectangular patch. The wideband property can be obtained by making effective use of the two resonances introduced by the radiating patch and nonradiating λ\lambda λ /4 resonators. Different from other reported dual-resonance patch antennas, the proposed antenna does not require the electrically thick substrate, so it has attractive low-profile property. Thanks to the good features of λ\lambda λ /4 resonators and capacitive feeding scheme, harmonic radiating modes of the patch antenna can be significantly suppressed as highly demanded in modern highly integrated communication systems. The working principle, equivalent circuit, and design procedure are extensively described. Finally, a prototype antenna operating at 4.9 GHz is designed and fabricated. The measured results show that its bandwidth is 2.7 times wider than that of the traditional insert-fed patch counterpart, and the harmful spurious radiation from other higher order radiating modes has been effectively suppressed.

KeywordBandwidth Enhancement Coupled Feed Harmonic Suppression Patch Antenna Quarter-wave Resonator
DOI10.1109/TAP.2016.2618539
URLView the original
Indexed BySCI
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000393787900006
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Cited Times [WOS]:28   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Universidade de Macau
2.Nanjing University of Science and Technology
Recommended Citation
GB/T 7714
Zhang J.-D.,Zhu L.,Wu Q.-S.,et al. A Compact Microstrip-Fed Patch Antenna with Enhanced Bandwidth and Harmonic Suppression[J]. IEEE Transactions on Antennas and Propagation,2016,64(12):5030-5037.
APA Zhang J.-D.,Zhu L.,Wu Q.-S.,Liu N.-W.,&Wu W..(2016).A Compact Microstrip-Fed Patch Antenna with Enhanced Bandwidth and Harmonic Suppression.IEEE Transactions on Antennas and Propagation,64(12),5030-5037.
MLA Zhang J.-D.,et al."A Compact Microstrip-Fed Patch Antenna with Enhanced Bandwidth and Harmonic Suppression".IEEE Transactions on Antennas and Propagation 64.12(2016):5030-5037.
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