Study of Ultra-wideband Antenna with Multi-notch Band Loaded with a Multimode Electric Ring Resonator and a Complementary Resonance Structure

The development of a multi-notch ultra-wideband (UWB) planar antenna based on a circular metallic patch fed by a coplanar waveguide (CPW) is of particular interest. The antenna has a wideband response with a steady radiation pattern and impedance bandwidth in

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