A Low-Profile Ultra-Wideband Modified Planar Inverted-F Antenna

A miniaturized modified planar inverted-F antenna (PIFA) is presented and experimentally studied. This antenna consists of a planar rectangular monopole top-loaded with a rectangular patch attached to two rectangular plates, one shorted to the ground and the other suspended, both placed at the optim...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation Vol. 61; no. 1; pp. 100 - 108
Main Authors: Chan Hwang See, Hraga, H. I., Abd-Alhameed, R. A., McEwan, N. J., Noras, J. M., Excell, P. S.
Format: Journal Article
Language:English
Published: New York, NY IEEE 01.01.2013
Institute of Electrical and Electronics Engineers
Subjects:
Antenna measurements
Antennas
Applied sciences
Bandwidth
Exact sciences and technology
Impedance
Impedance bandwidth
Impedance matching
monopole antenna
PIFA
Radiocommunications
Resonant frequency
Telecommunications
Telecommunications and information theory
Ultra wideband antennas
ultra-wideband
Prototype
Inverted F shape
Wireless telecommunication
Impedance bandwidth
Ultra wide band
PIFA
Monopole antenna
ultra-wideband
Rectangular plate
Radiation pattern
Plane antenna
Reflectance
Planar technology
ISSN:0018-926X, 1558-2221
Online Access:Get full text
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Summary:A miniaturized modified planar inverted-F antenna (PIFA) is presented and experimentally studied. This antenna consists of a planar rectangular monopole top-loaded with a rectangular patch attached to two rectangular plates, one shorted to the ground and the other suspended, both placed at the optimum distance on each side of the planar monopole. The fabricated antenna prototype had a measured impedance bandwidth of 125%, covering 3 to 13 GHz for reflection coefficient better than -10 dB. The radiator size was 20×10×7.5 mm 3 , making it electrically small over most of the band and suitable for incorporation in mobile devices. The radiation patterns and gains of this antenna have been cross-validated numerically and experimentally and confirm that this antenna has adequate characteristics for short range ultra-wideband wireless applications.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2012.2216494