Wireless Internet access of the visited mobile ISP subscriber on GPRS/UMTS network

Authors:
Jeong-Hyun Park
Affiliations:
ETRI
Venue:
IEEE Transactions on Consumer Electronics
Year:
2003

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Abstract

In this paper we illustrate how the visiting mobile ISP subscriber can access the home ISP via Gateway GPRS Support Node (GGSN) on the GPRS/UMTS network. We show the wireless Internet access model for the visiting ISP subscriber using dynamic IP in the home ISP based on the GPRS network, and there was a core network testbed and protocol stack, information flow, operation, and parameters of signaling messages for wireless Internet access of the visiting ISP subscriber. We implement SGSN, GGSN, and ISP servers such as RADIUS, Web server, DHCP for simulation and simulated GPRS functions, Internet services, and performance of IP-in-IP between GGSN and ISP web server using our core network testbed with RAN simulator. We also propose some implementation ideas for wireless Internet access of visiting ISP subscribers using dynamic IP in home ISP based on the GPRS/UMTS network.