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Sensors 2015, 15(10), 24735-24770; doi:10.3390/s151024735

ResilientWireless Sensor Networks Using Topology Control: A Review

Centro de Investigación en Tecnologías Software y Sistemas Multimedia para la Sostenibilidad (CITSEM), Campus Sur Universidad Politécnica de Madrid (UPM), Ctra. de Valencia, km. 7. 28031 Madrid, Spain
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Academic Editor: Leonhard Reindl
Received: 6 June 2015 / Revised: 14 August 2015 / Accepted: 8 September 2015 / Published: 25 September 2015
(This article belongs to the Special Issue Integrated Intelligent Sensory Systems with Self-x Capabilities)
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Abstract

Wireless sensor networks (WSNs) may be deployed in failure-prone environments, and WSNs nodes easily fail due to unreliable wireless connections, malicious attacks and resource-constrained features. Nevertheless, if WSNs can tolerate at most losing k - 1 nodes while the rest of nodes remain connected, the network is called k - connected. k is one of the most important indicators for WSNs’ self-healing capability. Following a WSN design flow, this paper surveys resilience issues from the topology control and multi-path routing point of view. This paper provides a discussion on transmission and failure models, which have an important impact on research results. Afterwards, this paper reviews theoretical results and representative topology control approaches to guarantee WSNs to be k - connected at three different network deployment stages: pre-deployment, post-deployment and re-deployment. Multi-path routing protocols are discussed, and many NP-complete or NP-hard problems regarding topology control are identified. The challenging open issues are discussed at the end. This paper can serve as a guideline to design resilient WSNs. View Full-Text
Keywords: wireless sensor networks; fault-tolerant; resilience; self-healing; fault tolerance; topology control wireless sensor networks; fault-tolerant; resilience; self-healing; fault tolerance; topology control
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Huang, Y.; Martínez, J.-F.; Sendra, J.; López, L. ResilientWireless Sensor Networks Using Topology Control: A Review. Sensors 2015, 15, 24735-24770.

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