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Content for TS 26.238 Word version: 18.0.0

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9.1 General 9.2 IMS-based FLUS 9.3 Non-IMS-based FLUS 10.1 General 10.2 Usage of MQTT 10.3 RC Framing Message Format

4 System architecture p. 9

4.1 General p. 9

4.2 System p. 9

4.2.1 General p. 9

4.2.2 Uplink streaming for MTSI p. 11

4.2.3 Uplink streaming for PSS-based distribution p. 12

4.3 Terminal p. 12

4.4 Procedures p. 14

4.4.1 General p. 14

4.4.2 FLUS session establishment p. 14

4.4.3 FLUS session update p. 14

4.4.4 FLUS sink capability discovery p. 15

4.4.5 FLUS session termination p. 15

4.5 FLUS source systems p. 15

4.5.1 Introduction p. 15

4.5.2 General source systems p. 15

4.5.3 Vendor-specific source system p. 18

4.5.4 Default source system p. 18

4.5.5 3DOF FLUS source system p. 18

4.5.5.1 Introduction p. 18

4.5.5.2 Coordinate system p. 18

4.5.5.3 Descriptive Parameters p. 20

4.5.6 Media production FLUS source system |R16| p. 21

4.6 Uplink Assistance |R16| p. 21

4.6.1 Uplink Assistance using UNA mechanisms p. 21

4.6.2 Uplink Assistance using RAN Signaling Mechanism p. 22

5 Protocols p. 22

5.1 General p. 22

5.2 IMS-based system p. 23

5.2.1 System configuration p. 23

5.2.1.1 Introduction p. 23

5.2.1.2 FLUS sink configuration and selection p. 23

5.2.1.2.1 UE-based FLUS sink p. 23

5.2.1.2.2 Network-based FLUS sink p. 23

5.2.1.3 FLUS management object p. 23

5.2.2 Session management p. 25

5.2.3 Data transport p. 26

5.3 Generic FLUS system p. 26

5.3.1 System configuration p. 26

5.3.2 Session management p. 26

5.3.2.1a FLUS sink capability discovery |R17| p. 26

5.3.2.1b FLUS sink discovery |R17| p. 26

5.3.2.2 Create a FLUS Sink Configuration p. 26

5.3.2.4 Update a FLUS Sink Configuration p. 27

5.3.2.5 FLUS session termination p. 28

5.3.2.6 Void

5.3.2.7 Void

5.3.2.8 Void

5.3.2.9 Void

5.3.2.10 Session establishment for Remote Control |R16| p. 28

5.3.2.11 FLUS Source capability discovery |R16| p. 29

5.3.2.12 Remote FLUS Source configuration creation |R16| p. 29

5.3.2.14 Update FLUS Source configuration |R16| p. 30

5.3.2.15 Delete a FLUS Source configuration |R16| p. 30

5.3.2.16 RAN signaling based uplink assistance |R16| p. 31

5.3.3 Data transport p. 32

5.3.4 List of FLUS sink capabilities |R16| p. 32

5.3.5 FLUS source characterisation, capabilities and configuration properties |R16| p. 32

5.3.6 List of FLUS Sink Configuration properties |R16| p. 33

5.4 RAN Signaling based Uplink Assistance |R16| p. 35

5.4.1 General p. 35

5.4.2 Uplink bitrate recommendation and boost request p. 35

5.4.3 ANBR/ANBRQ mapping to MAC signaling and nominal usage p. 35

5.4.4 Uplink assistance in the context of QoS p. 36

6 Terminal capabilities p. 36

6.1 General p. 36

7 Uplink Streaming Control Interface p. 36

7.1 General p. 36

7.1.0 Introduction |R17| p. 36

7.1.1 Resources p. 37

7.1.1.0 General |R17| p. 37

7.1.1.1 Capabilities Resource p. 38

7.1.1.2 Session Resource p. 39

7.1.2 Supported Methods p. 39

7.1.3 Error Handling p. 39

7.2 Discovery p. 39

7.3 Capability retrieval p. 40

7.4 Uplink streaming configuration p. 41

7.4.1 FLUS session properties fetch procedure p. 41

7.4.2 FLUS session update procedure p. 41

7.4.2.1 Partial modification of FLUS session p. 41

7.4.2.2 Full modification of FLUS session p. 42

7.5 Session establishment p. 43

7.6 Session termination p. 44

8 FLUS Security p. 45

8.1 IMS-based FLUS p. 45

8.2 Non-IMS-based FLUS p. 45

9 Media Codec Profiles |R17| p. 45

9.1 General p. 45

9.2 IMS-based FLUS p. 45

9.3 Non-IMS-based FLUS p. 45

10 Remote Control |R17| p. 46

10.1 General p. 46

10.2 Usage of MQTT p. 46

10.3 RC Framing Message Format p. 46

A Example deployment scenarios for FLUS sub-functions |R16| p. 47

A.0 General p. 47

A.1 Deployment with minimal FLUS sub-functions p. 47

A.1.1 Introduction p. 47

A.1.2 Deployment with a Media Source and a Control Source co-located in the same device p. 47

A.1.3 Deployment with non-colocated Control Source and Media Source p. 48

A.2 Deployments with FLUS remote control sub-functions p. 48

A.2.1 Introduction p. 48

A.2.2 Deployment with stand-alone Control Source and Remote Controller sub-functions p. 49

A.2.3 Deployment with a Remote Controller co-located with a Control Sink sub-function p. 49

B Network-Based Media Processing (NBMP) |R16| p. 51

$ Change history p. 52