Paging and power saving in IEEE 802.11-enabled networks: a simulative study

  • Authors:
  • Marco Liebsch;Martina Zitterbart

  • Affiliations:
  • NEC Europe Ltd., Heidelberg, Germany;University of Karlsruhe, Karlsruhe, Germany

  • Venue:
  • Proceedings of the 9th ACM international symposium on Modeling analysis and simulation of wireless and mobile systems
  • Year:
  • 2006

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Abstract

Mobile communication systems increasingly adopt Internet Protocol solutions for transport of control and data traffic. To optimize scalability of the mobile communication infrastructure and to save mobile energy resources, mobile devices can set their network interface to power save mode, such as for instance supported by the IEEE 802.11 technology, and refrain from sending superfluous location information towards the network in case the device is idle. Such systems utilize paging to locate and reactivate mobile devices in power save mode. In this paper, we show how mobile terminal power saving efficiently complements IP paging in an IEEE 802.11-enabled network. By means of simulations, we evaluate and compare a mobile terminal's power consumption due to mobility management within a Mobile IPv6 network with and without paging and power save mode support. The results show that IP paging with complementary power save mode support harmonizes efficient location tracking with optimized energy resource usage, while taking requirements on routing delay constraints into account.