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Sensors 2015, 15(8), 20316-20354; doi:10.3390/s150820316

An Autonomous Self-Aware and Adaptive Fault Tolerant Routing Technique for Wireless Sensor Networks

Computer Systems Laboratory, Department of Computer Engineering, Chosun University, Gwangju Dongku SeoSuk Dong 375, Gwangju City 501-759, Korea
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Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Received: 16 June 2015 / Revised: 7 August 2015 / Accepted: 10 August 2015 / Published: 18 August 2015
(This article belongs to the Section Sensor Networks)

Abstract

We propose an autonomous self-aware and adaptive fault-tolerant routing technique (ASAART) for wireless sensor networks. We address the limitations of self-healing routing (SHR) and self-selective routing (SSR) techniques for routing sensor data. We also examine the integration of autonomic self-aware and adaptive fault detection and resiliency techniques for route formation and route repair to provide resilience to errors and failures. We achieved this by using a combined continuous and slotted prioritized transmission back-off delay to obtain local and global network state information, as well as multiple random functions for attaining faster routing convergence and reliable route repair despite transient and permanent node failure rates and efficient adaptation to instantaneous network topology changes. The results of simulations based on a comparison of the ASAART with the SHR and SSR protocols for five different simulated scenarios in the presence of transient and permanent node failure rates exhibit a greater resiliency to errors and failure and better routing performance in terms of the number of successfully delivered network packets, end-to-end delay, delivered MAC layer packets, packet error rate, as well as efficient energy conservation in a highly congested, faulty, and scalable sensor network. View Full-Text
Keywords: wireless sensor networks; autonomous self-awareness and adaptive; routing technique; fault tolerant; route repair; self-healing; ASAART wireless sensor networks; autonomous self-awareness and adaptive; routing technique; fault tolerant; route repair; self-healing; ASAART
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

Abba, S.; Lee, J.-A. An Autonomous Self-Aware and Adaptive Fault Tolerant Routing Technique for Wireless Sensor Networks. Sensors 2015, 15, 20316-20354.

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