Volume 10, Number 4 (Dec 2014 2014)                   IJEEE 2014, 10(4): 267-275 | Back to browse issues page


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Zakeri B, Bernety H. A Novel Compact Ultra-Wideband Antenna with Single and Double Band Rejection. IJEEE. 2014; 10 (4) :267-275
URL: http://ijeee.iust.ac.ir/article-1-583-en.html

Abstract:   (1393 Views)
Band-notch characteristic has been of great interest recently to overcome the electromagnetic interference of Ultra-wideband systems (UWB) with other existing ones. In this paper, we present a novel microstrip-fed antenna with band rejection property appropriate for UWB applications. Band-notch characteristic has been achieved by adding a rectangular resonant element to the ground section. A prototype was fabricated and measured based upon optimal parameters. Experimental results show consistency with simulation results. Measurement results confirm that the antenna covers the UWB band and satisfies a band rejection in the frequency span of 5 GHz to 5.7 GHz to restrain it from interference with Wireless Local Area Network (WLAN). Then, to achieve better isolation, a rectangular strip is appended to the band-notch creating part of the ground section to enhance obtained VSWR up to 30 through simulation. In addition, by applying a similar technique, a dual band-notched characteristic with an average simulated VSWR of around 13.75 has been achieved for WLAN and the downlink of X band satellite communication systems with each more than 10. Features such as small size, omnidirectional pattern and perfect isolation make the antenna suitable for any UWB applications.
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Type of Study: Research Paper | Subject: Antenna
Received: 2013/05/20 | Accepted: 2014/12/24 | Published: 2014/12/24

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