Literature Database Entry


Noorsalwati Nordin and Falko Dressler, "On the Impact of Beacon Collisions in Co-located IEEE 802.15.4-based Networks," Proceedings of 31st IEEE Conference on Computer Communications (INFOCOM 2012), Student Activities, Orlando, FL, March 2012.


IEEE 802.15.4 has become the de-facto standard in many areas of wireless communications including wireless sensor and body area networks in industrial automation and healthcare domains. Such pervasive usage will involve multiple networks with overlapping transmission and interference areas, operating uncoordinated. IEEE 802.15.4 defines a node synchronization strategy using beacons for achieving robust low energy communication. Nonetheless, collisions are inevitable as some packets, e.g., the synchronization beacons are sent without carrier sensing. Consequently, co-located networks may substantially suffer from beacon collisions. We present early performance evaluation results involving multiple co-located networks. In an extensive set of simulation experiments, we found that the number of lost beacons is independent of the amount of superframe overlap, but is a major cause of performance degradations. We conclude that distributed coordination is necessary. Therefore, our ongoing work includes the development of adaptive inter-network beacon coordination schemes.

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Noorsalwati Nordin
Falko Dressler

BibTeX reference

    author = {Nordin, Noorsalwati and Dressler, Falko},
    title = {{On the Impact of Beacon Collisions in Co-located IEEE 802.15.4-based Networks}},
    publisher = {IEEE},
    address = {Orlando, FL},
    booktitle = {31st IEEE Conference on Computer Communications (INFOCOM 2012), Student Activities},
    month = {3},
    year = {2012},

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