A novel low SAR water-based mobile handset antenna

The effect of mobile phones on human health is becoming a serious concern in the last decade. This paper suggests a novel water-based cellular phone antenna for reducing the electromagnetic wave radiation toward human head. Two antennas are considered: a single band PIFA operating at 1.8 GHz, and a...

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Bibliographic Details
Published in:Analog integrated circuits and signal processing 2018-08, Vol.96 (2), p.353-361
Main Authors: Nasser, Najat, Serhal, Dina, Barake, Rabih, Rammal, Mohammad, Vaudon, Patrick
Format: Article
Language:English
Subjects:
Absorption
Antennas
Cellular telephones
Circuits and Systems
Current distribution
Density distribution
Electrical Engineering
Electromagnetic fields
Electromagnetic radiation
Engineering
Engineering Sciences
Ground plane
Radiation
Signal,Image and Speech Processing
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Summary:The effect of mobile phones on human health is becoming a serious concern in the last decade. This paper suggests a novel water-based cellular phone antenna for reducing the electromagnetic wave radiation toward human head. Two antennas are considered: a single band PIFA operating at 1.8 GHz, and a dual band PIFA operating at 900 MHz and 1.8 GHz. The specific absorption rate (SAR) is decreased up to 0.6 W/kg by limiting the propagation of near electromagnetic fields toward the human head and therefore reducing the current density distribution. The reduction of SAR is carried out by introducing an U-edge wall made of an absorbing water material at each corner of the ground plane.
ISSN:0925-1030
1573-1979
DOI:10.1007/s10470-018-1130-8