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A Low-Profile Wideband Dual-Polarized Microstrip Patch Antenna under Multi-Resonant Modes
Yu-Dong Liang1; Neng-Wu Liu1; Guang Fu1; Lei Zhu2
2020-08-04
Conference Name2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)
Source Publication2020 IEEE Asia-Pacific Conference on Antennas and Propagation, APCAP 2020 - Proceedings
Conference Date4-7 Aug. 2020
Conference PlaceXiamen, China
PublisherIEEE
Abstract

A low-profile wideband differential-fed dual-polarized microstrip patch antenna (MPA) based on three resonant modes is proposed. First, a differential feeding scheme is selected to suppress unnecessary modes and effectively reduce the cross-polarization level of the antenna. Next, a cross slot is etched out on the radiating patch and an array of shorting pins are loaded underneath the patch. Their main target is to resonate the antenna in two resonant modes. After that, an additional resonant mode is excited by using two pairs of L-shaped probes. With these arrangements, two resonant modes of the MPA and a resonant mode of the L-shaped probes are moved closely to each other, thus effectively extending its impedance bandwidth to about 22.6%. Meanwhile, it still keeps a low-profile property of about 0.029?0 (?0 is the free space wavelength). Additionally, the isolation between these differential-fed reaches to about 60 dB.

KeywordL-shaped Probe Low Profile Wideband Microstrip Patch Antenna Differential-fed Resonant Mode
DOI10.1109/APCAP50217.2020.9246009
URLView the original
Language英語English
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Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.School of Electronic Engineering Xidian University Xi'an China
2.Faculty of Science and Technology University of Macau Macau China
Recommended Citation
GB/T 7714
Yu-Dong Liang,Neng-Wu Liu,Guang Fu,et al. A Low-Profile Wideband Dual-Polarized Microstrip Patch Antenna under Multi-Resonant Modes[C]:IEEE,2020.
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