A Compact, Low Loss Ice Cream Cone Ultra Wideband Antenna

In this paper a novel Ultra Wideband (UWB) antenna is proposed. This printed planar monopole structure resembles a scoop of ice cream on a wafer cone, hence it is called as ice cream cone antenna. This antenna has a microstrip feed and is fabricated on Rogers RT Duroid 5880 substrate. The effect of varying the antenna feed angle as well as the ground plane dimensions has been studied. The measured results for antennas with different ground plane areas has been investigated. The best antenna performance was obtained from the antenna with board dimensions 34 mm times 17.65 mm, showing a VSWR between 1 to 2 for frequencies 3.1 GHz to 5.8 GHz and in the band of 6.5 GHz to 9 GHz. The Ice Cream Cone antenna is designed for UWB applications in the area of breast cancer imaging.