5G Core Network Evolution for NSA and SA

Youcef Salem Atia Sr. Manager Data Platforms Planning, du

MBA, PMP

April, 2019

1

Agenda

Market Updates

5G Technology

Transition towards 5G

CUPS Architecture, VMs vs Containers

EITC (DU) 5G deployment

Smart Ecosystems

• 66% of organizations have plans to deploy 5G by 2020.

Source: Gartner Dec 2018.

Smart Workplace

Smart Car

Smart city

Smart home

Countless new applications

• IoT communications remains the most popular target use case for 5G, with 59 percent.

• The next most popular use case is video.

Source: Gartner Dec 2018.

URLCC

• Ultra-Reliable and Low Latency Communications

• require more bandwidth with ultra-reliable low latency .

• require the 5G Core deployment for full end-2-end latency reduction.

• require wide coverage

mMTC

• mMTC has been already developed as part of 3GPP Release 13/14 low power wide area (LPWA) technologies.

• includes NB-IoT.

eMBB

• offering ultra-high speed

• Offering sufficient capacity in

the initial stage

• Provides greater data-

bandwidth complemented by

moderate latency

improvements on both 5G NR

and 4G LTE.

Hype Cycle for the Future of Wireless Networks Infrastructure, 2018

Source: Gartner Dec 2018.

5G Technology

Migration for NSA to SA Mode

EPC

LTERadio

5GNR

UE

5G Radio in NSA Mode

5GC

LTERadio

5GNR

UE

5G Radio in SA Mode

Control Plane

User Plane

Option 2

Migration possibilities for NSA to SA 5G

5GC

5GNR

UE

LTERadio

5GNR

UE

Option 4

UE

Option 5

5GC

LTERadio

EPC

LTERadio

5GNR

UE

Option 3

EPC

LTERadio

5GNR

UE

Option 3A

EPC

LTERadio

5GNR

UE

Option 3X

5GC

Source: 5G deployment options are being defined in 3GPP using either the existing EPC (Evolved Packet Core, specified in 3GPP TS 23.401 [10]) or the 5GC (5G Core network, specified in 3GPP TS 23.501 [11]).

LTERadio

5GNR

UE

Option 4A

5GC

X2

XnLTE

Radio5GNR

UE

Option 7

5GC

LTERadio

5GNR

UE

Option 7A

5GC

LTERadio

5GNR

UE

Option 7X

5GC

Xn

Transition towards 5G

Core 4G Network current Deployment

PCRF

HSS

MME

E-UTRAN

2/3/4G UE

UGW

4G Architecture

Changes to 5G NSA

PCRF

HSS

MME

E-UTRAN

2/3/4G UE

UGW

SGW-C PGW-C

PCRF+

HSS+

MME+

SGW-U PGW-U

NR

NSA UE

GW-User plane

GW -Control plane

4G Architecture 5G NSA Architecture

Changes to 5G SA

PCRF

HSS

MME

E-UTRAN

2/3/4G UE

UGW

SGW-C PGW-C

PCRF+

HSS+

MME+

SGW-U PGW-U

NR

NSA UE

GW-User plane

GW -Control plane

4G Architecture 5G SA Architecture

SMF

PCF

UDM

AMF

UPF

NR

SA UE

5G NSA Architecture

CUPS Architecture, VMs vs Containers

CUPS architecture & Network functions

PCF NEF AMF NRF

SMF CHF SMSF NSSF

5GNR NodeB AF NWDAF

UDM UDR USDF UPF

SEPP

BSF

N3IWF

NRF

SPFAUSF

Mapping of Network functions

USDF UDR UDM

Data

NSSF BSF NRF

Routing & Selection

SPF

AMF 5GNR gNodeB

Access

N3IWF

Interworking

NEF

Service exposure

NWDAF

Monitor & report

AF

Services

CHF

Charging

SMSF

AUSF

Security

PCF

Policy

SEPP

SMF

PDU Session & User Plane

UPF

Containers vs. Virtual Machines

EITC (DU) 5G deployment

EITC (DU) 5G Trials and Commercialization Activities

Network

Virtualization

2017

5G Trials

Jun 2018 Oct 2018 2019

First

commercial 5G

EITC 5G Network Migration Plan

5G NSA 5G NSA + SA 5G SA

21 3

EPC+

LTERadio

5GNR

UE

S1-U S1-C

EPC+

LTERadio

5GNR

UE

S1-U S1-C

Option 3xOption 7X/4

Interworking with EPC/5GC

5GC

X2 Xn LTERadio

5GNR

UE

Option 7X/4

5GC

Xn

Challenges

• Different Options for 5G migration

• Coexistence of Physical and Virtual EPC

• CUPS & Distributed EPC

• VOICE Strategy for NSA

Page 22

Questions ?