Vol. 23

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2011-05-06

A Miniature UWB Semi-Circle Monopole Printed Antenna

By Shu Lin, Run-Nan Cai, Guan-Long Huang, and Jin-Xiang Wang
Progress In Electromagnetics Research Letters, Vol. 23, 157-163, 2011
doi:10.2528/PIERL11032305

Abstract

A semi-circle monopole printed antenna is proposed. Its radiation unit and the ground plane are in the same shape, and both of them are coplanar-printed. The antenna is fed by a microstrip line, which is connected to the radiation unit through a via-hole. The measured impedance bandwidth is about 3.1GHz-15.1GHz with VSWR<2, and the ratio bandwidth can reach 4.9:1. The omnidirectional characteristic is also excellent in H-plane. Moreover, because of the introduction of the semi-circle radiation unit and the ground plane, the length of the radiation unit can be miniaturized in polarization direction, which is only 14% of wavelength of the lowest operating frequency. The antenna size is just 29 mm×29.5 mm×1.0 mm, which can make it well integrate into UWB communication systems.

Citation


Shu Lin, Run-Nan Cai, Guan-Long Huang, and Jin-Xiang Wang, "A Miniature UWB Semi-Circle Monopole Printed Antenna," Progress In Electromagnetics Research Letters, Vol. 23, 157-163, 2011.
doi:10.2528/PIERL11032305
http://jpier.org/PIERL/pier.php?paper=11032305

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