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A compact ultra wideband antenna with triple band-notch characteristics

Published online by Cambridge University Press:  18 March 2015

Meenakshi Devi ,
Anil Kumar Gautam  and
Binod Kumar Kanaujia
Meenakshi Devi
Affiliation:
Department of Electronics & Communication Engineering, G. B. Pant Engineering College, Pauri Garhwal, Uttarakhand 246 194, India. Phone: +91 8979 719 397
Anil Kumar Gautam*
Affiliation:
Department of Electronics & Communication Engineering, G. B. Pant Engineering College, Pauri Garhwal, Uttarakhand 246 194, India. Phone: +91 8979 719 397
Binod Kumar Kanaujia
Affiliation:
Department of Electronics & Communication Engineering, Ambedkar Institute of Advanced Communication Technologies & Research, Geeta Colony, Delhi 110031, India
*
Corresponding author: A.K. Gautam Email: drakgautam@ieee.org
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Abstract

A novel design of a compact ultra wideband antenna with triple band-notched characteristics is proposed. Much wider impedance bandwidth (from 2.63 to 13.02 GHz) is obtained by using a star like-shaped radiator and a defected rectangular ground plane and band-notched functions are obtained by attaching L- and I-shaped structure on the ground and a capacitive-loaded loop (CLL) resonator on the patch. The triple band-notch rejection at WiMAX, WLAN, and ITU bands are obtained by attaching I-shape strip, CLL resonator, and flip L-shape, respectively. The parametric study is carried out to study the influence of varying dimensions on the antenna performance. To validate simulation results of the design a prototype is fabricated on the commercially available FR4 material. The measured results reveal that the presented triple band-notch antenna offers a very wide bandwidth of 10.41 GHz (2.63–13.04 GHz) with triple band-notched characteristics at WiMAX (2.94–3.7 GHz), WLAN (5.1–5.9 GHz), and ITU (7.4–8.7 GHz).

Keywords

UWB microstrip antennaTriple band-notchedWLAN/WiMAX
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 8 , Issue 7 , November 2016 , pp. 1069 - 1075
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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