Cylindrical rectangular microstrip antennas with coplanar parasitic patches

Author

Tam, W.Y. ; Lai, A.K.Y. ; Luk, K.M.

Author_Institution

Dept. of Electron. Eng., Hong Kong Polytech., Hung Hom, Hong Kong

Volume

142

Issue

4

fYear

1995

fDate

8/1/1995 12:00:00 AM

Firstpage

300

Lastpage

306

Abstract

The effect of coplanar parasitic patches on the input impedance and far-field pattern of probe-fed cylindrical rectangular microstrip antennas is presented. The parasitic patches are coupled parallel to either the radiating edges or nonradiating edges of the driven patch. Applying the boundary condition on the surface of the patches, coupled integral equations are formulated. The equations involve the spectral domain Green´s functions of a dielectric coated metallic cylinder and unknown electric current of the patches. The Galerkin procedure on an entire-domain basis is employed to solve the coupled integral equations. The interactions among patches through the space wave as well as the surface wave are incorporated. Input impedance and far-field pattern are computed for different size of cylinder and distance among the patches

Keywords

Galerkin method; Green´s function methods; antenna radiation patterns; electric current; electric impedance; microstrip antennas; Galerkin procedure; boundary condition; coplanar parasitic patches; coupled integral equations; cylindrical rectangular microstrip antennas; dielectric coated metallic cylinder; driven patch; electric current; entire-domain basis; far-field pattern; input impedance; nonradiating edges; patch distance; probe-fed microstrip antennas; radiating edges; space wave interactions; spectral domain Green´s functions;

fLanguage

English

Journal_Title

Microwaves, Antennas and Propagation, IEE Proceedings

Publisher

iet

ISSN

1350-2417

Type

jour

DOI

10.1049/ip-map:19952053

Filename

465200