research unit 1

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Type of publication:Inproceedings
Entered by:chita
TitleAdaptive Neighbor Discovery for Mobile and Low Power Wireless Sensor Networks
Bibtex cite IDRACTI-RU1-2012-7
Year published 2012
Month October
Organization MSWiM’12
Location Paphos, Cyprus
Keywords Wireless Sensor Networks,Low Power Networks,Mobile Networks,Neighborhood Discovery,Adaptive Protocols,Protocol Design,Experimental Evaluation
Wireless Sensor Networks are by nature highly dynamic and communication between sensors is completely ad hoc, especially when mobile devices are part of the setup. Numerous protocols and applications proposed for such networks operate on the assumption that knowledge of the neighborhood is a priori available to all nodes. As a result, WSN deployments need to use or implement from scratch a neighborhood discovery mechanism. In this work we present a new protocol based on adaptive periodic beacon exchanges. We totally avoid continuous beaconing by adjusting the rate of broadcasts using the concept of consistency over the understanding of neighborhood that nearby devices share. We propose, implement and evaluate our adaptive neighborhood discovery protocol over our experimental testbed and using large scale simulations. Our results indicate that the new protocol operates more eciently than existing reference implementations while it provides valid information to applications that use it. Extensive performance evaluation indicates that it successfully reduces generated network traffic by 90% and increases network lifetime by 20% compared to existing mechanisms that rely on continuous beaconing.
Amaxilatis, Dimitrios
Oikonomou, Georgios
Chatzigiannakis, Ioannis
mswim068-amaxilatis.pdf (main file)
Publication ID955