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GTI 5G Smart Devices Supporting Network Slicing White Paper

2021-01-15 16:57:00| Source:

1 Introduction 5


2 Service Capability of Network Slicing in 5G device 5

2.1 Typical Use CasesScenarios of Network Slicing in the 5G device 5

2.1.1 Cloud Gaming 6

2.1.2 Live Video 6

2.1.3 HD video playback 7

2.2 Limitations of QoS Service Capabilities 8

2.3 Advantages of Network Slicing Service Capabilities 10


3 Key TechnologiesEnd-to-End Procedure of 5G Network Slicing 11

3.1 Network Slicing Parameters 11

3.2 Fundamental Functional Requirements for Network Slicing 12

3.2.1 Managing network slice parameters on device side 12

3.2.2 Setting up PDU sessions over a network slice 12

3.2.3 Maintaining PDU sessions over a network slice 12

3.3 Protocol Signaling Procedure 13

3.3.1 Registration 13

3.3.2 PDU Session Establishment 14

3.3.3 UE Configuration 14


4 Challenges of the Implementation for 5G Network Slicing in Device 15

4.1 Operating System not natively supporting URSP 15

4.2 Potential Modification of the Applications 16

4.3 AcquisitionUse of Traffic Descriptor 16


5 Reference Solution of Network Slicing in the Device 17

5.1 Network Slicing Solution based on APP ID 19

5.2 Network Slicing Solution based on FQDN 20

5.3 Network Slicing Solution based on IP 3 Tuples 20

5.4 Network Slicing Solution based on DNN 20

5.4.1 DNN-Based Solution 1 20

5.4.2 DNN-Based Solution 2 21

5.4.3 SummaryComparison for DNN-based Solutions 22

5.5 Network Slicing Solution based on Multiple Traffic Descriptors 23


6 Test Requirements for 5G Network Slicing in Device 24

6.1 Testing requirements. 24

6.2 Test coverageexisting capabilities. 24

6.3 Network Slicing test areas. 24

6.4 URSP test areas. 25

6.5 Application layerOperating System 25

6.6 Testing methodology 26

6.6.1 NSSAI tests 26

6.6.2 URSP tests 26

6.6.3 ‘End to end’ tests 26


7 Summary 26

7.1 Summary of 5G network slicing scheme in the device 26

7.2 Prospect of network slicing in the device 27

7.3 Conclusion 28


8 Appendix 29

8.1 DNN-Based Solution 1(Reference code of DNN indirect delivery scheme) 29

8.1.1 Changes to OS APIs: 29

8.1.2 Map network capability to APN type 34

8.1.3 Include operator specified APN to apn-config.xmlassign APN type to the newly added DNN types, e.g., DNN1DNN2. 34

8.1.4 Changes to AOSP HIDL APN type (hardware\interfaces\radio\1.5\types.hal) 34

8.1.5 RILD Invokes modem functionalities to a network slice to establish a PDU session together with other parameters in RSD 35

8.2 DNN-Based Solution 2(Reference code of DNN direct delivery scheme) 35

8.3 APIs for Apps 37

8.3.1 Solution 1 37

8.3.2 Solution 2 38

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