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TS 23.251
Network Sharing –
Architecture and Functional Description

V18.0.0 (PDF)  2024/03  41 p.
V17.0.0  2022/03  41 p.
V16.0.0  2020/06  41 p.
V15.1.0  2018/09  41 p.
V14.1.0  2017/09  41 p.
V13.2.0  2016/06  41 p.
V12.1.0  2014/06  37 p.
V11.6.0  2013/12  36 p.
V10.6.0  2013/06  29 p.
V9.5.0  2012/12  22 p.
V8.4.0  2012/12  22 p.
V7.0.0  2007/06  20 p.
V6.6.0  2006/03  20 p.
Rapporteur:
Dr. Nilsson, Ulf
TeliaSonera AB

essential Table of Contents for  TS 23.251  Word version:  18.0.0

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List of Figures and Tables

Figure 1A Gateway Core Network (GWCN) configuration for network sharing. Besides shared radio access network nodes, the core network operators also share core network nodes
Figure 2A Multi-Operator Core Network (MOCN) in which multiple CN nodes are connected to the same RNC and the CN nodes are operated by different operators
Figure 3Network selection for a non-supporting UE in a shared UTRAN/GERAN network
Figure 4Network selection for a supporting UE in a shared E-UTRAN/UTRAN/GERAN network
Figure 5Information flow for redirection in UTRAN
Figure 6Information flow for redirection in GERAN (CS domain)
Figure 7-1Information flow for redirection in GERAN (PS domain)
Figure 7-2Information flow for registration in CS domain after PS Handover
Figure 8Network selection by a supporting UE in a UTRAN MOCN
Figure 9Network selection by a supporting UE in a GERAN MOCN
Figure 10PS domain query
Figure A.1Shared and Dedicated network example
Figure A.4-1Flow diagram for CSPS Coordination

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