Novel Compact UWB Planar Monopole Antenna Using a Ribbon-Shaped Slot

Novel Compact UWB Planar Monopole Antenna Using a Ribbon-Shaped Slot

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Ultra-Wideband (UWB) is a wireless communication technology that can be utilized for precise indoor positioning system.UWB is low power-consuming and resistant to complex multipath environments, thanks to a short pulse signal.Since the main desired characteristics of the UWB antennas for radio-frequency localization systems are wide bandwidth, omnidirectional radiation pattern, and low profile for simple integration with printed circuit boards, various planar monopole antennas for UWB applications were proposed Cleaner/Disinfectant to meet the requirements.In order to satisfy these conditions, in this paper, a novel compact UWB planar monopole antenna operating in 3.

1 GHz–10.8 GHz is designed on FR-4 substrate.The overall size of the antenna is $12.5 imes 12.

5 imes $ 1 Pedicure mm3, which is $0.129,,lambda _{0} imes 0.258,,lambda _{0} imes 0.01,,lambda _{0}$ in free space at the lowest frequency.

The transmission line is designed based on a coplanar waveguide with ground (CPWG) and vias in the CPWG are employed to eliminate non-radiating phenomenon at some specific frequencies.The shape of the radiator is modified from the hexagonal shape and a ribbon-shaped slot inside the radiator is adapted to improve the operating frequency range.The proposed UWB planar monopole antenna is fabricated and measured.The proposed antenna provides good antenna performance from 3.

1 to 10.8 GHz and also the radiation patterns at various frequencies are omnidirectional pattern.