Call For Paper Volume:4 Issue:10 Oct'2017 |

Effect of Defected Ground Structure on Radiation Pattern of Ultra-Wideband Antenna (UWB)

Publication Date : 10/07/2015



Author(s) :

Aditi N. Shukla , Rekha P. Labade.


Conference Name :
4th International Conference on Recent Trends in Engineering & Technology(ICRTET-2015) July 2-4,2015 Organized by SNJB's KBJ College of Engineering,Chandwad,Nashik,Maharashtra,India



Abstract :

This paper presents about comparison of octagon patch shape microstrip antenna with and without Defected Ground Structure (DGS) for improvement of the radiation pattern of ultra-wide band. It consist of rectangular-shaped slot in ground,which is presented to enhance the bandwidth of the microstrip patch antenna .The proposed antenna has improved radiation characteristic with defected ground structure. Finite Element Machine based High Frequency Structure Simulator (HFSS) software Version-11.0 is used to obtain the performance parameters of the proposed antenna. A comparison is also presented for the proposed antenna with the antenna structure without defect. The proposed antenna resonates at a frequency of 5.40 GHz with a bandwidth of 3458 MHz. A very good return loss of -18.50 dB is obtained with rectangular shaped Defected Ground Structure.


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