5g core network evolution for nsa and sa core network evolution for nsa and sa.pdf · 2019. 11....
TRANSCRIPT
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5G Core Network Evolution for NSA and SA
Youcef Salem Atia Sr. Manager Data Platforms Planning, du
MBA, PMP
April, 2019
1
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Agenda
Market Updates
5G Technology
Transition towards 5G
CUPS Architecture, VMs vs Containers
EITC (DU) 5G deployment
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Smart Ecosystems
• 66% of organizations have plans to deploy 5G by 2020.
Source: Gartner Dec 2018.
Smart Workplace
Smart Car
Smart city
Smart home
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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.
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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.
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Hype Cycle for the Future of Wireless Networks Infrastructure, 2018
Source: Gartner Dec 2018.
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5G Technology
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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
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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
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Transition towards 5G
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Core 4G Network current Deployment
PCRF
HSS
MME
E-UTRAN
2/3/4G UE
UGW
4G Architecture
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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
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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
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CUPS Architecture, VMs vs Containers
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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
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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
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Containers vs. Virtual Machines
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EITC (DU) 5G deployment
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EITC (DU) 5G Trials and Commercialization Activities
Network
Virtualization
2017
5G Trials
Jun 2018 Oct 2018 2019
First
commercial 5G
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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
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Challenges
• Different Options for 5G migration
• Coexistence of Physical and Virtual EPC
• CUPS & Distributed EPC
• VOICE Strategy for NSA
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Questions ?