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http://dx.doi.org/10.5515/KJKIEES.2011.22.3.275

Planar Monopole Antenna with Modified Ground Plane for UWB Communications  

Kim, Hyun-Chul (Department of Electronics and Computer Engineering, Chonnam National University)
Jung, Jin-Woo (Department of Electronics and Computer Engineering, Chonnam National University)
Lee, Hyeon-Jin (Department of Electronics and Information, DongKang College)
Lim, Yeong-Seog (Department of Electronics and Computer Engineering, Chonnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.22, no.3, 2011 , pp. 275-281 More about this Journal
Abstract
In this paper, we proposed the small planar monopole antenna with modified ground plane for UWB communications. The proposed antenna not only shows Ultra-Wideband characteristic(3.1~10.6 GHz) suitable for UWB communications but has partially notched-band characteristic to reject 5 GHz WLAN band(5.15~5.35 GHz, 5.470~5.825 GHz). The proposed antenna improved impedance matching through two slits on ground plane, and the rejection band was induced by two ${\lambda}$/4 open stubs on center of two slits. Fabricated antenna satisfied VSWR${\leq}$2 in 2.88~10.83 GHz except for the band rejection of 5.08~5.83 GHz.
Keywords
UWB Antenna; Planar Monopole Antenna; Band Notched Characteristic; Modified Ground;
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