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Availability Considerations for Wireless Sensor Grids

  • Ali Hammad Akbar
  • Ki-Hyung Kim
  • Seung-Jin Bang
  • Waleed Mansoor
  • Won-Sik Yoon
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3947)

Abstract

In this paper, we derive and analyze network availability for sensor grids by considering an elaborate energy consumption model. Sensor grids that form chain topologies are compared for two widely known grid traversal models, namely staircase and Delannoy number. Based upon the mathematical model, we analyze two sleep modes, viz, synchronous and asynchronous for their effects on the network availability of sensor grids with regard to energy conservation and packet loss. We also propose a non-uniform, asynchronous sleep scheme in sensor grids which allows nodes to sleep in a manner such that nodes closer to the gateway sleep less than the nodes in the fringes. The performance results show that the proposed scheme prolongs network availability effectively in sensor grids.

Keywords

Sensor Network Sensor Node Wireless Sensor Network Sleep Mode Sleep Schedule 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Ali Hammad Akbar
    • 1
  • Ki-Hyung Kim
    • 1
  • Seung-Jin Bang
    • 2
  • Waleed Mansoor
    • 1
  • Won-Sik Yoon
    • 3
  1. 1.Graduate School of Information and CommunicationAjou UniversitySuwonKorea
  2. 2.Dept. of MathematicsAjou UniversitySuwonKorea
  3. 3.School of Electrical EngineeringAjou UniversitySuwonKorea

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