Energy-Efficient Dynamic Spatial Resolution Control for Wireless Sensor Clusters

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Executive Summary

In very large-scale dense sensor network applications, more sensor nodes may be deployed than are required to provide the initial desired spatial resolution. Such over-deployment can extend network life, improve robustness, and accommodate network dynamic. To enable large deployments, tiered and clustered network structures may be adopted for scalability and manageability. This paper presents a highly scalable, distributed control method to manage the activity of sensors in each cluster so that dynamic application-specific spatial resolution requirement can be achieved with minimum energy cost and with uniform participation of sensors.

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