Industrial networks - Coexistence of wireless systems - Part 4: Coexistence management with central coordination of wireless applications (IEC 62657-4:2022)

IEC 62657-4:2022 specifies a concept and methods for central coordination (CC) of automation applications using wireless communications to extend the coexistence management according to IEC 62657-2. It establishes system elements, interfaces and relationships for a central coordination. Functions, data, and data exchange for assessing and maintaining the coexistence state are specified.
This document specifies the central coordination point (CCP) approach as one example of the usage of the formal description given in IEC 62657-3.
This document is applicable to develop, implement, or modify procedures or solutions.
This document provides requirements for automated coexistence management systems.
This document provides requirements for:
• determination of the coexistence state,
• automated coexistence management procedures,
• CC amendments for existing wireless communication solutions,
• CC functions that coordinate legacy and new wireless communication systems.
This document is not restricted to a specific radio frequency range nor is it restricted to a specific wireless communication technology.

Industrielle Kommunikationsnetze - Koexistenz von Funksystemen - Teil 4: Koexistenz-Management mit zentraler Koordination von Funkanwendungen (IEC 62657-4:2022)

Réseaux industriels - Coexistence des systèmes sans fil - Partie 4: Gestion de coexistence avec coordination centralisée des applications sans fil (IEC 62657-4:2022)

l’IEC 62657-4:2022 spécifie un concept et des méthodes de coordination centrale (CC) des applications d’automatisation à l’aide de communications sans fil, afin d’étendre la gestion de coexistence selon l’IEC 62657-2. Elle établit les éléments de système, les interfaces et les relations permettant d’assurer une coordination centrale. Les fonctions, les données et les échanges de données permettant d’évaluer et de maintenir l’état de coexistence sont spécifiés.
Le présent document spécifie l’approche du point de coordination central (CCP) comme exemple d’utilisation de la description formelle donnée dans l’IEC 62657-3.
Le présent document vise à développer, mettre en œuvre ou modifier des procédures ou solutions.
Le présent document fournit les exigences relatives aux systèmes automatisés de gestion de coexistence.
Il fournit les exigences relatives:


       
  • à la détermination de l’état de coexistence;

  •    
  • aux procédures automatisées de gestion de coexistence;

  •    
  • aux amendements de la coordination centrale pour les solutions de communication sans fil existantes;

  •    
  • aux fonctions de coordination centrale qui coordonnent les systèmes de communication sans fil existants et nouveaux.


Le présent document ne se limite pas à une plage de fréquences radio particulière ni à une technologie de communication sans fil spécifique.

Industrijska omrežja - Soobstoj brezžičnih sistemov - 4. del: Upravljanje soobstoja s centraliziranim usklajevanjem brezžičnih aplikacij (IEC 62657-4:2022)

Ta del standarda IEC 62657 določa koncept in metode centraliziranega usklajevanja (CC) avtomatizacijskih aplikacij, pri katerih se uporablja brezžična komunikacija, za razširitev upravljanja soobstoja v skladu s standardom IEC 62657-2. V njem so opredeljeni elementi sistema, vmesniki in razmerja za centralizirano usklajevanje. Določa funkcije, podatke ter izmenjavo podatkov za namene ocenjevanja in vzdrževanja soobstoja. V dokumentu je opredeljen pristop s točkami centraliziranega usklajevanja (CCP), in sicer kot primer uporabe uradnega opisa iz standarda IEC 62657-3. Ta dokument se uporablja za razvoj, izvajanje ali spreminjanje postopkov ali rešitev. Ta dokument določa zahteve za samodejne sisteme upravljanja soobstoja. Dokument podaja zahteve za: • ugotavljanje soobstoja, • postopke samodejnega upravljanja soobstoja, • spremembe centraliziranega usklajevanja za obstoječe brezžične komunikacijske rešitve, • funkcije centraliziranega usklajevanja, ki usklajujejo stare in nove brezžične komunikacijske sisteme. Ta dokument ni omejen na specifično radiofrekvenčno območje ali specifično brezžično komunikacijsko tehnologijo.

General Information

Status
Published
Public Enquiry End Date
29-Sep-2019
Publication Date
08-Sep-2022
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
27-Jul-2022
Due Date
01-Oct-2022
Completion Date
09-Sep-2022

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SLOVENSKI STANDARD
01-oktober-2022
Industrijska omrežja - Soobstoj brezžičnih sistemov - 4. del: Upravljanje soobstoja
s centraliziranim usklajevanjem brezžičnih aplikacij (IEC 62657-4:2022)
Industrial networks - Coexistence of wireless systems - Part 4: Coexistence management
with central coordination of wireless applications (IEC 62657-4:2022)
Industrielle Kommunikationsnetze - Koexistenz von Funksystemen - Teil 4: Koexistenz-
Management mit zentraler Koordination von Funkanwendungen
(IEC 62657-4:2022)
Réseaux industriels - Coexistence des systèmes sans fil - Partie 4: Gestion de
coexistence avec coordination centralisée des applications sans fil
(IEC 62657-4:2022)
Ta slovenski standard je istoveten z: EN IEC 62657-4:2022
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.110 Omreževanje Networking
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62657-4

NORME EUROPÉENNE
EUROPÄISCHE NORM July 2022
ICS 25.040
English Version
Industrial networks - Coexistence of wireless systems - Part 4:
Coexistence management with central coordination of wireless
applications
(IEC 62657-4:2022)
Réseaux industriels - Coexistence des systèmes sans fil - Industrielle Kommunikationsnetze - Koexistenz von
Partie 4: Gestion de coexistence avec coordination Funksystemen - Teil 4: Koexistenz-Management mit
centralisée des applications sans fil zentraler Koordination von Funkanwendungen
(IEC 62657-4:2022) (IEC 62657-4:2022)
This European Standard was approved by CENELEC on 2022-07-04. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62657-4:2022 E

European foreword
The text of document 65C/1164/FDIS, future edition 1 of IEC 62657-4, prepared by SC 65C "Industrial
networks" of IEC/TC 65 "Industrial-process measurement, control and automation" was submitted to
the IEC-CENELEC parallel vote and approved by CENELEC as EN IEC 62657-4:2022.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2023-04-04
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2025-07-04
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 62657-4:2022 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 61360 (series) NOTE Harmonized as EN 61360 (series)
IEC 61784-2 NOTE Harmonized as EN IEC 61784-2
IEC 62591 NOTE Harmonized as EN 62591
IEC 62601 NOTE Harmonized as EN 62601
IEC 62657 (series) NOTE Harmonized as EN 62657 (series)
IEC 62734 NOTE Harmonized as EN 62734
IEC 62769 (series) NOTE Harmonized as EN IEC 62769 (series)
IEC 62948 NOTE Harmonized as EN 62948
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1  Where an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 62657-2 2022 Industrial communication networks - EN IEC 62657-2 2022
Coexistence of wireless systems - Part 2:
Coexistence management
IEC 62443 series Security for industrial automation and control - -
systems
ISO/IEC 10731 - Information technology - Open Systems - -
Interconnection - Basic Reference Model -
Conventions for the definition of OSI services

IEC 62657-4 ®
Edition 1.0 2022-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial networks – Coexistence of wireless systems –

Part 4: Coexistence management with central coordination of wireless

applications
Réseaux industriels – Coexistence des systèmes sans fil –

Partie 4: Gestion de coexistence avec coordination centralisée des applications

sans fil
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040 ISBN 978-2-8322-1012-3

– 2 – IEC 62657-4:2022 © IEC 2022
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 10
3 Terms, definitions, abbreviated terms and conventions . 11
3.1 General . 11
3.2 Terms and definitions specific for this document . 11
3.3 Additional terms and definitions for the templates . 12
3.4 Terms and definitions given in IEC 62657-2 . 14
3.5 Abbreviated terms . 16
3.6 Conventions used for service descriptions . 17
4 Area of consideration . 18
4.1 Coexistence conceptual model . 18
4.2 Investigation of coexistence state . 18
4.3 Implementing radio resources and their utilization . 21
4.4 Coexistence management equipment . 22
5 Wireless coexistence management system architecture . 22
5.1 General . 22
5.2 System elements . 26
5.2.1 Wireless systems and wireless devices for automation applications . 26
5.2.2 Central coordination point . 27
5.2.3 Coordination database . 30
5.2.4 Spectrum sensing system . 31
5.3 Protocol reference architecture . 32
5.3.1 General . 32
5.3.2 Data plane . 33
5.3.3 Management and control plane . 34
5.4 System of wireless communication applications . 35
5.4.1 CCP concept for sharing with incumbent radio systems . 35
5.4.2 Protection of incumbent radio systems . 35
5.4.3 CCP concept for intra-system coexistence . 35
5.5 Interfaces . 37
5.5.1 CCP . 37
5.5.2 CCP managed wireless communication application and wireless device . 37
5.5.3 Database . 37
5.5.4 Spectrum sensing system . 38
6 Parameter for coexistence assessment . 38
7 Parameter for coexistence control . 38
7.1 General . 38
7.2 Application parameter . 39
7.3 Radio parameter . 39
8 Management and control services . 40
8.1 General . 40
8.2 Application communication requirements management services. 41
8.2.1 Supported services . 41
8.2.2 GetGeneralPlantCharacteristic . 41

IEC 62657-4:2022 © IEC 2022 – 3 –
8.2.3 SetGeneralPlantCharacteristic . 43
8.2.4 GetApplicationCommunicationRequirements . 44
8.3 Wireless communication system and device subscription services . 46
8.3.1 Supported services . 46
8.3.2 SubscribeDevice . 46
8.3.3 UnsubscribeDevice . 48
8.3.4 SubscribeSystem . 50
8.3.5 UnsubscribeSystem . 52
8.3.6 GetDeviceAttributes . 53
8.4 Wireless communication system and device configuration and control
services . 56
8.4.1 Supported services . 56
8.4.2 SetTransmitPower . 56
8.4.3 SetFrequencyChannel . 57
8.4.4 SetBandwidth . 59
8.4.5 SetFrequencyHoppingSequence . 60
8.4.6 SetBlockedFrequencyList . 61
8.4.7 SetDwellTime . 63
8.4.8 SetMediumAccessControlMechanism . 64
8.4.9 SetDeviceStatus . 65
8.4.10 GetParameter . 67
8.4.11 SetParameter . 69
8.5 Medium resource management services . 70
8.5.1 Supported services . 70
8.5.2 GetMediumResourceReport . 71
8.5.3 SetMediumResourceReport . 73
8.5.4 NotifyMediumResource . 75
8.5.5 SetMediumSensingReport . 77
8.5.6 NotifyMediumSensingResults . 79
8.6 Database access services . 81
8.6.1 Supported service . 81
8.6.2 GetRadioRegulation . 81
Annex A (informative) Example of a CCP controlled WCA and incumbent
services/applications within the 5,8 GHz band . 84
Annex B (informative) Use of IEC CDD . 86
Annex C (informative) Mapping of the services to templates . 88
C.1 General . 88
C.2 Templates of the management services . 88
C.3 Templates of the subscription services. 91
C.4 Templates of the Wireless communication system and device configuration
and control services . 94
C.5 Templates of the Medium resource management services . 97
C.6 Templates of the Database access services . 100
Bibliography . 101

Figure 1 – Wireless coexistence conceptual model according to IEC 62657-2 . 18
Figure 2 – Sources to determine parameters for coexistence state calculation . 19
Figure 3 – Coexistence state function . 21

– 4 – IEC 62657-4:2022 © IEC 2022
Figure 4 – Parameters describing active influences and control parameters used to
manage coexistence . 22
Figure 5 – Elements of central coordinated coexistence management system . 24
Figure 6 – Data exchange in central coordinated coexistence management system . 25
Figure 7 – CCP managed wireless devices and CCP managed wireless systems . 27
Figure 8 – Overview of CCP . 28
Figure 9 – Protocol reference model of CCP managed wireless device . 33
Figure 10 – CCP for intra-system coexistence. 36
Figure 11 – Primitive flow of GetGeneralPlantCharacteristic . 41
Figure 12 – Primitive flow of SetGeneralPlantCharacteristic . 43
Figure 13 – Primitive flow of GetApplicationCommunicationRequirements . 45
Figure 14 – Primitive flow of SubscribeDevice . 47
Figure 15 – Primitive flow of UnsubscribeDevice . 49
Figure 16 – Primitive flow of SubscribeSystem . 50
Figure 17 – Primitive flow of UnsubscribeSystem . 52
Figure 18 – Primitive flow of GetDeviceAttributes . 54
Figure 19 – Primitive flow of SetTransmitPower service . 56
Figure 20 – Primitive flow of SetFrequencyChannel service . 58
Figure 21 – Primitive flow of SetBandwidth service . 59
Figure 22 – Primitive flow of SetFrequencyHoppingSequence service . 60
Figure 23 – Primitive flow of SetBlockedFrequencyList service . 62
Figure 24 – Primitive flow of SetDwellTime service . 63
Figure 25 – Primitive flow of SetMediumAccessControlMechanism service . 64
Figure 26 – Primitive flow of SetDeviceStatus service . 66
Figure 27 – Primitive flow of GetParameter service for CMWCA . 67
Figure 28 – Primitive flow of GetParameter service for CMWD . 67
Figure 29 – Primitive flow of SetParameter service for CMWCA . 69
Figure 30 – Primitive flow of SetParameter service for CMWD . 69
Figure 31 – Primitive flow of GetMediumResourceReport service for CMWCA . 71
Figure 32 – Primitive flow of GetMediumResourceReport service for CMWD . 71
Figure 33 – Primitive flow of SetMediumResourceReport service for CMWCA . 73
Figure 34 – Primitive flow of SetMediumResourceReport service for CMWD . 74
Figure 35 – Primitive flow of NotifyMediumResource service for CMWCA . 76
Figure 36 – Primitive flow of NotifyMediumResource service for CMWD . 76
Figure 37 – Primitive flow of SetMediumSensingReport service for SSN . 77
Figure 38 – Primitive flow of SetMediumSensingReport service for SSF in CMWD . 78
Figure 39 – Primitive flow of NotifyMediumSensingResults service for SSN . 80
Figure 40 – Primitive flow of NotifyMediumSensingResults service for SSF in CMWD . 80
Figure 41 – Primitive flow of GetRadioRegulation service . 81
Figure A.1 – CCP controlled WCA and incumbent services and applications . 84
Figure A.2 – Overview of incumbent service/applications . 85
Figure B.1 – Fostering wireless coexistence management . 87

IEC 62657-4:2022 © IEC 2022 – 5 –
Table 1 – Explanations of radio channels . 19
Table 2 – Level of effectiveness of wireless automation . 30
Table 3 – List of parameters for coexistence assessment . 38
Table 4 – List of application parameters for coexistence control . 39
Table 5 – List of radio parameters for coexistence control. 39
Table 6 – GetGeneralPlantCharacteristic service parameters. 42
Table 7 – SetGeneralPlantCharacteristic service parameters . 43
Table 8 – GetApplicationCommunicationRequirements service parameters . 45
Table 9 – SubscribeDevice service parameters . 47
Table 10 – UnsubscribeDevice service parameters . 49
Table 11 – SubscribeSystem service parameters . 51
Table 12 – UnsubscribeSystem service parameters . 52
Table 13 – GetDeviceAttributes service parameters . 54
Table 14 – SetTransmitPower service parameter . 57
Table 15 – SetFrequencyChannel service parameter . 58
Table 16 – SetBandwidth service parameter . 59
Table 17 – SetFrequencyHoppingSequence service parameter . 61
Table 18 – SetBlockedFrequencyList service parameter . 62
Table 19 – SetDwellTime service parameter . 63
Table 20 – SetMediumAccessControlMechanism service parameter . 65
Table 21 – SetDeviceStatus service parameter . 66
Table 22 – GetParameter service parameter . 68
Table 23 – SetParameter service parameter . 70
Table 24 – GetMediumResourceReport service parameter . 72
Table 25 – SetMediumResourceReport service parameter . 74
Table 26 – NotifyMediumResource service parameter . 76
Table 27 – SetMediumSensingReport service parameter . 78
Table 28 – NotifyMediumSensingResults service parameter . 80
Table 29 – GetRadioRegulation service parameter . 82
Table A.1 – Incumbent services and applications . 85
Table C.1 – GetGeneralPlantCharacteristic service parameter template . 89
Table C.2 – SetGeneralPlantCharacteristic service parameter template . 90
Table C.3 – GetApplicationCommunicationRequirements service parameter template . 90
Table C.4 – SubscribeDevice service parameter template . 91
Table C.5 – UnsubscribeDevice service parameter template . 91
Table C.6 – SubscribeSystem service parameter template . 92
Table C.7 – UnsubscribeSystem service parameter template . 92
Table C.8 – GetDeviceAttributes service parameter template . 93
Table C.9 – SetTransmitPower service parameter template . 94
Table C.10 – SetFrequencyChannel service parameter template . 94
Table C.11 – SetBandwidth service parameter template . 95
Table C.12 – SetFrequencyHoppingSequence service parameter template . 95
Table C.13 – SetBlockedFrequencyList service parameter template . 95

– 6 – IEC 62657-4:2022 © IEC 2022
Table C.14 – SetDwellTime service parameter template . 96
Table C.15 – SetMediumAccessControlMechanism service parameter template. 96
Table C.16 – SetDeviceStatus service parameter template . 96
Table C.17 – GetParameter service parameter template . 97
Table C.18 – SetParameter service parameter template . 97
Table C.19 – GetMediumResourceReport service parameter template . 98
Table C.20 – SetMediumResourceReport service parameter template . 98
Table C.21 – NotifyMediumResource service parameter template . 99
Table C.22 – SetMediumSensingReport service parameter template . 99
Table C.23 – NotifyMediumSensingResults service parameter template . 100
Table C.24 – GetRadioRegulation service parameter template . 100

IEC 62657-4:2022 © IEC 2022 – 7 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INDUSTRIAL NETWORKS –
COEXISTENCE OF WIRELESS SYSTEMS –

Part 4: Coexistence management with central coordination
of wireless applications
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
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preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
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any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
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services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
IEC 62657-4 has been prepared by subcommittee 65C: Industrial networks, of IEC technical
committee 65: Industrial-process measurement, control and automation. It is an International
Standard.
The text of this International Standard is based on the following documents:
Draft Report on voting
65C/1164/FDIS 65C/1170/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.

– 8 – IEC 62657-4:2022 © IEC 2022
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/standardsdev/publications.
A list of all parts in the IEC 62657 series, published under the general title Industrial networks
– Coexistence of wireless systems, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates that it
contains colours which are considered to be useful for the correct understanding of its
contents. Users should therefore print this document using a colour printer.

IEC 62657-4:2022 © IEC 2022 – 9 –
INTRODUCTION
The IEC 62657 series provides background, foundations, process and examples to achieve
wireless coexistence. With a coexistence management process according to IEC 62657-2, a
predictable assuredness of coexistence can be achieved for a given spectrum while ensuring
that application requirements continue to be met. The present document provides an automated
coexistence management.
– 10 – IEC 62657-4:2022 © IEC 2022
INDUSTRIAL NETWORKS –
COEXISTENCE OF WIRELESS SYSTEMS –

Part 4: Coexistence management with central coordination
of wireless applications
1 Scope
This part of IEC 62657 specifies a concept and methods for central coordination (CC) of
automation applications using wireless communications to extend the coexistence management
according to IEC 62657-2. It establishes system elements, interfaces and relationships for a
central coordination. Functions, data, and data exchange for assessing and maintaining the
coexistence state are specified.
This document specifies the central coordination point (CCP) approach as one example of the
usage of the formal description given in IEC 62657-3.
This document is applicable to develop, implement, or modify procedures or solutions.
This document provides requirements for automated coexistence management systems.
This document provides requirements for:
• determination of the coexistence state,
• automated coexistence management procedures,
• CC amendments for existing wireless communication solutions,
• CC functions that coordinate legacy and new wireless communication systems.
This document is not restricted to a specific radio frequency range nor is it restricted to a specific
wireless communication technology.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 62657-2:— , Industrial networks – Coexistence of wireless systems – Part 2: Coexistence
management
IEC 62443 (all parts), Security for industrial automation and control systems
ISO/IEC 10731, Information technology – Open Systems Interconnection – Basic Reference
Model – Conventions for the definition of OSI services
_____________
Under preparation. Stage at the time of publication: IEC FDIS 62657-2:2022.

IEC 62657-4:2022 © IEC 2022 – 11 –
3 Terms, definitions, abbreviated terms and conventions
3.1 General
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following
addresses:
• IEC Electropedia: available at https://www.electropedia.org/
• ISO Online browsing platform: available at https://www.iso.org/obp
3.2 Terms and definitions specific for this document
3.2.1
allocation
entry in the table of frequency allocations of a given frequency band for the purpose of its use
by one or more radio communication services or the radio astronomy service under specified
conditions
3.2.2
coexistence distance
difference between the threshold value for the coexistence state and the actual value of the
coexistence state function expressing the distance before reaching the coexistence state
3.2.3
coexistence margin
difference between the actual value of the coexistence state function and the threshold for the
coexistence state expressing the reserve before leaving the coexistence state
3.2.4
database service
service officially operated under the rules of the local regulatory authority that provides a list of
available channels and possibly the maximum EIRP allowable on these channels based on
queries containing the geolocation of the wireless regional area network (WRAN) devices
3.2.5
geolocation
process of acquiring the location data of a device, determining its latitude and longitude
3.2.6
harmful interference
any emission, radiation or induction that endangers the functioning of a radio navigation service
or of other safety services or seriously degrades, obstructs, or repeatedly interrupts a
radiocommunications service operating in accordance with the ITU and local Regulations
3.2.7
incumbent radio system
wireless communication system that is not under the control of, and is not affected by, the
coexistence manager
3.2.8
logical link
application oriented communication relationship which enables the transmission of user data
between one logical end point of the reference interface in a source device and one logical end
point of the reference interface in a target device

– 12 – IEC 62657-4:2022 © IEC 2022
3.2.9
master station
data station that has been designated by the control station to ensure data transfer to one or
more slave stations
Note 1 to entry: At a given instant, there can be only one master station on a data link.
[SOURCE: IEC 60050-721:1991, 721-19-12]
3.2.10
service flow
QoS parameters for the PDUs that are exchanged on a connection, and provide a mechanism
for upstream and downstream QoS management
3.2.11
service flow identifier
SFID
unique identifier for a service flow dealing with how higher layer packets/application sessions
are mapped to their QoS requirements and scheduling constraints
3.2.12
slave station
data station that is selected by a master station to receive data
3.3 Additional terms and definitions for the templates
3.3.1
array of frequency
collected values from sensing start frequency to sensing end frequency during the sensing
process
3.3.2
array of power spectral density
collected values of power spectral density from sensing start frequency to sensing end
frequency during the sensing process
3.3.3
CCP address
communication partner identification of the central coordination point for a service
3.3.4
communication link ID
identifier (ID) as part of the response of a service execution related to the communication link
3.3.5
destination address
communication partner identification for a service
3.3.6
limits of performance parameter
value returned with the limit for a performance parameter
3.3.7
medium sensing report type
requested type of information related to the generation type of medium resource report
Note 1 to entry: The type is represented by a number with the following code: 1: Event driven; 2: Cyclic; 3:
Requested.
IEC 62657-4:2022 © IEC 2022 – 13 –
3.3.8
parameter ID
identifier (ID) of a parameter that is specified by a standard or vendor and identifies the
parameter whose value is returned
3.3.9
parameter value
contains the value of the parameter to be returned
3.3.10
performance parameter type
requested type of information related to a communication link ID
Note 1 to entry: The type is represented by a number with the following code: 1: Transmission time; 2: Update time;
3: Response time; 4: Data throughput; 5: Communication availability.
3.3.11
radio regulation database ID
identifier (ID) of the radio regulation database
3.3.12
received signal strength indication
RSSI
value of the power present in a received radio signal
3.3.13
received signal strength indication mean
RSSI mean
mean value of the power present in a received radio signal
3.3.14
received signal strength indication standard deviation
RSSI standard deviation
standard deviation value of the power present in a received radio signal
3.3.15
report interval
interval time of cyclic reports
Note 1 to entry: This belongs to the cyclic "medium sensing report type".
3.3.16
sensing duration
parameter specifying the duration of a sensing process
3.3.17
sensing end frequency
parameter specifying the stop frequency of sensing
3.3.18
sensing interval
parameter specifying the interval between sensing processes
3.3.19
sensing start frequency
parameter specifying the start frequency of sensing

– 14 – IEC 62657-4:2022 © IEC 2022
3.3.20
service status
parameter that provides information on the result of service execution
Note 1 to entry: The service status can be either ABORTED or TIMEOUT.
3.3.21
signal to interference plus noise ratio
SINR
value of the power of a certain signal of interest divided by the sum of the interference power
from all the other interfering signals and the power of some background noise
3.3.22
spectrum sensing entity ID
identifier (ID) of the spectrum sensing entity containing either SSN or SSF
3.3.23
status
parameter that specifies the behavior of the wireless device concerning configuration by a code
Note 1 to entry: The status is represented by a number with the following code: 0: No address assigned; 1:
Unconfigured; 2: Configured.
3.3.24
system address
communication partner identification of the system for a service
3.3.25
timestamp
information concerning time of collected attribute data
3.3.26
wireless system ID
identifier (ID) as part of a service execution related to the concerned wireless system
3.3.27
wireless type
parameter that characterizes the model of a wireless system or a wireless device
Note 1 to entry: The parameter can contain either the wireless system or wireless device. If using the IEC CDD,
then use the unique identifier.
3.3.28
wireless ID
identifier (ID) as part of a service execution related to the model of a wireless system or a
wireless device
3.4 Terms and definitions given in IEC 62657-2
For ease of understanding, the most important terms from IEC 62657-2 used within this
document are listed but the definitions are not repeated in the list.
– antenna,
– automation application,
– bandwidth,
– centre frequency,
– coexistence (wireless communication
...

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