Exploiting mobility for energy efficient data collection in wireless sensor networks

  • Authors:

  • Sushant Jain;Rahul C. Shah;Waylon Brunette;Gaetano Borriello;Sumit Roy

  • Affiliations:

  • Computer Science and Engineering, University of Washington, Seattle, WA;University of California, Suite, Berkeley, CA;Computer Science and Engineering, University of Washington, Seattle, WA;Computer Science and Engineering, University of Washington, Seattle, WA;Department of Electrical Engineering, University of Washington, Seattle, WA

  • Venue:
  • Mobile Networks and Applications
  • Year:
  • 2006

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Abstract

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.