A SIP-based roaming protocol for heterogeneous multi-operator wireless networks

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Abstract

The evolution of unlicensed wireless technologies such as WiFi or WiMAX have influenced next generation networks to adopt them as extensions of cellular networks. Nowadays, it is not surprising to see heterogeneous wireless networks coexisting on a daily basis i.e. UMTS, WiFi, and WiMAX. Unfortunately, some technical issues and the lack of roaming agreements between network operators prevent interoperability. One of the goals of the so-called wireless convergence is to enable service mobility between heterogeneous wireless networks. In this context, we propose in this article a SIP-based Roaming Signaling protocol for heterogeneous multi-operator wireless networks. Our objective is to provide QoS-aware heterogeneous roaming in multi-operator environments with minimal changes in current wireless architectures.

Original languageEnglish
Title of host publicationProceedings of the 7th IASTED International Conferences on Wireless and Optical Communications, WOC 2007
PublisherActa Press
Pages495-500
Number of pages6
ISBN (Print)9780889866591
Publication statusPublished - 1 Jan 2007
Event7th IASTED International Conferences on Wireless and Optical Communications, WOC 2007 - Montreal, QC, Canada
Duration: 30 May 20071 Jun 2007

Publication series

NameProceedings of the 7th IASTED International Conferences on Wireless and Optical Communications, WOC 2007

Conference

Conference7th IASTED International Conferences on Wireless and Optical Communications, WOC 2007
Country/TerritoryCanada
CityMontreal, QC
Period30/05/071/06/07

Keywords

  • Broker-based architectures
  • Heterogeneous roaming
  • Next generation wireless
  • SIP
  • Wireless convergence

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