Content for TR 23.734 Word version: 16.2.0
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.3 Abbreviations
4 Architecture Assumptions
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1 Scope p. 8
The objective and scope of this TR is to study enhancements to 5GS that are required to fulfil Stage-1 service requirements in vertical domains defined in TS 22.261 and TS 22.104:
- Enablers (e.g. time synchronization of packet delivery in each hop) to support Time Sensitive Networking, and industrial control use cases specified by Stage 1.
- Architecture enhancements required to support security requirements.
- Enhancements to the 5G system to support 5GLAN service.
- Enhancements to service exposure via APIs for 3rd party use of functionalities e.g. for information regarding the geographic location of coverage area of non-public network;
- Enablers to support new KPIs (e.g. 5QI) to meet service requirements of vertical;
-
Support for non-public networks:
- Support for UEs being registered in non-public network and a PLMN when the UE supports credentials required for non-public network and credentials required for a PLMN and is able to maintain both registrations independently.
- Support for roaming, mobility and service continuity between PLMN and non-public networks (e.g. for mobility from non-public networks to PLMN) with direct interaction between non-publicnetworks and PLMN.
2 References p. 8
The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
- References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
- For a specific reference, subsequent revisions do not apply.
- For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 22.261: "Service requirements for next generation new services and markets".
[3]
TS 23.501: "System Architecture for the 5G System".
[4]
TS 23.502: "Procedures for the 5G System".
[5]
TS 23.503: "Policy and Charging Control Framework for the 5G System".
[6]
TR 22.804: "Study on Communication for Automation in Vertical domains (CAV)".
[7]
TR 22.821: "Feasibility Study on LAN Support in 5G".
[8]
TS 38.304: "User Equipment (UE) procedures in Idle mode and RRC Inactive state".
[9]
IEEE P802.1Qcc/D1.6: "Draft Standard for Local and metropolitan area networks - Bridges and Bridged Networks - Amendment: Stream Reservation Protocol (SRP) Enhancements and Performance Improvements".
[10]
TS 29.561: "5G System; Interworking between 5G Network and external Data Networks; Stage 3".
[11]
TS 33.501: "Security architecture and procedures for 5G system".
[12]
IEEE P802.1Qcc: "Standard for Local and Metropolitan Area Networks-Media Access Control (MAC) Bridges and Virtual Bridged Local Area Networks Amendment: Stream Reservation Protocol (SRP)".
[13]
TS 22.104: "Service requirements for cyber-physical control applications in vertical domains".
[14]
International Telecommunication Union (ITU), Standardization Bureau (TSB): "Operational Bulletin No. 1156."; http://handle.itu.int/11.1002/pub/810cad63-en (retrieved October 5, 2018).
[15]
TS 23.122: "Non-Access-Stratum (NAS) functions related to Mobile Station (MS) in idle mode".
[16]
TS 29.244: "Interface between the Control Plane and the User Plane nodes".
[17]
TS 23.682: "Architecture enhancements to facilitate communications with packet data networks and applications".
[18]
TS 38.413: "NG-RAN; NG Application Protocol (NGAP)".
[19]
TR 23.724: "Study on Cellular Internet of Things (CIoT) support and evolution for the 5G System (5GS)".
3 Definitions and abbreviations p. 9
3.1 Definitions p. 9
For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
5GLAN group:
a set of UEs using private communication for 5G LAN-type service.
5G LAN-type service:
a service over the 5G system offering private communication using IP and/or non-IP type communications.
5G LAN-virtual network:
a virtual network capable of supporting 5G LAN-type service.
5GLAN one to one communication:
communication between two UEs in a 5GLAN group.
5GLAN one to many communication:
communication between one UE and many UEs in a 5GLAN group.
IEEE Time Sensitive Networking (TSN):
a set of standards to define mechanisms for the time-sensitive (i.e. deterministic) transmission of data over Ethernet networks under development by the Time-Sensitive Networking task group of the IEEE 802.1 working group.
private communication:
a communication between two or more UEs belonging to a restricted set of UEs.
Time Sensitive Communication (TSC):
a communication service that supports deterministic communication and/or isochronous communication with high reliability and availability. It is about providing packet transport with bounds on latency, loss, packet delay variation (jitter), and reliability, where end systems and relay/transmit nodes can be strictly synchronized.
Non-public network:
a network that is intended for non-public use.
3.3 Abbreviations p. 10
For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply.
An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
VLAN
Virtual LAN
C-tag
Customer VLAN tag
S-tag
Service VLAN tag
4 Architecture Assumptions p. 10
Following are the architectural assumptions for this study item:
- This study is assumed to inherit the exposure framework as defined in Rel-15 for 5G System. It is also assumed that each Key issue identified for this study item determines the need for capabilities and events (as needed) that will be exposed.
- This study is assumed that the 5G LAN-type service is provided to UE connecting to 5G system.
