Mobility

Opportunistic Strategies for Lightweight Signal Processing for Body Sensor Networks

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Executive Summary

The authors present a mobile platform for body sensor networking based on a smartphone for lightweight signal processing of sensor mote data. The platform allows for local processing of data at both the sensor mote and smartphone levels, reducing the overhead of data transmission to remote services. They discuss how the smartphone platform not only provides the ability for wearable signal processing, but it allows for opportunistic sensing strategies, in which many of the onboard sensors and capabilities of modern smartphones may be collected and fused with body sensor data to provide environmental and social context. They propose that this can help refine data reduction at the local level. They describe three examples related to health and wellness, to which the system has been applied.

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