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2014-07-30
A Planar Monopole UWB Antenna with Improved Lower End Bandwidth Using an L-Shaped Stub Extended on the Ground Plane
By
Progress In Electromagnetics Research C, Vol. 52, 109-114, 2014
Abstract
In this work, a planar monopole ultra-wideband (UWB) antenna with an L-shaped stub on the ground plane is proposed. The novel extended L-stub in conjunction with the UWB radiator achieves an ultra wideband impedance matching with a compact size. The proposed antenna is fabricated and measured showing an ultra wide operating frequency range from 2.3 to over 14 GHz (VSWR < 2) with a unidirectional gain from 3-6.5 dBi and efficiency from 70-85% within the UWB band from 3.1-10.6 GHz. The proposed antenna provides a new way to improve ultra wideband impedance matching other than the frequently used tapered microstrip feed line. It also provides a way to improve the lower frequency bandwidth of the antenna without increasing the antenna's physical size, which is the most common method to use.
Citation
Sani Mubarak Ellis Zhiqin Zhao Jiangniu Wu Kun Ma Zai-Ping Nie Qing Huo Liu , "A Planar Monopole UWB Antenna with Improved Lower End Bandwidth Using an L-Shaped Stub Extended on the Ground Plane," Progress In Electromagnetics Research C, Vol. 52, 109-114, 2014.
doi:10.2528/PIERC14052001
http://www.jpier.org/PIERC/pier.php?paper=14052001
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