A novel, low-profile, directional UWB antenna for WBAN

Amer, W; Tian, GY; Tsimenidis, C

doi:10.1109/LAPC.2014.6996492

A novel, low-profile, directional UWB antenna for WBAN

Lookup NU author(s): Waleed Amer, Professor Gui Yun Tian ORCiD, Professor Harris Tsimenidis

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Abstract

© 2014 IEEE. This paper presents a novel antenna design for ultra wide-band body area network applications. The design is composed of two Vivaldi shapes placed opposite to each other on the same substrate, which achieves constant impedance matching over a wide band and uniform radiation pattern. To reduce the backward radiation, two types of reflector were used: flat and curved. Results show that using a curved reflector enhances the radiation pattern on most of the UWB with less effect on the antenna impedance compared to the flat reflector.