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BS EN IEC 61993-2:2018

BS EN IEC 61993-2:2018

$215.11

Maritime navigation and radiocommunication equipment and systems. Automatic Identification Systems (AIS) – Class A shipborne equipment of the automatic identification system (AIS). Operational and performance requirements, methods of test and required test results

Published By Publication Date Number of Pages
BSI 2018 154
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This part of IEC 61993 specifies the minimum operational and performance requirements, methods of testing and required test results conforming to performance standards adopted by IMO in Resolution MSC.74(69):1998, Annex 3. This document incorporates the applicable technical characteristics of Class A shipborne equipment included in Recommendation ITU-R M.1371 and takes into account the ITU Radio Regulations, where applicable. In addition, it takes account of IMO Resolution A.694(17) to which IEC 60945 is associated. When a requirement in this document is different from IEC 60945, the requirement of this document takes precedence.

This document also specifies the minimum requirements both for the means to input and display data and for the interfaces to other equipment suitable to be used as means of input and display data.

NOTE All text of this document that is identical to that in IMO resolution MSC.74(69):1998, Annex 3, or to that in ITU-R Recommendation M.1371 is printed in italics, and references to the resolution (abbreviated to “A3”) or the recommendation (abbreviated to “M.1371”) and paragraph numbers are indicated in parentheses, for instance (A3/3.3) or (M.1371-5/A2-3.3) respectively.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
15 FOREWORD
17 1 Scope
2 Normative references
18 3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
19 3.2 Abbreviated terms
20 4 General requirements
4.1 General
4.1.1 Overview
4.1.2 General requirements
4.1.3 Capabilities of the AIS
4.1.4 Additional requirements
21 4.1.5 Transmitter shutdown procedure
4.1.6 Quality assurance
4.2 Modes of operation
4.3 Manuals
4.4 Marking and identification
22 5 Other requirements
5.1 Environmental, power supply, special purpose and safety requirements
5.2 Display of information
5.3 Update of software
6 Performance requirements
6.1 Composition
23 6.2 Time and position
6.2.1 Source for UTC
6.2.2 Source for AIS position reporting
24 6.3 User interface
6.4 Identification
6.5 Information
6.5.1 Information provided by the AIS
Tables
Table 1 –Talker IDs for automatic detection of electronic position fixing system type
25 6.5.2 Information reporting intervals
26 6.5.3 Ship reporting capacity
6.6 Event log
Table 2 – Information reporting intervals for autonomous mode
27 6.7 Permissible initialization period
6.8 Power supply
6.9 Technical characteristics
6.10 Alerts and indications, fall-back arrangements
6.10.1 Built-in test equipment
28 Table 3 – Required conditions for BIIT and reaction of the system to the condition detected
29 Table 4 – Classification of required alerts
30 6.10.2 Status messages
Table 5 – Mapping between BAM alert states and ALR alert states
31 Table 6 – Sensor status indications signalled using TXT sentence formatter
32 Table 7 – Position sensor fall-back conditions
33 Table 8 – Use of accuracy (PA) flag
34 6.11 Display, input and output
6.11.1 Minimum keyboard and display (MKD)
Table 9 – ROT sensor fallback conditions
35 Table 10 – Identification of locating devices when active
Table 11 – Identification of locating devices when in test mode
36 Table 12 – Identification of locating devices for type approval testing
37 Table 13 – Message display on MKD
38 6.11.2 Communication test
6.11.3 Alerts and status information
Table 14 – Position quality
39 6.11.4 Data protection
6.11.5 Distance calculation
40 6.12 Protection from invalid controls
7 Technical requirements
7.1 General
7.2 Physical layer
Figure 1 – OSI layer model
41 7.2.1 General
7.2.2 Transmitter parameters
Figures
Figure 2 – Power versus time characteristics
Table 15 – Transmitter parameters
42 7.2.3 Receiver parameters
7.3 Link layer
7.3.1 General
Table 16 – Power versus time characteristics
Table 17 – Receiver parameters
43 7.3.2 Link sublayer 1: Medium Access Control (MAC)
7.3.3 Link sublayer 2: Data Link Service (DLS)
7.3.4 Link sublayer 3 – Link Management Entity (LME)
44 Table 18 – Use of VDL messages
46 7.4 Network layer
7.4.1 General
7.4.2 Management of regional operating settings
47 7.5 Transport layer
7.6 Presentation interface
7.6.1 General
48 7.6.2 Automatic input of sensor data
Table 19 – Presentation interface access
49 7.6.3 High-speed input/output ports
Table 20 – IEC 61162-1 sensor sentences
51 Table 21 – AIS high-speed input data and formats
52 Table 22 – AIS high-speed output data and formats
53 Table 23 – Property identifiers
55 7.6.4 Long-range communication ports
56 Table 24 – AIS Long-range communications input data and formats
57 7.6.5 Optional IEC 61162-450/-460 interface
Table 25 – LR output data formats
58 Table 26 – Default input transmission groups with applicable sentences
Table 27 – TAG block parameters
59 Table 28 – CRP sentences applicable for Class A AIS
60 7.6.6 Test of the optional IEC 61162-450/-460 interface
61 7.6.7 BIIT alert output
Table 29 – Tests to be repeated for IEC 61162-450 interface
62 8 Long-range applications
8.1 General
8.2 Long-range application by two-way interface
8.2.1 General
8.2.2 Interrogations and responses
8.2.3 Manual and automatic response
8.2.4 Data formats and contents
63 8.2.5 Addressing AIS-units
8.3 Long-range application by broadcast
Table 30 – LR data types
64 9 Test conditions
9.1 Normal and extreme test conditions
9.1.1 Normal test conditions
9.1.2 Extreme test conditions
9.2 Standard test environment
65 9.3 Additional test arrangements
9.3.1 Arrangements for test signals applied to the receiver input
9.3.2 Encoder for receiver measurements
9.3.3 Waiver for receivers
9.3.4 Impedance
9.3.5 Artificial antenna (dummy load)
9.3.6 Facilities for access
9.3.7 Modes of operation of the transmitter
66 9.4 Common test conditions for protection from invalid controls
9.5 Measurement uncertainties
10 Test signals
10.1 Standard test signal number 1 (DSC)
10.2 Standard test signal number 2 (TDMA)
10.3 Standard test signal number 3 (TDMA)
67 10.4 Standard test signal number 4 (PRBS)
10.5 Standard test signal number 5 (PRBS)
Figure 3 – Format for repeating four-packet cluster
Table 31 – Content of first two packets
Table 32 – Fixed PRS data derived from Recommendation ITU-T O.153
68 11 Power supply, special purpose and safety tests
12 Environmental tests
13 EMC tests
14 Operational tests
14.1 Identification and operating modes
14.1.1 Autonomous mode
69 14.1.2 Assigned mode
14.1.3 Polled mode
70 14.1.4 Addressed operation
71 14.1.5 Broadcast operation
72 14.1.6 Multiple slot messages
14.2 Manuals, marking and identification
14.2.1 Method of measurement
73 14.2.2 Required results
14.3 Information
14.3.1 Information provided by the AIS
14.3.2 Reporting intervals
75 14.4 Event log
14.4.1 Method of measurement
14.4.2 Required results
14.5 Software update
14.5.1 Method of measurement
76 14.5.2 Required results
14.6 Initialization period
14.6.1 Method of measurement
14.6.2 Required results
14.7 Technical characteristics
14.7.1 Channel selection
14.7.2 Transceiver protection
77 14.7.3 Automatic power setting
14.8 Alerts and indicators, fall-back arrangements
14.8.1 Loss of power supply
14.8.2 Monitoring of functions and integrity
80 14.8.3 Monitoring of sensor data
83 14.9 Display, input and output
84 14.9.1 Data input/output facilities
14.9.2 Initiate message transmission
85 14.9.3 Communication test
14.9.4 System control
86 14.9.5 Display of received targets
87 14.9.6 Display of position quality
14.9.7 Display of targets if optional filter is implemented
88 14.9.8 Display of received safety related messages
14.9.9 Presentation of navigation information
15 Physical tests
89 15.1 TDMA transmitter
15.1.1 Frequency error
15.1.2 Carrier power
Figure 4 – Measurement arrangement for frequency error
Figure 5 – Measurement arrangement for carrier power
90 15.1.3 Slotted transmission spectrum
Figure 6 – Emission mask for slotted transmission
91 15.1.4 Modulation accuracy
15.1.5 Transmitter output power characteristics
Figure 7 – Measurement arrangement for modulation accuracy
Table 33 – Peak frequency deviation versus time
92 15.2 TDMA receivers
15.2.1 Sensitivity
Figure 8 – Measurement arrangement
93 15.2.2 Error behaviour at high input levels
15.2.3 Co-channel rejection
94 15.2.4 Adjacent channel selectivity
15.2.5 Spurious response rejection
Figure 9 – Measurement arrangement with two generators
95 Figure 10 – SINAD or PER/BER measuring equipment
97 15.2.6 Intermodulation response rejection and blocking
Figure 11 – Test set-up
Table 34 – Tests to be performed
98 15.2.7 Transmit to receive switching time
15.2.8 Immunity to out-of-band energy
Figure 12 – Transmit to receive switching time measurement setup
99 15.3 Conducted spurious emissions
15.3.1 Spurious emissions from the transmitter
100 15.3.2 Spurious emissions from the receiver
16 Specific tests of link layer
16.1 TDMA synchronisation
16.1.1 Synchronisation test using UTC
101 16.1.2 Synchronisation test using UTC with repeated messages
16.1.3 Synchronisation test without UTC, semaphore
102 16.1.4 Synchronisation test without UTC
16.1.5 Reception of un-synchronised messages
16.2 Time division (frame format)
16.2.1 Method of measurement
16.2.2 Required results
16.3 Synchronisation and jitter accuracy
16.3.1 Definition
16.3.2 Method of measurement
103 16.3.3 Required results
16.4 Data encoding (bit stuffing)
16.4.1 Method of measurement
16.4.2 Required results
16.5 Frame check sequence
16.5.1 Method of measurement
16.5.2 Required results
16.6 Slot allocation (channel access protocols)
16.6.1 Network entry
104 16.6.2 Autonomous scheduled transmissions (SOTDMA)
16.6.3 Autonomous scheduled transmissions (ITDMA)
16.6.4 Safety related/binary message transmission
105 16.6.5 Transmission of Message 5 (ITDMA)
16.6.6 Assigned operation
106 16.6.7 Group assignment
109 16.6.8 Fixed allocated transmissions (FATDMA)
110 16.6.9 Randomisation of message transmissions
16.7 Message formats
16.7.1 Received messages
16.7.2 Transmitted messages
111 17 Specific tests of network layer
17.1 Dual channel operation – Alternate transmissions
17.1.1 Method of measurement
17.1.2 Required results
17.2 Regional area designation by VDL message
17.2.1 Method of measurement
Figure 13 – Regional area scenario
112 17.2.2 Required results
17.3 Regional area designation by serial message
17.4 Regional area designation with lost position
17.4.1 Method of measurement
17.4.2 Required results
17.5 Power setting
17.5.1 Method of measurement
Table 35 – Primary channels for each region
113 17.5.2 Required results
17.6 Message priority handling
17.6.1 Method of measurement
17.6.2 Required results
17.7 Slot reuse and FATDMA reservations
17.7.1 Method of measurement
17.7.2 Required results
114 17.8 Management of received regional operating settings
17.8.1 Test for replacement or erasure of dated or remote regional operating settings
115 17.8.2 Test of correct input via presentation interface or MKD
17.8.3 Test of addressed telecommand
116 17.8.4 Test for invalid regional operating areas
17.9 Continuation of autonomous mode reporting interval
17.9.1 Method of test
17.9.2 Required results
18 Specific tests of transport layer
117 18.1 Addressed messages
18.1.1 Transmission
18.1.2 Acknowledgement
18.1.3 Transmission retry
18.1.4 Acknowledgement of addressed safety related messages
18.1.5 Behaviour of NavStatus 14 reception
118 18.2 Interrogation responses
18.2.1 Method of measurement
18.2.2 Required results
19 Specific presentation interface tests
19.1 General
19.2 Checking manufacturer’s documentation
119 19.3 Electrical test
19.3.1 Method of measurement
19.3.2 Required results
19.4 Test of input sensor interface performance
19.4.1 Method of measurement
19.4.2 Required results
19.5 Test of sensor input
19.5.1 Test of GNS input
120 19.5.2 Test of RMC input
19.5.3 Test of DTM input
121 19.5.4 Test of GBS input
122 19.5.5 Test of VBW input
19.5.6 Test of VTG input
19.5.7 Test of HDT/THS input
123 19.5.8 Test of ROT input
19.5.9 Test of different inputs
124 19.5.10 Test of multiple inputs
19.6 Test of high-speed output
19.6.1 Method of measurement
19.6.2 Required results
19.7 High-speed output interface performance
19.7.1 Method of measurement
125 19.7.2 Required results
19.8 Output of undefined VDL messages
19.8.1 Method of measurement
19.8.2 Required results
19.9 Test of high-speed input
19.9.1 General
19.9.2 Test of VSD input sentence
19.9.3 Test of SSD input sentence
126 19.9.4 Test of EPV input sentence
127 19.9.5 Test of the pilot port access level
20 Long-range functionality tests
20.1 Long-range application by two-way interface
20.1.1 LR interrogation
20.1.2 LR “all ships” interrogation
128 20.1.3 Consecutive LR “all ships” interrogations
20.2 Long-range application by broadcast
20.2.1 Long-range broadcast
129 20.2.2 Multiple assignment operation
131 Annex A (informative) Block diagram of AIS
132 Annexes
Annex B (normative) AIS interface overview
133 Annex C (normative) DSC functionality
C.1 DSC compatibility
C.2 DSC receiver tests
C.2.1 Maximum sensitivity
C.2.2 Error behaviour at high input levels
134 C.2.3 Co-channel rejection
C.2.4 Adjacent channel selectivity
C.2.5 Spurious response rejection
135 C.2.6 Intermodulation response rejection
136 C.2.7 Blocking or desensitisation
Figure C.1 – Measurement arrangement for inter-modulation
137 C.2.8 Conducted spurious emissions from the receiver
C.3 DSC functionality tests
C.3.1 Definition
C.3.2 Method of measurement
138 C.3.3 Required results
139 Annex D (informative) Alert handling with ALR/ACK
Table D.1 – IEC 61993-2:2012 alert states
Table D.2 – IEC 61993-2:2012 alert events
140 Figure D.1 – State diagram of IEC 61993-2 Ed.2 Alert handling
141 Annex E (normative) Calculation of area size and distance
E.1 Importance of a common method for area size and distance calculations
E.2 Calculation of area sizes
Table E.1 – Coordinate points
142 E.3 Calculation of general distances
E.3.1 General
E.3.2 Great-circle
E.3.3 Rhumb-line distance
143 Annex F (normative) New interface sentences – Sender signature authentication (SSA)
145 Annex G (normative) Updated interface sentences
G.1 General
G.2 VSD – AIS voyage static data
147 Annex H (informative) Conversion between IEC 61162-1 sentences and IEC 61162-3 parameter group numbers
Table H.1 – Conversion between IEC 61162-1 and IEC 61162-3
149 Annex I (normative) Extended tow dimension values
I.1 Purpose and background
I.2 Method
150 Figure I.1 – Input, extension and transmitted dimensional values
151 Bibliography

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