Content for TR 38.836 Word version: 17.0.0
4 Sidelink-based UE-to-Network Relay
4.1 Scenarios, Assumptions and Requirements
4.2 Discovery
4.3 Relay (re-)selection criterion and procedure
4.4 Relay/Remote UE authorization
4.5 Layer-2 Relay
4.6 Layer-3 Relay
5 Sidelink-based UE-to-UE Relay
5.1 Scenario, Assumption and Requirement
5.2 Discovery
5.3 Relay (re-)selection criteria and procedure
5.4 Relay/Remote UE authorization
5.5 Layer-2 Relay
5.6 Layer-3 Relay
6 Conclusion
6.1 Evaluation and Conclusion of UE-to-Network Relay
6.2 Evaluation and Conclusion of UE-to-UE Relay
6.3 Feasibility and Recommendation
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4 Sidelink-based UE-to-Network Relay Word‑p. 7
4.1 Scenarios, Assumptions and Requirements
4.2 Discovery Word‑p. 8
4.3 Relay (re-)selection criterion and procedure Word‑p. 9
4.4 Relay/Remote UE authorization Word‑p. 10
4.5 Layer-2 Relay
4.5.1 Architecture and Protocol Stack
4.5.2 QoS Word‑p. 12
4.5.3 Security
4.5.4 Service Continuity
4.5.4.0 General
4.5.4.1 Switching from indirect to direct path
4.5.4.2 Switching from direct to indirect path Word‑p. 13
4.5.5 Control Plane Procedure Word‑p. 14
4.6 Layer-3 Relay
5 Sidelink-based UE-to-UE Relay
5.1 Scenario, Assumption and Requirement
5.2 Discovery Word‑p. 19
5.3 Relay (re-)selection criteria and procedure Word‑p. 20
5.4 Relay/Remote UE authorization
5.5 Layer-2 Relay
5.5.1 Architecture and Protocol Stack
5.5.2 QoS Word‑p. 21
5.5.3 Security Word‑p. 22
5.5.4 Control Plane Procedure
5.6 Layer-3 Relay
6 Conclusion
6.1 Evaluation and Conclusion of UE-to-Network Relay
6.1.1 Layer-2 Relay
6.1.1.0 Conclusions of Layer-2 Relay
6.1.1.1 Relay discovery and (re)selection
6.1.1.2 Relay UE and Remote UE authorization
6.1.1.3 QoS management
6.1.1.4 Service continuity Word‑p. 23
6.1.1.5 Security
6.1.1.6 Protocol stack design
6.1.1.7 CP procedures
6.1.2 Layer-3 Relay
6.2 Evaluation and Conclusion of UE-to-UE Relay
6.2.1 Layer-2 Relay
6.2.1.0 Conclusions of Layer-2 Relay
6.2.1.1 Relay discovery and (re)selection
6.2.1.2 Relay and Remote UE authorization
6.2.1.3 QoS management
6.2.1.4 Security
6.2.1.5 Protocol stack design Word‑p. 25
6.2.1.6 CP procedures
6.2.2 Layer-3 Relay
6.3 Feasibility and Recommendation
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