(NEW)GTI 5G Smart Devices Supporting Network Slicing White Paper

Report in Collaboration with the GSMA Highlights Best Practice from National 5G Plans

2021-01-15 16:57:05 | Source:

 1 Introduction 5


2 Service Capability of Network Slicing in 5G device 5
2.1 Typical Use Cases and Scenarios 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 Technologies and End-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 Update 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 Acquisition and Use 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 Summary and Comparison 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 coverage and existing capabilities. 24
6.3 Network Slicing test areas. 24
6.4 URSP test areas. 25
6.5 Application layer and Operating 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.xml and assign APN type to the newly added DNN types, e.g., DNN1 or DNN2. 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 select 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下载图片.jpg

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