Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.pmcj.2009.07.009
Title: Connectivity monitoring in wireless sensor networks
Authors: Zhang, M. 
Chan, M.C. 
Ananda, A.L. 
Keywords: Bloom filter
Connectivity
Hashing
Issue Date: 2010
Source: Zhang, M., Chan, M.C., Ananda, A.L. (2010). Connectivity monitoring in wireless sensor networks. Pervasive and Mobile Computing 6 (1) : 112-127. ScholarBank@NUS Repository. https://doi.org/10.1016/j.pmcj.2009.07.009
Abstract: Connectivity monitoring is useful in practical deployment of wireless sensor network. In order to understand the behavior and performance bottleneck, knowledge of the network connectivity is crucial. In this paper, we propose a flexible and efficient connectivity monitoring algorithm (H 2CM) that has three components and operates in a divide-and-conquer manner. The components include hop vector distance based filtering, Bloom filters and signature hashing and are designed to work with different combinations of network and neighbor set sizes. In simulation, communication cost reduction of H 2CM compare to maximal compression of neighborhood information varies from 65% to 85% for large networks (>1000 nodes) and from 40% to 70% for a medium size network (a few hundred nodes). We have also implemented the algorithm in TinyOS and evaluated its performance on a testbed with 34 motes. Lastly, we study the problem of node failure detection - a simple application of connectivity monitoring. We show that by combining H 2CM with the concept of dominating set, the communication cost can be drastically reduced compare to traditional data collection method. © 2009 Elsevier B.V. All rights reserved.
Source Title: Pervasive and Mobile Computing
URI: http://scholarbank.nus.edu.sg/handle/10635/39325
ISSN: 15741192
DOI: 10.1016/j.pmcj.2009.07.009
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