✦ LIBER ✦

GPS antenna design with slotted ground plane

✍ Scribed by Chow-Yen-Desmond Sim; Tuan-Yung Han

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 434 KB
Volume: 50
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.23215

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✦ Synopsis

Abstract

A single layer, single‐feed circularly polarized (CP) microstrip antenna designed with 2 pairs of slot embedded on its ground plane for global positioning system (GPS) is proposed. The experimental results shown that by simply tuning the length of the slotted pair, two orthogonal near‐degenerate resonant modes for CP radiation can be excited. By comparing the proposed antenna to a reference antenna of similar sizes with two pairs of slit embedded on the radiating square patch; the proposed antenna demonstrated enhancement in gain, bandwidth, and radiation efficiency. Furthermore, in comparison to other CP antennas with slotted ground plane design, it demonstrated an excellent F/B ratio and wide 3 dB beamwidth. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 818–821, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23215

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