Title :
Analysis of Mobile Phone Antenna Impedance Variations With User Proximity
Author :
Boyle, Kevin R. ; Yuan, Yun ; Ligthart, Leo P.
Author_Institution :
NXP Semicond., Redhill
Abstract :
The impedance change that occurs when the user holds a mobile phone antenna is a well-known problem. This paper analyses the contributions to this change for a dual-band PIFA. In particular, the contribution of the slot is shown and a method of reducing it is proposed and analyzed
Keywords :
mobile antennas; mobile handsets; multifrequency antennas; planar inverted-F antennas; dual-band PIFA; mobile phone antenna; planar inverted-F antenna; user proximity; Antenna measurements; Circuits; Dielectric losses; Dual band; Impedance measurement; Linearity; Measurement techniques; Mobile antennas; Mobile handsets; Performance loss; Antenna; impedance; interaction; planar inverted F antenna (PIFA);
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2006.889834
