Design of Compact CPW-Fed Planar Antenna with Dual Notched Bands Using Slotted Conductor-Backed Plane for UWB Application
Keywords:
Coplanar Waveguide (CPW) antennas, frequency band-notched function, Ultra Wideband (UWB) antennaAbstract
A compact design of a Coplanar Waveguide Fed (CPW-Fed) monopole antenna with Ultra Wideband (UWB) performance and dual band-notched characteristics is proposed. Dual band-notched characteristics are achieved by U-shaped slot inside the slotted conductor-backed plane and a pair of mirror rectangular-shaped slots at the two sides of the truncated conductor-backed plane. Also, wider impedance bandwidth can be achieved with this structure. The proposed antenna has a small size of 18×18 mm2 and measured to cover the bandwidth for UWB (2.7-14.5 GHz) for VSWR < 2, except the bandwidths of 3.1-3.6 for WiMAX and 5-6 GHz for WLAN. The antenna has an omnidirectional radiation across the whole ultra wideband as validated by the measured radiation pattern and gain.
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References
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