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http://dx.doi.org/10.5573/ieie.2014.51.6.169

Mixed Deployment Methods for Reinforcing Connectivity of Sensor Networks  

Heo, Nojeong (Dept. of Info. and Comm. Eng., Dong Yang Univ.)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.51, no.6, 2014 , pp. 169-174 More about this Journal
Abstract
Practical deployment methods for sensor nodes are demanding as applications using sensor nodes increase. In particular, node connectivity is crucial not only for the network longevity but also for direct impacts on sensing and data collection capability. Economic requirement at building sensor networks and often limited access for sensor fields due to hostile environment force to remain at random deployment from air. However, random deployment often result in lost connection problem and inefficient network topology issue due to node irregularity. In this paper, mixed deployment of key nodes that have better communication capability is proposed to support the original deployment into working in an efficient way. Node irregularity is improved by introducing mixed nodes and an efficient mixed node density is also analyzed. Simulation results show that the mixed deployment method has better performance than the existing deployment methods.
Keywords
Sensor Networks Deployment; Node Connectivity; Sensing Coverage; Mixed Deployment;
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Times Cited By KSCI : 2  (Citation Analysis)
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