eWatch: A Wearable Sensor and Notification Platform

Authors:
Uwe Maurer;Anthony Rowe;Asim Smailagic;Daniel P. Siewiorek
Affiliations:
Technische Universität München, Germany;School of Computer Science, Carnegie Mellon University, Pittsburgh;Electrical and Computer Engineering Department, Carnegie Mellon University, Pittsburgh;Electrical and Computer Engineering Department, Carnegie Mellon University, Pittsburgh
Venue:
BSN '06 Proceedings of the International Workshop on Wearable and Implantable Body Sensor Networks
Year:
2006

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Abstract

The eWatch is a wearable sensing, notification, and computing platform built into a wrist watch form factor making it highly available, instantly viewable, ideally located for sensors, and unobtrusive to users. Bluetooth communication provides a wireless link to a cellular phone or stationary computer. eWatch senses light, motion, audio, and temperature and provides visual, audio, and tactile notification. The system provides ample processing capabilities with multiple day battery life enabling realistic user studies. This paper provides the motivation for developing a wearable computing platform, a description of the power aware hardware and software architectures, and results showing how online nearest neighbor classification can identify and recognize a set of frequently visited locations.