research unit 1

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Type of publication:Inproceedings
Entered by:ichatz
TitleAdaptive Hierarchical Network Structures for Wireless Sensor Networks
Bibtex cite IDRACTI-RU1-2011-32
Booktitle 3rd ICST International Conference on Ad Hoc Networks
Series Lecture Notes of the Institute for Computer Sciences, Social-Inf
Year published 2011
Month September
Location Paris, France
Clustering is a crucial network design approach to enable large-scale wireless sensor networks (WSNs) deployments. A large variety of clustering approaches has been presented focusing on different performance metrics. Such protocols usually aim at minimizing communication overhead, evenly distributing roles among the participating nodes, as well as controlling the network topology. Simulations on such protocols are performed using theoretical models that are based on unrealistic assumptions like the unit disk graph communication model, ideal wireless communication channels and perfect energy consumption estimations. With these assumptions taken for granted, theoretical models claim various performance milestones that cannot be achieved in realistic conditions. In this paper, we design a new clustering protocol that adapts to the changes in the environment and the needs and goals of the user applications. We address the issues that hinder its performance due to the real environment conditions and provide a deployable protocol. The implementation, integration and experimentation of this new protocol and it's optimizations, were performed using the \textsfWISEBED framework. We apply our protocol in multiple indoors wireless sensor testbeds with multiple experimental scenarios to showcase scalability and trade-offs between network properties and configurable protocol parameters. By analysis of the real world experimental output, we present results that depict a more realistic view of the clustering problem, regarding adapting to environmental conditions and the quality of topology control. Our study clearly demonstrates the applicability of our approach and the benefits it offers to both research \& development communities.
Amaxilatis, Dimitrios
Chatzigiannakis, Ioannis
Dolev, Shlomi
Koninis, Christos
Pyrgelis, Apostolos
Spirakis, Paul
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Publication ID884