Autonomous discovery and repair of damage in Wireless Sensor Networks
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Date
2013-10
Authors
Truong, Thuy T.
Brown, Kenneth N.
Sreenan, Cormac J.
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Volume Title
Publisher
IEEE
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Abstract
Wireless Sensor Networks in volatile environments may suffer damage, and connectivity must be restored. The repairing agent must discover surviving nodes and damage to the physical and radio environment as it moves around the sensor field to execute the repair. We compare two approaches, one which re-generates a full plan whenever it discovers new knowledge, and a second which attempts to minimise the required number of new radio nodes. We apply each approach with two different heuristics, one which attempts to minimise the cost of new radio nodes, and one which aims to minimise the travel distance. We conduct extensive simulation-based experiments, varying key parameters, including the level of damage suffered, and comparing directly with the published state-of-the-art. We quantify the relative performance of the different algorithms in achieving their objectives, and also measure the execution times to assess the impact on being able to make autonomous decisions in reasonable time.
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Keywords
Maintenance engineering , Radio link , Planning , Robot sensing systems , Probes , Runtime , Barium , Wireless sensor networks , Telecommunication network reliability , Surviving nodes , Autonomous discovery , Damage repair , Radio environment , Sensor field , Radio nodes , Heuristics , Travel distance minimization , Autonomous decision making
Citation
Truong, T. T., Brown, K. N. and Sreenan, C. J. (2013) 'Autonomous discovery and repair of damage in Wireless Sensor Networks', 38th Annual IEEE Conference on Local Computer Networks, Sydney, NSW, Australia, 21-24 Oct. 2013, pp. 450-458. doi: 10.1109/LCN.2013.6761278
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