Specification of the radio data system (RDS) for VHF/FM sound broadcasting in the frequency range from 87,5 MHz to 108,0 MHz (IEC 62106:2015)

This International Standard describes the Radio Data System, RDS, intended for application
to VHF/FM sound broadcasts in the range 87,5 MHz to 108,0 MHz which may carry either
stereophonic (pilot-tone system) or monophonic programmes (as stated in ITU-R
Recommendation BS 450-3 and ITU-R Recommendation BS.643-3). The main objectives of
RDS are to enable improved functionality for FM receivers and to make them more userfriendly
by using features such as Programme Identification, Programme Service name
display and, where applicable, automatic tuning for portable and car radios, in particular. The
relevant basic tuning and switching information therefore has to be implemented by the type 0
group (see 6.1.5.1), and it is not optional unlike many of the other possible features in RDS.

Spezifikation des Radio-Daten-Systems (RDS) für den VHF/FM-Tonrundfunk im Frequenzbereich 87,5 MHz bis 108,0 MHz (IEC 62106:2015)

Spécification des systèmes des radiocommunications des données (RDS) pour la radiodiffusion VHF/FM dans la plage de fréquences comprise entre 87,5 MHz et 108,0 MHz (IEC 62106:2015)

Specifikacija radijskega podatkovnega sistema (RDS) za zvokovno radiodifuzijo VHF/FM v frekvenčnem območju od 87,5 MHz do 108,0 MHz (IEC 62106:2015)

Ta mednarodni standard opisuje radijski podatkovni sistem RDS, namenjen uporabi za zvokovno radiodifuzijo VHF/FM v območju od 87,5 do 108,0 MHz, ki lahko nosi bodisi stereofonične (sistem za pilotski ton) ali monofonične programe, kot je navedeno v Priporočilu ITU-R BS 450-3 in Priporočilu ITU-R BS.643-3). Glavni cilji sistema RDS so izboljšanje delovanja sprejemnikov FM in omogočanje uporabnikom prijaznega upravljanja slednjih s pomočjo funkcij, kot so Identifikacija programa, Prikaz imena programske storitve in predvsem, če je na voljo, samodejno uglaševanje prenosnih in avtoradijev. Ustrezne informacije o osnovnem uglaševanju in preklapljanju morajo tako biti implementirane prek tipa skupine 0 (glejte 6.1.5.1). Za razliko od številnih drugih funkcij sistema RDS je implementacija slednjih informacij obvezna.

General Information

Status
Withdrawn
Publication Date
02-Jul-2015
Withdrawal Date
15-Aug-2024
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
13-Aug-2024
Due Date
05-Sep-2024
Completion Date
16-Aug-2024

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SLOVENSKI STANDARD
01-september-2015
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SIST EN 62106:2010
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Specification of the radio data system (RDS) for VHF/FM sound broadcasting in the
frequency range from 87,5 MHz to 108,0 MHz (IEC 62106:2015)
Spezifikation des Radio-Daten-Systems (RDS) für den VHF/FM-Tonrundfunk im
Frequenzbereich 87,5 MHz bis 108,0 MHz (IEC 62106:2015)
Spécification des systèmes des radiocommunications des données (RDS) pour la
radiodiffusion VHF/FM dans la plage de fréquences comprise entre 87,5 MHz et 108,0
MHz (IEC 62106:2015)
Ta slovenski standard je istoveten z: EN 62106:2015
ICS:
33.170 Televizijska in radijska Television and radio
difuzija broadcasting
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 62106
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2015
ICS 33.160.40 Supersedes EN 62106:2009
English Version
Specification of the radio data system (RDS)
for VHF/FM sound broadcasting in the frequency range
from 87,5 MHz to 108,0 MHz
(IEC 62106:2015)
Spécification du système de radiodiffusion de données Spezifikation des Radio-Daten-Systems (RDS)
(RDS) pour la radiodiffusion sonore VHF/FM dans la bande für den VHF/FM-Tonrundfunk im Frequenzbereich
de fréquences de 87,5 MHz à 108,0 MHz 87,5 MHz bis 108,0 MHz
(IEC 62106:2015) (IEC 62106:2015)
This European Standard was approved by CENELEC on 2015-05-04. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, 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: Avenue Marnix 17, B-1000 Brussels
© 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62106:2015 E
Foreword
The text of document 100/2122A/CDV, future edition 3 of IEC 62106, prepared by Technical Area 1
"Terminals for audio, video and data services and contents" of IEC/TC 100 "Audio, video and
multimedia systems and equipment" was submitted to the IEC-CENELEC parallel vote and approved
by CENELEC as EN 62106:2015.
The following dates are fixed:
• latest date by which the document has to be (dop) 2016-02-04
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2018-05-04
• latest date by which the national
standards conflicting with the
document have to be withdrawn
This document supersedes EN 62106:2009.

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 62106:2015 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated :

IEC 62634 NOTE Harmonized as EN 62634.
ISO 3166 Series NOTE Only Part 1 harmonized as EN ISO 3166-1.

- 3 - EN 62106:2015
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When 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

ISO/IEC 10646 2014 Information technology - Universal Coded - -
Character Set (UCS)
ISO 14819 Series Intelligent transport systems - Traffic and EN ISO 14819 Series
travel information messages via traffic
message coding
ITU-R -  Transmission standards for FM sound - -
Recommendation broadcasting at VHF
BS.450-3
ITU-R -  Radio data system for automatic tuning - -
Recommendation and other applications in FM radio
BS.643-3 receivers for use with pilot-tone system
ITU-T -  The international identification plan for - -
Recommendation public networks and subscriptions:
E.212
For the three digit Mobile Country Codes
used in Annex M of this RDS specification
refer to Complement to ITU-T Rec. E.212
(05/2004) published by ITU Geneva as
Annex to ITU Operational Bulletin 897,
dated 2007-12-01
US NRSC-4-B National Radio Systems Committee -
NRSC-4-A: United States RBDS standard
ETSI EN 301 700 -  Digital Audio Broadcasting (DAB);VHF/FM - -
Broadcasting: cross-referencing to
simulcast DAB services by RDS-ODA 147

IEC 62106 ®
Edition 3.0 2015-03
INTERNATIONAL
STANDARD
Specification of the radio data system (RDS) for VHF/FM sound broadcasting in

the frequency range from 87,5 MHz to 108,0 MHz

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.160.40 ISBN 978-2-8322-2544-8

– 2 – IEC 62106:2015 © IEC 2015
CONTENTS
FOREWORD. 9
INTRODUCTION . 11
1 Scope . 12
2 Normative references. 12
3 Abbreviations . 12
4 Modulation characteristics of the data channel (physical layer) . 13
4.1 General . 13
4.2 Subcarrier frequency . 14
4.3 Subcarrier phase . 15
4.4 Subcarrier level . 15
4.5 Method of modulation . 15
4.6 Clock-frequency and data-rate . 15
4.7 Differential coding . 16
4.8 Data-channel spectrum shaping . 16
5 Baseband coding (data-link layer) . 19
5.1 Baseband coding structure . 19
5.2 Order of bit transmission . 20
5.3 Error protection . 21
5.4 Synchronisation of blocks and groups . 21
6 Message format (session and presentation layers) . 22
6.1 Addressing . 22
6.1.1 Design principles . 22
6.1.2 Principal features . 22
6.1.3 Group types . 23
6.1.4 Open data channel/Applications Identification . 25
6.1.5 Coding of the group types . 27
6.2 Coding of information . 44
6.2.1 General . 44
6.2.2 Coding of information for control . 44
6.2.3 Coding and use of information for display . 54
6.2.4 Coding of clock time and date (CT) . 54
6.2.5 Coding of information for Transparent Data Channels (TDC) . 55
6.2.6 Coding of information for in house applications (IH) . 55
6.2.7 Coding of Radio Paging (RP) . 55
6.2.8 Coding of Emergency Warning Systems (EWS) . 56
7 Description of features . 57
7.1 Alternative frequencies list (AF) . 57
7.2 Clock Time and date (CT) . 57
7.3 Decoder Identification (DI) and dynamic PTY Indicator (PTYI) . 57
7.4 Extended Country Code (ECC) . 57
7.5 Enhanced Other Networks information (EON) . 57
7.6 Emergency Warning System (EWS) . 57
7.7 In House application (IH) . 57
7.8 Music Speech switch (MS) . 58
7.9 Open Data Applications (ODA) . 58
7.10 Programme Identification (PI) . 58

IEC 62106:2015 © IEC 2015 – 3 –
7.11 Programme Item Number (PIN) . 59
7.12 Programme Service name (PS) . 59
7.13 Programme Type (PTY) . 59
7.14 Programme Type Name (PTYN) . 59
7.15 Radio Paging (RP) . 59
7.16 RadioText (RT) . 59
7.17 Enhanced RadioText (eRT) . 59
7.18 RadioText Plus (RT+) . 60
7.19 Traffic Announcement identification (TA) . 60
7.20 Transparent Data Channels (TDC) . 60
7.21 Traffic Message Channel (TMC) . 60
7.22 Traffic Programme identification (TP) . 60
8 Marking . 60
Annex A (normative) Offset words to be used for group and block synchronisation . 62
Annex B (informative) Theory and implementation of the modified shortened cyclic
code . 63
B.1 General . 63
B.2 Encoding procedure . 63
B.2.1 Theory .
...

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