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Content for  TS 23.316  Word version:  17.3.0

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6  Control and User Plane Protocol Stacksp. 29

6.1  Generalp. 29

This clause specifies the protocol stacks between 5G-RG, FN-RG and 5GS entities for supporting W-5GAN.

6.2  Control Plane Protocol Stacks for W-5GANp. 29

6.2.1  Control Plane Protocol Stacks between the 5G-RG and the 5GCp. 29

Reproduction of 3GPP TS 23.316, Fig. 6.2.1-1: Control Plane stack for W-5GAN for 5G-RG
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The control plane protocol stack between 5G-RG and AMF is defined in Figure 6.2.1-1.
For W-5GBAN, the W-CP protocol stack between 5G-BRG and W-AGF is defined in BBF TR-456 [9]. For W-5GCAN, the W-CP protocol stack between 5G-CRG and W-AGF is defined in WR-TR-5WWC-ARCH [27].
The protocol stack between 5GC/AMF and W-AGF is defined in TS 23.501, clause 8.
The W-CP protocol stack:
  • supports transfer of NAS signalling between the 5G-RG and the W-AGF;
  • supports to carry AS parameters (e.g. SUCI or 5G-GUTI, Requested NSSAI and Establishment Cause) and NAS packets;
  • supports the setup, modification and removal of at least one W-UP resource per PDU session;
  • may support the setup, modification and removal of multiple W-UP resources per PDU session.
For the 5G-RG connected via NG-RAN the protocol stack defined in TS 23.501, clause 8.2.2 applies with UE corresponding to 5G-RG.
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6.2.2  Control Plane Protocol Stacks between the FN-RG and the 5GCp. 30

Reproduction of 3GPP TS 23.316, Fig. 6.2.2-1: Control Plane stack for W-5GAN for FN-RG
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The control plane protocol stack between FN-RG and AMF is defined in Figure 6.2.2-1. The W-AGF acts as an N1 termination point on behalf of FN-RG.
For W-5GBAN, the L-W-CP protocol stack, between FN-BRG and W-AGF is defined in BBF TR-456 [9] and WT-457 [10]. For W-5GCAN, the L-W-CP protocol stack between FN-CRG and W-AGF is defined in WR-TR-5WWC-ARCH [27].
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6.3  User Plane Protocol Stacks for W-5GANp. 30

6.3.1  User Plane Protocol Stacks between the 5G-RG and the 5GCp. 30

Reproduction of 3GPP TS 23.316, Fig. 6.3.1-1: User Plane stack for W-5GAN for 5G-RG
Up
The user plane protocol stack between 5G-RG and UPF is defined in Figure 6.3.1-1.
For W-5GBAN, the W-UP protocol stack between 5G-BRG and W-AGF is defined in BBF TR-456 [9]. For W-5GCAN, the W-UP protocol stack between 5G-CRG and W-AGF is defined in WR-TR-5WWC-ARCH [27].
The protocol stack between 5GC/UPF and W-AGF is defined in TS 23.501, clause 8.
For the W-UP protocol stack:
  • W-UP supports at least one W-UP resource per PDU session. This will be the default W-UP resource.
  • W-UP may support multiple W-UP resources per PDU session and associate different QoS profiles (QFIs) to different W-UP resources.
  • W-UP supports transmission of uplink and downlink PDUs according to clause 4.5.
  • W-UP supports access specific QoS parameters that can be mapped from 3GPP QoS parameters (e.g.5QI, RQI) received from the 5GC.
For the 5G-RG connected via NG-RAN the protocol stack defined in TS 23.501, clause 8.3.1 applies with 5G-RG replacing the UE.
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6.3.2  User Plane Protocol Stacks between the FN-RG and the 5GCp. 31

Reproduction of 3GPP TS 23.316, Fig. 6.3.2-1: User Plane stack for W-5GAN for FN-RG
Up
The user plane protocol stack between FN-RG and UPF is defined in Figure 6.3.2-1.
For W-5GBAN, the L-W-UP protocol stack between FN-BRG and W-AGF is defined in BBF TR-456 [9] and WT-457 [10]. For W-5GCAN, the L-W-UP protocol stack between FN-CRG and W-AGF is defined in WR-TR-5WWC-ARCH [27].
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