Comparison of directlional and omnl-directlonal UWB antennas for Wireless Body Area Network applications

M. Klemm, I.Z. Kovacs, G.F. Pedersen, G. Triister
2005 2005 18th International Conference on Applied Electromagnetics and Communications  
fn this paper we present a loiv-profile directional UWB antenna with improved radiation efficiency vhen operating in close vicinity to a biological tissuie. This antenna is intendedfor the use in UWB Wireless Body Area Aet cork (WBAAT) applications, betwveen 3 and 6 GAz. A novel design is based on a UWB slot antenna structure w4th an added radiato;rleflector element in order to achieve directional radiation pattern. We compaire resllts of our novel design, to those ofthe omni-directional UWB
more » ... opole antenna (currently the most commonly used in UWB studies). Measurement and similotion resilts show that the developed directional UWB slot antenna has the improved radiaction efficiency in the vicinity of human body. Moreover, proximity of the h iman body much less influences its transfer finctions (the most important antenna parameter in UWB radio), compared to the omni-directional UWB monopole antenna.
doi:10.1109/icecom.2005.205038 fatcat:t3xdlld6ojaepp3sqan6b67idq