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TR 23.799SA2
Study on Architecture
for Next Generation System

use "3GPP‑Page" to get the Word version
for a better overview, the Table of Contents (ToC) is reproduced
V14.0.0 (Wzip)  2016/12  522 p.

WI Acronym:  FS_NextGen
Rapporteur:  Dr. Sun, TaoChina Mobile US Research Centre

The objective is to design a system architecture for the next generation mobile networks. The new architecture shall support at least the new RAT(s), the Evolved E-UTRA, non-3GPP accesses and minimize access dependencies. Proposals for the new architecture can be based on an evolution of the current architecture or based on a "clean slate" approach. The study shall consider scenarios of migration to the new architecture. The expected work will include:
  • Investigation of high-level architectural requirements.
  • Definition of the terminology to be used as common language for architecture discussions.
  • Definition of the high-level system architecture as the collection of required capabilities, and high level functions with their interactions between each other.
The complete or partial conclusions of this study will form the basis for the normative work and/or for any further study.

short Table of Contents for  TR 23.799  Word version:   14.0.0

each title links to the equivalent title in the full ToC
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1  ScopeWord-p. 18
2  ReferencesWord-p. 18
3  Definitions and abbreviationsWord-p. 19
4  Architectural Requirements, Assumptions and PrinciplesWord-p. 21
5  Key IssuesWord-p. 24
5.1  Key issue 1: Support of network slicingWord-p. 24
5.2  Key issue 2: QoS frameworkWord-p. 25
5.3  Key Issue 3: Mobility management frameworkWord-p. 27
5.4  Key issue 4: Session managementWord-p. 31
5.6  Key issue 6: Support for session and service continuity and efficient user plane pathWord-p. 32
5.7  Key issue 7: Network function granularity and interactions between themWord-p. 34
5.8  Key issue 8: Next Generation core and access - functional division and interfaceUpWord-p. 35
5.9  Key Issue 9: 3GPP architecture impacts to support network capability exposure and context information awarenessWord-p. 36
5.10  Key issue 10: Policy FrameworkWord-p. 37
5.11  Key issue 11: ChargingWord-p. 40
5.12  Key issue 12: Security frameworkWord-p. 41
5.13  Key issue 13: Broadcast/Multicast CapabilitiesWord-p. 42
5.14  Key Issue 14: Support for Off-Network CommunicationWord-p. 43
5.15  Key Issue 15: NextGen core support for IMSWord-p. 43
5.16  Key Issue 16: 3GPP system aspects to support the connectivity of remote UEs via relay UEsWord-p. 43
5.17  Key Issue 17: 3GPP architecture impacts to support network discovery and selectionWord-p. 44
5.18  Key Issue 18: Interworking and MigrationWord-p. 45
5.19  Key Issue 19: Architecture impacts when using virtual environmentsWord-p. 47
5.20  Key issue 20: Traffic Steering, Switching and Splitting between 3GPP and non-3GPP AccessesWord-p. 48
5.21  Key Issue 21: Minimal connectivity within extreme rural deploymentsUpWord-p. 49
5.22  Key Issue 22: Support of "5G connectivity via satellite" use caseWord-p. 50
6  SolutionsWord-p. 51
6.1  Solutions for Key Issue 1: Support of network slicingWord-p. 51
6.2  Solutions for Key Issue 2: QoS frameworkWord-p. 105
6.3  Solutions for Key Issue 3: Mobility frameworkWord-p. 140
6.4  Solutions for Key Issue 4: Session managementWord-p. 205
6.5  Solutions for Key Issue 5: Enabling (re)selection of efficient user plane pathsWord-p. 279
6.6  Solutions for Key Issue 6: Support for session and service continuityWord-p. 294
6.7  Solutions for Key Issue 7: Network function granularity and interactions between themWord-p. 304
6.8  Solutions for Key Issue 8: Next Generation core and access - functional division and interfaceWord-p. 328
6.10  Solutions for Key Issue 10: Policy FrameworkWord-p. 373
6.11  Solutions for Key Issue 11: ChargingWord-p. 390
6.12  Solutions for Key issue 12: Authentication and security frameworkWord-p. 390
6.17  Solutions for Key Issue 17: 3GPP architecture impacts to support network discovery and selectionWord-p. 397
6.18  Solution for Key Issue 18: Interworking and MigrationWord-p. 399
6.19  Solutions for key issue 19: Architecture impacts when using virtual environmentsWord-p. 424
6.20  Solutions for Key Issue 20: 3GPP architecture impacts to support access traffic steering and switchingUpWord-p. 424
7  Architecture(s) for the Next Generation SystemWord-p. 437
8  ConclusionsWord-p. 470
A  Key technical areas identified for investigation during the studyWord-p. 505
B  Network slicing concept by NGMNWord-p. 506
C  Work planning for NextGen Study Item on how to focus Rel-14 studyWord-p. 508
D  Potential solution scenarios for support of multiple slices per UEWord-p. 509
E  Guidelines for specifying procedures, to allow its re-useWord-p. 511
F  Minimizing access dependencies in the NextGen Core and AN - CN InterfaceWord-p. 512
G  Reference point namingWord-p. 514
H  Support of edge computingWord-p. 515
I  Guidelines for defining network function granularityWord-p. 516
J  Deployment ScenariosWord-p. 518
K  Specifying a service based architectureWord-p. 521
L  Change historyWord-p. 522

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