An Adaptive Energy Saving Mechanism for the IEEE 802.15.4 LR-WPAN

  • Dong-Hoon Cho
  • Jung-Hoon Song
  • Ki-Jun Han
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4138)

Abstract

In this paper, an energy saving mechanism is proposed for the IEEE 802.15.4 Low-Rate Personal Area Network (LR-PAN). In the current version of IEEE 802.15.4 standard, each node can enter the sleep mode only during the inactive portion of superframe. In our scheme, the coordinator dynamically determines duty cycle and adjusts the interval of sleep mode by varying BO (Beacon Order) based on the arrival rate of packets in the network observed. Analytical results show that our scheme with a proper adjustment of BO can increase the average sleep time and shorten the energy consumption.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Dong-Hoon Cho
    • 1
  • Jung-Hoon Song
    • 1
  • Ki-Jun Han
    • 1
  1. 1.Department of Computer EngineeringKyungpook National UniversityKorea

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