Publication Type:

Conference Proceedings

Source:

The 3rd IEEE International Conference on Mobile Adhoc and Sensor Systems (MASS), IEEE, Vancouver, Canada, p.316-325 (2006)

URL:

ieeexplore.ieee.org/abstract/document/4053917/

Keywords:

Computer networks, Distributed Computing, Laser Radar, Monitoring, Oceans, Petroleum, Radar Tracking, Remote sensing, Sensor phenomena and characterization, Space exploration

Abstract:

We examine the problem of determining boundaries occurring in natural phenomena using sensor networks. Sensor nodes remotely collect data about various points on the boundary. From this data, we estimate the boundary along with the confidence intervals using a regression relationship among sensor locations and the distances to the boundary. The confidence intervals are guaranteed to be narrower than a specified maximum width. Our distributed boundary estimation strategy uses a hierarchical structure of clusters of sensor nodes and requires 20-50% less messages as compared to a centralized scheme. The computed intervals show desired coverage of the true boundary points. Further, motivated by the practical need to estimate the boundary with a minimum number of sensors, we develop an adaptive approach for turning sensors on and off. The number of ON sensors in this scheme is only about 15% more than what a practical Oracle needs, to evaluate the boundary and confidence intervals around it. Our algorithms are also evaluated using data from real sensors on a testbed

Cite this Research Publication

S. Duttagupta, Ramamritham, K., and Ramanathan, P., “Distributed Boundary Tracking Using Sensor Networks”, The 3rd IEEE International Conference on Mobile Adhoc and Sensor Systems (MASS). IEEE, Vancouver, Canada, pp. 316-325, 2006.

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