Data acquisition in multiple-sink sensor networks

Authors:
Abhimanyu Das;Debojyoti Dutta
Affiliations:
University of Southern California, Los Angeles, CA;University of Southern California, Los Angeles, CA
Venue:
ACM SIGMOBILE Mobile Computing and Communications Review
Year:
2005

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Abstract

Scalable, energy-efficient data acquisition in large sensor network deployments such as habitat monitoring is an research important problem. In several papers [1, 2], sensor networks have been modeled as having a single sink (or base-station) that acts as the data recipient for a large number of sensors (data sources) deployed over a sensor field. The sensor network might use simple querying and data collection trees for hop-by-hop query dissemination and routing of sensor responses [1] back towards the sink. Since sensors are energy-constrained devices, we wish to minimize communication energy expenditure of these sensors.