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Broadband double-layered coplanar patch antennas with adjustable CPW feeding structure

Tong, K.F.; Li, K.; Matsui, T.; Izutsu, M.; (2004) Broadband double-layered coplanar patch antennas with adjustable CPW feeding structure. IEEE Transactions on Antennas and Propagation , 52 (11) pp. 3153-3156. 10.1109/TAP.2004.834392. Green open access

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In this paper, we have presented the double-layered coplanar patch antennas of enhanced impedance bandwidth and adjustable conductor-backed coplanar waveguide feed lines. The proposed structure retains the advantage of laying the coplanar patch and coplanar waveguide (CPW) feed line on the same surface, which makes direct integration with other devices easier. In addition, the substrate thickness of the radiating patch can be adjusted to achieve a wider impedance bandwidth while the dimensions of the CPW feed line are kept unchanged. Simulation has been done by using commercial electromagnetic (EM) simulation software. Four testing antennas, which have centre frequency at about 10 GHz, were designed. The four testing antennas had the same total thickness, but different thickness combinations. From the measured return loss, gain, and radiation patterns of the antennas, it was demonstrated that different thickness combinations do not affect the characteristics of the antennas seriously. Therefore, the dimensions of the CPW feed structure of the antennas can be adjusted individually and can be selected for different applications.

Type: Article
Title: Broadband double-layered coplanar patch antennas with adjustable CPW feeding structure
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/TAP.2004.834392
Publisher version: http://dx.doi.org/10.1109/TAP.2004.834392
Language: English
Additional information: ©2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: Broadband antenna, coplanar waveguides feed line, planar antenna
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/13236
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