Miniaturized planar ultra-wideband slot antenna with an interference suppressing capability

摘要

A microstrip-fed ultra-wideband printed monopole antenna is presented in this article. The advantages of this miniaturized antenna are capability to eliminate the interference from wireless local area network (WLAN) frequency band and wide impedance bandwidth (IBW). To provide an ultra-wideband of 124.55% (3.05–13.12GHz) simply the aperture of ground plane is adjusted. Furthermore by embedding a pair of T-shaped stubs (PTSS) in the slot a band notched from 4.98 GHz to 5.96 GHz is realized. These functionalities are obtained while the total dimension of the antenna was 20 × 18 × 1.6 mm3. In this article analysis of antenna parameters like radiation characteristics, survey of surface currents and antenna gain will be presented.