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Content for  TS 23.287  Word version:  18.4.0

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6 Functional description and information flows  6.1 Control and user plane stacks  6.1.1 User plane for NR PC5 reference point supporting V2X services  6.1.2 Control plane for NR PC5 reference point supporting V2X services 
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6  Functional description and information flows  p. 42

6.1  Control and user plane stacks  p. 42

6.1.1  User plane for NR PC5 reference point supporting V2X services  p. 42

Figure 6.1.1-1 depicts a user plane for NR PC5 reference point, i.e. PC5 User Plane Protocol stack.
Reproduction of 3GPP TS 23.287, Fig. 6.1.1-1: User Plane for NR PC5 reference point
Figure 6.1.1-1: User Plane for NR PC5 reference point
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Legend:
  • PC5-U: The SDAP/PDCP/RLC/MAC/PHY functionality is specified in TS 38.300.
  • For PDCP SDU type "Non-IP", a "Non-IP Type" header included in the SDU by upper layer to indicate the type of non-IP messages carried will be specified in stage 3 specification.
IP and Non-IP PDCP SDU types are supported for the V2X communication over PC5 reference point.
For IP PDCP SDU type, only IPv6 is supported. The IP address allocation and configuration are as defined in clause 5.6.1.1.
The Non-IP PDCP SDU contains a Non-IP Type header, which indicates the V2X message family used by the application layer, e.g. IEEE 1609 family's WSMP [18], ISO defined FNTP [19], CCSA defined DSMP [27].
The packets from V2X application layer are handled by the V2X layer before transmitting them to the AS layer, e.g. V2X layer maps the IP/Non IP packets to PC5 QoS Flow and marks the corresponding PFI.
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6.1.2  Control plane for NR PC5 reference point supporting V2X services  p. 43

Figure 6.1.2-1 depicts a control plane for NR PC5 reference point, i.e. PC5 Signalling Protocol stack.
Reproduction of 3GPP TS 23.287, Fig. 6.1.2-1: Control Plane for NR PC5 reference point
Figure 6.1.2-1: Control Plane for NR PC5 reference point
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Legend:
  • PC5-S Protocol: The protocol used for the control plane signalling over the PC5 reference point for the secure layer-2 link as specified in clause 6.3.3.
  • The PDCP/RLC/MAC/PHY functionality is specified in TS 38.300.

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