Ultra wideband printed monopole antenna with dual-band circular polarization

Author

Khalily, Mohsen ; Rahim, M.K.A. ; Kamarudin, M.R. ; Shaneshin, M. ; Danesh, S.

Author_Institution

Radio Commun. Eng. Dept., Univ. Teknol. Malaysia, Skudai, Malaysia

fYear

2011

fDate

11-15 April 2011

Firstpage

365

Lastpage

368

Abstract

An ultra wideband printed monopole antenna with dual band circular polarization for wireless application is presented. The antenna dimensions are 30 × 30 × 1.6 mm³. The proposed antenna is able to cover frequency range between 2.65 GHz and 11 GHz with impedance bandwidth is around 122%. With the use of I-shape slit in the radiation element and the T-slot in the ground plane, the ultra wideband and circular polarization are excited. In addition, the rectangular slit is added in the ground plane, to enhance the impedance- and Axial Ratio - bandwidth. Furthermore, the dual band circular polarization with right hand circular polarization at 3.1 GHz and the left hand circular polarization at 7 GHz are obtained. Also, the 3-dB axial ratio bandwidths are about 242 and 246 MHZ at the lower and upper band without rectangular slit and 356 and 546 MHZ at the lower and upper band with rectangular slit, respectively.

Keywords

UHF antennas; antenna radiation patterns; microstrip antennas; monopole antennas; multifrequency antennas; ultra wideband antennas; I-shape slit; T-slot; bandwidth 246 MHz; bandwidth 356 MHz; bandwidth 546 MHz; dual-band circular polarization; frequency 2.65 GHz to 11 GHz; ground plane; impedance bandwidth; impedance-axial ratio-bandwidth; rectangular slit; right hand circular polarization; ultra wideband printed monopole antenna; Antennas; Dual band;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation (EUCAP), Proceedings of the 5th European Conference on

Conference_Location

Rome

Print_ISBN

978-1-4577-0250-1

Type

conf

Filename

5782361