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Sensors 2015, 15(8), 20373-20391;

Fuzzy Logic-Based Guaranteed Lifetime Protocol for Real-Time Wireless Sensor Networks

College of Technological Innovation, Zayed University, Abu Dhabi 19282, UAE
Department of Informatics, Research Center for Aerospace Parts Technology, Gyeongsang National University, GyeongNam 52828, Korea
Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Received: 25 March 2015 / Revised: 21 July 2015 / Accepted: 11 August 2015 / Published: 18 August 2015
(This article belongs to the Section Sensor Networks)
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Few techniques for guaranteeing a network lifetime have been proposed despite its great impact on network management. Moreover, since the existing schemes are mostly dependent on the combination of disparate parameters, they do not provide additional services, such as real-time communications and balanced energy consumption among sensor nodes; thus, the adaptability problems remain unresolved among nodes in wireless sensor networks (WSNs). To solve these problems, we propose a novel fuzzy logic model to provide real-time communication in a guaranteed WSN lifetime. The proposed fuzzy logic controller accepts the input descriptors energy, time and velocity to determine each node’s role for the next duration and the next hop relay node for real-time packets. Through the simulation results, we verified that both the guaranteed network’s lifetime and real-time delivery are efficiently ensured by the new fuzzy logic model. In more detail, the above-mentioned two performance metrics are improved up to 8%, as compared to our previous work, and 14% compared to existing schemes, respectively. View Full-Text
Keywords: wireless sensor networks; real-time; fuzzy logic; routing wireless sensor networks; real-time; fuzzy logic; routing

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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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Shah, B.; Iqbal, F.; Abbas, A.; Kim, K.-I. Fuzzy Logic-Based Guaranteed Lifetime Protocol for Real-Time Wireless Sensor Networks. Sensors 2015, 15, 20373-20391.

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