How to construct random functions
Journal of the ACM (JACM)
Fast authentication methods for handovers between IEEE 802.11 wireless LANs
Proceedings of the 2nd ACM international workshop on Wireless mobile applications and services on WLAN hotspots
ACM SIGMOBILE Mobile Computing and Communications Review
SAP: seamless authentication protocol for vertical handoff in heterogeneous wireless networks
QShine '06 Proceedings of the 3rd international conference on Quality of service in heterogeneous wired/wireless networks
A Multi-Interface Proposal for IEEE 802.21 Media Independent Handover
ICMB '07 Proceedings of the International Conference on the Management of Mobile Business
Trust-Assisted Handover Approach in Hybrid Wireless Networks
Wireless Personal Communications: An International Journal
Efficient authentication and key distribution in wireless IP networks
IEEE Wireless Communications
Proactive key distribution using neighbor graphs
IEEE Wireless Communications
Mutual Authentication and Key Exchange Protocols for Roaming Services in Wireless Mobile Networks
IEEE Transactions on Wireless Communications
Challenges in the migration to 4G mobile systems
IEEE Communications Magazine
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In heterogeneous wireless networks, a mobile user may have to perform handover across different network domains to maintain its data connection and quality of service. During a handover, an authentication to the mobile's home network is normally required. This may incur significant handover delay. Several fast authentication solutions based on pre-distributing security contexts between access domains have been proposed to improve handover performance. However, none of them work for a handover between two access domains without a trust relation, which can be common in a multi-operator environment. This paper presents a Proxy-Based Authentication Localisation (PBAL) scheme for handover between non trust-associated domains. The proposed PBAL scheme provides a secure and flexible means of localising authentication at a third-party entity close to visited network. This effectively avoids resorting to a mobile's home network for identity verification in a handover. Consequently, it fundamentally reduces authentication latency incurred in a inter-domain handover. The PBAL scheme does not need any changes to be made to access routers, and can be easily deployed and implemented in a cost-effective manner.