1、 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 IEC 62106:2015-03(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva, Switzerland All rights reserved
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11、sting 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 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. 2 IEC 621
12、06:2015 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 mod
13、ulation 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 Mes
14、sage 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 Cod
15、ing 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)
16、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 informati
17、on (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 Pr
18、ogramme 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
19、) 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 .
20、63 B.2.2 Shift-register implementation of the encoder . 65 B.3 Decoding procedure 65 B.3.1 Theory . 65 B.3.2 Implementation of the decoder . 67 Annex C (informative) Implementation of group and block synchronisation using the modified shortened cyclic code . 69 C.1 Theory 69 C.1.1 Acquisition of gro
21、up and block synchronisation . 69 C.1.2 Detection of loss of synchronisation . 69 C.2 Shift register arrangement for deriving group and block synchronisation information 69 Annex D (normative) Programme identification codes and extended country codes . 72 D.1 General . 72 D.2 PI structure . 72 D.3 E
22、xtended country codes 72 D.4 Country codes: Nibble 1 73 D.5 Programme in terms of area coverage (codes for fixed location transmitters only): Nibble 2 . 76 D.6 Programme reference number: Nibbles 3 and 4 76 D.7 PI codes for low-power short range transmitting devices 77 Annex E (normative) Basic and
23、extended RDS character sets . 78 Annex F (normative) Programme type codes 98 Annex G (informative) Conversion between time and date conventions . 101 Annex H (informative) ARI (Autofahrer-Rundfunk-Information) system Discontinuation . 103 Annex J (normative) Language identification 104 Annex K (info
24、rmative) RDS logo 106 Annex L (informative) Open data registration 107 Annex M (normative) Coding of Radio Paging (RP) . 110 4 IEC 62106:2015 IEC 2015 M.1 General . 110 M.2 Basic paging protocol 110 M.2.1 Coding characteristics for paging 110 M.2.2 Transmitter network group designation . 111 M.2.3 L
25、ocking to a channel 113 M.2.4 Loss of synchronization 113 M.2.5 Group type 7A message format 113 M.3 Enhanced paging 119 M.3.1 General . 119 M.3.2 Multi-operator/area paging . 119 M.3.3 Extension of paging addressing mode 126 M.3.4 Battery saving mode 126 M.3.5 Group type 7A message format 129 M.3.6
26、 Address notification bit versus pager individual address 138 M.4 Examples of the traffic handling capacity of the specified radio paging system 139 Annex N (normative) Country codes and extended country codes for countries outside the European Broadcasting Area . 142 N.1 African Broadcasting Area .
27、 142 N.2 Allocations of symbols for countries in ITU Region 2 144 N.3 Allocations of symbols for countries in ITU Region 3 146 Annex P (normative) Coding of RadioText Plus information (RT+) . 148 P.1 General . 148 P.2 Definitions . 148 P.3 RT+ tag 149 P.4 RT+ information elements and data model . 15
28、0 P.4.1 General . 150 P.4.2 List of RT/eRT content types 150 P.4.3 Structures of RT+ messages 151 P.4.4 Receiver data model 152 P.5 Coding RT+ in ODA groups . 153 P.5.1 General . 153 P.5.2 RT+ identification (Group type 3A) 154 P.5.3 Coding of the RT+ tag 155 P.5.4 Clearing of RT+ messages . 156 P.6
29、 Broadcasting conventions 159 P.7 Receiving conventions 159 P.8 Marking . 160 Annex Q (normative) Coding of enhanced RadioText (eRT) 161 Q.1 General . 161 Q.2 Coding eRT in ODA groups . 161 Q.2.1 General . 161 Q.2.2 eRT identification (Group type 3A) 161 Q.2.3 Coding of the eRT text string 162 Q.3 B
30、roadcasting conventions 164 Q.4 Receiving conventions 165 Q.5 Marking . 165 Annex R (informative) RBDS in the USA . 166 Annex S (normative) List of RDS specific abbreviations 167 IEC 62106:2015 IEC 2015 5 Bibliography . 168 Figure 1 Block diagram of radio-data equipment at the transmitter 14 Figure
31、2 Block diagram of a typical radio-data receiver/decoder 15 Figure 3 Amplitude response of the specified transmitter or receiver data-shaping filter 17 Figure 4 Amplitude response of the combined transmitter and receiver data-shaping filters 18 Figure 5 Spectrum of biphase coded radio-data signals 1
32、8 Figure 6 Time-function of a single biphase symbol 19 Figure 7 57 kHz radio-data signals . 19 Figure 8 Structure of the baseband coding . 20 Figure 9 Message format and addressing . 20 Figure 10 ODA version A groups 26 Figure 11 ODA version B groups 27 Figure 12 Basic tuning and switching informati
33、on Type 0A group 27 Figure 13 Basic tuning and switching information Type 0B group 27 Figure 14 Programme item number and slow labelling codes Type 1A group 29 Figure 15 Programme Item Number Type 1B group 30 Figure 16 RadioText Type 2A group 30 Figure 17 RadioText Type 2B group 31 Figure 18 Applica
34、tion identification for open data Type 3A group 32 Figure 19 Open data Type 3B group 33 Figure 20 Clock-time and date transmission Type 4A group . 34 Figure 21 Open data Type 4B group 34 Figure 22 Transparent data channels Type 5A group . 35 Figure 23 Transparent data channels Type 5B group . 35 Fig
35、ure 24 In-house applications Type 6A and 6B group 36 Figure 25 Radio paging Type 7A group 36 Figure 26 Type 7B group 37 Figure 27 Traffic message channel Type 8A group . 37 Figure 28 Open data Type 8B group 37 Figure 29 Allocation of EWS message bits Type 9A group . 38 Figure 30 Open data Type 9B gr
36、oup 38 Figure 31 Programme type name PTYN Type 10A group 39 Figure 32 Open data Type 10B group 39 Figure 33 Open data Type 11A and 11B groups . 40 Figure 34 Open data Type 12A and 12B groups . 40 Figure 35 Enhanced paging information Type 13A group 41 Figure 36 Open data Type 13B group 42 Figure 37
37、Enhanced other networks information Type 14A groups 42 Figure 38 Enhanced Other Networks information Type 14B groups. 43 Figure 39 Open data Type 15A group 43 Figure 40 Fast basic tuning and switching information Type 15B group 44 6 IEC 62106:2015 IEC 2015 Figure 41 Structure of Block 3 of Type 1A g
38、roups . 52 Figure 42 Structure of variant 12 of block 3 of type 14A groups (linkage information) National link . 53 Figure 43 Structure of variant 12 of block 3 of type 14A groups (linkage information) International link 53 Figure 44 Structure of Variant 7 of Block 3 of type 1A groups for Identifica
39、tion of a programme carrying EWS information . 56 Figure B.1 Generator matrix of the basic shortened cyclic code in binary notation 64 Figure B.2 Shift-register implementation of the encoder 65 Figure B.3 Parity-check matrix of the basic shortened cyclic code . 66 Figure B.4 Shift-register implement
40、ation of the decoder 67 Figure C.1 Group and block synchronisation detection circuit 70 Figure D.1 PI structure . 72 Figure D.2 Structure of Variant 0 of Block 3 of type 1A groups (ECC) 73 Figure D.3 European Broadcasting Area Correspondence between geographical locations and the symbols used . 74 F
41、igure G.1 Conversion routes between Modified Julian Date (MJD) and Coordinated Universal Time (UTC) . 101 Figure J.1 Language identification code allocation 104 Figure M.1 Group type 7A message format for radio paging 113 Figure M.2 Group type 7A paging without an additional message 114 Figure M.3 G
42、roup type 7A paging with an additional 10 digit message . 115 Figure M.4 Group type 7A paging with an additional 18 digit message . 115 Figure M.5 Group type 7A paging with an additional alphanumeric message . 116 Figure M.6 Group type 7A paging with an additional international 15 digit message . 11
43、7 Figure M.7 Functions message in international paging 118 Figure M.8 Variant 0 of 1A group with PIN 120 Figure M.9 Variant 2 of 1A group with PIN 121 Figure M.10 Variants of 1A group without PIN . 122 Figure M.11 Group type 13A 128 Figure M.12 Group type 7A paging with tone-only message 130 Figure
44、M.13 First 7A group of a variable-length message 131 Figure M.14 Group type 7A national paging with additional alphanumeric message 132 Figure M.15 Group type 7A national paging with additional variable-length numeric message . 134 Figure M.16 Group type 7A national paging with additional variable-l
45、ength functions message . 135 Figure M.17 The two first 7A groups of an international alphanumeric message . 136 Figure M.18 The two first 7A groups of an international variable-length numeric message . 137 Figure M.19 The two first 7A groups of an international variable-length functions message . 1
46、37 Figure M.20 Traffic handling capacity, busy hour, call rate = 0,10 calls/pager/hour . 140 Figure M.21 Traffic handling capacity, busy hour, call rate = 0,067 calls/pager/hour . 141 Figure M.22 Traffic handling capacity, busy hour, call rate = 0,05 calls/pager/hour . 141 IEC 62106:2015 IEC 2015 7
47、Figure P.1 RT+ information of the category Item (see Table P.2) will be attached to the programme elements Item 1 and Item 2 . 153 Figure P.2 RT+ information of the category Item will be attached to the programme elements Item 1 and Item 2, but not to the programme element News 153 Figure P.3 RT+ in
48、formation of the category Item will be attached only to the programme element Item 1, but not to the programme element Talk . 153 Figure P.4 Bit allocation for group 3A (message bits and AID) . 154 Figure P.5 Coding of the message bits of the application group 155 Figure Q.1 Bit allocation for group 3A (message bits and AID) 162 Figure Q.2 Coding of the message bits of the application group 163 Table 1 Encoding rules 16 Table 2 Decoding rules 16 Table 3 Group types 23 Table 4 Main feature repetition rates 24 Table 5 Group repetition rates 25 Table 6 ODA group availability signalled in type
