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The interaction between the circular loop antenna and human tissue is investigated. Return loss, radiation efficiency and specific absorption rate (SAR) when in proximity to human tissue is evaluated for various loop orientations with respect to the tissue. The simulated internal SAR distribution is shown for various orientations with respect to the tissue
Curto, S., Ammann, M.: Circular loop antenna operating at 434 MHz for medical applications: loop-tissue interaction. Irish Signals and Systems Conference, pp.327-331. Dublin, 28-30, June 2006.