LIU Yanbing, GUO Wenxu. A Balanced Energy Depletion Strategy for the Energy Hole Problem in Wireless Sensor Networks[J]. Chinese Journal of Electronics, 2009, 18(3): 535-538.
Citation: LIU Yanbing, GUO Wenxu. A Balanced Energy Depletion Strategy for the Energy Hole Problem in Wireless Sensor Networks[J]. Chinese Journal of Electronics, 2009, 18(3): 535-538.

A Balanced Energy Depletion Strategy for the Energy Hole Problem in Wireless Sensor Networks

  • Received Date: 2008-05-01
  • Rev Recd Date: 2008-07-01
  • Publish Date: 2009-08-25
  • Wireless sensor networks suffer from unbalanced energydepletion since sensor nodes sitting around the sink need to carry moretraffic loads and thus would deplete energy faster, leading to what isknown as "energy hole" problem. This phenomenon is due to intrinsicmany-to-one traffic pattern of wireless sensor networks. In this paper,we deploy an analytical model to characterize the "energy hole" problemand describe an iterative process to determine the optimum value of themodel parameters. Then, we propose a balanced energy depletion strategybased on the derived optimal parameters to mitigate the "energy hole"problem. Finally, extensive simulations have been performed to validatethe analysis and the effectiveness of the energy strategy.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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