International Research Journal of Pure and Applied Physics (IRJPAP)

EA Journals

Planar Inverted-F Antenna (PIFA)

Design and Modelling of WCDMA Miniaturized Mobile Device Planar Inverted-F Aerial (PIFA) Antenna (Published)

In this work, we have designed, modelled and simulated a 4.9GHz to 5GHz miniature Planar inverted F-Antenna (PIFA) on COMSOL Multiphysics. The COMSOL antenna physics was based on the geometry of the device with mobile phone modelled using silicon body frame with FR4 circuit plate and plastic as well as glass for the mobile phone screen and body. The antenna was mounted within a mobile model in order to determine the performance. It was obtained that the antenna is very well acquired from -4dBi to 1dBi, 7.59dBi with 36 and 296 degrees respectively, voltage standing ratio (VSWR) less than -10dB of ratio 2:1. The downlink frequency obtained through the adaptive frequency sweep (AWE), with directivity of 5.7dB falls between the range for chip patch and the radiation pattern for 3D and 2D shows a perfect electric and magnetic radiation for the PIFA chip. The smith chart indicates the S-parameter plot for the impedance matching properties along with the surface far-field gain variation, thereby increasing confidence on viability of our device.

 

Keywords: COMSOL, Permittivity, Planar Inverted-F Antenna (PIFA), directivity and radiation, mobile

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