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COMPACT RECONFIGURABLE UWB ANTENNA INTEGRATED WITH STEPPED IMPEDANCE STUB LOADED RESONATORS AND SWITCHES

By Y. Li, W. Li, and Q. Ye

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Abstract:
A compact reconfigurable antenna integrated with stepped impedance stub (SIS) loaded stepped impedance resonator (SIR) and SIS loaded hexagon stepped impedance resonator (HSIR) for ultra wideband (UWB) applications is proposed in this paper. The reconfigurable UWB antenna can work as a UWB antenna and a dual notch band UWB antenna by controlling the switches ON and OFF. The proposed two notch bands are obtained by embedding a SIS-HSIR on hexagon radiation patch and a SIS-SIR on coplanar waveguide (CPW) excitation line. The reconfigurable characteristic is achieved by means of two ideal switches. The proposed reconfigurable antenna has been designed, fabricated and measured. The experimental results show that the proposed reconfigurable antenna has a multi-mode function and good omni-directional characteristics.

Citation:
Y. Li, W. Li, and Q. Ye, "Compact Reconfigurable UWB Antenna Integrated with Stepped Impedance Stub Loaded Resonators and Switches," Progress In Electromagnetics Research C, Vol. 27, 239-252, 2012.
doi:10.2528/PIERC12012601

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