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A novel coplanar waveguide (CPW)-fed compact ultrawideband (UWB) microstrip antenna is proposed for ultrawideband applications. By etching a mixed slots structure on the surface of the radiating patch, the area of it was greatly reduced and the impedance bandwidth was extended. The mixed slots include two semicircle and one rectangular slots. Similarly, through etching a pair of quarter-circle slots...
A novel printed compact triple-band antenna for WLAN/WiMAX applications is proposed in this paper. Due to the coupling between the 'comb' shape parasitic element and the multi-branch radiating element, three frequency bands which are suitable for WLAN/WiMAX are achieved. The simulated results show that by adding the parasitic element, the high frequency end cutoff frequency of the antenna is reduced...
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