Mobility models for mobility management

  • Authors:
  • Vicente Casares-Giner;Vicent Pla;Pablo Escalle-García

  • Affiliations:
  • ITACA-Universidad Politécnica de Valencia, Valencia Spain;ITACA-Universidad Politécnica de Valencia, Valencia Spain;ITACA-Universidad Politécnica de Valencia, Valencia Spain

  • Venue:
  • Network performance engineering
  • Year:
  • 2011

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Abstract

The main goals of today's wireless mobile telecommunication systems are to provide both, mobility and ubiquity to mobile terminals (MTs) with a required quality of service. By ubiquity we understand the ability of a MT to be connected to the network anytime, anywhere, regardless of the access channel's characteristics. In this chapter we deal with mobility aspects. We provide some basic background on mobility models that are being used in performance evaluation of relevant mobility management procedures, such as handover and location update. For handover, and consequently for channel holding time, we revisit the characterization of the cell residence time. Then, based on those previous results, models for the location area residence time are built. Cell residence time can be seen as a micro-mobility parameter while the latter can be considered as a macro-mobility parameter; and both have a significant impact on the handover and location update algorithms.