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12th Annual Meeting of China Association for Science and Technology on Information and Communication Technology and Smart Grid (AMCST 2010 E-BOOK)

Fuzhou,China,11.1-11.3，2010

ISBN: 978-1-935068-23-5 Scientific Research Publishing, USA

E-Book 660pp Pub. Date: November 2010

Category: Computer Science & Communications

Price: $120

Title: Local Distributed Fault Detection in Wireless Mesh Network
Source: 12th Annual Meeting of China Association for Science and Technology on Information and Communication Technology and Smart Grid (AMCST 2010 E-BOOK) (pp 358-361)
Author(s): Hong-jian Li, Department of Network Engineering, School of Computer Science, National University of Defense Technology Changsha, China
Ming Xu, Department of Network Engineering, School of Computer Science, National University of Defense Technology Changsha, China
Abstract: Wireless mesh networks (WMNs) offer an easy and economical alternative for providing broadband wireless Internet connectivity, but fault in WMN might lead to a sharp decline in network performance. Existing works on fault detection often face the following problems: they are either offline detection that can not detect the fault in real-time, introduce additional overload or cannot distinguish the causes of the fault. We proposed local distributed fault detection algorithms in wireless mesh network that does not have such drawbacks. Firstly, we analyzed faults of link congestion, hidden terminals and noise interference in depth. Then the local distributed fault detection algorithms were proposed in the paper according to the different characters of faults. Finally, the theoretical analysis, simulation and experiments in platform were made to evaluate the algorithms. The results of analysis and simulations and experiments in platform show that the proposed algorithms perform well for the fault detection in WMNs with low cost.
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