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Inscribed gasket fractal circular monopole antenna for UWB application

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3 Author(s)
Karmakar, A. ; ECE Dept., Netaji Subhash Eng. Coll., Kolkata, India ; Ghatak, R. ; Poddar, D.R.

This article presents the new ultra-wideband fractal antenna with CPW-fed. The band-rejection operation achieved at the WLAN (5.15-5.85GHz) band by adding defected ground structure (DGS) or slit in the ground plane. Size reduction of the antenna is done by Sierpinski gasket fractal concept which offers 24% thinning and provides excellent bandwidth better than a equivalent circular monopole which is around 12GHz (span from 2.44 to 14.31 GHz) corresponding to 142% impedance bandwidth. The simulated radiation patterns of the antenna are nearly omnidirectional. The proposed antenna is useful for UWB communication.

Published in:

Antenna Week (IAW), 2011 Indian

Date of Conference:

18-22 Dec. 2011