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2011-10-14

A Circular Shaped Sierpinski Carpet Fractal UWB Monopole Antenna with Band Rejection Capability

By Rowdra Ghatak, Anirban Karmakar, and Dipak Poddar
Progress In Electromagnetics Research C, Vol. 24, 221-234, 2011
doi:10.2528/PIERC11082801

Abstract

A novel planar ultra wideband (UWB) antenna using a second iteration Sierpinski carpet fractal shape with circular boundary is presented in this paper. The antenna covers the frequency band from 3 GHz to 12 GHz (VSWR ≤ 2). The proposed antenna has a meander shaped slot that renders the capability to reject 5.15-5.825 GHz band assigned for IEEE802.11a and HIPERLAN/2. The gain is suppressed very well in the desired WLAN bands. The measured antenna peak gain varies from 1.85 dBi to 6 dBi within the band. The time domain characteristics show that the antenna is not dispersive. A fabricated prototype is developed with close agreement between simulated and measured resonance as well as radiation characteristics.

Citation


Rowdra Ghatak, Anirban Karmakar, and Dipak Poddar, "A Circular Shaped Sierpinski Carpet Fractal UWB Monopole Antenna with Band Rejection Capability," Progress In Electromagnetics Research C, Vol. 24, 221-234, 2011.
doi:10.2528/PIERC11082801
http://jpier.org/PIERC/pier.php?paper=11082801

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