Application of the Protruded Structures to Design an UWB Slot Antenna with Band-Notched Characteristic
Keywords:
Protruded strips, slot antenna, UWB SystemAbstract
A different method to design a novel ultra-wideband (UWB) slot antenna with bandnotch performance is presented. In order to increase the impedance bandwidth of the slot antenna, we use a rectangular slot with a pair of Lshaped strips protruded inside the rectangular slot in the ground plane that with this structure UWB frequency range can be achieved. Additionally, by using square-ring radiating stub with two -shaped strips protruded inside the square-ring stub, a frequency notch band performance has been obtained. The designed antenna has a small size of 20×20 mm2 while showing the radiation performance in the frequency band of 3.07 GHz to over 14.67 GHz with a band rejection performance in the frequency band of 5.05 GHz to 5.93 GHz. Simulated and experimental results obtained for this antenna show that it exhibits good radiation behavior within the UWB frequency range.
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