Gardill, MarkusMarkusGardillWeigel, RobertRobertWeigelKölpin, AlexanderAlexanderKölpin2020-07-152020-07-152012-09IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications, APWC: 6324927 (2012-09)http://hdl.handle.net/11420/6794A modification of the famous Bow Tie antenna element for wideband Direction-Of-Arrival estimation antenna arrays is designed. A broadband impedance match from 5 GHz to 14.5 GHz corresponding to a 97% bandwidth, as well as a very stable radiation pattern over a 37% bandwidth from 5.5 GHz to 8 GHz is achieved. A method for pattern stabilization using parasitic edge currents is shown. In addition the proposed design uses a double layer substrate and hence aims at direct integration of the feed network and analog RF circuitry directly into the antenna array. The particular design is suited for low-cost integration and optimized for a wireless high-precision localization system.enConference Paper10.1109/APWC.2012.6324927Other