Please use this identifier to cite or link to this item: https://doi.org/10.1109/SAHCN.2007.4292830
Title: Coverage protocol for wireless sensor networks using distance estimates
Authors: Zhang, M. 
Chan, M.C. 
Ananda, A.L. 
Issue Date: 2007
Citation: Zhang, M., Chan, M.C., Ananda, A.L. (2007). Coverage protocol for wireless sensor networks using distance estimates. 2007 4th Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks, SECON : 183-192. ScholarBank@NUS Repository. https://doi.org/10.1109/SAHCN.2007.4292830
Abstract: In wireless sensor networks, it is desirable to maintain good sensing coverage while keeping the number of active sensor nodes small to achieve long system lifetime. Existing coverage algorithms assume some form of localization and that complete coverage is needed. Our work is motivated by two observations. First, localization is expensive, error-prone and not required for a coverage algorithm. Instead, coverage algorithm can be designed using only distance information between two nodes. Second, complete coverage can lead to excessive redundancy, resulting in inefficiency in terms of active nodes needed. In this paper, we first present a scheme that estimates the distance between any two neighboring nodes using only local information. We then present CCP, a configurable coverage protocol that requires only neighbor distance information. CCP can be configured such that at least a portion of the area will be covered by active nodes with high probability, where α is a tunable parameter. In addition, CCP achieves similar performance to OGDC [1] in terms of coverage and active nodes required. Compare to OGDC, CCP offers the flexibility to trade-off between coverage and nodes required. By setting the coverage objective to 90%, about 22% node savings can be achieved. © 2007 IEEE.
Source Title: 2007 4th Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks, SECON
URI: http://scholarbank.nus.edu.sg/handle/10635/42083
ISBN: 1424412684
DOI: 10.1109/SAHCN.2007.4292830
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