A novel loose coupling interworking scheme between UMTS and WLAN systems for multihomed mobile stations

Authors:
Yang Li;Kang-Won Lee;Ju-Eun Kang;You-Ze Cho
Affiliations:
Kyungpook National University, Daegu, South Korea;Kyungpook National University, Daegu, South Korea;Kyungpook National University, Daegu, South Korea;Kyungpook National University, Daegu, South Korea
Venue:
Proceedings of the 5th ACM international workshop on Mobility management and wireless access
Year:
2007

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Abstract

A standard Mobile IP can not be directly used with multihomed mobile stations. Accordingly, this paper presents an immediate solution to integrate UMTS and WLAN systems based on a loose coupling interworking architecture. This interworking scheme resolves the problems with dual-interfaced nodes through only configuring the Mobile IP on the WLAN foreign network. In addition, the proposed scheme uses simple filter mechanisms to realize the benefits of a multihomed configuration. The proposed loose-coupling interworking architecture and design principles are validated using the OPNET simulator.