Ultra wideband patch antenna with a novel folded-patch technique

Author

Naser-Moghadasi, M. ; Dadgarpour, Abdolmehdi ; Jolani, Farid ; Virdee, B.S.

Author_Institution

Fac. of Eng., Sci. & Res. Campus, Islamic Azad Univ., Tehran

Volume

3

Issue

1

fYear

2009

fDate

2/1/2009 12:00:00 AM

Firstpage

164

Lastpage

170

Abstract

The authors present the results of a polygonal patch antenna for ultra-wideband applications covering a frequency band from 4.14 to 13.50 GHz. The fabricated antenna achieved a 10 dB impedance bandwidth in excess of 125 with an antenna size of 0.373lambda_otimes0.373lambda_otimes0.149lambda_o at its centre frequency. The antenna´s impedance bandwidth is 64% higher than what is currently obtainable with state-of-the-art folded-patch techniques. The proposed patch antenna has a polygonal-shape with a rectangular slot and shorting pins. The analysis of this antenna shows that bandwidth broadening is achieved by using a rectangular slot on the patch that is fed from a folded-patch feed, whereas the reduction in antenna size is achieved through the use of two shorting pins strategically located on the radiating patch.

Keywords

microstrip antennas; ultra wideband antennas; ultra wideband communication; bandwidth broadening; folded-patch technique; frequency 4.14 GHz to 13.5 GHz; impedance bandwidth; polygonal patch antenna; state-of-the-art folded-patch techniques; ultrawideband patch antenna;

fLanguage

English

Journal_Title

Microwaves, Antennas & Propagation, IET

Publisher

iet

ISSN

1751-8725

Type

jour

DOI

10.1049/iet-map:20080013

Filename

4768615