AS/NZS IEC 62287.1:2014
Maritime navigation and radiocommunication equipment and systems - Class B shipborne equipment of the automatic identification system (AIS) - Part 1: Carrier-sense time division multiple access (CSTDMA) techniques
Specifies the minimum operational and performance requirements, methods of testing and required test results for Class B shipborne AIS equipment using CSTDMA techniques. This standard takes into account other associated IEC International Standards and existing national standards, as applicable. Identical to and reproduced from IEC 62287-1:2013, Ed. 2.1.
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AS/NZS IEC 62287.1:2014
COPYRIGHT
PREFACE
CONTENTS
Figure
Figure 1 – OSI layer model
Figure 2 – Carrier-sense timing
Figure 3 – Power versus time mask
Figure 4 – Transmission packet
Figure 5 – Training sequence
Figure 6 – Transmission timing
Figure 7 – Example for CSTDMA access
Figure 8 – Format for repeating four-packet cluster
Figure 9 – Measurement arrangement for carrier power
Figure 10 – Emission mask
Figure 11 – Measurement arrangement for modulation accuracy
Figure 12 – Measurement arrangement
Figure 13 – Measurement arrangement with two generators
Figure 14 – SINAD or PER/BER measuring equipment
Figure 15 – Measurement arrangement for intermodulation
Figure 16 – Configuration for carrier-sense threshold test
Figure 17 – Regional area scenario
Figure A.1 – Effect on Class A AIS messages of Class B messages
Figure A.2 – Reception of messages by Class A AIS
Figure A.3 – Reception of messages by Class B AIS
Figure A.4 – Range achieved by a Class A AIS from Class B AIS
Figure D.1 – Channel management regions used for test given in 13.3.1
Table
Table 1 – Position sensor fallback conditions
Table 2 – Use of accuracy (PA) flag
Table 3 – Transceiver characteristics
Table 4 – Transmitter parameters
Table 5 – Receiver parameters
Table 6 – Definition of timings for Figure 3
Table 7 – Start-buffer
Table 8 – Summary of the transmission packet
Table 9 – Transmission timing
Table 10 – Access parameters
Table 11 – Use of VDL messages by a Class B”CS” AIS
Table 12 – Number of data bits for use with Message 14
Table 13 – Contents of Message 18
Table 14 – Message 24 Part A
Table 15 – Message 24 Part B
Table 16 – Contents of Message 23
Table 17 – Reporting interval settings for use with Message 23
Table 18 – Channel management
Table 19 – Content of first two packets
Table 20 – Fixed PRS data derived from ITU-T O.153
Table 21 – Test summary
Table 22 – Peak frequency deviation versus time
Table 23 – Frequencies for inter-modulation test
Table 24 – Required threshold test results
Table 25 – Required carrier-sense timing results
Table 26 – Required channels in use
Table C.1 – DSC monitoring times
INTRODUCTION to Amendment 1
1 Scope
2 Normative references
3 Abbreviations
4 General requirements
4.1 General
4.2 Manuals
4.3 Marking and identification
5 Environmental, power supply, interference and safety requirements
6 Performance requirements
6.1 Composition
6.2 Operating frequency channels
6.3 GNSS receiver for position reporting
6.4 Identification
6.5 AIS information
6.6 Alarms and indications, fall-back arrangements
6.7 User interface
6.8 Protection from invalid control commands
7 Technical requirements
7.1 General
7.2 Physical layer
7.3 Link layer
7.4 Network layer
7.5 Transport layer
8 Test conditions
8.1 General
8.2 Normal and extreme test conditions
8.3 Test signals
8.4 Test arrangements
9 Power supply, environmental and EMC tests
9.1 Test summary
9.2 Vibration/shock
10 Operational tests
10.1 General
10.2 Modes of operation
10.3 Messages extending one time period
10.4 Channel selection
10.5 Internal GNSS receiver
10.6 AIS information
10.7 Initialisation period
10.8 Alarms and indications, fall-back arrangements
10.9 User interface
11 Physical tests
11.1 TDMA transmitter
11.2 TDMA receivers
11.3 Conducted spurious emissions
12 Specific tests of link layer
12.1 TDMA synchronisation
12.2 Carrier-sense tests
12.3 VDL state/reservations
12.4 Data encoding (bit stuffing)
12.5 Frame check sequence
12.6 Slot allocation (channel access protocol)
12.7 Assigned operation
12.8 Message formats
13 Specific tests of network layer
13.1 Regional area designation by VDL message
13.2 Regional area designation by serial message or manually
13.3 Management of received regional operating settings
Annex A(informative)Results of computer simulations and testing of CSTDMA technology
A.1 Computer simulations
A.2 Carrier-sense tests
A.3 Range tests
A.4 Conclusion
Annex B(informative)Description of the system
Annex C(normative)DSC channel management
C.1 DSC functionality
C.2 DSC time sharing
C.3 DSC functionality tests
C.4 DSC receiver tests
Annex D(informative)Channel management regions
Bibliography
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References
Maritime navigation and radiocommunication equipment and systems - Automatic identification systems (AIS) - AIS base stations - Minimum operational and performance requirements, methods of testing and required test results
Related Information
Radiocommunications Regulations (Radio Standards) Notice 2015 - Revoked
Ministry: Ministry of Business Innovation and Employment - Records & Library Services
Section: Table 1
Citation context:Listed as a Standard applicable to maritime, aeronautical and safety services
Radiocommunications Regulations (Radio Standards) Notice 2016 - Revoked
Ministry: Ministry of Business Innovation and Employment - Records & Library Services
Section: Table 1
Citation context:Listed as a Standard applicable to maritime, aeronautical and safety services
Radiocommunications Regulations (Radio Standards) Notice 2020 - Revoked
Ministry: Ministry of Business Innovation and Employment - Records & Library Services
Section: Table 1
Citation context:Listed as a standard applicable to class B shipborne equipment of the automatic identification system (AIS) (CSTDMA), compliance meets A2 level of conformity.
Radiocommunications Regulations (Radio Standards) Notice 2023
Ministry: Ministry of Business Innovation and Employment - Records & Library Services
Section: Table 3
Citation context:Listed as a standard applicable to Maritime, Aeronautical and Safety Services, compliance meets A2 level of conformity.
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AS/NZS IEC 62287.1:2014
COPYRIGHT
PREFACE
CONTENTS
Figure
Figure 1 – OSI layer model
Figure 2 – Carrier-sense timing
Figure 3 – Power versus time mask
Figure 4 – Transmission packet
Figure 5 – Training sequence
Figure 6 – Transmission timing
Figure 7 – Example for CSTDMA access
Figure 8 – Format for repeating four-packet cluster
Figure 9 – Measurement arrangement for carrier power
Figure 10 – Emission mask
Figure 11 – Measurement arrangement for modulation accuracy
Figure 12 – Measurement arrangement
Figure 13 – Measurement arrangement with two generators
Figure 14 – SINAD or PER/BER measuring equipment
Figure 15 – Measurement arrangement for intermodulation
Figure 16 – Configuration for carrier-sense threshold test
Figure 17 – Regional area scenario
Figure A.1 – Effect on Class A AIS messages of Class B messages
Figure A.2 – Reception of messages by Class A AIS
Figure A.3 – Reception of messages by Class B AIS
Figure A.4 – Range achieved by a Class A AIS from Class B AIS
Figure D.1 – Channel management regions used for test given in 13.3.1
Table
Table 1 – Position sensor fallback conditions
Table 2 – Use of accuracy (PA) flag
Table 3 – Transceiver characteristics
Table 4 – Transmitter parameters
Table 5 – Receiver parameters
Table 6 – Definition of timings for Figure 3
Table 7 – Start-buffer
Table 8 – Summary of the transmission packet
Table 9 – Transmission timing
Table 10 – Access parameters
Table 11 – Use of VDL messages by a Class B”CS” AIS
Table 12 – Number of data bits for use with Message 14
Table 13 – Contents of Message 18
Table 14 – Message 24 Part A
Table 15 – Message 24 Part B
Table 16 – Contents of Message 23
Table 17 – Reporting interval settings for use with Message 23
Table 18 – Channel management
Table 19 – Content of first two packets
Table 20 – Fixed PRS data derived from ITU-T O.153
Table 21 – Test summary
Table 22 – Peak frequency deviation versus time
Table 23 – Frequencies for inter-modulation test
Table 24 – Required threshold test results
Table 25 – Required carrier-sense timing results
Table 26 – Required channels in use
Table C.1 – DSC monitoring times
INTRODUCTION to Amendment 1
1 Scope
2 Normative references
3 Abbreviations
4 General requirements
4.1 General
4.2 Manuals
4.3 Marking and identification
5 Environmental, power supply, interference and safety requirements
6 Performance requirements
6.1 Composition
6.2 Operating frequency channels
6.3 GNSS receiver for position reporting
6.4 Identification
6.5 AIS information
6.6 Alarms and indications, fall-back arrangements
6.7 User interface
6.8 Protection from invalid control commands
7 Technical requirements
7.1 General
7.2 Physical layer
7.3 Link layer
7.4 Network layer
7.5 Transport layer
8 Test conditions
8.1 General
8.2 Normal and extreme test conditions
8.3 Test signals
8.4 Test arrangements
9 Power supply, environmental and EMC tests
9.1 Test summary
9.2 Vibration/shock
10 Operational tests
10.1 General
10.2 Modes of operation
10.3 Messages extending one time period
10.4 Channel selection
10.5 Internal GNSS receiver
10.6 AIS information
10.7 Initialisation period
10.8 Alarms and indications, fall-back arrangements
10.9 User interface
11 Physical tests
11.1 TDMA transmitter
11.2 TDMA receivers
11.3 Conducted spurious emissions
12 Specific tests of link layer
12.1 TDMA synchronisation
12.2 Carrier-sense tests
12.3 VDL state/reservations
12.4 Data encoding (bit stuffing)
12.5 Frame check sequence
12.6 Slot allocation (channel access protocol)
12.7 Assigned operation
12.8 Message formats
13 Specific tests of network layer
13.1 Regional area designation by VDL message
13.2 Regional area designation by serial message or manually
13.3 Management of received regional operating settings
Annex A(informative)Results of computer simulations and testing of CSTDMA technology
A.1 Computer simulations
A.2 Carrier-sense tests
A.3 Range tests
A.4 Conclusion
Annex B(informative)Description of the system
Annex C(normative)DSC channel management
C.1 DSC functionality
C.2 DSC time sharing
C.3 DSC functionality tests
C.4 DSC receiver tests
Annex D(informative)Channel management regions
Bibliography
Previous versions
AS/NZS IEC 62287.1:2014
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.