A two-tier location management mechanism for IMS |
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| Authors: | Cao Yufei Liao Jianxin Qi Qi Zhu Xiaomin |
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| Institution: | 1. State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications,Beijing 100876,P.R. China
2. Eastcom-BUPTEB information Technology Ltd.,Beijing 100190,P.R.China |
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| Abstract: | This paper proposed a two-tier location management mechanism(TTLM)by improving the current registration mechanism(CR)in IP Multimedia Subsystem(IMS).The TTLM includes the visited network registration and the home network registration,in which the visited network registration is responsible for re-registration in IMS.When subscriber roams,the location information of home network will be updated by the visited network based on the change of user equipment(UE)' s IP address.Therefore the TTLM can reduce the ti... |
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| Keywords: | two-tier location management (TTLM) registration IP Multimedia Subsystem (IMS) |
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