NDLI: Autonomous discovery and repair of damage in Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Truong, T.T. Brown, K.N. Sreenan, C.J.
Copyright Year	2013
Description	Author affiliation: Dept. of Comput. Sci., Univ. Coll. Cork, Cork, Ireland (Truong, T.T.; Brown, K.N.; Sreenan, C.J.)
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.
Starting Page	450
Ending Page	458
File Size	729752
Page Count	9
File Format	PDF
ISSN	07421303
e-ISBN	9781479905379
DOI	10.1109/LCN.2013.6761278
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-21
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Maintenance engineering Radio link Planning Robot sensing systems Probes Runtime Barium
Content Type	Text
Resource Type	Article

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