Rahul Kaundal
itelcotech
i
5G ARCHITECTURE
www.itelcotech.com
CPRI
Backhaul (Fiber/Microwave)
MME HSS
SGW PGW
IMS PCRF
Telecom Network Architecture
RAN Transport Core
Bare metal
(Proprietary)
HW + SW Coupled No Agility Limited use cases
Less scope of
Innovation &
Automation
Traditional
RAN
Transport
Core
Telecom Network Architecture – High level
Traditional Network
Radio Access Network
4
RAN - Site
Baseband Unit
Radio Units
CPRI (Common
Public Radio
interface)
Core NW
NR – New Radio (5G RAN); 5GC – 5G CORE;
Software
defined
networking
Building blocks of 5G
6
Traditional
5G
Software
defined
networking
Traditional Vs 5G Network Architecture
5G New Radio (NR) Architecture
4G
Transport Network – 4G Vs 5G
5G
CPRI
eCPRI
Transport Network Architecture
Source – ORAN Alliance
Transport Network Architecture – Service level
NAS Signaling
Registration
Access Authentication
Mobility management control
User subscription data
Authentication credentials
Authenticate
devices
Record Billing
Policy rules for NW
slicing, roaming &
mobility management
Signaling related to user data
Traffic steering at UPF
Manage PDU session
UE IP allocation
Packet routing & fwd.
Mobility anchor
QoS handling
AMF UDM AUSF
SMF PCF
UPF
5G Core(5GC) – Architecture ( S t a n d a l o n e : N o n – R o a m i n g ) )
5G Core Network (5GC)
AMF – Access & Mobility Management Function AUSF – Authentication Server Function
UDM – Unified Data Management Function PCF – Policy Control Function
SMF – Session Management Function UPF – User Plane Function
Control Plane
User Plane
RRM
QoS
Access
User/control
plane
Connection
setup
To learn more, visit
www.itelcotech.com
& go to learning paths/5G
itelcotech
i

5G Architecture Design AND Integration