A Low-Power, Battery-Free Tag for Body Sensor Networks

Authors:
Soumyajit Mandal;Lorenzo Turicchia;Rahul Sarpeshkar
Affiliations:
Massachusetts Institute of Technology;Massachusetts Institute of Technology;Massachusetts Institute of Technology
Venue:
IEEE Pervasive Computing
Year:
2010

Citing 0
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Abstract

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.