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Super wideband printed monopole antenna for ultra wideband applications

Published online by Cambridge University Press:  28 May 2015

Sandeep Kumar Palaniswamy*
Affiliation:
Department of Electronics and Communication Engineering, College of Engineering, Guindy Campus, Anna University, Chennai 600 025, India. Phone: +919524464459
Malathi Kanagasabai
Affiliation:
Department of Electronics and Communication Engineering, College of Engineering, Guindy Campus, Anna University, Chennai 600 025, India. Phone: +919524464459
Shrivastav Arun Kumar
Affiliation:
Center for Electromagnetics, SAMEER, Taramani, Chennai, India
M. Gulam Nabi Alsath
Affiliation:
Department of Electronics and Communication Engineering, College of Engineering, Guindy Campus, Anna University, Chennai 600 025, India. Phone: +919524464459
Sangeetha Velan
Affiliation:
Department of Electronics and Communication Engineering, College of Engineering, Guindy Campus, Anna University, Chennai 600 025, India. Phone: +919524464459
Jayaram Kizhekke Pakkathillam
Affiliation:
Department of Electronics and Communication Engineering, College of Engineering, Guindy Campus, Anna University, Chennai 600 025, India. Phone: +919524464459
*
Corresponding author: S.K. Palaniswamy Email: vrpchs@gmail.com

Abstract

This paper presents the design, testing, and analysis of a clover structured monopole antenna for super wideband applications. The proposed antenna has a wide impedance bandwidth (−10 dB bandwidth) from 1.9 GHz to frequency over 30 GHz. The clover shaped antenna with a compact size of 50 mm × 45 mm is designed and fabricated on an FR4 substrate with a thickness of 1.6 mm. Parametric study has been performed by varying the parameters of the clover to obtain an optimum wide band characteristics. Furthermore, the prototype introduces a method of achieving super wide bandwidth by deploying fusion of elliptical patch geometries (clover shaped) with a semi elliptical ground plane, loaded with a V-cut at the ground. The proposed antenna has a 14 dB bandwidth from 5.9 to 13.1 GHz, which is suitable for ultra wideband (UWB) outdoor propagation. The prototype is experimentally validated for frequencies within and greater than UWB. Transfer function, impulse response, and group delay has been plotted in order to address the time domain characteristics of the proposed antenna with fidelity factor values. The possible applications cover wireless local area network, C-band, Ku-band, K-band operations, Worldwide Interoperability for Microwave Access, and Wireless USB.

Type
Research Papers
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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References

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