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Authors: Ailin Zhou and Mario A. Nascimento

Affiliation: University of Alberta, Canada

Keyword(s): Fault Recovery, Wireless Sensor Networks, Useful Network Lifetime.

Related Ontology Subjects/Areas/Topics: Data Manipulation ; Data Quality and Integrity ; Fault Tolerance and Diagnosis ; Obstacles ; Sensor Networks

Abstract: In wireless sensor networks (WSNs), sensor nodes may fail due to energy depletion or physical damage. To avoid data loss and incomplete query results when node failure takes place, we propose a node failure recovery scheme which can recover the data of failed nodes. Our scheme incorporates data redundancy and distributes, in an effective and storage efficient manner, redundant information among nodes in the WSN. When a node fails, the remaining functioning sensors can use the redundant information regarding the failed node to recover its data. An energy consumption model is also presented for calculating the communication cost of the proposed scheme. We use simulations to compare the network lifetime with and without recovery being involved, where the network lifetime is defined as the time that a node failure is observed and its data can not be recovered. Our experimental results show that the recovery scheme can yield a lifetime up to three times longer than that of no-recovery sch eme. (More)

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Paper citation in several formats:
Zhou, A. and A. Nascimento, M. (2014). RAID’ing Wireless Sensor Networks - Data Recovery for Node Failures. In Proceedings of the 3rd International Conference on Sensor Networks - SENSORNETS, ISBN 978-989-758-001-7; ISSN 2184-4380, pages 298-308. DOI: 10.5220/0004672702980308

@conference{sensornets14,
author={Ailin Zhou. and Mario {A. Nascimento}.},
title={RAID’ing Wireless Sensor Networks - Data Recovery for Node Failures},
booktitle={Proceedings of the 3rd International Conference on Sensor Networks - SENSORNETS,},
year={2014},
pages={298-308},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004672702980308},
isbn={978-989-758-001-7},
issn={2184-4380},
}

TY - CONF

JO - Proceedings of the 3rd International Conference on Sensor Networks - SENSORNETS,
TI - RAID’ing Wireless Sensor Networks - Data Recovery for Node Failures
SN - 978-989-758-001-7
IS - 2184-4380
AU - Zhou, A.
AU - A. Nascimento, M.
PY - 2014
SP - 298
EP - 308
DO - 10.5220/0004672702980308