Design of Reconfigurable Ultrawide Band Antenna with Switchable Single/Dual/Triple Band Notch Functions
Keywords:
Band-notched, reconfigurable antenna, slots, switch, ultrawide band (UWB) antennaAbstract
A reconfigurable ultrawide band (UWB) antenna with switchable single, dual, and triple band notch functions is presented in this study. In the proposed structure, by etching slots on the radiating patch, the ground plane, and the feedline, triple band-notched characteristics at the WLAN, WiMAX and X-band frequencies are obtained. Then, by introducing switch modes on the slots, the antenna offers eight working modes and can realize an interconversion between one UWB mode, three single band-notched modes, three dual band-notched modes, and one triple band-notched mode. Simulated and measured results show that the proposed antenna can provide good band-notched functions on the stopbands and has nearly omnidirectional radiation patterns on the passbands.
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References
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