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Integration of 5G and TSN
Balázs Varga, János Farkas, György Miklós, and Joachim Sachsbalazs.a.varga@ericsson.com, janos.farkas@ericsson.com, gyorgy.miklos@ericsson.com, joachim.sachs@ericsson.com
Ericsson Research 2020-01-25Joint IEEE 802 and ITU-T Study Group 15 Workshop, Geneva, Switzerland,
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 2
Outline
— 5G
— Using for Industrial IoT
— Building blocks
— 5G: Ultra-Reliable and Low-LatencyCommunication (URLLC)
— TSN: IEEE components
— Putting it all together
— Proof of concept
— Summary
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 3
5G for …
Cyber-physical systems
A digital infrastructure for industrial and societal
transformation
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 4
Cellular IoT Segments
Commercial – Growth Early pilots – Standardization
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 5
5G
Enhanced mobile broadband
Ultra-Reliable and Low-Latency
Communication(URLLC)
Massive machine-type
communication
5G URLLC Components
Time
synchronization
Low latency
Reliability
Resource management5G
URLLC gNB
UE
UL schedulingrequest (SR)
UL grant
UL transmission
Skip SR-to-grant delay
NR slot = 14 OFDM symbols
Mini-slot
5G System
5G ultra-reliable and low-
latency communication
Latency
Pro
babilit
y
Bound
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 6
TSN Components
Resource management
Timesynchronization
Reliability
Bounded low latency TSN
Guaranteed delivery in aguaranteed time window
Latency
Pro
ba
bili
ty
Bo
un
d
CNC
TSN Components
Latency
ReliabilitySynchronization
Resource Mgmt
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 7
Perfect Match between 5G URLLC and TSN
Time
synchronization
Low latency
Reliability
Resource management5G
URLLC gNB
UE
UL schedulingrequest (SR)
UL grant
UL transmission
Skip SR-to-grant delay
NR slot = 14 OFDM symbols
Mini-slot
5G System
5G ultra-reliable and low-
latency communication
Latency
Pro
babilit
y
Bound
Resource management
Time
synchronization
Reliability
Traffic shaping TSN
Guaranteed delivery in a
guaranteed time window
Latency
Pro
babilit
y
Bound
CNC
match
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 8
Putting It All Together
Integration for reliability, low latency, and time synchronization
TSN/Ethernet domain
IIoTdevice
UE
5GC
RAN
PLC
5G domain supporting TSN/Ethernet
TSN control
Ethernet
end-to-end deterministic communication
Guaranteed data delivery in a guaranteed time window
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 9
5G Appears as a Time-Aware System
gPTP domain
5G System
IIoTdevice
UE
5GC
RAN PLC Ethernet
gPTP time
5G time
Grandmaster
TSN/Ethernet domain
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 10
5G Appears as Virtual Bridge
5G System
Virtual TSN Bridge
Virtual TSN Bridge
SDN Controller
Endstation
CNC
Endstation
CUC
PCF
AF asTT
gNB UPFUE
IO device(sensor/actuator)
Controller
CUC control CUC control
NETCONF/RESTCONF
End-to-end Ethernet
gNB UPFUETSNbridge
TSNbridge
TSNbridge
TSNbridge
FR
ER
FR
ER
TT
TT TT
TT
PDU Session 1
PDU Session 2
TSN FRER
5G control plane
5G user plane
TSN Translator (TT)for Interworking
deterministic latency
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 11
End-to-End URLLC for Massive Robot Collaboration
Edgecloud
— 5G reliability integratedwith TSN reliability
— Replicated copies of motioncontrol messages over disjointpaths (blue and green) as perIEEE 802.1CB FRER
— Demonstrated in 2019 at Mobile World Congress and Hannover Messe
Redundant andlow-latency 5Gradio prototype
Edge cloud runs motion control
6 robot armscollaborate
18 flexibleservo-modules
video
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 12
Network Convergence
OT
IT Telecom
Integration
B. Varga, J. Farkas, G. Miklós, and J. Sachs | 2020-01-25 | Integration of 5G and TSN | Page 13
Summary
— Integration of 5G and TSN meets networking requirements for industrial automation
— Basic tools for 5G and TSN integration
— Integrated time synchronization
— Bounded low latency
— Control plane: fully centralized model
— 5G standardization for enhancements ongoing
https://www.ericsson.com/en/networks/offerings/cellular-iot
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