An Energy-Efficient Elderly Tracking Algorithm

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Executive Summary

Location and tracking of healthy or infirm elders is a potentially useful application as society aging is accelerating worldwide and as technologies such as cellular positioning and Assisted Global Positioning System (AGPS) are maturing. For a wearable device to be used in such an application, the battery operating hour is often a key consideration. This paper describes an energy-efficient cellular and AGPS tracking algorithm based on the concept of Personal Common Location (PCL) that the authors define as the locations at which an elder spends most of his/her time, as recognized from historic cell ID record.

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