Báo cáo hóa học: "Research Article Pre-Authentication Schemes for UMTS-WLAN Interw"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Research Article Pre-Authentication Schemes for UMTS-WLAN Interworking | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2009 Article ID 806563 16 pages doi 2009 806563 Research Article Pre-Authentication Schemes for UMTS-WLAN Interworking Ali Al Shidhani and Victor C. M. Leung Department of Electrical and Computer Engineering University of British Columbia 2332 Main Mall Vancouver BC Canada V6T1Z4 Correspondence should be addressed to Ali Al Shidhani alia@ Received 31 January 2009 Accepted 30 April 2009 Recommended by Yang Xiao Interworking Universal Mobile Telecommunication System UMTS and IEEE Wireless Local Area Networks WLANs introduce new challenges including the design of secured and fast handover protocols. Handover operations within and between networks must not compromise the security of the networks involved. In addition handovers must be instantaneous to sustain the quality of service QoS of the applications running on the User Equipment UE . There is a need to design fast and secured handover protocols to operate in UMTS-WLAN interworking architectures. This paper proposes two secured pre-authentication protocols in the UMTS-WLAN interworking architectures. Performance analysis ofthe proposed protocols show superior results in comparison to existing protocols in terms of authentication signaling cost authentication delay and load on critical nodes involved in the authentication procedure. Additionally the security of the proposed protocols was verified by the Automated Validation of Internet Security Protocols and Applications AVISPA security analyzer. Copyright 2009 A. Al Shidhani and V. C. M. Leung. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. 1. Introduction UMTS-WLAN interworking is being widely considered by cellular service providers because of its advantages for both end users and .

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