Efficient 3G/WLAN interworking techniques for seamless roaming services with location-aware authentication

Authors:
Minsoo Lee;Gwanyeon Kim;Sehyun Park;Sungik Jun;Jaehoon Nah;Ohyoung Song
Affiliations:
School of Electrical and Electronics Engineering, Chung-Ang University, Seoul, Korea;School of Electrical and Electronics Engineering, Chung-Ang University, Seoul, Korea;School of Electrical and Electronics Engineering, Chung-Ang University, Seoul, Korea;Electronics and Telecommunications Research Institute, Daejeon, Korea;Electronics and Telecommunications Research Institute, Daejeon, Korea;School of Electrical and Electronics Engineering, Chung-Ang University, Seoul, Korea
Venue:
NETWORKING'05 Proceedings of the 4th IFIP-TC6 international conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication Systems
Year:
2005

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Abstract

This paper proposes novel concepts and architectures for location-aware seamless authentication and roaming in the new interworking system between third-generation (3G) mobile networks and wireless local area networks (WLANs) where local mobility movements (micro-mobility) are handled together with global movements (macro-mobility). We introduce location as a key context in secure roaming mechanism for context-aware interworking. The fast secure roaming with location-aware authentication is implemented at an entity called LBS Broker that utilizes the concepts of direction of user and pre-warming zone. We present the interworking techniques with LBS Broker for seamless secure WLAN/3G integration enabling to meet the requirements of the future location-aware service scenarios. Performance evaluation is also presented to demonstrate the effectiveness of the proposed scheme for fast location-aware secure roaming.