Opportunistic Sensing in Wireless Sensor Networks

Johan Scholten, Pascal Bakker

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    4 Citations (Scopus)
    14 Downloads (Pure)

    Abstract

    Opportunistic sensing systems consist of changing constellations of wireless sensor nodes that, for a limited amount of time, work together to achieve a common goal. Such constellations are self-organizing and come into being spontaneously. This paper presents an opportunistic sensing system to select a subset of sensor nodes out of a larger set based on a common context. We show that it is possible to use a wireless sensor network to make a distinction between carriages from different trains. The common context in this case is acceleration, which is used to select a subset of carriages that belong to the same train. Simulations based on a realistic set of sensor data establish that the method is valid, but that the algorithm is too complex for implementation. Downscaling reduces the number of processor execution cycles as well as memory usage, and makes the algorithm suitable for implementation on a wireless sensor node with acceptable loss of precision. Actual implementation on wireless sensor nodes confirms the results obtained with the simulations.
    Original languageEnglish
    Title of host publicationTenth International Conference on Networks, ICN 2011
    PublisherIARIA
    Pages224-229
    Number of pages6
    ISBN (Print)978-1-61208-002-4
    Publication statusPublished - Jan 2011
    Event10th International Conference on Networks, ICN 2011 - St. Maarten, The Netherlands Antilles, Netherlands
    Duration: 23 Jan 201128 Jan 2011
    Conference number: 10

    Conference

    Conference10th International Conference on Networks, ICN 2011
    Abbreviated titleICN
    CountryNetherlands
    CitySt. Maarten, The Netherlands Antilles
    Period23/01/1128/01/11

    Fingerprint

    Sensor nodes
    Wireless sensor networks
    Data storage equipment
    Sensors

    Keywords

    • Wireless Sensor Network
    • Activity Recognition
    • IR-75903
    • Context awareness
    • EWI-19544
    • METIS-277524
    • Opportunistic sensing

    Cite this

    Scholten, J., & Bakker, P. (2011). Opportunistic Sensing in Wireless Sensor Networks. In Tenth International Conference on Networks, ICN 2011 (pp. 224-229). IARIA.
    Scholten, Johan ; Bakker, Pascal. / Opportunistic Sensing in Wireless Sensor Networks. Tenth International Conference on Networks, ICN 2011. IARIA, 2011. pp. 224-229
    @inproceedings{a4c2094ab9494b4ab7704ada7415f280,
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    author = "Johan Scholten and Pascal Bakker",
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    Scholten, J & Bakker, P 2011, Opportunistic Sensing in Wireless Sensor Networks. in Tenth International Conference on Networks, ICN 2011. IARIA, pp. 224-229, 10th International Conference on Networks, ICN 2011, St. Maarten, The Netherlands Antilles, Netherlands, 23/01/11.

    Opportunistic Sensing in Wireless Sensor Networks. / Scholten, Johan; Bakker, Pascal.

    Tenth International Conference on Networks, ICN 2011. IARIA, 2011. p. 224-229.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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    AU - Bakker, Pascal

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    AB - Opportunistic sensing systems consist of changing constellations of wireless sensor nodes that, for a limited amount of time, work together to achieve a common goal. Such constellations are self-organizing and come into being spontaneously. This paper presents an opportunistic sensing system to select a subset of sensor nodes out of a larger set based on a common context. We show that it is possible to use a wireless sensor network to make a distinction between carriages from different trains. The common context in this case is acceleration, which is used to select a subset of carriages that belong to the same train. Simulations based on a realistic set of sensor data establish that the method is valid, but that the algorithm is too complex for implementation. Downscaling reduces the number of processor execution cycles as well as memory usage, and makes the algorithm suitable for implementation on a wireless sensor node with acceptable loss of precision. Actual implementation on wireless sensor nodes confirms the results obtained with the simulations.

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    KW - Activity Recognition

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    KW - Context awareness

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    KW - METIS-277524

    KW - Opportunistic sensing

    M3 - Conference contribution

    SN - 978-1-61208-002-4

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    BT - Tenth International Conference on Networks, ICN 2011

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    Scholten J, Bakker P. Opportunistic Sensing in Wireless Sensor Networks. In Tenth International Conference on Networks, ICN 2011. IARIA. 2011. p. 224-229