IEC 62287-2-2017 Maritime navigation and radiocommunication equipment and systems - Class B shipborne equipment of the automatic identification system (AIS) - Part 2 Self-organisin.pdf

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1、 IEC 62287-2 Edition 2.0 2017-02 INTERNATIONAL STANDARD Maritime navigation and radiocommunication equipment and systems Class B shipborne equipment of the automatic identification system (AIS) Part 2: Self-organising time division multiple access (SOTDMA) techniques IEC 62287-2:2017-02(en) colour i

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11、NATIONAL STANDARD Maritime navigation and radiocommunication equipment and systems Class B shipborne equipment of the automatic identification system (AIS) Part 2: Self-organising time division multiple access (SOTDMA) techniques INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 47.020.70 ISBN 978-2-832

12、2-3906-3 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 IEC 62287-2:2017 IEC 2017 CONTENTS FOREWORD . 8 1 Scope 10 2 Normative references 10 3 Terms, definitions and abbreviat

13、ed terms 11 3.1 Terms and definitions 11 3.2 Abbreviated terms . 11 4 General requirements 12 4.1 General . 12 4.1.1 Capabilities of the Class B “SO“ AIS 12 4.1.2 Quality assurance 12 4.1.3 Safety of operation 13 4.1.4 Additional features . 13 4.1.5 Functionality 13 4.2 Manuals 13 4.3 Marking and id

14、entification . 13 5 Environmental, power supply, interference and safety requirements 13 6 Performance requirements. 14 6.1 Internal processes 14 6.2 Operating frequency channels . 15 6.3 Internal GNSS receiver for position reporting 15 6.4 Identification . 15 6.5 AIS Information . 15 6.5.1 Informat

15、ion content 15 6.5.2 Information reporting intervals . 16 6.5.3 Short safety-related messages 17 6.5.4 Permissible initialisation period 17 6.6 Alarms and indications, fall-back arrangements 17 6.6.1 Built-in integrity tests (BIIT) . 17 6.6.2 Transmitter shutdown procedure 18 6.6.3 Position sensor f

16、allback conditions 19 6.7 User interface . 19 6.7.1 Indication and display 19 6.7.2 Static data input 20 6.7.3 External interfaces . 20 6.8 Protection from invalid control commands . 20 7 Technical requirements . 20 7.1 General . 20 7.2 Physical layer . 21 7.2.1 General . 21 7.2.2 Receiver character

17、istics. 21 7.2.3 Other characteristics 22 7.2.4 Transmitter requirements . 23 7.3 Link layer 24 7.3.1 General . 24 7.3.2 Link sub-layer 1: medium access control (MAC). 24 7.3.3 Link sub-layer 2: data link service (DLS) 26 IEC 62287-2:2017 IEC 2017 3 7.3.4 Link sub-layer 3: link management entity (LM

18、E) . 26 7.4 Network layer 30 7.4.1 General . 30 7.4.2 Management of regional operating settings 30 7.4.3 Multi-channel operation . 31 7.5 Transport layer . 31 7.6 Presentation interface . 32 7.7 DSC receive capability 32 7.8 Long-range application by broadcast . 32 8 Test conditions 32 8.1 General .

19、 32 8.2 Normal test conditions 32 8.2.1 Temperature and humidity . 32 8.2.2 Power supply . 33 8.3 Extreme test conditions . 33 8.4 Test signals 33 8.4.1 Standard test signal number 1 . 33 8.4.2 Standard test signal number 2 . 33 8.4.3 Standard test signal number 3 . 33 8.4.4 Standard test signal num

20、ber 4 . 33 8.5 Standard test environment 34 8.5.1 Test setup . 34 8.5.2 Sensor test input . 35 8.5.3 Synchronisation . 35 8.5.4 Test signals applied to the receiver input . 35 8.5.5 Waiver for receivers . 35 8.5.6 Artificial antenna (dummy load) . 35 8.5.7 Modes of operation of the transmitter. 35 8

21、.5.8 Common test conditions for protection from invalid controls . 35 8.5.9 Measurement uncertainties 35 9 Power supply, environmental and EMC tests . 36 9.1 Test summary . 36 9.2 Vibration . 37 9.2.1 Purpose . 37 9.2.2 Method of measurement 37 9.2.3 Required results 38 9.3 Shock . 38 9.3.1 Purpose

22、. 38 9.3.2 Method of measurement 38 9.3.3 Required result 38 9.4 Performance tests/checks . 38 9.5 Under voltage test (brown out) 38 9.5.1 Purpose . 38 9.5.2 Method of test 38 9.5.3 Required result 39 9.6 Under voltage test (short term) . 39 9.6.1 Purpose . 39 9.6.2 Method of test 39 9.6.3 Required

23、result 39 4 IEC 62287-2:2017 IEC 2017 10 Operational tests . 39 10.1 General . 39 10.1.1 Tests by inspection 39 10.1.2 Safety of operation 39 10.1.3 Additional features . 40 10.2 Modes of operation . 40 10.2.1 Autonomous mode . 40 10.2.2 Single messages . 42 10.2.3 Polled mode and interrogation resp

24、onse 45 10.3 Channel selection . 45 10.3.1 Valid channels . 46 10.3.2 Invalid channels . 46 10.4 Internal GNSS receiver . 46 10.5 AIS information . 46 10.5.1 Information content 46 10.5.2 Information update intervals 47 10.6 Initialisation period 49 10.6.1 Purpose . 49 10.6.2 Method of measurement 4

25、9 10.6.3 Required results 49 10.7 Alarms and indications, fall-back arrangements 49 10.7.1 Built in integrity test . 49 10.7.2 Transceiver protection . 50 10.7.3 Transmitter shutdown procedure 50 10.7.4 Position sensor fallback conditions 50 10.8 User interface . 51 10.8.1 Status indication 51 10.8.

26、2 Message display 51 10.8.3 Static data input 52 11 Physical tests 53 11.1 TDMA transmitter 53 11.1.1 Frequency error . 53 11.1.2 Carrier power . 53 11.1.3 Transmission spectrum 54 11.1.4 Modulation accuracy 55 11.1.5 Transmitter output power versus time function . 56 11.2 TDMA receivers 57 11.2.1 S

27、ensitivity 57 11.2.2 Error behaviour at high input levels 58 11.2.3 Co-channel rejection 58 11.2.4 Adjacent channel selectivity . 59 11.2.5 Spurious response rejection 60 11.2.6 Intermodulation response rejection 62 11.2.7 Blocking or desensitisation 63 11.3 Conducted spurious emissions 64 11.3.1 Sp

28、urious emissions from the receiver 64 11.3.2 Spurious emissions from the transmitter 64 12 Specific tests of link layer 65 12.1 TDMA synchronisation 65 IEC 62287-2:2017 IEC 2017 5 12.1.1 Synchronisation test using UTC direct and indirect 65 12.1.2 Synchronisation test without UTC, EUT receiving sema

29、phore 66 12.2 Time division (frame format) . 66 12.2.1 Purpose . 66 12.2.2 Method of measurement 66 12.2.3 Required results 66 12.3 Synchronisation jitter 66 12.3.1 Definition . 66 12.3.2 Purpose . 67 12.3.3 Method of measurement 67 12.3.4 Required results 67 12.4 Data encoding (bit stuffing) . 67 1

30、2.4.1 Purpose . 67 12.4.2 Method of measurement 67 12.4.3 Required results 67 12.5 Frame check sequence . 67 12.5.1 Purpose . 67 12.5.2 Method of measurement 67 12.5.3 Required results 67 12.6 Slot allocation (channel access protocols) . 68 12.6.1 Network entry 68 12.6.2 Autonomous scheduled transmi

31、ssions (SOTDMA) . 68 12.6.3 Autonomous scheduled transmissions (ITDMA) . 68 12.6.4 Transmission of Messages 24A and 24B (ITDMA) . 68 12.6.5 Assigned operation 69 12.6.6 Group assignment . 71 12.6.7 Base station reservations 75 12.7 Message formats 75 12.7.1 Received messages . 75 12.7.2 Transmitted

32、messages . 75 13 Specific tests of network layer . 76 13.1 Regional area designation by VDL Message . 76 13.1.1 Purpose . 76 13.1.2 Method of measurement 76 13.1.3 Required results 77 13.2 Channel management by addressed Message 22 . 78 13.2.1 Purpose . 78 13.2.2 Method of measurement 78 13.2.3 Requ

33、ired results 78 13.3 Invalid regional operating areas 78 13.3.1 Purpose . 78 13.3.2 Method of measurement 78 13.3.3 Required results 78 13.4 Continuation of autonomous mode reporting interval . 78 13.4.1 Purpose . 78 13.4.2 Method of test 79 13.4.3 Required result 79 13.5 Slot reuse and FATDMA reser

34、vations . 79 13.5.1 Method of measurement 79 6 IEC 62287-2:2017 IEC 2017 13.5.2 Required results 79 13.6 Long-range application by broadcast . 79 13.6.1 Long-range broadcast 79 13.6.2 Multiple assignment operation . 80 13.7 Other features . 81 Annex A (normative) DSC channel management 82 A.1 DSC fu

35、nctionality 82 A.2 DSC time sharing 82 A.3 DSC test signals . 83 A.3.1 DSC test signal number 1 83 A.3.2 DSC test signal number 2 83 A.3.3 DSC test signal number 3 83 A.3.4 DSC test signal number 4 83 A.4 DSC functionality tests 83 A.4.1 General . 83 A.4.2 Method of measurement 83 A.4.3 Required res

36、ults 84 A.4.4 Regional area designation . 84 A.4.5 Scheduling 84 A.4.6 DSC flag in Message 18 84 A.4.7 DSC monitoring time plan 85 A.4.8 Replacement or erasure of dated or remote regional operating settings . 85 A.4.9 Test of addressed telecommand 86 A.4.10 Invalid regional operating areas . 86 A.5

37、DSC receiver tests 86 A.5.1 General . 86 A.5.2 Maximum sensitivity. 87 A.5.3 Error behaviour at high input levels 87 A.5.4 Co-channel rejection 87 A.5.5 Adjacent channel selectivity . 88 A.5.6 Spurious response rejection 88 A.5.7 Inter-modulation response rejection . 88 A.5.8 Blocking or desensitisa

38、tion 89 Annex B (normative) Calculation of area size . 90 B.1 Importance of a common method for area size 90 B.2 Calculation of area sizes . 90 Annex C (informative) Digital interface sentence to parameter group number equivalence . 91 Bibliography 92 Figure 1 OSI layer model . 21 Figure 2 Power ver

39、sus time mask 25 Figure 3 Format for repeating four-packet cluster . 33 Figure 4 Measurement arrangement for carrier power 53 Figure 5 Emission mask . 55 Figure 6 Measurement arrangement for modulation accuracy 55 Figure 7 Measurement arrangement 57 Figure 8 Measurement arrangement with two generato

40、rs . 58 IEC 62287-2:2017 IEC 2017 7 Figure 9 SINAD or PER/BER measuring equipment . 61 Figure 10 Measurement arrangement for intermodulation . 62 Figure 11 Regional transitional zones 77 Table 1 Dynamic information autonomous reporting intervals for Class B “SO“ AIS 16 Table 2 BIIT and reaction to m

41、alfunctions 18 Table 3 Position sensor fallback conditions 19 Table 4 Required receiver performance . 22 Table 5 Transceiver characteristics 22 Table 6 Transmitter characteristics 24 Table 7 Definitions of timing for Figure 2 26 Table 8 Use of VDL Messages by a Class B “SO“ AIS . 29 Table 9 Content

42、of first two packets . 34 Table 10 Fixed PRS data derived from ITU-T O.153. 34 Table 11 Test . 37 Table 12 Peak frequency deviation versus time 56 Table 13 Frequencies for intermodulation test 63 Table 14 Regional area scenario 77 Table 15 Required channels in use 77 Table A.1 DSC monitoring times 8

43、3 Table B.1 Coordinate points . 90 Table C.1 Digital sentence to PGN equivalence . 91 8 IEC 62287-2:2017 IEC 2017 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENT AND SYSTEMS CLASS B SHIPBORNE EQUIPMENT OF THE AUTOMATIC IDENTIFICATION SYSTEM (AIS) Part

44、 2: Self-organising time division multiple access (SOTDMA) techniques FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote interna

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