Design and evaluation of UMTS-WLAN interworking strategies

Shiao-Li Tsao, Chia Ching Lin

Research output: Contribution to journalArticle

65 Scopus citations

Abstract

High tier wireless systems such as GPRS and UMTS provide users high mobility but less bandwidth. On the other hand, low tier wireless systems such as Wireless LAN offer high bandwidth with less mobility. To support seamless roaming between heterogeneous wireless networks is regarded as one of the key issues in the future mobile communication system. The paper presents the design and evaluation of three possible UMTS-WLAN interworking strategies, i.e. mobile IP approach, gateway approach, and emulator approach based on the current UMTS, WLAN and Mobile IP specifications. Recommendations to UMTS-WLAN interworking strategies according to different deployment scenarios are also discussed in this paper.

Original languageEnglish
Article number30
Pages (from-to)777-781
Number of pages5
JournalIEEE Vehicular Technology Conference
Volume56
Issue number2
DOIs
StatePublished - 1 Jan 2002

Keywords

  • Heterogeneous wireless network
  • Interworking
  • UMTS (Universal Mobile Telecommunication System)
  • WLAN (Wireless LAN)

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