IEC 62320 2 Edition 2 0 201 6 1 0 REDLINE VERSION Maritime navigation and radiocommunication equipment and systems – Automatic identification system (AIS) – Part 2 AIS AtoN Stations – Operational and[.]
I E C 62 -2 ® Edition 2.0 201 6-1 RE D LI N E VE RS I ON colour i n sid e M ari ti m e n avi g ati on an d rad i ocom m u n i cati on e q u i pm en t an d s ys tem s – Au tom ati c i d en ti fi cati on s ys tem ( AI S ) – P art : AI S AtoN S tati on s – O perati on al an d perform an ce req u i re m e n ts , m e th od s IEC 62320-2:201 6-1 RLV(en) of te s ti n g an d req u i red te s t res u l ts T H I S P U B L I C AT I O N I S C O P YRI G H T P RO T E C T E D C o p yri g h t © I E C , G e n e v a , S wi tz e rl a n d All rights reserved Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester If you have any questions about I EC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local I EC member National Committee for further information IEC Central Office 3, rue de Varembé CH-1 21 Geneva 20 Switzerland Tel.: +41 22 91 02 1 Fax: +41 22 91 03 00 info@iec.ch www.iec.ch Ab ou t th e I E C The I nternational Electrotechnical Commission (I EC) is the leading global organization that prepares and publishes I nternational Standards for all electrical, electronic and related technologies Ab o u t I E C p u b l i ca ti o n s The technical content of IEC publications is kept under constant review by the IEC Please make sure that you have the latest edition, a corrigenda or an amendment might have been published I E C Catal og u e - webstore i ec ch /catal og u e The stand-alone application for consulting the entire bibliographical information on IEC International Standards, Technical Specifications, Technical Reports and other documents Available for PC, Mac OS, Android Tablets and iPad I E C pu bl i cati on s s earch - www i ec ch /search pu b The advanced search enables to find IEC publications by a variety of criteria (reference number, text, technical committee,…) It also gives information on projects, replaced and withdrawn publications E l ectroped i a - www el ectroped i a org The world's leading online dictionary of electronic and electrical terms containing 20 000 terms and definitions in English and French, with equivalent terms in additional languages Also known as the International Electrotechnical Vocabulary (IEV) online I E C G l os sary - s td i ec ch /g l oss ary 65 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002 Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR I E C J u st Pu bl i s h ed - webstore i ec ch /j u stpu bl i sh ed Stay up to date on all new IEC publications Just Published details all new publications released Available online and also once a month by email I E C C u stom er S ervi ce C en tre - webstore i ec ch /csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csc@iec.ch I E C 62 -2 ® Edition 2.0 201 6-1 RE D LI N E VE RS I ON colour i n sid e M ari ti m e n avi g ati on an d rad i ocom m u n i cati on e q u i pm en t an d s ys tem s – Au tom ati c i d e n ti fi cati on s ys te m ( AI S ) – P art : AI S AtoN S tati on s – Operati on al an d pe rform an ce req u i rem en ts , m e th od s of tes ti n g an d req u i red tes t re s u l ts INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 47.020.70 ISBN 978-2-8322-3735-9 Warn i n g ! M ake s u re th a t you ob tai n ed th i s p u b l i cati on from an au th ori zed d i stri b u tor ® Registered trademark of the International Electrotechnical Commission –2– I EC 62320-2: 201 RLV © I EC 201 CONTENTS FOREWORD Scope 1 Norm ative references 1 Terms, definitions and abbreviations Terms and definitions Abbreviated term s Description Types of AI S AtoN stations Type AI S AtoN station Type AI S AtoN station Characteristics 2 Capability Type AI S AtoN station – Alternatives Type AI S AtoN station Type AI S AtoN station Characteristics Capability 3 Control receiver 4 Type AI S AtoN station – Alternatives 4 Type AI S AtoN Station 20 4 Type AI S AtoN station Characteristics 20 4 Type AI S AtoN station Capability 20 4 AI S receiver (AI S Rx) 20 4 Type AI S AtoN station – Alternatives 20 Optional direct configuration via VDL (types and 3) 21 Optional configuration via VDL using chaining of AI S AtoN Stations (Types and 3) 21 Requirements for AI S AtoN stations 25 Ph ysical layer requirement 25 Transm itter requirements 25 Receiver requirem ents 26 Power consum ption 27 Environmental requirements 27 Link layer requirem ents 28 General 28 2 AI S Messages 28 Synchronisation 29 VDL access schem es 29 5 Autonom ous m ode 32 Electronic position fix system 33 Built-in integrity test 34 Requirements for the Configuration method 35 General 35 Alternative for types , and 35 3 Chaining of AI S AtoN stations 38 Repeat broadcast of active AI S-SART m essage 38 5 Other requirem ents 38 5 Additional features 38 I EC 62320-2: 201 RLV © I EC 201 –3– 5 Manufacturer’s information 38 5 Marking and identification 39 5 Additional connection points 39 Tests of AI S AtoN stations – Method of m easurem ent and required results 39 General 39 Test conditions 39 Normal test conditions 39 2 Extrem e test conditions 39 Standard test environment 40 Test signals 40 Arrangem ents for test signals applied to the receiver input 42 6 Encoder for receiver measurements 42 Waiver for receivers 42 I m pedance 42 Artificial antenna (dummy load) 42 Facilities for access 42 1 Modes of operation of the transm itter 42 2 Measurement uncertainties 43 AI S AtoN Station RF tests 43 RF tests (transmitter and receiver) TDM A transmitter 43 General 43 Frequency error 43 Carrier power 44 Modulation spectrum slotted transm ission 45 Transm itter test sequence and modulation accuracy 46 Transm itter output power versus time function (FATDMA and RATDM A) 47 TDMA receivers (types and 3) 48 Sensitivity 48 2 Error behaviour at high input levels 49 Co-channel rejection 50 Adjacent channel selectivity 51 Spurious response rejection 52 I nter-modulation response rejection 54 7 Blocking or desensitization 56 Conducted spurious emissions at the antenna 57 Spurious emissions from the receiver 57 Spurious emissions from the transmitter 57 Functional tests 58 Tests for Configuration method 58 General 58 Configure test Configuration for M essage 21 58 Schedule mode A FATDMA Message 21 (single report, alternating channel operation) 59 Schedule mode B FATDMA Message 21 (dual report, dual channel operation) 60 Schedule mode C FATDMA Message 21 (single report, single channel operation) 60 Schedule mode A RATDMA Message 21 (Type 3) (single report, alternating channel operation) 61 –4– I EC 62320-2: 201 RLV © I EC 201 Schedule mode B RATDMA Message 21 (Type 3) (dual report, dual channel operation) 62 Schedule mode C RATDMA Message 21 (type 3) (single channel operation) 62 Addressed binary data Scheduled transmission of Message 63 Test Scheduled transmission of Message 64 1 AI S AtoN configuration Scheduled transmission of Messages 64 AI S AtoN configuration Scheduled transmission of Messages 64 Unscheduled transmission 64 Synchronisation accuracy 65 I m plemented synchronisation modes and synchronisation error 65 2 Synchronisation test without UTC (types and 3) 66 Tests for EPFS 67 8 Position source 67 I nvalid position 67 3 Off-position m onitor 67 Additional Receive addressed m essages (types and 3) 68 Purpose 68 Method of m easurement 68 Required results 68 I nterrogation response (Type 3) 68 Purpose 68 Method of measurem ent 68 Required results 69 Repeat AI S-SART m essages 69 Purpose 69 Method of measurem ent 69 Required results 69 Additional functionality as implem ented by the m anufacturer 69 Test for configuration of the receiver turn-on tim es (types and 3) 69 Test for configure proprietary AtoN control Test for configuration of payload re-broadcast Test for configuration of payload transm ission 72 Test for forced broadcast 72 Test for version information 73 Test for AFC DCR – AtoN function I D capability 73 Test for assigning an encryption key for VDL configuration 73 7 Test for VDL configuration using chaining (Types and 3) 74 8 Test for BI I T 80 8 Purpose 80 8 Method of measurem ent 81 8 Required results 81 Transmitter shutdown procedure 81 Purpose 81 Method of measurem ent 81 Required results 81 Test for Power suppl y 81 8 Average power consumption 1 Purpose 81 I EC 62320-2: 201 RLV © I EC 201 –5– Method of measurem ent 82 Required results 82 1 Environm ental tests 82 External removable media 82 Purpose 82 2 Method of m easurem ent 82 Required results 82 Other tests 82 Quality assurance 82 Additional features 82 3 Manual 83 Marking and identification 83 Optional TAG block encapsulation 83 Application 83 TAG block capabilities 83 Activation of source-identification for output 83 4 Activation of Destination-identification 84 Activation of Source-identification for input 85 Use of multiple source-identifications for input 86 Test of grouping by TAG blocks for output 87 8 Test of U NI X time output 88 Test of line-count output 88 Annex A (informative) Proposed additional I EC 61 62 AI S AtoN Station sentences Annex A (informative) AI S AtoN station configuration structures 00 A AI S AtoN station configuration structures 00 A MMSI I dentification configuration for comm and (AI D) 02 A Extended/general AtoN station configuration com mand (ACE/ACF/ACG) 04 A Configure broadcast rates for AtoN Station m essage comm and (CBR) 09 A AKE – Configuration of encryption key (CEK) 1 A Configure the receiver turn-on times command (ARW) 1 A Configure Proprietary AtoN control com mand (MCR) 1 A MPR – Configuration of message payload rebroadcast comm and for broadcast (MEB) 1 A Forced broadcast comm and (AFB) 1 A Version information (VER) 1 A 1 AFC – AtoN function I D capability 1 A Query via the VDL for ACE and ACF M essage 21 content 1 A General query request 21 A Configuration of receiver operational times comm and (COP) 22 A Configuration of message payload for broadcast (MEB) 23 A Query response via the VDL for Message 21 configuration 24 Annex B (normative) Message 21 – AtoN status bits 28 Bibliograph y 30 Figure Figure Figure Figure – Functional block diagram of a Type AI S AtoN Station – Functional block diagram of a type AI S AtoN station – Functional block diagram of a type AI S AtoN station 20 – VDL configuration decision tree 23 –6– I EC 62320-2: 201 RLV © I EC 201 Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure – Power versus time m ask 31 – Reporting m odes for Message 21 33 – Block diagram of AI S AtoN test setup 40 – Form at for repeating four-packet cluster 41 – Measurement arrangement for frequency error 44 – Measurem ent arrangem ent for carrier power 44 1 – Em ission mask 45 – Power versus time mask – Measurem ent arrangem ent for m odulation accuracy 46 – Measurem ent arrangem ent for sensitivity 49 – Measurem ent arrangem ent for error behaviour 50 – Measurem ent arrangem ent for co-channel rejection 50 – Measurem ent arrangem ent with m essages for adjacent channel selectivity 51 – PER/BER or SI N AD m easuring equipm ent 53 – Measurem ent arrangem ent for inter-modulation 55 – Measurem ent arrangem ent for blocking or desensitisation 56 20 – Test scenario for basic chaining test 76 21 – Test scenario for linear chaining test 78 22 – Test scenario for forked chaining test 79 B – Use of AtoN status bits as I ALA A-1 26 Page I D 28 Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table Table – Description of AI S AtoN Stations – Use of VDL m essages – Summ ary of optional Type AI S AtoN Station messages – Chaining of AI S AtoN Stations – Summ ary of optional Type AI S AtoN Station messages 21 – Configuration of AI S AtoN stations via VDL 24 – Required param eter settings for an AI S AtoN Station 25 – Required settings of ph ysical layer constants 25 – Modulation param eters of the ph ysical layer of the AI S AtoN station 26 – Minim um required TDM A transmitter characteristics 26 – Required receiver characteristics 27 1 – Maxim um allowed time error 29 – Definitions of timing for Figure 31 – AI S AtoN Station reaction to BI I T conditions 34 – Standard sentences 36 – DCR Capabilities 37 – Optional TAG Block functions 38 – Content of first two packets 41 – Fixed PRS data derived from I TU -T O 53 41 – Maxim um values of absolute measurem ent uncertainties 43 20 – Peak frequency deviation versus tim e 47 21 – Definition of timings for Figure 21 48 I EC 62320-2: 201 RLV © I EC 201 –7– Table 22 – Frequencies for inter-m odulation test 55 Table A – Parameter setting in M essage 25 for AI S AtoN Station applications 00 Table A – Parameter setting in M essage for AI S AtoN Station applications 00 Table A – Message 25 or function identifier used for configuration and query via the VDL 01 Table A – Configuration via the VDL for AI D MMSI identification 03 Table A – Query via the VDL for AI D MMSI identification 03 Table A – Query response via the VDL for AI D MMSI identification 04 Table A – Configuration via the VDL for ACE and ACF, Part 05 Table A – Configuration via the VDL for ACE and ACF, Part 05 Table A – Configuration via the VDL for ACE and ACF, Part 06 Table A – Configuration via the VDL for ACE and ACF, Part (first characters of AtoN name) 06 Table A 1 – Configuration via the VDL for ACE and ACF, Part (second characters of AtoN nam e) 07 Table A – Configuration via the VDL for ACE and ACF, Part (third (last) characters of AtoN nam e) 07 Table A – Query request via the VDL for ACE/ACF content 07 Table A – Query response via the VDL for ACE and ACF, Part 08 Table A – Query response via the VDL for ACE and ACF, Part 08 Table A – Configuration via the VDL for FATDMA/CSTDMA 09 Table A – Configuration via the VDL for AAR for RATDM A/CSTDMA 1 Table A – Query request via the VDL for AAR for AtoN broadcast rates 1 Table A – Query response via the VDL for AAR with AtoN broadcast rates 1 Table A 20 – Configuration via the VDL for AKE of encryption key 1 Table A 21 – Configuration via the VDL for ARW receiver turn-on tim es 1 Table A 22 – Query request via the VDL for ARW receiver turn-on tim es 1 Table A 23 – Query response via the VDL for ARW receiver turn-on tim es 1 Table A 24 – Configuration via the VDL for M CR proprietary information 1 Table A 25 – Query request via the VDL for MCR proprietary inform ation 1 Table A 26 – Query response via the VDL for M CR proprietary information 1 Table A 27 – Configuration or function via the VDL for MPR of m essage payload 1 Table A 28 – Function via the VDL for PBR forced broadcast 1 Table A 29 – Query request via the VDL for VER 1 Table A 30 – Query response via the VDL for VER 1 Table A 31 – Query request via the VDL for AFC function I D 1 Table A 32 – Query response via the VDL for AFC function I D 1 Table A 33 – Query request via the VDL for M essage 21 content 20 Table A 34 – Query response via the VDL for Message 21 content 21 Table A 35 – General query request via the VDL 21 Table A 36 – Configuration via the VDL for COP 22 Table A 37 – Payload control configuration via the VDL 23 Table A 38 – Payload binary data via the VDL 23 Table A 39 – Query response via the VDL, Message 21 configuration 24 –8– Table Table Table Table I EC 62320-2: 201 RLV © I EC 201 A 40 – Query response via the VDL, first characters of AtoN nam e 25 A 41 – Query response via the VDL, second characters of AtoN name 25 A 42 – Query response via the VDL, last characters of AtoN nam e 25 B – AtoN status pages 28 – 02 – I EC 62320-2: 201 © I EC 201 Table A.28 – Function via the VDL for forced broadcast Parameter Number of bits Description Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 01 000 = 24 Function i dentifier forced broadcast M MSI of AtoN 30 M MSI of AtoN Messag e I D This is an all owed m essage I D for AI S AtoN Stations Messag e I D in dex To identify different versi ons of applicati on specific m essages per m essage I D – for exam ple Messag e m ay h ave m ore than one use Channel selection – in dicates chan nel 1 – in dicates chan nel The q uery response wi ll on ly be sent on a singl e chan nel UTC h ou r for start slot 0-23; 24 = RATMDA is used all other FATDMA fields ig nored; 25-31 n ot used UTC m inute for start slot 0-59; 60 = UTC m inute not availabl e = default; 61 -63 n ot used Start slot 12 Starting sl ot for th e qu ery response; a val ue of 251 i ndicates an RATDMA transm ission Spare 41 Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bits 28 A.1 Version information (VER) This structure is used to provide identification and version inform ation about a talker device This structure is produced either as a repl y to a query structure The contents of the data fields, except for the unique identifier, should be m anufactured into the talker device The unique identifier is the AtoN station real MM SI I n order to m eet the single slot requirement, a multi-structure message may be needed to convey all the data fields The param eters are given in Tables A 29 and A 30 I EC 62320-2: 201 © I EC 201 – 03 – Table A.29 – Query request via the VDL for VER Parameter Number of bits Description Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 01 001 = 25 Function i dentifier qu ery for version i nform ation M MSI of AtoN 30 M MSI of AtoN Channel selection – in dicates channel 1 – in dicates chan nel The q uery response wi ll on ly be sent on a singl e chan nel UTC h ou r for start slot 0-23; 24 = RATMDA is used all other FATDMA fields ig nored; 25-31 n ot used UTC m inute for start slot 0-59; 60 = UTC m inute not avail abl e = default; 61 -63 n ot used Start slot 12 Starting sl ot for th e qu ery response = device type = vend or I D = uni qu e identifier Kind of req uested version inform ation = m anufacturer serial num ber = m odel code (product code) = software revision = hard ware revision 7-1 = n ot used, for futu re use Spare 46 Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bits 28 – 04 – I EC 62320-2: 201 © I EC 201 T a b l e A – Q u e ry re s p o n s e v i a t h e V D L fo r V E R N u m ber of D e s c ri p t i o n P a m e t e r b i ts Bits 5-6 = 1 1 01 1 = 990 Application id entifier Bits 5-0 = 01 01 = 26 16 Function i dentifier version inform ation M MSI of AtoN 30 M MSI of AtoN Kind of req uested version inform ation = device type = vend or I D = uni qu e identifier = m anufacturer serial num ber = m odel code (product code) = software revision = hardware revision 7-1 = not used, for futu re use Req uested version inform ation 66 Version i nform ation as requ ested; m anufacturer defi ned usin g 6-bit ASCI I characters Spare Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm To ta l 28 A 1 bi ts At o N fu n c t i o n I D c a p a b i l i t y This structure is used to provide the capability information of implem ented function I D by the EUT The parameters are given in Tables A 31 and A 32 T a b l e A – Q u e ry re q u e s t v i a t h e VD L fo r fu n c t i o n ID N u m ber of D e s c ri p t i o n P a m e t e r b i ts Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 01 01 = 27 Function i dentifier qu ery for AtoN functi on I D capabi lity M MSI of AtoN 30 M MSI of AtoN Channel selection – in dicates chan nel 1 – in dicates chan nel The q uery response wi ll on ly be sent on a singl e chan nel UTC h ou r for start slot 0-23; 24 = RATMDA is used all other FATDMA fields ig nored; 25-31 n ot used UTC m inute for start slot 0-59; 60 = UTC m inute not availabl e = default; 61 -63 n ot used Start slot 12 Starting sl ot for th e qu ery response Spare 50 Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm To ta l 28 bi ts I EC 62320-2: 201 © I EC 201 – 05 – T a b l e A – Q u e ry re s p o n s e v i a t h e V D L fo r fu n c t i o n ID N u m ber of D e s c ri p t i o n P a m e t e r B i ts Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 01 01 = 28 Function i dentifier version inform ation M MSI of AtoN 30 M MSI of AtoN Status of im plem entation for each functi on I D 64 Each bit corresponds to th e fu nction I D n um ber and th e bit val ue “0” i ndicates the functi on I D num ber is not supported an d “1 ” i ndicates supported (see exam ple below) Spare 10 Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm To ta l 28 bi ts Bit Value … … 63 (FI =0) (FI =1 ) (FI =2) … (FI =63) 1 … This exam ple indicates that fun ction I D = and fu nction I D = are supported and function I D = is not supported A Q u e ry v i a t h e VD L fo r M e s s a g e co n te n t Function I dentifier 33 messages are rem oved from this edition of this standard because it is a two-slot m essage and therefore cannot be used with Message 25 The response m essage is replaced by the Message 21 configuration response messages function identifier 39 to function identifier 42 (see Table A 3) The definition of edition of this standard was that if the AtoN station is not chained and within VDL range of the base station query via the VDL for ACE, and ACF verification is done using both a forced broadcast of Message 21 and additional functional queries Forced Message 21 provides the query information for the following settings: • • • • • • • • position accuracy; EPFS type; type of AtoN; dim ensions; AtoN status bits; receiver and transmitter channels (query via the VDL does not work, unless at least one channel is known and functional); AtoN name; virtual AtoN flag I f the AtoN station is chained and not within the VDL range of the base station the following queries shall be used to obtain: • • • position accuracy; EPFS type; type of AtoN; – 06 – • • • • • I EC 62320-2: 201 © I EC 201 dim ensions; AtoN status bits; receiver and transmitter channels (query via the VDL does not work, unless at least one channel is known and functional); AtoN nam e; virtual AtoN flag The param eters from edition of this standard are given in Tables A 33 and A.34 Tabl e A 33 – Qu ery req u est vi a th e VDL for M essag e 21 ten t Param eter N u m ber of bi ts Des cri pti on Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 00000 = 32 Function i dentifier for q uery for Messag e 21 content M MSI of AtoN 30 MMSI of AtoN Chann el sel ection – indicates chan nel 1 – in dicates chan nel The q uery response wi ll on ly be sent on a singl e chan nel UTC h our for start slot 0-23; 24 = RATMDA is used all other FATDMA fields ig nored; 2531 n ot used UTC m inute for start slot 0-59; 60 = UTC m inute not availabl e =d efault; 61 -63 n ot used Start sl ot 12 Starting sl ot for the qu ery response Spare 50 Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bi ts 28 NOTE Not used in this edition of the stan dard Tabl e A 34 – Qu ery respon se vi a th e VDL for M essag e 21 ten t Param eter N u m ber of bi ts Des cri pti on Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 =1 00001 = 33 Function i dentifier for answer to qu ery for M essage 21 conten t Messag e 21 content 272-360 Spare VDL M essage 21 content as d efined in Recom m endation I TU -R M 371 The n um ber of spare bits shoul d be adjusted in ord er to observe byte bou nd ari es NOTE Not used in this edition of the standard A General qu ery req uest This message can be used as a general query request I t can replace the special request messages I EC 62320-2: 201 © I EC 201 – 07 – The param eters are given in Table A 35 Table A.35 – General query request via the VDL Parameter Number of bits Description Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 0001 = 34 Function i dentifier general q uery M MSI of AtoN 30 M MSI of AtoN Channel selection – in dicates channel 1 – in dicates chan nel The q uery response wi ll on ly be sent on a singl e chan nel UTC h ou r for start slot 0-23; 24 = RATMDA is used all other FATDMA fields ig nored; 25-31 n ot used UTC m inute for start slot 0-59; 60 = UTC m inute not avail abl e = default; 61 -63 n ot used Start slot 12 Starting sl ot for th e qu ery response Req uested i nform ation Function i dentifier of the req uested m essage Additional i nform ation for req u ested inform ation, Query for FI 26 (versi on ): kind of requested version inform ation Req uested ki nd of i nform ation Messag e I D of req uested inform ation Query for FI (broadcast rates): Messag e I D of req uested setting, = n o inform ation, all Messag e I Ds are req uested Spare 34 Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bits 28 Query for FI (broadcast rates); Messag e I D I n dex, = all settings are requ ested A.1 Configuration of receiver operational times command (COP) This structure defines the operational period for the receivers When chaining, the duration of the receiver wake-up tim e should be sufficient to allow correct operation of a chain The parameters are given in Table A 36 The structure of the query response for receiver on time is identical to the configuration message except the function identifier is 36 instead of 35 – 08 – I EC 62320-2: 201 © I EC 201 Table A.36 – Configu ration via the VDL for COP Parameter Number of bits Description Bits 5-6 = 1 1 01 1 = 990 Bits 5-0 = 0001 = 35 Application id entifier 16 Function i dentifier setting recei ver power on Bits 5-0 = 001 00 = 36 Function i dentifier receiver power on response M MSI of AtoN 30 MMSI of AtoN Operational Mode = operation controlled by internal process using the defi ned operati ng sched ule = en abl e operation = disable operation = reserved for future use Start tim e UTC hour 0-23; 24-31 not used Start tim e UTC m inute 0-59; 60-63 not used Tim e interval between periods 14 I nterval between receiver acti vation – 080 m in Tim e interval between periods = shall n ot be g reater than week (604800 s), shal l not be hi gher resoluti on th an m in, an d the interval shal l evenl y di vid e an hou r, day or be an i nteg er n um ber of days; this results in th e following valid i ntervals: Min utes: , 2, 3, 4, 5, 6, 0, 2, 5, 20, 30 Hou rs: , 2, 3, 4, 6, 8, 2, 24 Day: , 2, 3, 4, 5, 6, Duration of peri od 11 to 440 m in an d 441 to 047 reserved for futu re use Reference Year 14 to 999 = year not avai lable/ig nore Years in th e past are n ot perm issible Reference M onth to = m onth not avai lable/ig nore to reserved for future use Reference Day to 31 = day n ot available/i gn ore Spare 13 Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bits 28 A.1 Configuration of message payload for broadcast (MEB) This m essage is used to define the control information and the message content for single or autonom ous, continuous transm ission The broadcast rate configuration (FI 2, 3) with Message I D/Message I D index for a specific message should precede the payload configuration to identify it as autonomous continuous transmission I f it is a single transm ission, this payload will be broadcast using the slots reserved by FI 2, with Message I D/Message I D index = 0, or it will use the next available slot I EC 62320-2: 201 © I EC 201 – 09 – In a first step the payload control inform ation m essage has to be applied, in a second step the payload has to be defined The param eters are given in Tables A 37 and A 38 Tabl e A 37 – Payl oad trol fi g u rati on vi a th e VDL Param eter N u m ber of bi ts Des cri pti on Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 001 01 =37 Function i dentifier payload trol M MSI of AtoN 30 M MSI of AtoN Messag e I D This is an all owed Messag e I D for AI S AtoN stations Messag e I D in dex To identify different versi ons of applicati on specific m essages per Message I D – for exam ple Messag e m ay h ave m ore than one use Broadcast beh aviou r = based upon CBR confi guration = use n ext avail able slot Destinati on i ndicator = broadcast = ad dressed Req uired for m essage 25 and 26 Binary d ata flag = unstructured bi nary data = bin ary d ata cod ed as defin ed by 6-bit application id entifi er Destinati on M MSI 30 Req uired for add ressed m essages (d estinati on in dicator = ) Spare 32 Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bi ts 28 – 110 – I EC 62320-2: 201 © I EC 201 Table A 38 – Payl oad bi n ary d ata vi a th e VDL Param eter N u m ber of bi ts Des cri pti on Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 001 =38 Function i dentifier payload rebroadcast M MSI of AtoN 30 M MSI of AtoN Messag e I D This is an all owed Messag e I D for AI S AtoN stations Messag e I D in dex To identify different versi ons of applicati on -specific m essages per Message I D – for exam ple Messag e m ay h ave m ore than one use Total n um ber of structu res Total n um ber of structu res required to be received before a com plete AI S m essage can be constructed; m inim um of is needed to broadcast a singl e slot m essage Sequence n um ber Sequence n um ber within th e total num ber of structures req uired; should be seq uential Payload l en gth Num ber of payload bits Payload 48 Binary d ata or safety rel ated text, for a val id AI S AtoN station m essage, incl udin g DAC/FI for structured bi nary data Spare Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bi ts 28 A Query response vi a the VDL for M essage 21 confi gurati on The following m essages replace the M essage 21 content response message, FI 33 Message FI 39 provides all Message 21 configuration inform ation except the AtoN nam e The other messages (FI 40… 42) provide the AtoN name They are identical to the AtoN name configuration messages except the new function identifiers They can be queried using the general query, FI 34 (see A.1 3) The param eters are given in Tables A 39 to A 42 I EC 62320-2: 201 © I EC 201 – 111 – Tabl e A 39 – Qu ery respon se vi a th e VDL, M essag e 21 fi g u rati on Param eter N u m ber of bi ts Des cri pti on Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 001 1 = 39 Function i dentifier for Message 21 content M MSI of AtoN 30 MMSI of AtoN Type of AtoN = not available = d efault; refer to appropri ate d efiniti on set up in I TU-R M 371 30 Reference poi nt for reported position; also i ndicates the dim ension of ds-to-n avi gati on (see I TU-R M 371 ) Dim ensions Shoul d be given as aaabbbccd d I ndication of the AtoN status, d efault “00000000 ” Virtual AtoN flag = vi rtual AtoN Position accuracy 1 = hig h; = low = d efau lt EPFS type As defined i n I TU -R M 371 AtoN status bits = real = synth etic AtoN (fl ag rem ain s in Message 21 but th e repeat indicator should be > 0) Determ ines beh aviou r for m essage acknowl ed gem ent Acknowled gem ent procedure = will provi de ackn owl edg em ent as defi ned by m anufacturer = will not provid e acknowled gem ent Spare 23 Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bi ts 28 Tabl e A 40 – Qu ery respon se vi a th e VDL, fi rst ch aracters of AtoN n am e Param eter N u m ber of bi ts Des cri pti on Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 01 000 = 40 Function i dentifier for Message 21 content First characters of AtoN n am e M MSI of AtoN 30 MMSI of AtoN Nam e of AtoN 72 First characters of 34 ch aracters for nam e of AtoN Spare Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bi ts 28 – 112 – I EC 62320-2: 201 © I EC 201 Tabl e A 41 – Qu ery respon se vi a th e VDL, secon d ch aracters of AtoN n am e Param eter N u m ber of bi ts Des cri pti on Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 01 001 = 41 Function i dentifier for Message 21 content Second characters of AtoN nam e M MSI of AtoN 30 MMSI of AtoN Nam e of AtoN 72 Second characters of 34 ch aracters for n am e of AtoN Spare Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bi ts 28 Tabl e A 42 – Qu ery respon se vi a th e VDL, l ast ch aracters of AtoN n am e Param eter N u m ber of bi ts Des cri pti on Bits 5-6 = 1 1 01 1 = 990 Application id entifier 16 Bits 5-0 = 01 01 = 42 Function i dentifier for Message 21 content Last characters of AtoN n am e M MSI of AtoN 30 MMSI of AtoN Nam e of AtoN 60 Last characters of 34 ch aracters for nam e of AtoN Spare 14 Spare bits needed for 20-bit m essage content AES encrypti on ch ecksum Req uired for AES algorithm Total bi ts 28 I EC 62320-2: 201 © I EC 201 – 113 – An n e x B (normative) M essag e 21 – At o N s ta t u s b i ts I nitial factory default setting for the AtoN status bits of Message 21 shall be all zeros These bits may also represent the AtoN status as defined by I ALA recom mendation A-1 26 I ALA A-1 26 defines the first three bits as a page I D The page I D can range from to 7, allowing pages The first page (Page I D (000)) is defined as the default “not used” condition in Recomm endation I TU -R M 371 Page I Ds to are being used regionally and Page I Ds to are not defined and are reserved for future use Page I D is used for the general AtoN status as shown in Figure B Table B contains an overview of all I ALA A-1 26 defined AtoN status pages Tabl e B Pag e I D – At o N s ta tu s p a g e s N am e Use (000) Default AtoN status bits are not used (001 ) Regi on al page Reserved for futu re use (01 0) Regi on al page Reserved for futu re use (01 ) Regi on al page Reserved for futu re use (1 00) I ntern ational pag e Reserved for futu re use (1 01 ) I ntern ational pag e Reserved for futu re use (1 0) I ntern ational pag e Reserved for futu re use (1 1 ) General AtoN Status RACON, li ght status, & health 1 XX XX X = good health = alarm Page ID = 1 (7) RACON status: 00 = no RACON installed 01 = RACON installed but not monitored = RACON operational 1 = RACON error Light status: 00 = no light or no monitoring 01 = light ON = light OFF 1 = light error IEC F i g u re B – U s e o f At o N s t a t u s b i t s a s I AL A A - P a g e I D For further details on the use of the AtoN status pages refer to I ALA documentation – 114 – I EC 62320-2: 201 © I EC 201 Bibliography I EC 60950, Information technology equipment – Safety IEC 61 62-1 , Maritime navigation and radiocommunication equipment and systems – Digital interfaces – Part 1: Single talker and multiple listeners IEC 61 62-2, Maritime navigation and radiocommunication equipment and systems – Digital interfaces – Part 2: Single talker and multiple listeners, high-speed transmission Maritime navigation and radiocommunication equipment and systems – Digital interfaces – Part 460: Multiple talkers and multiple listeners – Ethernet interconnection – Safety and Security IEC 61 62-460, Maritime navigation and radiocommunication equipment and systems – Automatic identification systems (AIS) – Part 2: Class A shipborne equipment of the universal automatic identification system (AIS) – Operational and performance requirements, methods of test and required test results IEC 61 993-2, ISO/I EC 01 8-3, Information technology – Security techniques – Hash-functions – Part 3: Dedicated hash-functions I SO/I EC 3239: 2002, Information technology – Telecommunications and information exchange between systems – High-level data link control (HDLC) procedures ISO/I EC 8033-3, Information Technology – Security Techniques – Encryption algorithms – Part 3: Block ciphers I MO MSC.1 /Circ.1 473, Policy on use of AIS Aids to Navigation ITU-R Recom mendation M 585, service Assignment and use of identities in the maritime mobile Interim solutions for improved efficiency in the use of the band 156-174 MHz by stations in the maritime mobile service ITU-R Recomm endation M 084, ITU-T Recommendation O.1 53, Basic parameters for the measurement of error performance at bit rates below the primary rate NMEA 01 83: J une 201 2, Standard for Interfacing Marine 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