Performance of mobile telecommunications network with overlapping location area configuration

Shun Ren Yang*, Yung Chun Lin, Yi-Bing Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


In a mobile telecommunications network, the location area (LA) of a mobile station (MS) is tracked by an LA update (LAU) mechanism. To reduce the LAU traffic caused by the ping-pong effect, the overlapping LA concept is introduced. In the overlapping LA configuration, an LA selection policy is required to select the new LA at an LAU when the MS enters a new cell covered by multiple LAs. This paper describes four LA selection policies and proposes an analytic model to study the performance of these LA selection policies. Our study provides guidelines to determine an appropriate degree of overlapping among the LAs.

Original languageEnglish
Pages (from-to)1285-1292
Number of pages8
JournalIEEE Transactions on Vehicular Technology
Issue number2
StatePublished - 1 Mar 2008


  • Location area (LA)
  • Location update
  • Mobility management
  • Overlapping LA
  • Ping-pong effect

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