Experiences from measuring human mobility using Bluetooth inquiring devices

  • Authors:
  • Erik Nordström;Christophe Diot;Richard Gass;Per Gunningberg

  • Affiliations:
  • Thomson Research, Paris, France;Thomson Research, Paris, France;Intel Research, Pittsburgh, PA;Uppsala University, Sweden

  • Venue:
  • MobiEval '07 Proceedings of the 1st international workshop on System evaluation for mobile platforms
  • Year:
  • 2007

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Abstract

We present an analysis of human mobility measurements using Bluetooth devices. A number of data traces from such measurements have been made publicly available for the benefit of the research community. However, the limitations of the measurement approaches are in general not well known. We have been given access to the Intel Motes and to the software that was used to perform some of the previous measurements. We present a detailed description of this platform, an analysis of the software used, and provide information on the improvements we have made to remove a number of limitations in the software. To illustrate the impact of our changes, we provide results from two new data collection efforts and compare them to the previous experiments. One of our major results is that our new software makes significant improvements in the number of contacts that can be sampled during each Bluetooth scan. We discuss the impact of these findings.