Content for TR 23.700-20 Word version: 17.0.0
6 Solutions
6.0 Mapping of Solutions to Key Issues
6.1 Solution #1: Uplink Time Synchronization for TSN
6.2 Solution #2: Handling of UE to UE communication
6.3 Solution #3 UE-UE TSC communication with VN group
6.4 Solution #4: Deterministic QoS for UE-UE TSC communication
6.5 Solution #5: Deterministic QoS for Native 5GS
6.6 Solution #6 TSC communication without TSN network
6.7 Solution #7: Exposure of Time Synchronization
6.8 Solution #8: AF Requested TSN Synchronization Activation and Deactivation
6.9 Solution #9: (g)PTP GM support by DS-TT
6.10 Solution #10 Static forwarding rule to all directions
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6 Solutions p. 13
6.0 Mapping of Solutions to Key Issues p. 13
6.1 Solution #1: Uplink Time Synchronization for TSN p. 13
6.1.1 Introduction p. 13
6.1.2 Functional Description p. 14
6.1.3 Procedures p. 15
6.1.3.1 Synchronizing end stations behind NW-TT p. 15
6.1.3.2 Synchronizing end stations behind DS-TT p. 16
6.1.3.3 BMCA procedure p. 18
6.1.4 Impacts on services, entities and interfaces p. 21
6.2 Solution #2: Handling of UE to UE communication p. 22
6.2.1 Introduction p. 22
6.2.2 Functional Description p. 23
6.2.3 Procedures p. 24
6.2.4 Impacts on services, entities and interfaces p. 25
6.3 Solution #3 UE-UE TSC communication with VN group p. 26
6.3.1 Introduction p. 26
6.3.2 Functional Description p. 26
6.3.3 Procedures p. 27
6.3.4 Impacts on services, entities and interfaces p. 28
6.4 Solution #4: Deterministic QoS for UE-UE TSC communication p. 29
6.4.1 Introduction p. 29
6.4.2 Functional Description p. 29
6.4.3 Procedures p. 30
6.4.3.1 Procedure for AF providing UE-UE TSC QoS information p. 30
6.4.3.2 Procedure for UE triggered UE-UE TSC configuration p. 31
6.4.4 Impacts on services, entities and interfaces p. 33
6.5 Solution #5: Deterministic QoS for Native 5GS p. 34
6.5.1 Introduction p. 34
6.5.2 Functional Description p. 34
6.5.3 Procedures p. 36
6.5.4 Impacts on services, entities and interfaces p. 39
6.5.5 Addendum: Hold and Forward Buffers for Deterministic QoS p. 39
6.6 Solution #6 TSC communication without TSN network p. 40
6.7 Solution #7: Exposure of Time Synchronization p. 40
6.7.1 Introduction p. 40
6.7.2 Functional Description p. 40
6.7.3 Procedures p. 43
6.7.4 Impacts on services, entities and interfaces p. 45
6.8 Solution #8: AF Requested TSN Synchronization Activation and Deactivation p. 46
6.8.1 Introduction p. 46
6.8.2 Functional Description p. 46
6.8.2.1 General p. 46
6.8.2.2 Functional Description for AF Requested TSN Synchronization Activation p. 46
6.8.2.3 Functional Description for AF Requested TSN Synchronization Deactivation p. 47
6.8.3 Procedure p. 47
6.8.3.1 procedure for AF Requested TSN Synchronization Activation p. 47
6.8.3.2 procedure for AF Requested TSN Synchronization Deactivation p. 48
6.8.4 Impacts on services, entities and interfaces p. 49
6.9 Solution #9: (g)PTP GM support by DS-TT p. 49
6.9.1 Introduction p. 49
6.9.2 Functional Description p. 49
6.9.3 Procedures p. 50
6.9.4 Impacts on services, entities and interfaces p. 51
6.10 Solution #10 Static forwarding rule to all directions p. 52
