High-gain 24-GHz CPW-fed microstrip patch antennas on high-permittivity substrates

Author

Aditya, Sheel ; Sim, Chee K. ; Wu, Duolong ; Chua, Wee T. ; Shen, Zhong X. ; Law, Choi L.

Author_Institution

Sch. of Electr. & Electron. Eng., Nat. Technol. Univ., Singapore, Singapore

Volume

3

Issue

1

fYear

2004

Firstpage

30

Lastpage

33

Abstract

Simulation and measurement results are presented for two designs of high-gain linearly polarized microstrip patch antennas, operating at 24 GHz on two high-permittivity substrates: Taconic CER-10 and high-resistivity silicon. One of these designs is new. In both designs, a multilayer construction is used and the patch is coupled to a coplanar waveguide (CPW) feed through a slot. The problem of surface waves is avoided by introducing an air gap between the slot and the patch with the help of micromachining or spacer layer; in one of the designs, the superstrate effect is also employed. For the new design, the measured gain value in the forward direction exceeds 6 dBi.

Keywords

antenna feeds; coplanar waveguide components; dielectric materials; microstrip antennas; multilayers; silicon; substrates; 24 GHz; CPW feed; CPW-fed microstrip patch antennas; Taconic CER-10; coplanar waveguide feed; high-gain antennas; high-permittivity substrates; high-resistivity silicon; linearly polarized antennas; micromachining; multilayer construction; spacer layer; superstrate effect;

fLanguage

English

Journal_Title

Antennas and Wireless Propagation Letters, IEEE

Publisher

ieee

ISSN

1536-1225

Type

jour

DOI

10.1109/LAWP.2004.827897

Filename

1290932