Content for TR 22.804 Word version: 16.3.0
0 Introduction
1 Scope
2 References
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Symbols
3.3 Abbreviations
...
...
0 Introduction p. 13
5G systems will extend mobile communication services beyond mobile telephony, mobile broadband, and massive machine-type communication into new application domains, so-called vertical domains, with special requirements toward communication services. Communication for automation in vertical domains comes with demanding requirements -high availability, high reliability, low latency, and, in some cases, high-accuracy positioning.
Communication for automation in vertical domains has to support the applications for production in the corresponding vertical domain, for instance, industrial automation and energy automation, but also transportation. This focus-together with regulations specific for vertical domains-have led to tailored communication concepts in vertical domains such as dependable communication as well as specific security standards and mechanisms. The present document provides an overview on these concepts, in order to foster a common understanding used in communication for automation in vertical domains and 5G communication services, as well as the inference of a common terminology.
Many vertical use cases have been analysed by 3GPP and resulted in several vertical communication requirements that are already part of TS 22.261. Besides the already specified KPIs for latency, jitter, reliability, communication service availability, and data rate, other general vertical communication requirements need to be transposed into potential service requirements for 5G systems.
Communication for automation in vertical domains may take place in type-a and/or type-b networks. Network monitoring interfaces are necessary in order to assure network operation (SLAs). Multiple verticals and users might be using the same 5G communication network (multi-tenancy). Furthermore, vertical domains have their own security standards, implementations, and vertical-domain specific regulations, leading to stage-1 potential security requirements. Finally, integration between 5G communication systems and already existing communication networks of vertical domains is required.
Several missing representative vertical use cases for communication in automation in vertical domains are described in the present document and used for the derivation of further stage-1 potential requirements. These use cases focus on low latency, high reliability, and high communication service availability. Examples are automated guided vehicles and rail-bound mass transit (subways and suburban rail).
The present document provides new use cases and stage 1 potential requirements that have not yet been covered in previous stage 1 specifications. It is based on input from relevant stakeholders of the respective vertical domains.
1 Scope p. 14
The present document focuses on 5G communication for automation in vertical domains. This is communication that is involved in the production of and working on work pieces and goods, and/or the delivery of services in the physical world. Such communication often necessitates low latency, high reliability, and high communication service availability. Nevertheless, other types of communication are also possible in this area. Moreover, communications with low latency, high reliability, and high communication service availability, and other, not so demanding communication services, may run in parallel on the same 5G infrastructure.
The present document identifies stage 1 potential requirements for 5G communication for automation in vertical domains. The potential requirements are derived from different sources:
- existing work on dependable communication as used in vertical domains; see, for instance, IEC 61907 [2];
- use cases describing network operation in vertical domains with, for instance, common usage of the network (multi-tenancy) and network monitoring for assurance of service level agreements;
- security mechanisms already used in vertical domains; supporting the specific security requirements of vertical domains;
- new (additional to already existing stage-1 work), representative use cases in different vertical domains based on input from relevant vertical interest organisations and other stakeholders.
2 References p. 14
The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
- References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
- For a specific reference, subsequent revisions do not apply.
- For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
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3 Definitions, symbols and abbreviations p. 18
3.1 Definitions p. 18
For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
aggregator:
Service provider managing a system of electric generation units, storage systems, and load (consumers), with independent control and customer support in its own coverage area.
automation:
the automatic operation or control of a process, device, or system.
characteristic parameter:
numerical value that can be used for characterising the dynamic behaviour of communication functionality from an application point of view.
clock synchronisation service:
the service to align otherwise independent UE clocks.
clock synchronicity:
the maximum allowed time offset within the fully synchronised system between UE clocks.
communication service availability:
percentage value of the amount of time the end-to-end communication service is delivered according to an agreed QoS, divided by the amount of time the system is expected to deliver the end-to-end service according to the specification in a specific area.
communication service reliability:
ability of the communication service to perform as required for a given time interval, under given conditions.
end-to-end latency:
the time that takes to transfer a given piece of information from a source to a destination, measured at the communication interface, from the moment it is transmitted by the source to the moment it is successfully received at the destination.
factory automation:
automation application in industrial automation branches typically with discrete characteristics of the application to be automated with specific requirements for determinism, low latency, reliability, redundancy, cyber security, and functional safety.
IoT device:
a type of UE which is dedicated for a set of specific use cases or services and which is allowed to make use of certain features restricted to this type of UEs.
isochronous:
the time characteristic of an event or signal that is recurring at known, periodic time intervals.
influence quantity:
quantity not essential for the performance of an item but affecting its performance.
jitter:
the maximum deviation of a time parameter relative to a reference or target value
microgrid:
Local grid, with own energy generation and power consumption; limited geographical area, typical example: power network for a university campus.
private slice:
a dedicated network slice deployment for the sole use by a specific tenant.
process automation:
automation application in industrial automation branches typically with continuous characteristics of the application to be automated with specific requirements for determinism, reliability, redundancy, cyber security, and functional safety.
renewable generators:
photovoltaic panels or wind turbines; energy generation unit.
survival time:
the time that an application consuming a communication service may continue without an anticipated message.
transmission time:
the interval from a start event at the reference interface of a source until a stop event of the same transmission at the reference interface of a target.
type-a network:
a 3GPP network that is not for public use and for which service continuity and roaming with a PLMN is possible.
type-b network:
an isolated 3GPP network that does not interact with a PLMN.
update time:
the interval from a start event at the reference interface of a target until a following stop event at the same reference interface.
up state:
state of being able to perform as required.
up time:
time interval for which the item is in an up state.
user equipment:
An equipment that allows a user access to network services via 3GPP and/or non-3GPP accesses.
user experienced data rate:
the minimum data rate required to achieve a sufficient quality experience, with the exception of scenario for broadcast like services where the given value is the maximum that is needed.
vertical domain:
a particular industry or group of enterprises in which similar products or services are developed, produced, and provided.
3.2 Symbols p. 20
For the purposes of the present document, the following symbols apply:
Tcycle
Cycle time of a cyclic data communication service
3.3 Abbreviations p. 20
For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
5G
Fifth Generation
AC
Alternating Current
AGV
Automated Guided Vehicle
AR
Augmented Reality
A/V
Audio/Video
C2C
Control-to-Control
CAN
Controller Area Network
CCTV
Closed Circuit Television
CRC
Cyclic Redundancy Check
DL
Down Link
DMS
Distribution Management System
DP
Differential Protection
DSO
Distribution System Operator
DTU
Distribution Termination Units
EAP
Extensible Authentication Protocol
ECU
Engine Control Unit
EMS
Energy Management System
ERP
Enterprise Resource Planning
FIFO
First in, First out
FR
Foundational Requirement
GoA
Grade of Automation
GNSS
Global Navigation Satellite System
HD
High definition
HGV
Heavy Good Vehicle
HMI
Human-Machine Interface
HVAC
High-Voltage Alternating Current
HVDC
High-Voltage Direct Current
IEC
International Electrotechnical Commission
IEEE
Institute of Electrical and Electronics Engineers
IEM
In-Ear Monitor
INV
Inverter, electronic power converter, with co-located communications and data processing unit
IOPS
Isolated E-UTRAN Operation for Public Safety
IoT
Internet of Things
IPsec
IP Security
IT
Information Technology
LAA
Licensed-Assisted Access
LOS
Line of Sight
μDC
Micro Data Centre
MEC
Multi-Access Edge Computing
MES
Manufacturing Execution System
ML
Machine Learning
MNO
Mobile Network Operator
MPSC
Manufactured Product as a Smart Client
MTTC
Mass Transit Train Control
OT
Operational Technology
OTT
Over the Top
PA
Public Address
PDU
Protocol Data Unit
PER
Packet Error Ratio
PLC
Programmable Logic Controller
PMSE
Programme Making and Special Events
PMU
Phasor Measurement Unit
PS
Power Station
PTP
Precision Time Protocol
RE
Requirement Enhancement
RES
Renewable Energy Sources
SCADA
Supervisory Control and Data Acquisition
SL
Security Level
SR
Security Requirement
TSO
Transmission System Operator
UL
Up Link
VLAN
Virtual LAN
VR
Virtual Reality
WSN
Wireless Sensor Network
WWAN
Wireless Wide Area Network
