Performance of pin loaded microstrip patch antennas

Author

Mahmoud, Samir ; Collins, Spencer ; Antar, Yahia M M

Volume

1

fYear

2002

fDate

2002

Firstpage

10

Abstract

There have been continuing attempts to reduce the size of patch antennas in applications such as mobile telephones and wireless communication. In this paper, we present both analytical and simulation studies of the main characteristics of a pin loaded microstrip patch antenna of a circular shape. On the analytical side, the cavity modal fields are derived and the modal equation is solved for the cavity resonant frequencies. It is shown that the dominant cavity mode of a pin-loaded patch achieves an area saving of 75 to 90% relative to the unloaded patch. However, the radiation efficiency of this mode is considerably reduced. Simulation results using Zealand´s IE3D software confirms such findings.

Keywords

antenna radiation patterns; microstrip antennas; mobile antennas; modal analysis; Zealand IE3D software; cavity modal fields; cavity resonant frequencies; circular antenna; dominant cavity mode; mobile wireless communication; modal equation; performance; pin loaded microstrip patch antennas; radiation efficiency; simulation; size reduction; Apertures; Azimuthal harmonics; Dielectric substrates; Educational institutions; Equations; Microstrip antennas; Military communication; Patch antennas; Resonant frequency; Telephony;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 2002. IEEE

Print_ISBN

0-7803-7330-8

Type

conf

DOI

10.1109/APS.2002.1016239

Filename

1016239