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This paper introduces the All IP UMTS based core networks concept for IP Multimedia service. The focus of the study is designing a Home Subscriber Server (HSS) system that satisfies the functional requirement in the defined 3GPP Release 5 standard for the deployment of IP based multimedia services. Initially, it is expected that the basic UMTS core network (CN) will be deployed, with the functional element of the IP multimedia subsystem (IMS) and the signaling protocol among the elements. Then, we propose a competent design scheme for HSS system to provide IP multimedia service. It is divided two parts, a user profile database and a functional scheme of application for easy implementation.
Personal, Indoor and Mobile Radio Communications, 2003. PIMRC 2003. 14th IEEE Proceedings on (Volume:3 )
Date of Conference: 7-10 Sept. 2003