Abstract
This paper presents a compact design of UWB antenna with reconfigurable dual notch bands is proposed. The UWB antenna with a notch filter consists of a circular antenna and two-pairs of L-shaped resonators. To realize the notch characteristics in WLAN at 5.2 GHz and 5.8 GHz bands, a half wavelength of L-resonator is introduced in the radiating patch. A small T-shaped notch is etched in the partial ground plane to enhance the UWB bandwidth up to 7.513 GHz, which covers the frequency range from 3.048 - 10.561 GHz. An experimental proposed structure shows a good agreement with the simulated results. Furthermore, the proposed UWB antenna with notch filter has a compact size of $\mathbf{37.6, x, 28, mm}^{\mathbf{2}}$ . This proposed design can give an alternative solution for eliminating WLAN interferes in the UWB bands by designing the notch filter with a good tuning capability.
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