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Journal of Engineering
Volume 2016, Article ID 2863508, 7 pages
Research Article

A Defected Structure Shaped CPW-Fed Wideband Microstrip Antenna for Wireless Applications

1Electronics and Communication Engineering Department, SET, IFTM University, Moradabad 244001, India
2Electronics and Communication Engineering Department, MIT, Moradabad 244001, India

Received 28 November 2015; Revised 24 January 2016; Accepted 24 January 2016

Academic Editor: Karim Kabalan

Copyright © 2016 Puneet Khanna et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A coplanar waveguide- (CPW-) fed compact wideband defected structure shaped microstrip antenna is proposed for wireless applications. Defected structure is produced by cutting the shape antenna in the form of two-sided T shape. The proposed antenna consists of two-sided shape strip as compared to usual monopole patch antenna for minimizing the height of the antenna. The large space around the radiator is fully utilized as the ground is on the same plane as of radiator. Microstrip line feed is used to excite the proposed antenna placed on an FR4 substrate (dielectric constant ). The antenna is practically fabricated and simulated. Simulated results of the proposed antenna have been obtained by using Ansoft High-Frequency Structure Simulator (HFSS) software. These results are compared with measured results by using network analyzer. Measured result shows good agreement with the simulated results. It is observed that the proposed antenna shows a wideband from 2.96 GHz to 7.95 GHz with three bands at  GHz,  GHz, and  GHz.