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Content for  TS 23.287  Word version:  18.4.0

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1 Scope  2 References  3 Definitions and abbreviations  3.1 Definitions  3.2 Abbreviations 
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1  Scope  p. 7

The present document specifies architecture enhancements to the 5G System to facilitate vehicular communications for Vehicle-to-Everything (V2X) services, over the following reference points, based on service requirements defined in TS 22.185 and TS 22.186:
  • PC5 reference point: NR PC5 RAT, LTE PC5 RAT.
  • Uu reference point: NR, E-UTRA.
This specification also covers interworking with EPS.
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2  References  p. 7

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 22.185: "Service requirements for V2X services; Stage 1".
[3]
TS 22.186: "Enhancement of 3GPP support for V2X scenarios; Stage 1".
[4]
ISO 17419:2018: "Intelligent transport systems - Cooperative systems - Globally unique identification".
[5]
IEEE Std 1609.12-2016: "IEEE Standard for Wireless Access in Vehicular Environments (WAVE) - Identifier Allocations".
[6]
TS 23.501: "System Architecture for the 5G System; Stage 2".
[7]
TS 23.502: "Procedures for the 5G System; Stage 2".
[8]
TS 23.285: "Architecture enhancements for V2X services".
[9]
TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2".
[10]
TS 36.304: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) procedures in idle mode".
[11]
TS 38.300: "NR; NR and NG-RAN Overall Description; Stage 2".
[12]
TS 38.304: "NR; User Equipment (UE) procedures in Idle mode and RRC Inactive state".
[13]
TS 23.122: "Non-Access-Stratum (NAS) functions related to Mobile Station (MS) in idle mode".
[14]
TS 36.331: "Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification".
[15]
TS 38.331: "NR; Radio Resource Control (RRC); protocol specification".
[16]
TS 23.503: "Policy and Charging Control Framework for the 5G System; Stage 2".
[17]
TS 23.303: "Proximity-based Services (ProSe); Stage 2".
[18]
IEEE Std 1609.3-2010: "IEEE Standard for Wireless Access in Vehicular Environments (WAVE) - Networking Services".
[19]
ISO 29281-1:2013: "Intelligent Transport Systems - Communications access for land mobiles (CALM) - Non-IP networking - Part 1: Fast networking & transport layer protocol (FNTP)".
[20]
TS 23.288: "Architecture enhancements for 5G System (5GS) to support network data analytics services".
[21]
RFC 4862:  "IPv6 Stateless Address Autoconfiguration".
[22]
TS 38.413: "NG-RAN; NG Application Protocol (NGAP)".
[23]
TS 38.423: "NG-RAN; Xn Application Protocol (XnAP)".
[24]
TS 24.587: "Vehicle-to-Everything (V2X) services in 5G System (5GS); Stage 3".
[25]
TS 37.340: "Evolved Universal Terrestrial Radio Access (E-UTRA) and NR; Multi-connectivity; Stage 2".
[26]
TS 33.536: "Security aspects of 3GPP support for advanced Vehicle-to-Everything (V2X) services".
[27]
CCSA YD/T 3707-2020: "Technical requirements of network layer of LTE-based vehicular communication".
[28]
TS 23.247: "Architectural enhancements for 5G multicast-broadcast services; Stage 2".
[29]
TS 26.502: "5G multicast-broadcast services; User Service architecture".
[30]
TS 26.517: "5G Multicast-Broadcast User Services; Protocols and Formats".
[31]
ETSI TS 102 637-2 V1.2.1: "Intelligent Transport Systems (ITS); Vehicular Communications; Basic Set of Applications; Part 2: Specification of Cooperative Awareness Basic Service".
[32]
ETSI TS 102 637-3 V1.1.1: "Intelligent Transport Systems (ITS); Vehicular Communications; Basic Set of Applications; Part 3: Specifications of Decentralized Environmental Notification Basic Service".
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3  Definitions and abbreviations  p. 8

3.1  Definitions  p. 8

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.
Application Layer connection-less group:
An application layer group without group formation in the V2X application layer, e.g., sensor sharing.
Application Layer ID:
An identifier identifying an entity, e.g. a vehicle, a pedestrian, an RSU within the context of a specific V2X application. The format of this identifier is outside the scope of 3GPP.
Application Layer managed group:
An application layer group with group formation and management in the V2X application layer, e.g., platooning, cooperative adaptive cruise control.
Groupcast mode communication:
It refers to V2X communication over PC5 reference point within a group of UEs where any UE in the group can act as transmitting UE and the rest act as receiving UEs. See also TS 38.300 for more information. The "group" here refers to Application Layer managed group or Application Layer connection-less group.
Member ID:
An identifier uniquely identifying a member in the Application Layer managed group and that is managed by the V2X application layer.
Mode of communication:
Mode of communication to be used by the UE over PC5 reference point i.e. broadcast mode (LTE PC5 and NR PC5), groupcast mode (NR PC5) or unicast mode (NR PC5).
NR Tx Profile:
The transmission mechanism or format to be used by the UE over NR PC5 RAT (e.g. PC5 DRX support or not), see TS 38.300 and TS 38.331.
NR eTx Profile:
The enhanced transmission mechanism or format to be used by the UE over NR PC5 RAT (e.g. related to PC5 carrier aggregation), see TS 38.300 and TS 38.331.
V2X application:
An application using one or more V2X services e.g. an active safety application in a vehicle, using V2X services such as emergency warning and vehicle to vehicle safety and awareness. A V2X application may operate towards a V2X Application Server.
V2X communication:
A communication to support Vehicle-to-Everything (V2X) services leveraging Uu and / or PC5 reference points. V2X services are realized by various types of V2X applications, i.e. Vehicle-to-Vehicle (V2V), Vehicle-to-Pedestrian (V2P), Vehicle-to-Infrastructure (V2I) and Vehicle-to-Network (V2N).
V2X message:
A dedicated messaging type of V2X service, for example ITS messages.
V2X service:
A data service, offered to V2X applications and optionally V2X Application Servers. A V2X service belongs to one V2X service type. It may include message or other data delivery, as defined in TS 22.185 and TS 22.186. A V2X service can be associated with one or more V2X applications, and a V2X application can be associated with one or more V2X services.
V2X service type:
A type of V2X service, which is identified by e.g. ITS-AID (ITS Application Identifier), PSID (Provider Service Identifier) or AID (Application Identifier).
For the purposes of the present document, the following terms and definitions given in ISO 17419:2018 [4] apply:
Intelligent Transport Systems
ITS Application Identifier
For the purposes of the present document, the following term and definition given in IEEE Std 1609.12-2016 [5] apply:
Provider Service Identifier
For the purposes of the present document, the following term and definition given in CCSA YD/T 3707-2020 [27] applies:
Application Identifier
For the purposes of the present document, the following term and definition given in TS 23.285 apply:
Tx Profile
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3.2  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.
AF
Application Function
AID
Application Identifier
AS layer
Access Stratum layer
ITS
Intelligent Transport Systems
ITS-AID
ITS Application Identifier
MBS
Multicast/Broadcast Service
NID
Network identifier
PFI
PC5 QoS Flow Identifier
PQI
PC5 5QI
PSID
Provider Service Identifier
RSU
Road Side Unit
SNPN
Stand-alone Non-Public Network
V2I
Vehicle-to-Infrastructure
V2N
Vehicle-to-Network
V2P
Vehicle-to-Pedestrian
V2V
Vehicle-to-Vehicle
V2X
Vehicle-to-Everything
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