NDLI: Implementation of fast handovers and additional authentication in GSM/UMTS for high-speed users

Content Provider	IEEE Xplore Digital Library
Author	Kastell, K. Jakoby, R.
Copyright Year	2005
Description	Author affiliation: Technische Univ. Darmstadt (Kastell, K.; Jakoby, R.)
Abstract	We analyze how to speed-up handover in GSM and UMTS. There are several reasons to speed up handovers. On one hand these systems face problems with high-speed users, e.g. those moving in a high-speed train. This is important because the European railway organization decided to use GSM as their communication system for signaling and train control. As GSM was designed for speed up to 250 km/h there are problems with handovers and cell camping for higher speed. As the passengers in the train are going to communicate via UMTS the handovers of UMTS have also to be speed up. On the other hand it is known that there are security problems in GSM authentication that also weaken UMTS when having handovers between both systems. Therefore it is proposed to have an additional authentication just before the handover from UMTS to GSM. We analyzed how and how much time can be saved and show that we can also make use of the network topology to integrate additional authentication to secure the communication for example between the dispatcher and the train
Starting Page	1753
Ending Page	1757
File Size	1847359
Page Count	5
File Format	PDF
ISBN	9783800729098
DOI	10.1109/PIMRC.2005.1651743
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-11
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Authentication GSM 3G mobile communication Rail transportation Base stations Communication system control Control systems Security Network topology Intelligent networks UMTS high-speed handover authentication
Content Type	Text
Resource Type	Article

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