Abstract
In this paper, a compact octagonal shaped ultrawideband (UWB) antenna with C-shaped split ring resonators is presented. The square split ring resonator in the monopole helps to obtain frequency notch in WiMAX, whereas dual C-shaped split rings on either side of feed line give frequency rejection at WLAN band. The designed antenna has the compact size of 33 × 21 mm^2. The simulation results show that the antenna covers the ultra-wideband frequency spectrum from 3.28 to 9.48 GHz with one notch frequency band at WiMAX band and the other at WLAN band.
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