5 G Mobile Network Architecture and Network Integration

5 G Mobile Network Architecture and Network Integration Álvaro Martín Heredia Universidad de Málaga Eu. Wireless project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 777517 More info at www. euwireless. eu and info@euwireless. eu

Table of Contents • 5 G Objective Requirements • Architecture • PDU Session • Control/User Plane Separation • Service-Based Architecture • Stateless NFs • Exposure Capability • Network Slicing • Non Standalone Deployment 2

5 G for what? Gigabytes in a second e. MBB System Capacity 1000 x capacity/km 2 Data Rate >10 Gbps per connection Latency <1 ms Connection Density 1 M connections/km 2 Battery Life for Io. T >10 years Deep Coverage Ultra Reliability/ <164 d. Bm MCL 3 D video, UHD screens Smart Home/Building Work and play in the cloud Augmented reality Industry automation Mission critical application Self Driving Car Voice Smart City m. MTC Source: ITU-R Rec. M. 2083 u. RLLC 3

5 G Foundations • Flexibility - Virtualization • Densification • Network Convergence 4

5 G Architecture NSSF Nnef Nnssf Namf UE Nnrf AUSF N 2 (R)AN PCF AF UDM Naf Nudm Npcf Nsmf Nausf AMF N 1 NRF NEF SMF N 4 N 3 UPF N 6 DN PDU Session Source: 3 GPP TS 23. 501 5

PDU Session UE PDU Session g. NB UPF N 3 Tunnel DRBs Qo. S Flow 1 Qo. S Flow 2 > Qo. S Flow 3 Qo. S Flow 4 Source: 3 GPP TS 38. 300 6 APPs IP Flows

CUP Separation NSSF Nnef Nnssf Namf UE Nnrf AUSF N 2 (R)AN PCF AF UDM Naf Nudm Npcf Nsmf Nausf AMF N 1 NRF NEF SMF N 4 N 3 Source: 3 GPP TS 23. 501 UPF Control Plane User Plane N 6 DN 7

Service-Based Architecture(SBA) NSSF Nnef Nnssf Namf UE Nnrf AUSF N 2 (R)AN PCF AF UDM Naf Nudm Npcf Nsmf Nausf AMF N 1 NRF NEF SMF N 4 N 3 Source: 3 GPP TS 23. 501 UPF N 6 DN 8

Service-Based Architecture(SBA) NRF Registration Discovery/Authorization Service Request/Authorization AMF SMF • NFs offer services that other NFs consume. • NRF acts like a DNS server, facilitating service discovery. • Facilitates SDN and NFV concepts in 5 G. • Server-Based Interface: • HTTP/2 Application Protocol • JSON Serialization Protocol • TCP Transport Protocol Source: 3 GPP TS 29. 500, TS 29. 510 9

Stateless NFs NSSF Nnef Nnssf Namf UE Npcf Nnrf Naf Nudm Nsmf AUSF N 2 (R)AN AF UDM PCF Nausf AMF N 1 NRF NEF SMF N 4 N 3 Source: 3 GPP TS 23. 501 UPF N 6 DN 10

Stateless NFs Nudm Npcf Nnef UDM PCF Nudr UDR Namf AMF AMF Nudsf UDSF NEF Source: 3 GPP Summit in CEATEC 2018 - Makuhari, Japan, October 17, 2018 11

Exposure Capability NSSF Nnef Nnssf Namf UE Nnrf AUSF N 2 (R)AN PCF AF UDM Naf Nudm Npcf Nsmf Nausf AMF N 1 NRF NEF SMF N 4 N 3 Source: 3 GPP TS 23. 501 UPF N 6 DN 12

Exposure Capability AF - Application Function • App influence on traffic routing • Interacting with Policy framework for policy control • Accessing NEF - Network Exposure Function • Exposure of capabilities and events • Secure provision of information from external apps to 3 GPP network. • Translation of internal-external information • • Events related to users. Information of Provision capability Policy and charging capabilities CN internal capabilities for analytics. Source: 3 GPP TS 23. 501, TS 23. 502 13

Exposure Capability NSSF Nnef Nnssf Namf AMF N 1 UE NRF NEF Npcf Nnrf AUSF UDM Nudm Naf Nsmf Nausf SMF AF N 4 N 2 (R)AN PCF N 3 UPF MEC Host Source: MEC Deployments in 4 G and Evolution Towards 5 G, ETSI White Paper No. 24 Feb 2018 14

Network Functions Virtualization (NFV) COTS HW AMF AMF SMF SMF UDM UDM UPF UPF 15

Network Slicing RAN CN e. MBB Slice RAN Slice e. MBB AMF SMF UDM UPF PCF AUSF AMF SMF UDM V 2 X Slice RAN Slice u. RLLC MEC Host UPF 16

Network Slice • A logical network that provides specific network capabilities and network characteristics. • Virtual network over a common shared physical infrastructure that can be created “on-demand” in order to meet specific needs of applications, devices, customers or operators. o Self-contained o Isolated o Configurable and Programmable o Multitenancy capability o Supports one or multiple type of services Source: 3 GPP TS 23. 501 17

Network Slicing 18

Network Slicing Source: 3 GPP TS 28. 530 19

5 G TIME LINE Source: 3 GPP 20

Non-Standalone (NSA) Deployment 4 G EPC Control Plane Data Plane 4 G e. NB 5 G g. NB 21

Thank you! Álvaro Martín Heredia Universidad de Málaga Eu. Wireless project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 777517 More info at www. euwireless. eu and info@euwireless. eu