Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32407
Title: Coverage analysis for wireless sensor networks
Authors: Liu, M
Cao, J 
Lou, W 
Chen, LJ
Li, X
Issue Date: 2005
Publisher: Springer
Source: Lecture notes in computer science (including subseries Lecture notes in artificial intelligence and lecture notes in bioinformatics), 2005, v. 3794 LNCS, p. 711-720 How to cite?
Journal: Lecture notes in computer science (including subseries Lecture notes in artificial intelligence and lecture notes in bioinformatics) 
Abstract: The coverage problem in wireless sensor networks (WSNs) is to determine the number of active sensor nodes needed to cover the sensing area. The purpose is to extend the lifetime of the WSN by turning off redundant nodes. In this paper, we propose a mathematical model for coverage analysis of WSNs. Based on the model, given the ratio of the sensing range of a sensor node to the range of the entire deployment area, the number of the active nodes needed to reach the expected coverage can be derived. Different from most existing works, our approach does not require the knowledge about the locations of sensor nodes, thus can save considerably the cost of hardware and the energy consumption on sensor nodes needed for deriving and maintaining location information. We have also carried out an experimental study by simulations. The analytical results are very close to the simulations results. The proposed method can be widely applied to designing protocols for handling sensor deployment, topology control and other issues in WSNs.
Description: 1st International Conference on Mobile Ad-hoc and Sensor Networks, MSN 2005, Wuhan, 13-15 December 2005
URI: http://hdl.handle.net/10397/32407
ISBN: 3540308563
9783540308560
ISSN: 0302-9743
EISSN: 1611-3349
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