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Progress In Electromagnetics Research C
ISSN: 1937-8718
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A NOVEL WIDEBAND MULTILAYERED MICROSTRIP ANTENNA WITH SHORTING PINS AND ARC-SHAPED APERTURES LOADED

By Y.-J. Zhang, S.-X. Gong, X. Li, F.-T. Zha, and Y. Guan

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Abstract:
A novel wideband multilayered microstrip antennas with shorting pins and arc-shaped apertures loaded is designed and fabricated. The antenna consists of two dielectric substrates and a quasi H-shaped circular patch with five shorting pins and four arc-shaped apertures loaded on the upper layer. Multiple layers are employed to achieve wide bandwidth by stacked electromagnetic coupling. The arc-shaped apertures and shorting pins are used to excite multiple modes, which can change the cavity's electromagnetism characteristic with influencing the series-parallel connection inductance, so that the wide bandwidth is obtained. Effects of the key parameters on the wideband performance are also studied, and a set of optimum values is chosen for the antenna design. The impedance bandwidth (VSWR < 2.0) of the proposed antenna reaches 2.59 GHz with the measured results, which means the relative impedance bandwidth is expanded up to 34.7% across 6.17 to 8.76 GHz. Simulation results agree well with measured ones.

Citation:
Y.-J. Zhang, S.-X. Gong, X. Li, F.-T. Zha, and Y. Guan, "A Novel Wideband Multilayered Microstrip Antenna with Shorting Pins and Arc-Shaped Apertures Loaded," Progress In Electromagnetics Research C, Vol. 10, 101-109, 2009.
doi:10.2528/PIERC09062304

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