Efficient and flexible location management techniques for wireless communication systems

  • Authors:

  • Jan Jannink;Derek Lam;Narayanan Shivakumar;Jennifer Widom;Donald C. Cox

  • Affiliations:

  • Departments of Computer Science & Electrical Engineering, Stanford University, Stanford, CA;Departments of Computer Science & Electrical Engineering, Stanford University, Stanford, CA;Departments of Computer Science & Electrical Engineering, Stanford University, Stanford, CA;Departments of Computer Science & Electrical Engineering, Stanford University, Stanford, CA;Departments of Computer Science & Electrical Engineering, Stanford University, Stanford, CA

  • Venue:
  • Wireless Networks - Special issue: mobile computing and networking: selected papers from MobiCom '96
  • Year:
  • 1997

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Abstract

We consider the problem of managing the information required to locate users in a wireless communication system, with a focus on designing and evaluating location management techniques that are efficient, scalable, and flexible. The three key contributions of this paper are: (1) a family of location management techniques, HiPER (for Hierarchical ProfilE Replication), that efficiently provide life-long (non-geographic) numbering with fast location lookup; (2) Pleiades, a scalable event-driven wireless system simulator with realistic calling and mobility patterns derived from several months of real traffic traces; and (3) multi-day simulations comparing our proposed location management techniques with current and previously proposed techniques on a realistic geographical and network topology.