Demonstrating EnTracked a system for energy-efficient position tracking for mobile devices

Authors:
Mikkel Baun Kjærgaard;Jakob Langdal;Torben Godsk;Thomas Toftkjær
Affiliations:
Aarhus University, Aarhus, Denmark;Alexandra Institute A/S, Aarhus, Denmark;The Knowledge Centre, Danish Agricultural Advisory Service, Aarhus, Denmark;Systematic A/S, Aarhus, Denmark
Venue:
Proceedings of the 12th ACM international conference adjunct papers on Ubiquitous computing - Adjunct
Year:
2010

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Abstract

An important feature of a modern mobile device is that it can position itself. Not only for use on the device but also for remote applications that require tracking of the device. To be useful, such position tracking has to be energy-efficient to avoid having a major impact on the battery life of the mobile device. To address this challenge we have build a system named EnTracked that, based on the estimation and prediction of system conditions and mobility, schedules position updates to both minimize energy consumption and optimize robustness. In this demonstration we would like to show how the system can lower the energy consumption and remain robust as pedestrians targets move around in the city center of Copenhagen.