Printed monopole UWB antenna with dual band-notched characteristics

A simple and compact microstrip-fed ultra wideband (UWB) printed monopole antenna with dual band-notched characteristics is proposed in this paper. The antenna consists of an elliptical radiation element on the front side of the substrate and a modified rectangular ground plane on the other side. By etching two C-shaped slots in the elliptical radiation element, the dual band-notched characteristics at 3.9 GHz and 5.5 GHz are achieved, respectively. Good results including the radiation pattern and antenna gain are obtained in this paper. This antenna is a promising candidate for UWB applications.