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Functional Reference Model for Universal Personal Telecommunication Service Studied by Considering Three Mobilities
Motoo HOSHI Tatsuo NOHARA Hiroshi TOKUNAGA Yoshiyuki YASUDA
IEICE TRANSACTIONS on Communications
Publication Date: 1991/11/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Information Communication Networking Architecture)
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Universal personal telecommunication service is a new service in which the network determines where and how to terminate a call, based on a dialed personal telecommunication number associated with a person, rather than a network line or a terminal. In this paper, telecommunication services are analyzed, and three kinds of mobilities offered to the user are identified: cord-free, terminal and personal mobilities. Then, functions and identifiers required for routing, authentication, compatibility checking and charging purposes are identified for each mobility. Based on these analyses, a functional reference model is derived. The information flows are studied, first, on the functional reference model and, second, on a physical multi-network model.