Abstract
This paper describes a novel methodology to design PIFA (Planar Inverted-F Antenna) antennas based on parametric simulations. The parameters considered in the parametric design are ground plan dimensions, height of radiating plate, feeding point position, shorting plate width and position. The choice of the parameters that must be varied independently or simultanously is important to design optimized antenna. The author studied two scenarios in precedent works [1,2]. He exposes here a third scenario of varing antenna parameters to design and simulate by HFSS (High Frequency Simulator Structure) simulator a probe-fed dual band PIFA for the use in GSM 850 band (824 MHz - 894 MHz) and PCS 1900 band (1850 MHz - 1990 MHz). The author compares the three scenarios and establishes a novel methodology to design optimized and miniaturized antennas mounted on mobile handsets.
Highlights
With the development of mobile networks and wireless applications, the handset should be more miniature, while working in different bands and supporting different applications
This paper describes a novel methodology to design PIFA (Planar Inverted-F Antenna) antennas based on parametric simulations
To design a dual band PIFA, the author exposed a methodolgy based on parametric simulations
Summary
With the development of mobile networks and wireless applications, the handset should be more miniature, while working in different bands and supporting different applications. The miniaturization approaches are based on either geometric manipulation (the use of bend forms, meandered lines, PIFA shape, varying distance between feeder and short plate [4]) or material manipulation (loading with a high-dielectric material, lumped elements, conductors, capacitors, short plate [5]) or the environment characteristics (ground plane dimensions, coupling, measurement and fabrication errors [4]). In this case, the bi-band designed antenna is shorted to the ground plane by a plate, uses regular shapes and uses a high dielectric thin substrate under the radiating plate not above the ground plane). The third scenario will be applied to design a dual band PIFA for the use in the GSM850 and PCS1900 bands
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