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A Low-Power, Battery-Free Tag for Body Sensor Networks
January-March 2010 (vol. 9 no. 1)
pp. 71-77
Soumyajit Mandal, Massachusetts Institute of Technology
Lorenzo Turicchia, Massachusetts Institute of Technology
Rahul Sarpeshkar, Massachusetts Institute of Technology
The authors describe a low-power, battery-free tag for use in pervasive sensing applications such as wearable patient-monitoring systems and body sensor networks. The tag consists of a custom integrated circuit, an antenna for RF energy harvesting, and several sensors for monitoring important physiological parameters and generating alarms when necessary. They also describe experimental results with phonocardiogram and photoplethysmogram signals and demonstrate tag localization within 0.6 m by using an audio localization scheme.

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Index Terms:
body sensor networks, localization, wireless monitoring, wearable sensors, energy harvesting, pervasive monitoring, body area networks, human-centered computing
Soumyajit Mandal, Lorenzo Turicchia, Rahul Sarpeshkar, "A Low-Power, Battery-Free Tag for Body Sensor Networks," IEEE Pervasive Computing, vol. 9, no. 1, pp. 71-77, Jan.-March 2010, doi:10.1109/MPRV.2010.1
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