IP connectivity for gateway gprs support node

Yuan Kai Chen*, Yi-Bing Lin

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

15 Scopus citations


In the Universal Mobile Telecommunications System, the gateway GPRS support node (GGSN) provides IP connection between the mobile telecommunications network and external packet data networks (e.g., the Internet). Specifically, the GGSN exercises session management to transfer user packets between mobile stations and external data networks. In this article we focus on the GGSN functions for IP connection including access point name processing, IP address allocation, tunneling technologies, and QoS management. Based on our experience as a mobile operator, we give several examples to show how these functions can actually be implemented in a commercial mobile network.

Original languageEnglish
Pages (from-to)37-46
Number of pages10
JournalIEEE Wireless Communications
Issue number1
StatePublished - 1 Feb 2005

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