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Low-profile wideband patch antenna with pattern diversity using custom-designed feeding schemes
Tang, Si Yuan1; Liu, Neng Wu1; Chen, Jin1; Wang, Xi Yu1; Fu, Guang1; Zhu, Lei2
2021-12-01
Source PublicationInternational Journal of RF and Microwave Computer-Aided Engineering
ISSN1096-4290
Volume31Issue:12
Abstract

A low-profile wideband patch antenna with pattern diversity is proposed in this paper. In our design, custom-designed feeding schemes are utilized to substitute for conventional power dividers beneath the ground plane, thus selectively generating the broadside or conical beam and introducing additional resonant modes. Then, by placing two novel feeding schemes orthogonally to realize pattern diversity, a new resonant mode is successfully excited, which fully makes use of the configuration of the two-port antenna. Moreover, for reallocating radiating modes, an array of four shorting pins is introduced to push up the resonant frequency of each first desired resonant mode, which enhances the overlapped impedance bandwidth. Finally, the proposed antenna is designed, fabricated, and measured. The measured results show that the antenna achieves a broad overlapped impedance bandwidth of around 28.5% ranging from 2.11 to 2.81 GHz. Meanwhile, the peak-measured gain is 7.0 dBi for the conical beam and 9.9 dBi for the broadside beam, while an isolation of 23 dB is also realized. Most importantly, novel feeding schemes still maintain the low-profile property of around 0.066 λ (λ is the free-space wavelength at 2.46 GHz).

KeywordCustom-designed Feeding Schemes Low-profile Patch Antenna Pattern Diversity Wideband
DOI10.1002/mmce.22893
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Interdisciplinary Applications ; Engineering, Electrical & Electronic
WOS IDWOS:000695917300001
Scopus ID2-s2.0-85114858306
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLiu, Neng Wu
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
Recommended Citation
GB/T 7714
Tang, Si Yuan,Liu, Neng Wu,Chen, Jin,et al. Low-profile wideband patch antenna with pattern diversity using custom-designed feeding schemes[J]. International Journal of RF and Microwave Computer-Aided Engineering,2021,31(12).
APA Tang, Si Yuan,Liu, Neng Wu,Chen, Jin,Wang, Xi Yu,Fu, Guang,&Zhu, Lei.(2021).Low-profile wideband patch antenna with pattern diversity using custom-designed feeding schemes.International Journal of RF and Microwave Computer-Aided Engineering,31(12).
MLA Tang, Si Yuan,et al."Low-profile wideband patch antenna with pattern diversity using custom-designed feeding schemes".International Journal of RF and Microwave Computer-Aided Engineering 31.12(2021).
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