CST – Computer Simulation Technology

2.4 GHz Plaster Antennas for Health Monitoring
Tiiti Kellomaki , William G. Whittow, Jouko Heikkinen, Lauri Kettunen
3rd European Conference on Antennas and Propagation, 2009. EuCAP 2009.
23-27 March 2009
211 - 215
Antennas, medical services, microstrip antennas
Commercial plaster material (polyacrylate) is used as an antenna substrate. Two 2.45 GHz patch antennas are introduced, both designed to be attached directly to the skin. Measured efficiencies are 70 % in free space and 60 % on-body. Measured on-body gains of each antenna are 6.2 and 1.4 dBi. Simulated 1 g specific absorption rates (SAR) of the two antennas are 2.3 W/kg and 1.6 W/kg using 1 W input power. 10 g SAR values are 0.6 W/kg and 1.2 W/kg. Antenna feeding using snap-on buttons is investigated and has been found useful.

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