Volume 6 Number 5 (Oct. 2014)
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IJCEE 2014 Vol.6(5): 393-401 ISSN: 1793-8163
DOI: 10.17706/IJCEE.2014.V6.858

Planar Monopole Ultrawideband Antenna with Reduced Ground Plane Dependence

Mubarak Sani Ellis, Daniel Kotei, Zhiqin Zhao, Zaiping Nie, Qing Huo Liu
Abstract—A technique to reduce ground plane effect on a printed wideband antenna is presented. The antenna consists of a ground plane, and a wing-shaped monopole with an attached strip. The strip is attached to introduce a slight disturbance in the return loss of the antenna. Here, a slight peak in the form of a notch is introduced in the return loss at a specific frequency depending on the length of the attached strip. At this frequency, the antenna has reduced ground plane effect. The proposed antenna is etched on 11 × 15 mm2 FR4 substrate and covers an operating frequency from 5 – 15 GHz (VSWR < 2.5) with a stable gain and good radiation properties. Experimental results show good antenna performance.

Index Terms—Return loss, ultrawideband, wing-shaped monopole antenna, ground plane effect.

Mubarak Sani Ellis, Daniel Kotei, Zhiqin Zhao, Zaiping Nie are with University of Electronic Science and Technology, Chengdu 611731, China. Qing Huo Liu is with Duke University, Durham, NC 27708, USA.

Cite:Mubarak Sani Ellis, Daniel Kotei, Zhiqin Zhao, Zaiping Nie, Qing Huo Liu, "Planar Monopole Ultrawideband Antenna with Reduced Ground Plane Dependence," International Journal of Computer and Electrical Engineering vol. 6, no. 5, pp. 393-401, 2014.

General Information

ISSN: 1793-8163
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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