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BS IEC 62106-2:2021

BS IEC 62106-2:2021

$198.66

Radio data system (RDS). VHF/FM sound broadcasting in the frequency range from 64,0 MHz to 108,0 MHz – Message format: coding and definitions of RDS features

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BSI 2021 58
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IEC 62106-2:2021 is available as IEC 62106-2:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62106-8:2021 defines the coding and definition of features for the Radio Data System (RDS). IEC 62106-8:2021 cancels and replaces the first edition published in 2018. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 62106?2 :2018: a) Subclause 4.2.4 has been added; b) Tables 1 and 13 have been modified; c) The new function RDS2 file transfer has been added and it is detailed in Annex C; this uses a CRC-16, which is specified in Annex D.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
8 FOREWORD
10 INTRODUCTION
11 1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and conventions
3.1 Terms and definitions
3.2 Abbreviated terms
13 3.3 Notation and conventions
4 Message format
4.1 Design principles
14 4.2 Group structure
4.2.1 Group type A structure
Figure 1 – Group type A structure
15 4.2.2 Group type B structure
4.2.3 Group type C structure
Figures
Figure 2 – Group type B structure
Figure 3 – Group type C structure
16 4.2.4 RFT ODA pipe/channel
Tables
Table 1 – Group type C Function Header definition
17 4.3 Group type A and B usage
Table 2 – Group type A and B usage
18 4.4 Group type C usage
4.4.1 Transmitting legacy data using data-streams 1, 2 and 3
4.4.2 Transmitting group type C ODA data
Figure 4 – Tunnelling structure for group types A and B
19 4.4.3 AID and channel number assignment for group type C ODAs
Table 3 – Group type C assignment methods used to connect channel numbers with one or more AIDs
20 5 Description of the RDS features
5.1 Alternative Frequencies list (AFs)
5.2 Clock Time and date (CT)
5.3 Dynamic PTY Indicator (PTYI) using DI
5.4 Extended Country Code (ECC)
5.5 Enhanced Other Networks information (EON)
Table 4 – Assignment of up to three successive channel numbers to multiple AIDs
21 5.6 Linkage information
5.7 Open Data Applications (ODAs)
5.8 Programme Identification (PI)
22 5.9 Programme Service name – (PS)
5.10 Long Programme Service name – (LPS)
5.11 Programme Type (PTY)
5.12 Programme Type Name (PTYN)
23 5.13 RadioText (RT)
5.14 enhanced RadioText (eRT)
5.15 RadioText Plus (RT+ and eRT+)
5.16 Traffic Programme identification (TP)
5.17 Traffic Announcement identification (TA)
24 5.18 Traffic Message Channel (TMC)
6 Coding of the group types
6.1 Groups of type 0A and 0B: Basic tuning and switching information with PS name
Figure 5 – Basic tuning and switching information – Group type 0A
25 6.2 Group type 1A: Slow labelling codes
Figure 6 – Basic tuning and switching information – Group type 0B
Figure 7 – Slow labelling codes – Group type 1A
26 6.3 Group type 2A and 2B: RadioText
Figure 8 – RadioText – Group type 2A
27 6.4 Group type 3A: Application identification for any specific ODA using groups of type A or B
6.5 Group type 4A: Clock-Time and date
Figure 9 – RadioText – Group type 2B
Figure 10 – Application identification for any specific ODA – Group type 3A
28 6.6 Group type 10A: Programme Type Name PTYN
Figure 11 – Clock-Time and date transmission – Group type 4A
Figure 12 – Programme Type Name PTYN – Group type 10A
29 6.7 Group type 14A and B: Enhanced Other Networks information (EON)
6.8 Group type 15A: Long Programme Service name – 32 bytes with UTF-8 coding
Figure 13 – Enhanced Other Networks information – Group type 14A
Figure 14 – Enhanced Other Networks information – Group type 14B
30 6.9 Group type 15B: Fast basic tuning and switching information
Figure 15 – Long PS, UTF-8 coded – Group type 15A
Figure 16 – Fast basic tuning and switching information – Group type 15B
31 7 Coding of RDS features for control
7.1 Programme Identification (PI) codes and Extended Country Codes (ECC)
7.1.1 PI structure
7.1.2 Country Identifier (CI) codes: ‘Nibble 1’
7.1.3 Extended Country Codes (ECC)
Figure 17 – PI code structure
32 7.1.4 Programme service in terms of area coverage (codes for fixed location transmitters only): ‘Nibble 2’
7.1.5 Programme reference number: ‘Nibbles 3 and 4’
7.1.6 PI codes for low-power short range transmitting devices
Table 5 – Area coverage codes
Table 6 – Programme service reference number codes
33 7.2 Programme Type (PTY) codes
7.3 Traffic Programme (TP) and Traffic Announcement (TA) codes
7.4 Decoder Identification (DI) and dynamic PTY Indicator (PTYI) codes
Table 7 – PI codes for short range transmitting devices
Table 8 – Codes for TP and TA
34 7.5 Coding of Alternative Frequencies (AFs)
7.5.1 AF code tables
Table 9 – Meaning of bits d0 to d3
Table 10 – VHF frequencies 87,6 MHz to 107,9 MHz code table
35 Table 11 – Special meanings AF code table
Table 12 – LF/MF code table – ITU regions 1 and 3 (9 kHz spacing)
Table 13 – MF code table – ITU region 2 (10 kHz spacing)
36 7.5.2 Use of Alternative Frequencies in group type 0A
38 7.5.3 Use of AF codes in group type 14A
39 7.6 Coding of Enhanced Other Networks information (EON)
7.6.1 General
Table 14 – Example including AFs for the extended FM Band
40 7.6.2 Coding of frequencies for cross-referenced programme services in EON
7.6.3 Use of the TP and TA features with EON
7.6.4 Use of PTY with EON
41 8 Required main RDS feature repetition rates on data-stream 0
Table 15 – Data-stream 0 group repetition rates: Transmitter not part of a multiprogramme service network: no TMC and only ‘basic’ RDS features
42 Table 16 – Data-stream 0 group repetition rates: Transmitter part ofa multi-programme service network: no TMC
43 Table 17 – Data-stream 0 group repetition rates: Transmitter not part ofa multi-programme service network: with TMC
44 Table 18 – Data-stream 0 group repetition rates: Transmitter not part ofa multi-programme service network: no TMC and with supportfor UTF-8 coded characters
45 Table 19 – Data-stream 0 group repetition rates: Transmitter part ofa multi-programme service network: with TMC
46 Annex A (normative) Method for linking RDS programme services – Linkage information – Group type 1A and 14A
A.1 General
Figure A.1 – Structure of group type 1A, block 3
47 A.2 LA – Linkage Actuator
A.3 EG – Extended Generic indicator
A.4 ILS – International Linkage Set indicator
A.5 LSN – Linkage Set Number
Figure A.2 – Structure of group type 14A variant 12, block 3 (Linkage information) – National link
48 Figure A.3 – Structure of group type 14A variant 12, block 3 (Linkage information) – International link
49 Annex B (informative) Conversion between time and date conventions
Figure B.1 – Conversion routes between Modified Julian Date (MJD) and Coordinated Universal Time (UTC)
Table B.1 – Symbols used for time and date calculation
51 Annex C (normative) RDS2 File Transfer protocol RFT for files up to 163 kB
C.1 Group coding of the ODA-AID assignment groups
C.1.1 General principles
C.1.2 Variant 0
Figure C.1 – AID assignment group coding for variant 0
52 C.1.3 Variant 1
Table C.2 – Relation between chunk size, max. file size and max.chunk address
53 C.1.4 Variants 2 to 15
Figure C.2 – AID assignment group coding for variant 1
Figure C.3 – AID assignment group coding for variant 2 to 15
54 Figure C.4 – RFT data group
55 Annex D (informative) CRC-16 ITU-T/CCITT checkword calculation
D.1 General
D.2 PASCAL listing of CRC-16-calculation routine
D.3 C listing of the CRC-16 calculation routine
56 D.4 Fictitious example
57 Bibliography

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