A Compact Single-Sided Horn-Shaped Tapered Bowtie Antenna for Ultra Wideband Radar and Communication Systems Applications

Young Kil KWAG  

IEICE TRANSACTIONS on Communications   Vol.E92-B   No.7   pp.2546-2549
Publication Date: 2009/07/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E92.B.2546
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antennas and Propagation
ultra wideband antenna,  tapered shaped bowtie,  UWB antenna fed by coplanar strip-line (CPS),  

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This letter proposes a high-performance single-sided horn-shaped tapered bowtie antenna which is compact and covers more than the whole UWB frequency band. This design implements a bowtie radiating element and tapered strip-line feeder element on a single-sided dielectric substrate, which offers a measured return loss of less than -10 dB over the whole UWB frequency band of 3.0-10.8 GHz. The measured radiation pattern is bi-directional with consistent gain over the above frequency band. This compact-size design shows much enhanced performance, compared to the previously reported antenna, which is useful for UWB radar and communication applications.