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Decentralized Movement Pattern Detection amongst Mobile Geosensor Nodes

  • Patrick Laube
  • Matt Duckham
  • Thomas Wolle
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5266)

Abstract

Movement patterns, like flocking and converging, leading and following, are examples of high-level process knowledge derived from low-level trajectory data. Conventional techniques for the detection of movement patterns rely on centralized “omniscient” computing systems that have global access to the trajectories of mobile entities. However, in decentralized spatial information processing systems, exemplified by wireless sensor networks, individual processing units may only have access to local information about other individuals in their immediate spatial vicinity. Where the individuals in such decentralized systems are mobile, there is a need to be able to detect movement patterns using collaboration between individuals, each of which possess only partial knowledge of the global system state. This paper presents an algorithm for decentralized detection of the movement pattern flock, with applications to mobile wireless sensor networks. The algorithm’s reliability is evaluated through testing on simulated trajectories emerging from unconstrained random movement and correlated random walk.

Keywords

Sensor Node Wireless Sensor Network Communication Range Compensation Factor Consecutive Time Step 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Patrick Laube
    • 1
  • Matt Duckham
    • 1
  • Thomas Wolle
    • 2
  1. 1.Department of GeomaticsThe University of MelbourneAustralia
  2. 2.NICTA SydneyAlexandriaAustralia

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