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Sensors 2015, 15(10), 24735-24770;

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
Author to whom correspondence should be addressed.
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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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

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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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