1、 ETSI EN 300 797 V1.2.1 (2005-05)European Standard (Telecommunications series) Digital Audio Broadcasting (DAB);Distribution interfaces;Service Transport Interface (STI)European Broadcasting Union Union Europenne de Radio-Tlvision EBUUER ETSI ETSI EN 300 797 V1.2.1 (2005-05) 2 Reference REN/JTC-DAB-
2、37 Keywords audio, broadcasting, DAB, data, digital, interface, transport ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06)
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8、SI EN 300 797 V1.2.1 (2005-05) 3 Contents Intellectual Property Rights10 Foreword.10 Introduction 11 1 Scope 13 2 References 13 3 Definitions, abbreviations, symbols and terminology14 3.1 Definitions14 3.2 Abbreviations .17 3.3 Symbols18 3.3.1 Numerical ranges 18 3.3.2 Bit and byte numbering.19 3.3.
9、3 Arithmetic operators .19 3.3.4 Logical operators 19 3.3.5 STI-C(LI) Field Types 19 3.4 Ordering of bytes and bits for transmission19 3.5 Reserved bits 20 3.6 STI-C character set.20 3.6.1 STI-C(LI) message character set 20 3.6.2 STI-C(TA) character set .20 4 Overview of the Service Transport Interf
10、ace definition.20 4.1 Conceptual model of the Service Transport Interface 20 4.2 The logical model of the STI23 4.3 The layered model of the STI.24 4.4 The implementation model of the STI25 4.4.1 Examples of network topologies.25 4.4.2 Hierarchical collection networks 27 4.4.3 Multicasting 27 5 Logi
11、cal definition of the STI Data Part, STI-D(LI) .28 5.1 General structure 28 5.2 Error field (ERR)30 5.3 Frame characterization field (FC) 30 5.3.1 Service provider identifier field (SPID)30 5.3.2 Reserved bits.30 5.3.3 Data length field (DL).31 5.3.4 Reserved bits.31 5.3.5 Data frame count field (DF
12、CT).31 5.3.6 Number of streams field (NST) 31 5.4 Stream characterization field (STC).31 5.4.1 Individual stream characterization field (ISTCStrm).31 5.4.1.1 Type identifier field (TID) 32 5.4.1.2 Stream length field (STL) .32 5.4.1.3 Type identifier extension field (TIDext) .32 5.4.1.4 Stream cycli
13、c redundancy checksum flag field (CRCSTF).33 5.4.1.5 Stream identifier field (STID).33 5.5 End-of-header field (EOH).33 5.5.1 Reserved bytes 33 5.5.2 Header cyclic redundancy checksum field (CRCH) .33 5.6 Main stream data field (MST) 34 5.6.1 Individual stream data field (ISTDStrm) .34 5.6.2 Stream
14、cyclic redundancy checksum field (CRCSTStrm).34 5.7 End-of-frame field (EOF).34 5.8 STI-D(LI) time stamp field (TIST) 34 5.9 Details of the individual streams carried in the MST .34 ETSI ETSI EN 300 797 V1.2.1 (2005-05) 4 5.9.1 MSC sub-channel streams 34 5.9.1.1 MSC audio stream.34 5.9.1.2 MSC data
15、stream.35 5.9.1.3 MSC packet mode stream .35 5.9.2 MSC sub-channel contributions35 5.9.2.1 MSC packet mode data contributions .35 5.9.3 FIC FIG stream.35 5.9.4 FIC FIB stream .35 5.9.5 In-house data.36 6 Logical definition of the STI Control Part STI-C(LI) 36 6.1 General Structure36 6.2 Message hand
16、ling.37 6.2.1 Data Exchange Sessions .38 6.3 STI-C(LI) message set38 6.4 Action messages.40 6.4.1 General rules to use action messages41 6.4.2 RCONFIG messages.41 6.4.2.1 RCONFIG REQ 42 6.4.2.2 RCONFIG DEF.42 6.4.2.3 RCONFIG INF43 6.4.2.4 RCONFIG CAN43 6.4.2.5 RCONFIG ACK44 6.4.2.6 RCONFIG ERR 44 6.
17、5 Configuration messages .45 6.5.1 General rules to use configuration messages 46 6.5.2 CONFDEF messages 47 6.5.2.1 CONFDEF INF .47 6.5.2.2 CONFDEF DEF48 6.5.2.3 CONFDEF END .48 6.5.2.4 CONFDEF DEL49 6.5.2.5 CONFDEF ERR49 6.5.3 SUBCHAN messages .50 6.5.3.1 SUBCHAN DEF .50 6.5.4 USESTRM messages51 6.
18、5.4.1 USESTRM DEF51 6.5.5 CMPNENT messages .52 6.5.5.1 CMPNENT DEF.53 6.5.6 SERVICE messages54 6.5.6.1 SERVICE DEF .54 6.5.7 USEFIGF messages 55 6.5.7.1 USEFIGF DEF55 6.6 FIG file messages .55 6.6.1 General rules to use FIG file messages.56 6.6.2 FIGFILE messages .56 6.6.2.1 FIGFILE INF 57 6.6.2.2 F
19、IGFILE DEF .57 6.6.2.3 FIGFILE REC .58 6.6.2.4 FIGFILE END.58 6.6.2.5 FIGFILE DEL.58 6.6.2.6 FIGFILE SEL59 6.6.2.7 FIGFILE DES .59 6.6.2.8 FIGFILE ERR .60 6.7 FIB grid messages 60 6.7.1 General rules to use FIBGRID messages61 6.7.2 FIBGRID messages 61 6.7.2.1 FIBGRID INF .62 6.7.2.2 FIBGRID DEF 62 6
20、.7.2.3 FIBGRID REC62 6.7.2.4 FIBGRID END .63 6.7.2.5 FIBGRID ACT63 6.7.2.6 FIBGRID ERR64 ETSI ETSI EN 300 797 V1.2.1 (2005-05) 5 6.8 Resource messages.65 6.8.1 General rules to use resource messages 65 6.8.2 RESOURC messages66 6.8.2.1 RESOURC INF.66 6.8.2.2 RESOURC DEF66 6.8.2.3 RESOURC END .67 6.8.
21、2.4 RESOURC ERR .67 6.8.3 CHANCAP messages .67 6.8.3.1 CHANCAP DEF .68 6.8.4 STLIMIT messages.68 6.8.4.1 STLIMIT DEF 68 6.8.5 IDALLOC messages.69 6.8.5.1 IDALLOC DEF.69 6.8.6 IDLIMIT messages.71 6.8.6.1 IDLIMIT DEF.72 6.8.7 PACKCON messages .73 6.8.7.1 PACKCON DEF .73 6.8.8 FIGBLCK messages .74 6.8.
22、8.1 FIGBLCK DEF .74 6.8.9 ANNSEND messages .75 6.8.9.1 ANNSEND DEF .75 6.9 Information messages.76 6.9.1 General rules to use information messages.77 6.9.2 CONINFO messages.77 6.9.2.1 CONINFO INF .77 6.9.2.2 CONINFO DEF 77 6.9.3 CONNAME messages 78 6.9.3.1 CONNAME INF .78 6.9.3.2 CONNAME DEF78 6.9.3
23、.3 CONNAME REC79 6.9.3.4 CONNAME END .79 6.9.3.5 CONNAME ERR79 6.9.4 FIGINFO messages.80 6.9.4.1 FIGINFO INF .80 6.9.4.2 FIGINFO DEF 80 6.9.5 FIGNAME messages 81 6.9.5.1 FIGNAME INF .81 6.9.5.2 FIGNAME DEF81 6.9.5.3 FIGNAME REC82 6.9.5.4 FIGNAME END .82 6.9.5.5 FIGNAME ERR82 6.9.6 COUNTER messages .
24、83 6.9.6.1 COUNTER INF 83 6.9.6.2 COUNTER DEF .83 6.10 Supervision Messages 84 6.10.1 General rules for the use of supervision messages85 6.10.2 PRERROR messages 85 6.10.2.1 PRERROR GBG .85 6.10.2.2 PRERROR UKN.85 6.10.2.3 PRERROR SYN .86 6.10.2.4 PRERROR SEM .86 6.10.2.5 PRERROR PRT 87 6.10.3 ALARM
25、ST messages .88 6.10.3.1 ALARMST INF 88 6.10.3.2 ALARMST DEF .88 6.10.4 STERROR messages 89 6.10.4.1 STERROR INF .89 6.10.4.2 STERROR DEF 90 7 Transport Adaptation for the STI control part STI-C(TA).91 7.1 General structure 91 7.1.1 STI-C(TA) on synchronous physical links .91 ETSI ETSI EN 300 797 V1
26、.2.1 (2005-05) 6 7.1.2 STI-C(TA) on asynchronous physical links92 7.2 The data link layer93 7.2.1 Start field (START) 93 7.2.2 Network packet.93 7.2.3 Cyclic redundancy checksum field (CRC)93 7.2.4 End field (END)93 7.2.5 Data link packet handling .93 7.2.5.1 Packet transmission.93 7.2.5.2 Packet re
27、ception 93 7.3 Padding character .93 7.4 The network layer.93 7.4.1 Source address field (SAD) 94 7.4.2 Destination address field (DAD) 94 7.4.3 Transport packet .94 7.4.4 Separator fields (SEP).94 7.4.5 Network packet handling 94 7.4.5.1 Packet transmission.94 7.4.5.2 Packet reception 94 7.5 The tr
28、ansport layer94 7.5.1 Packet number (PKTNUM)94 7.5.2 Acknowledge Number (ACKNUM).95 7.5.3 Repetition Index (REP).95 7.5.4 Acknowledge field (ACK)95 7.5.5 Flag field (FLAG).95 7.5.6 Logical packet.95 7.5.7 Separator fields (SEP).95 7.5.8 Transport packet handling 95 7.5.8.1 Opening a connection96 7.5
29、.8.2 Closing a connection.96 7.5.8.3 Transmission on an open connection 97 7.5.8.4 Reception on an open connection97 7.6 The logical layer.97 7.6.1 STI-C(LI)97 7.6.2 Logical packet handling98 7.6.2.1 Packet transmission.98 7.6.2.2 Packet reception 98 8 Generic transport frame STI(PI, X)98 8.1 Genera
30、l .98 8.2 Adaptation of the logical layer .98 8.2.1 Synchronization field (SYNC)100 8.2.1.1 Error field (ERR) 100 8.2.1.2 Frame synchronization field (FSYNC) .100 8.2.2 Transport frame header field (TFH)101 8.2.2.1 Data frame size field (DFS) 101 8.2.2.2 Control frame size field (CFS)101 8.2.3 Data
31、frame field (DF) .101 8.2.3.1 STI-D(LI) data field (D-LIDATA) .101 8.2.3.2 Data frame padding field (DFPD).101 8.2.4 Control frame field (CF) .101 8.2.5 Frame padding field (FRPD) 101 9 Physical Interfaces for synchronous links 102 9.1 G.703 interfaces, STI(PI, G.703)102 9.1.1 General description.10
32、2 9.1.2 Adaptation of the STI(PI, X) to the STI(PI, G.703)102 9.1.3 Physical interface102 9.2 V.11 interface, STI(PI, V.11) .102 9.2.1 General description.102 9.2.2 Adaptation of the STI(PI, X) to the STI(PI, V.11)102 9.2.3 Physical interface103 9.3 WG1/WG2 interface, STI(PI, WG1/2).103 ETSI ETSI EN
33、 300 797 V1.2.1 (2005-05) 7 9.3.1 General description.103 9.3.2 Adaptation of the STI(PI, X) to the STI(PI, WG1/2)103 9.3.3 Adaptation to the WG1/2 frame structure.104 9.3.4 Physical interface104 9.4 IEC 60958 interface, STI(PI, IEC 60958) 104 9.4.1 General description.104 9.4.2 Adaptation of the ST
34、I(PI, X) to the STI(PI, IEC 60958)104 9.4.3 Adaptation to the IEC 60958 frame structure .105 9.4.4 Physical interface105 9.5 G.704 interface with error protection, STI(PI, G.704/1) 106 9.5.1 General description.106 9.5.2 Transparency of STI(PI, G.704/1) layer to STI-D(LI)106 9.5.2.1 Transparency of
35、STI(PI, G.704/1)5 592layer to STI(PI, X) .106 9.5.2.2 Transparency of STI(PI, G.704/1)5 376layer to STI(PI, X)106 9.5.3 STI(PI, G.704/1) structure 107 9.5.3.1 G.704 reserved bytes.107 9.5.3.2 STI(PI, G.704/1) reserved bytes107 9.5.3.2.1 Multiframe management byte, Mbl,s.108 9.5.3.2.2 Multiframe supe
36、rvision byte, Sbl,s110 9.5.4 STI(PI, G.704/1) multiframe generation.110 9.5.4.1 General description .110 9.5.4.2 Error coding and interleaving for STI(PI, G.704/1)5 592111 9.5.4.2.1 Coding array formation .111 9.5.4.2.2 Interleaving111 9.5.4.2.3 Output array formation 112 9.5.4.3 Error coding and in
37、terleaving for STI(PI, G.704/1)5 376112 9.5.4.3.1 Coding array formation .112 9.5.4.3.2 Interleaving113 9.5.4.3.3 Output array formation 113 9.5.5 Order of data transmission113 9.5.6 Error protection code 113 9.5.7 Synchronization 113 9.5.7.1 Synchronization of G.704 frames113 9.5.7.2 Synchronizatio
38、n of STI(PI, G.704/1) multiframes 114 9.5.8 Physical interface114 9.5.9 Modifying the STI-D(LI) ERR field.114 9.6 G.704 interface without error protection, STI(PI, G.704/2) .117 9.6.1 General description.117 9.6.2 Adaptation of the STI(PI, X) to the STI(PI, G.704/2) 117 9.6.3 Adaptation to the G.704
39、 frame structure.117 9.6.3.1 G.704 reserved bytes.117 9.6.3.2 STI(PI, G.704/2) generation117 9.6.3.2.1 Output array formation 117 9.6.3.2.2 Order of data transmission.118 9.6.3.2.3 Synchronization of G.704 frames118 9.6.4 Physical interface119 9.7 H.221 interfaces, STI(PI, H.221)119 9.7.1 General de
40、scription.119 9.7.2 Adaptation of the STI(PI, X) to the STI(PI, H.221)119 9.7.3 Adaptation to the H.221 frame structure.119 9.7.3.1 H.221 reserved bits119 9.7.3.2 STI(PI, H.221) generation.119 9.7.4 Physical interface119 10 Physical Interfaces for asynchronous links 120 10.1 V.24 interface, STI(PI,
41、V.24) .120 10.1.1 General120 10.1.2 Adaptation of the STI(PI, X) to the STI(PI, V.24)120 10.1.3 Physical interface120 Annex A (normative): Calculation of CRC words in the STI 122 ETSI ETSI EN 300 797 V1.2.1 (2005-05) 8 Annex B (normative): Coding of timestamps in STI 123 B.1 General .123 B.2 Timesta
42、mp coding123 B.2.1 Expected range of timestamp values 123 B.2.2 Null timestamp .123 B.2.3 Reserved timestamp values 123 B.2.4 Timestamp levels123 B.3 Mapping to STI-D(LI) timestamp bits .124 B.4 Mapping to STI-D(PI, G.704/1) timestamp bits.124 B.5 Interpretation of timestamp value.124 B.6 Use of tim
43、estamps in LI and PI layers124 Annex C (normative): Definition of the WG1/2 Interface125 C.1 WG1/2 interface overview .125 C.2 WG1/2 interface signals definition.126 C.3 WG1/2 interface data-frame syntax .127 C.4 WG1/2 physical interface.127 Annex D (normative): Coding of NASC data 128 D.1 General .
44、128 D.2 Frame Synchronous Signalling (FSS) 128 D.2.1 FSS messages structure 128 D.2.2 Pre-assigned FSS message types 128 D.3 Asynchronous Signalling (ASS) 128 D.3.1 ASS messages structure128 D.3.2 Pre-assigned ASS message types .129 Annex E (normative): Behaviour of the STI during reconfiguration .1
45、30 E.1 DAB multiplex configuration management .130 E.2 STI reconfiguration procedure .131 E.2.1 Service configuration definition.131 E.2.2 Choosing the reconfiguration instant131 E.2.3 Requesting a reconfiguration132 E.2.4 Implementing the reconfiguration 132 Annex F (informative): Use of the STI ti
46、mestamp 133 F.1 Delay between Service provider and users.133 F.2 Setting the timestamp value .134 F.3 Using the timestamp in multicasting134 Annex G (informative): Examples of STI-C(TA) protocol .135 G.1 Opening and closing of an STI-C(TA) connection 135 G.2 Transmission on an open connection .136 G
47、.3 Handling loss of packets.138 Annex H (informative): Use of STI(PI,G.704/1) on T1 networks.140 H.1 Introduction 140 H.2 General outline of STI(PI, G.704/1-T1).140 ETSI ETSI EN 300 797 V1.2.1 (2005-05) 9 H.3 Transparency of STI(PI, G.704/1-T1) layer to STI(PI, X).140 H.3.1 Transparency of STI(PI, G
48、.704/1-T1)4 464layer to STI(PI, X) .140 H.3.2 Transparency of STI(PI, G.704/1-T1)4 320layer to STI(PI, X) .141 H.4 STI(PI, G.704/1-T1) structure141 H.5 Error protection for STI(PI, G.704/1-T1).141 Annex I (informative): Bibliography.145 History 146 ETSI ETSI EN 300 797 V1.2.1 (2005-05) 10Intellectua
49、l Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigatio
