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Title: Bandwidth increasing technique using modified ground plane with diagonal edges
Authors: Niruth Prombutr
Phumin Kirawanich
Prayoot Akkaraekthalin
Mahidol University
King Mongkut's University of Technology North Bangkok
Keywords: Computer Science;Engineering;Mathematics
Issue Date: 1-Sep-2009
Citation: IETE Journal of Research. Vol.55, No.5 (2009), 196-200
Abstract: This paper presents a bandwidth increasing technique using a modified ground plane with diagonal edges for the design of compact antennas. The proposed low-cost, compact-size circular patch antenna on 3 cm × 5.1 cm printed circuit board (FR-4) is designed and validated through simulations and experiments. Results show that with diagonal cuts at corners of the ground plane, the enhanced bandwidth can be tunable depending on the removed area. Return losses of minus 17 and minus 30 dBs for the first and second resonant frequencies, respectively, can be achieved when the depth of the diagonal cut is at optimum value of five mm, providing an 18.13% wider bandwidth (2.95-12.615 GHz) than the Federal Communication Commission (FCC) standard. Copyright © 2009 by the IETE.
ISSN: 03772063
Appears in Collections:Scopus 2006-2010

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