Design of wearable textile antenna for low back radiation

Pranita Manish Potey and Kushal Tuckley

Journal of Electromagnetic Waves and Applications, 2020, vol. 34, issue 2, 235-245

Abstract: In this paper, the back radiation incident on-body tissue due to wearable antennas is investigated. The research is directed toward reducing the “Main lobe to back lobe power ratio” for the wearable antennas. The radiated power of the wearable antenna is being increased to achieve communication over longer distances. It is important to keep the back radiation well below the SAR for human safety. The paper presents a representative case of an antenna operating at 2.45 GHz (ISM band) and illustrates design improvisations to reduce the back radiation. The experimental results are substantiated by computing the SAR impact with two “human body tissue models” for human upper arm (humerus) and the back. The results are compared with advanced techniques like EBG.

Date: 2020
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DOI: 10.1080/09205071.2019.1699170

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