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A novel integration method for multifunction antennas is presented. The proposed multifunction antennas sharing a common aperture consists of a coplanar waveguide (CPW) fed ultra-wideband (UWB) antenna and a UWB loop antenna. The CPW-fed UWB antenna covers 2.34–12.95 GHz and 18.9–25 GHz with VSWR < 2. The UWB loop antenna is integrated into the ground of the CPW-fed antenna with bandwidths ranging...
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