Content for TS 23.286 Word version: 18.5.0

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9.6 Provisioning 3GPP system information by VAE server 9.6.1 General 9.6.2 Information flows 9.6.2.1 V2X USD announcement 9.6.2.2 Set PC5 parameters request 9.6.2.3 Set PC5 parameters response 9.6.3 V2X USD provisioning 9.6.3.1 General 9.6.3.2 Procedure 9.6.4 PC5 parameters provisioning 9.6.4.1 General 9.6.4.2 Procedure
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9.6 Provisioning 3GPP system information by VAE server p. 45

9.6.1 General p. 45

The VAE server can provision network related information like multicast (e.g. V2X USD) to the V2X UE to further enable V2X UE to consume V2X service based on the location and connection with the VAE server.

9.6.2 Information flows p. 45

9.6.2.1 V2X USD announcement p. 45

Table 9.6.2.1-1 describes the information flow V2X USD announcement from the VAE server to the VAE client.

Table 9.6.2.1-1: V2X USD announcement

Information Element	Status	Description
V2X UE ID	O	Identity of the V2X UE to which the configuration is required
V2X USD configuration data	M	The V2X USD configuration data as specified in TS 23.285

9.6.2.2 Set PC5 parameters request p. 45

Table 9.6.2.2-1 describes the information flow set PC5 parameters request from the VAE server to the VAE client.

Table 9.6.2.2-1: Set PC5 parameters request

Information Element	Status	Description
V2X UE ID	O	Identity of the V2X UE to which the configuration is required
PC5 parameters configuration data	M	The PC5 parameters configuration data as specified in TS 23.285 and TS 23.287. For PC5 provisioning in multi-operator V2X services (as specified in clause 9.15), these parameters may be the joint provisioning policies/parameters to be used by the V2X-UEs within the V2X service.

9.6.2.3 Set PC5 parameters response p. 46

Table 9.6.2.3-1 describes the information flow set PC5 parameters response from the VAE client to the VAE server.

Table 9.6.2.3-1: Set PC5 parameters response

Information Element	Status	Description
Result	M	The result whether setting the PC5 parameters received by the VAE server was successful or not

9.6.3 V2X USD provisioning p. 46

9.6.3.1 General p. 46

This subclause describes the procedure for VAE server provisioning the V2X USD information to V2X UE via V1-AE reference point for V2X communication using MBMS.

9.6.3.2 Procedure p. 46

Figure 9.6.3.2-1 illustrates the procedure for provisioning V2X USD to the V2X UE via V1-AE reference point.

Pre-conditions:

The V2X UE has connected to the VAE server.
If multicast delivery mode is used, the MBMS bearer being used is activated by the VAE server.

Copy of original 3GPP image for 3GPP TS 23.286, Fig. 9.6.3.2-1: V2X USD provisioning

Figure 9.6.3.2-1: V2X USD provisioning
(⇒ copy of original 3GPP image)

Step 1.

The VAE server is triggered for providing V2X USD to V2X UE.

Step 2.

The VAE server sends the V2X USD announcement to the VAE client in the V2X UE with the information of the V2X USDs corresponding to the V2X applications. The V2X USD information consists of TMGI, list of SAIs, frequency and SDP information for V2X applications' communication using MBMS. The details of V2X USD are specified in subclause 4.4.7.2 in TS 23.285. This message can be sent via unicast or multicast.

Step 3.

Upon receiving the V2X USD announcement, the VAE client of the V2X UE stores the received V2X USDs.

Step 4.

The VAE client of the V2X UE provides an acknowledgement to the VAE server of the V2X AS. This step is optional when the announcement is sent via multicast.

9.6.4 PC5 parameters provisioning p. 47

9.6.4.1 General p. 47

This subclause describes the procedure for the VAE server provisioning the PC5 parameter provisioning information to the V2X UE via V1-AE reference point for V2X communication on PC5. The configuration information includes the configuration parameters specified in TS 23.285, TS 23.287 and additional application related configuration parameters.

9.6.4.2 Procedure p. 47

Figure 9.6.4.2-1 illustrates the procedure for provisioning PC5 parameters to the V2X UE via V1 reference point.

Pre-conditions:

The V2X UE has discovered and connected to the VAE server.
If multicast delivery mode is used, the MBMS bearer being used is activated by the VAE server.

Copy of original 3GPP image for 3GPP TS 23.286, Fig. 9.6.4.2-1: PC5 parameters provisioning

Figure 9.6.4.2-1: PC5 parameters provisioning
(⇒ copy of original 3GPP image)

Step 1.

The VAE server sends the set PC5 parameters request to the VAE client with the information of the PC5 parameters. The PC5 parameters information are specified in subclause 4.4.1.1.2 in TS 23.285 and in subclause 5.1.2.1 in TS 23.287. This message can be sent via unicast or multicast.

Step 2.

Upon receiving the set PC5 parameters request, the VAE client stores the received PC5 parameters in the V2X UE.

Step 3.

The VAE client provides an acknowledgement by sending the set PC5 parameters response to the VAE server.