Abstract
Wireless sensor networks (WSN) are composed of a large number of sensor nodes and usually used to monitor a region of interest. The sensor nodes are very prone to damage due to low-cost design and random deployment. Additionally, faulty nodes may degrade the performance of the distributed hypothesis testing. This work addresses fault isolation in WSN where the fusion center attempts to identify faulty nodes through temporal sequences of received local decisions. Owing to the processor, memory, and power constraints in embedded systems, the employed method should be as simple as possible. Therefore, the primary goal of this investigation is to design a low-complexity sensor fault detection scheme, which can detect most sensor faults by using the majority voting technique. The simulation results show the proposed approach is effective in terms of identifying faulty members in a distributed sensor network.
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Wu, JY., Duh, DR., Wang, TY., Chang, LY. (2007). Fast and Simple On-Line Sensor Fault Detection Scheme for Wireless Sensor Networks. In: Kuo, TW., Sha, E., Guo, M., Yang, L.T., Shao, Z. (eds) Embedded and Ubiquitous Computing. EUC 2007. Lecture Notes in Computer Science, vol 4808. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77092-3_39
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DOI: https://doi.org/10.1007/978-3-540-77092-3_39
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-77091-6
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