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Dynamic Reconfiguration of Cluster-Tree Wireless Sensor Networks to Handle Communication Overloads in

Miguel Lino1,2, Erico Leão1, André Soares1

  • 1Department of Computing, Federal University of Piauí, Teresina 64049-550, Brazil.

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Summary

This study introduces DyRET, a dynamic reconfiguration mechanism for large-scale Wireless Sensor Networks (WSNs) using IEEE 802.15.4/ZigBee. It optimizes communication resources in cluster-tree topologies to ensure network stability during critical event monitoring.

Keywords:
cluster-treedisasterhazardsindustrial wireless sensor networkremote sensing

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Network Engineering

Background:

  • Internet of Things (IoT) relies on efficient communication mechanisms.
  • IEEE 802.15.4/ZigBee is a key protocol for large-scale Wireless Sensor Networks (WSNs).
  • Industrial WSNs often use cluster-tree topologies for critical process monitoring.

Purpose of the Study:

  • To address challenges in remote monitoring of critical events in large-scale WSNs.
  • To propose a dynamic reconfiguration mechanism for IEEE 802.15.4 cluster-tree WSNs.
  • To ensure quality of service (QoS) under high network load.

Main Methods:

  • Development of the Dynamic REconfiguration mechanism of cluster-Tree WSNs (DyRET).
  • Dynamic reconfiguration of large-scale IEEE 802.15.4 cluster-tree WSNs.
  • Assignment of communication resources based on accumulated network load per node.

Main Results:

  • DyRET dynamically reconfigures WSNs to manage network load.
  • The mechanism effectively assigns communication resources to overloaded branches.
  • Simulation assessment confirms the proposed mechanism's efficiency.

Conclusions:

  • DyRET ensures the required quality of service for dynamic reconfiguration.
  • The mechanism enhances the robustness of industrial cluster-tree WSNs.
  • This approach is crucial for reliable monitoring of critical events in large areas.