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http://dx.doi.org/10.6109/jkiice.2015.19.11.2518

A design and manufacture of CPW-Fed UWB antenna with notched WLAN band by using a U shaped slot  

Ha, Yun-Sang (Department of Electronic Engineering, Silla University)
Kim, Gi-Rae (Department of Electronic Engineering, Silla University)
Yun, Joong-Han (Department of Electronic Engineering, Silla University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.19, no.11, 2015 , pp. 2518-2525 More about this Journal
Abstract
In this paper, we propose a UWB(Ultra Wide Band) antenna with CPW(Coplanar Waveguide) structure notched the 802.11a(5.15 ~ 5.825 GHz) band by using the U shaped slot. 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 ~ 5.825 GHz). The antenna is designed on an FR-4 substrate of which the dielectric constant is 4.4, and its overall size is $30mm(W){\times}20mm(L){\times}1mm(t)$. Fabricated antenna satisfied $VSWR{\leq}2$ in 3.1 ~ 10.6 GHz except for the band rejection of 5.15 ~ 5.825 GHz. And measured results of gain and radiation patterns characteristics displayed determined for operating bands.
Keywords
UWB(Ultra-Wide Band); Slot; Notched WLAN band; CPW-fed;
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