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Published in:
2012 | OriginalPaper | Chapter
Body Absorbed Radiation and Design Issues for Wearable Antennas and Sensors
Author : Stavros Koulouridis
Published in: Wireless Mobile Communication and Healthcare
Publisher: Springer Berlin Heidelberg
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Wearable antennas and sensors are placed inside the body, on the body or in its very close proximity as part of wireless bi-directional communication networks supporting mainly medical applications. Human bodies, having high dielectric permittivity and losses, can greatly affect elements radiation resulting to unwanted power absorption on one hand (raising safety limits questions) and affecting antennas and sensors performance greatly. To deal with these problems, several configurations need to be investigated including optimum radiating element position, use of multiple elements, antennas’ special designs. In this work we evaluate several proposed scenarios found in literature to an effort to draw some basic conclusions.