Literature Database Entry


Noorsalwati Nordin and Falko Dressler, "Effects and Implications of Beacon Collisions in Co-located IEEE 802.15.4 Networks," Proceedings of 76th IEEE Vehicular Technology Conference (VTC 2012-Fall), Québec, Canada, September 2012.


Beacon-synchronized operation allows to operate wireless networks very efficiently, in particular focusing on energy requirements. It is, however, unclear, to what extend this beacon-based synchronization suffers in case of independently operating networks with overlapping communication ranges. We study the effects and implications of beacon collisions in co-located IEEE 802.15.4 networks. This protocol has become the de-facto standard in many areas of wireless communications including wireless sensor and body area networks, but also in industrial network domains. IEEE 802.15.4 defines a node synchronization strategy using beacons for achieving robust and real-time capable low energy communication. Nonetheless, collisions are inevitable as some packets, e.g., the synchronization beacons indicating the start of a new superframe, are sent without carrier sensing. Consequently, co-located networks may substantially suffer from beacon collisions. In an extensive set of simulation experiments of co-located networks, we found that the number of lost beacons is independent of the amount of superframe overlap, but is a major cause of performance degradations.

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Noorsalwati Nordin
Falko Dressler

BibTeX reference

    author = {Nordin, Noorsalwati and Dressler, Falko},
    doi = {10.1109/VTCFall.2012.6398943},
    title = {{Effects and Implications of Beacon Collisions in Co-located IEEE 802.15.4 Networks}},
    publisher = {IEEE},
    issn = {1090-3038},
    isbn = {978-1-4673-1881-5},
    address = {Qu{\'{e}}bec, Canada},
    booktitle = {76th IEEE Vehicular Technology Conference (VTC 2012-Fall)},
    month = {9},
    year = {2012},

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