BS EN 62287-2:2017 – TC:2020 Edition
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Tracked Changes. Maritime navigation and radiocommunication equipment and systems. Class B shipborne equipment of the automatic identification system (AIS) – Self-organising time division multiple access (SOTDMA) techniques
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 0 |
IEC 62287-2:2017(E) specifies operational and performance requirements, methods of testing and required test results for Class B ‘SO’ shipborne automatic identifications system (AIS) equipment using self-organising time division multiple access (SOTDMA) techniques as described in Recommendation ITU-R M.1371. This document takes into account other associated IEC International Standards and existing national standards, as applicable. This edition includes the following significant technical change with respect to the previous edition: the introduction of transmission of Message 27 on channels 75 and 76 for the long range application by broadcast.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 104 | National foreword |
| 109 | CONTENTS |
| 115 | FOREWORD |
| 117 | 1 Scope 2 Normative references |
| 118 | 3 Terms, definitions and abbreviated terms 3.1 Terms and definitions 3.2 Abbreviated terms |
| 119 | 4 General requirements 4.1 General 4.1.1 Capabilities of the Class B "SO" AIS 4.1.2 Quality assurance |
| 120 | 4.1.3 Safety of operation 4.1.4 Additional features 4.1.5 Functionality 4.2 Manuals 4.3 Marking and identification 5 Environmental, power supply, interference and safety requirements |
| 121 | 6 Performance requirements 6.1 Internal processes |
| 122 | 6.2 Operating frequency channels 6.3 Internal GNSS receiver for position reporting 6.4 Identification 6.5 AIS Information 6.5.1 Information content |
| 123 | 6.5.2 Information reporting intervals Tables Table 1 – Dynamic information autonomous reporting intervals for Class B "SO" AIS |
| 124 | 6.5.3 Short safety-related messages 6.5.4 Permissible initialisation period 6.6 Alarms and indications, fall-back arrangements 6.6.1 Built-in integrity tests (BIIT) |
| 125 | 6.6.2 Transmitter shutdown procedure Table 2 – BIIT and reaction to malfunctions |
| 126 | 6.6.3 Position sensor fallback conditions 6.7 User interface 6.7.1 Indication and display Table 3 – Position sensor fallback conditions |
| 127 | 6.7.2 Static data input 6.7.3 External interfaces 6.8 Protection from invalid control commands 7 Technical requirements 7.1 General |
| 128 | 7.2 Physical layer 7.2.1 General 7.2.2 Receiver characteristics Figures Figure 1 – OSI layer model |
| 129 | 7.2.3 Other characteristics Table 4 – Required receiver performance Table 5 – Transceiver characteristics |
| 130 | 7.2.4 Transmitter requirements |
| 131 | 7.3 Link layer 7.3.1 General 7.3.2 Link sub-layer 1: medium access control (MAC) Table 6 – Transmitter characteristics |
| 132 | Figure 2 – Power versus time mask |
| 133 | 7.3.3 Link sub-layer 2: data link service (DLS) 7.3.4 Link sub-layer 3: link management entity (LME) Table 7 – Definitions of timing for Figure 2 |
| 136 | Table 8 – Use of VDL Messages by a Class B "SO" AIS |
| 137 | 7.4 Network layer 7.4.1 General 7.4.2 Management of regional operating settings |
| 138 | 7.4.3 Multi-channel operation 7.5 Transport layer |
| 139 | 7.6 Presentation interface 7.7 DSC receive capability 7.8 Long-range application by broadcast 8 Test conditions 8.1 General 8.2 Normal test conditions 8.2.1 Temperature and humidity |
| 140 | 8.2.2 Power supply 8.3 Extreme test conditions 8.4 Test signals 8.4.1 Standard test signal number 1 8.4.2 Standard test signal number 2 8.4.3 Standard test signal number 3 8.4.4 Standard test signal number 4 Figure 3 – Format for repeating four-packet cluster |
| 141 | 8.5 Standard test environment 8.5.1 Test setup Table 9 – Content of first two packets Table 10 – Fixed PRS data derived from ITU-T O.153 |
| 142 | 8.5.2 Sensor test input 8.5.3 Synchronisation 8.5.4 Test signals applied to the receiver input 8.5.5 Waiver for receivers 8.5.6 Artificial antenna (dummy load) 8.5.7 Modes of operation of the transmitter 8.5.8 Common test conditions for protection from invalid controls 8.5.9 Measurement uncertainties |
| 143 | 9 Power supply, environmental and EMC tests 9.1 Test summary |
| 144 | 9.2 Vibration 9.2.1 Purpose 9.2.2 Method of measurement Table 11 – Test |
| 145 | 9.2.3 Required results 9.3 Shock 9.3.1 Purpose 9.3.2 Method of measurement 9.3.3 Required result 9.4 Performance tests/checks 9.5 Under voltage test (brown out) 9.5.1 Purpose 9.5.2 Method of test |
| 146 | 9.5.3 Required result 9.6 Under voltage test (short term) 9.6.1 Purpose 9.6.2 Method of test 9.6.3 Required result 10 Operational tests 10.1 General 10.1.1 Tests by inspection 10.1.2 Safety of operation |
| 147 | 10.1.3 Additional features 10.2 Modes of operation 10.2.1 Autonomous mode |
| 149 | 10.2.2 Single messages |
| 152 | 10.2.3 Polled mode and interrogation response 10.3 Channel selection |
| 153 | 10.3.1 Valid channels 10.3.2 Invalid channels 10.4 Internal GNSS receiver 10.5 AIS information 10.5.1 Information content |
| 154 | 10.5.2 Information update intervals |
| 156 | 10.6 Initialisation period 10.6.1 Purpose 10.6.2 Method of measurement 10.6.3 Required results 10.7 Alarms and indications, fall-back arrangements 10.7.1 Built in integrity test |
| 157 | 10.7.2 Transceiver protection 10.7.3 Transmitter shutdown procedure 10.7.4 Position sensor fallback conditions |
| 158 | 10.8 User interface 10.8.1 Status indication 10.8.2 Message display |
| 159 | 10.8.3 Static data input |
| 160 | 11 Physical tests 11.1 TDMA transmitter 11.1.1 Frequency error 11.1.2 Carrier power Figure 4 – Measurement arrangement for carrier power |
| 161 | 11.1.3 Transmission spectrum |
| 162 | 11.1.4 Modulation accuracy Figure 5 – Emission mask Figure 6 – Measurement arrangement for modulation accuracy |
| 163 | 11.1.5 Transmitter output power versus time function Table 12 – Peak frequency deviation versus time |
| 164 | 11.2 TDMA receivers 11.2.1 Sensitivity Figure 7 – Measurement arrangement |
| 165 | 11.2.2 Error behaviour at high input levels 11.2.3 Co-channel rejection Figure 8 – Measurement arrangement with two generators |
| 166 | 11.2.4 Adjacent channel selectivity |
| 167 | 11.2.5 Spurious response rejection |
| 168 | Figure 9 – SINAD or PER/BER measuring equipment |
| 169 | 11.2.6 Intermodulation response rejection Figure 10 – Measurement arrangement for intermodulation |
| 170 | 11.2.7 Blocking or desensitisation Table 13 – Frequencies for intermodulation test |
| 171 | 11.3 Conducted spurious emissions 11.3.1 Spurious emissions from the receiver 11.3.2 Spurious emissions from the transmitter |
| 172 | 12 Specific tests of link layer 12.1 TDMA synchronisation 12.1.1 Synchronisation test using UTC direct and indirect |
| 173 | 12.1.2 Synchronisation test without UTC, EUT receiving semaphore 12.2 Time division (frame format) 12.2.1 Purpose 12.2.2 Method of measurement 12.2.3 Required results 12.3 Synchronisation jitter 12.3.1 Definition |
| 174 | 12.3.2 Purpose 12.3.3 Method of measurement 12.3.4 Required results 12.4 Data encoding (bit stuffing) 12.4.1 Purpose 12.4.2 Method of measurement 12.4.3 Required results 12.5 Frame check sequence 12.5.1 Purpose 12.5.2 Method of measurement 12.5.3 Required results |
| 175 | 12.6 Slot allocation (channel access protocols) 12.6.1 Network entry 12.6.2 Autonomous scheduled transmissions (SOTDMA) 12.6.3 Autonomous scheduled transmissions (ITDMA) 12.6.4 Transmission of Messages 24A and 24B (ITDMA) |
| 176 | 12.6.5 Assigned operation |
| 178 | 12.6.6 Group assignment |
| 182 | 12.6.7 Base station reservations 12.7 Message formats 12.7.1 Received messages 12.7.2 Transmitted messages |
| 183 | 13 Specific tests of network layer 13.1 Regional area designation by VDL Message 13.1.1 Purpose 13.1.2 Method of measurement |
| 184 | 13.1.3 Required results Figure 11 – Regional transitional zones Table 14 – Regional area scenario Table 15 – Required channels in use |
| 185 | 13.2 Channel management by addressed Message 22 13.2.1 Purpose 13.2.2 Method of measurement 13.2.3 Required results 13.3 Invalid regional operating areas 13.3.1 Purpose 13.3.2 Method of measurement 13.3.3 Required results 13.4 Continuation of autonomous mode reporting interval 13.4.1 Purpose |
| 186 | 13.4.2 Method of test 13.4.3 Required result 13.5 Slot reuse and FATDMA reservations 13.5.1 Method of measurement 13.5.2 Required results 13.6 Long-range application by broadcast 13.6.1 Long-range broadcast |
| 187 | 13.6.2 Multiple assignment operation |
| 188 | 13.7 Other features |
| 189 | Annex A (normative)DSC channel management A.1 DSC functionality A.2 DSC time sharing |
| 190 | A.3 DSC test signals A.3.1 DSC test signal number 1 A.3.2 DSC test signal number 2 A.3.3 DSC test signal number 3 A.3.4 DSC test signal number 4 A.4 DSC functionality tests A.4.1 General A.4.2 Method of measurement Table A.1 – DSC monitoring times |
| 191 | A.4.3 Required results A.4.4 Regional area designation A.4.5 Scheduling A.4.6 DSC flag in Message 18 |
| 192 | A.4.7 DSC monitoring time plan A.4.8 Replacement or erasure of dated or remote regional operating settings |
| 193 | A.4.9 Test of addressed telecommand A.4.10 Invalid regional operating areas A.5 DSC receiver tests A.5.1 General |
| 194 | A.5.2 Maximum sensitivity A.5.3 Error behaviour at high input levels A.5.4 Co-channel rejection |
| 195 | A.5.5 Adjacent channel selectivity A.5.6 Spurious response rejection A.5.7 Inter-modulation response rejection |
| 196 | A.5.8 Blocking or desensitisation |
| 197 | Annex B (normative)Calculation of area size B.1 Importance of a common method for area size B.2 Calculation of area sizes Table B.1 – Coordinate points |
| 198 | Annex C (informative)Digital interface sentence to parameter group number equivalence Table C.1 – Digital sentence to PGN equivalence |
| 199 | Bibliography |
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