Abstract
AbstractEvery mobile phone emits radio frequency electromagnetic energy. The amount of this energy absorbed by the human head is measured by the specific absorption rate (SAR). There are standard limits, according to which phones sold should be below certain SAR level. To maintain these limits, shields can be used for the mobile phones. In this paper using ANSYS HFSS, modelling of the human head is done. The modern mobile phone design is used for simulation. SAR distribution is measured for different layers of the head due to exposure to radiation from the mobile phone operating at GSM-1800 frequency band. The performance of the mobile phone antenna due to different shields is observed. Proper shielding material properties are found.
Highlights
In this modern world, everyone uses mobile phones
To avoid effects of mobile phone radiation on human health, various governments have defined maximum specific absorption rate (SAR) levels for radio frequency (RF) energy emitted by mobile phones [8, 9]
SAR is a measure of the rate at which energy is absorbed by the human body when exposed to a radio frequency (RF) electromagnetic field
Summary
Everyone uses mobile phones. Each mobile phone radiates a low level of radio frequency electromagnetic energy.
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