Sensor Systems and Software

Volume 24 of the series Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering pp 174-188

Energy-Aware Dynamic Route Management for THAWS

  • Chong ShenAffiliated withCLARITY Centre, Tyndall National Institute
  • , Sean HarteAffiliated withCLARITY Centre, Tyndall National Institute
  • , Emanuel PopoviciAffiliated withCLARITY Centre, Tyndall National Institute
  • , Brendan O’FlynnAffiliated withCLARITY Centre, Tyndall National Institute
  • , John BartonAffiliated withCLARITY Centre, Tyndall National Institute

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In this research we focus on the Tyndall 25mm and 10mm nodes energy-aware topology management to extend sensor network lifespan and optimise node power consumption. The two tiered Tyndall Heterogeneous Automated Wireless Sensors (THAWS) tool is used to quickly create and configure application-specific sensor networks. To this end, we propose to implement a distributed route discovery algorithm and a practical energy-aware reaction model on the 25mm nodes. Triggered by the energy-warning events, the miniaturised Tyndall 10mm data collector nodes adaptively and periodically change their association to 25mm base station nodes, while 25mm nodes also change the inter-connections between themselves, which results in reconfiguration of the 25mm nodes tier topology. The distributed routing protocol uses combined weight functions to balance the sensor network traffic. A system level simulation is used to quantify the benefit of the route management framework when compared to other state of the art approaches in terms of the system power-saving.


THAWS Energy-aware Routing Energy model Sensor network