DocumentCode
1023062
Title
Unidirectional uwb array antenna using leaf-shaped bowtie elements and flat reflector
Author
Ito, Y. ; Ameya, M. ; Yamamoto, M. ; Nojima, T.
Author_Institution
Hokkaido Univ., Sapporo
Volume
44
Issue
1
fYear
2008
Firstpage
9
Lastpage
11
Abstract
A study of a UWB array antenna is presented, which is composed of leaf-shaped bowtie radiating elements printed on a dielectric substrate. With the use of a flat reflector, the presented antenna has unidirectional radiation characteristics and higher directivity in comparison with omnidirectional UWB antennas. In the maximum radiation direction of the proposed antenna, the actual gain of 10.3-13.3 dBi is achieved over the frequency range of 4.1-10.0 GHz (-3 dB gain bandwidth of 91%).
Keywords
antenna radiation patterns; broadband antennas; directive antennas; microwave antenna arrays; Unidirectional UWB array antenna; antenna radiation direction; flat reflector; frequency 4.1 GHz to 10 GHz; gain 10.3 dB to 13.3 dB; leaf-shaped bowtie radiating elements; omnidirectional UWB antennas; unidirectional radiation characteristics;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20082741
Filename
4414999
Link To Document