Microstrip Patch Antenna Design for SAR Reduction in Human Head Using Slotting Technique


Authors : Mekala Harinath Reddy, Dara. Reddy Sreenivasulu, Devathi.Siva Shankar, S. Thomas Niba.

Volume/Issue : Volume 2 - 2017, Issue 7 - July

Google Scholar : https://goo.gl/5ycHuC

Scribd : https://goo.gl/RBh4ux

Thomson Reuters ResearcherID : https://goo.gl/3bkzwv

In this paper a new type of mobile handset antenna is designed to reduce the specific absorption rate (SAR) in human head using the slotting technique. In order to reduce SAR multiple slots have been etched on various places on the radiating patch. The new design for low SAR will be operating at multiband frequencies due to multiple slots. Apart from the SAR reduction various antenna parameters are also considered to be better in the proposed antenna. The proposed design obtained a return loss of -16db at 2.5 GHz, -12dB at 4GHz, -15dB at 5.4 GHz, -15dB at 7.4 GHZ and -14dB at 8GHz. In the proposed model the value of average SAR was reduced to 0.061732 W/kg over 10 g at the centre frequency 2.5 GHz. HFSS software is used to simulate the design.

Keywords : Handset antenna, Human head, Radiating patch, Slotting technique, Specific Absorption Rate (SAR).

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