Exploiting Mobility for Energy Efficient Data Collection in Wireless Sensor Networks
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We analyze an architecture based on mobility to address the problem of energy efficient data collection in a sensor network. Our approach exploits mobile nodes present in the sensor field as forwarding agents. As a mobile node moves in close proximity to sensors, data is transferred to the mobile node for later depositing at the destination. We present an analytical model to understand the key performance metrics such as data transfer, latency to the destination, and power. Parameters for our model include: sensor buffer size, data generation rate, radio characteristics, and mobility patterns of mobile nodes. Through simulation we verify our model and show that our approach can provide substantial savings in energy as compared to the traditional ad-hoc network approach.
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Mobile Networks and Applications
Volume 11, Issue 3 , pp 327-339
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- Kluwer Academic Publishers
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- stochastic processes
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- 1. Computer Science and Engineering, University of Washington, Box 352350, Seattle, WA, 98195
- 2. University of California, 2108 Allston Way, Suite 200, Berkeley, CA, 94704
- 3. Department of Electrical Engineering, University of Washington, Box 352500, Seattle, WA, 98195