Annex 1
Operational characteristics of an AIS using TDMA techniques in the VHF maritime
mobile band
1 General
2 AIS equipment
2.1
AIS VHF data link (VDL) non-controlling stations
2.1.1 AIS shipborne
station
2.1.2 Aids to
navigation-AIS station
2.1.3 Limited base
station (no VDL control functionality)
2.1.4 Search and rescue
mobile aircraft equipment
2.1.5 Repeater station
2.2
AIS VDL controlling stations
2.2.1 Base station
3 Identification
4 Information
content
4.1
Short safety related messages
4.2
Information update intervals for autonomous mode
4.2.1 Reporting interval
(RI)
5 Frequency band
Annex 2 Technical characteristics of an AIS using TDMA techniques in the
maritime mobile band
1 Structure of the
AIS
1.1
AIS layer module
1.2
Responsibilities of AIS layers for preparing AIS data for
transmission
1.2.1 Transport layer
1.2.2 Network layer
1.2.3 Link layer
1.2.4 Physical layer
2 Physical layer
2.1
Parameters
2.1.1 General
2.1.2 Constants
2.1.3 Transmission media
2.1.4 Dual channel
operation
2.2
Transceiver characteristics
2.3
Modulation scheme
2.3.1 GMSK
2.3.2 Frequency
modulation
2.3.3 Frequency stability
2.4
Data transmission bit rate
2.5
Training sequence
2.6
Data encoding
2.7
Forward error correction
2.8
Interleaving
2.9
Bit scrambling
2.10
Data link sensing
2.11
Transmitter transient response
2.11.1 Switching time
2.12
Transmitter power
2.13
Shutdown procedure
2.14
Safety precautions
3 Link layer
3.1
Sub-layer 1: medium access control (MAC)
3.1.1 TDMA
synchronization
3.1.2 Time division
3.1.3 Slot phase and
frame synchronization
3.1.4 Slot identification
3.1.5 Slot access
3.1.6 Slot state
3.2
Sub layer 2: data link service (DLS)
3.2.1 Data link
activation and release
3.2.2 Data transfer
3.2.3 Error detection and
control
3.3
Sub layer 3 – link management entity (LME)
3.3.1 Access to the data
link
3.3.2 Modes of operation
3.3.3 Initialisation
3.3.4 Channel access
schemes
3.3.5 Autonomous and
continuous operation
3.3.6 Assigned operation
3.3.7 Message structure
4 Network layer
4.1
Dual channel operation and channel management
4.1.1 Operating frequency
channels
4.1.2 Normal default mode
of dual channel operation
4.1.3 Regional operating
frequencies
4.1.4 Regional operating
areas
4.1.5 Transitional mode
operations near regional boundaries
4.1.6 Channel management
by manual input
4.1.7 Resumption of
operation after power on
4.1.8 Priority of channel
management commands and clearing of stored regional operating settings
4.1.9 Conditions for
changing both AIS operational frequency channels
4.2
Distribution of transmission packets
4.2.1 The user directory
4.2.2 Routing of
transmission packets
4.2.3 Management of
priority assignments for messages
4.3
Changing reporting interval
4.3.1 Autonomously
changed Rr (continuous and autonomous mode)
4.3.2 Assigned Rr
4.4
Data link congestion resolution
4.4.1 Intentional slot
reuse by the own station
4.4.2 Use of assignment
for congestion resolution
4.5
Base station operation
4.6
Repeater operation
4.6.1 Repeat indicator
4.6.2 Duplex repeater
mode
4.6.3 Simplex repeater
mode
4.7
Handling of errors related to packet sequencing and groups of
packets
5 Transport layer
5.1
Definition of transmission packet
5.2
Conversion of data into transmission packets
5.2.1 Conversion to
transmission packets
5.3 Transmission
packets
5.3.1 Addressed Messages 6 and 12
5.3.2 Broadcast messages
5.3.3 Conversion to
presentation interface messages
5.4
Presentation interface protocol
Annex 3 AIS channel management by digital selective calling
messages
1 General
2 Scheduling
3 Regional channel
designation
4 Regional area
designation
Annex 4 Long-range applications
Annex 5 Application specific messages
1 General
1.1 Binary
messages
1.2
Definition of application identifiers
1.3
Definition of function messages
2 Binary data
structure
2.1
Application identifier
2.1.1 Test application
identifier
2.1.2 International
application identifier
3 Guidelines for
creating functional messages
3.1
International functional messages
3.2
Regional functional messages
4 Guidelines for drafting
functional messages (FM)
5 Definitions of
system related international function messages
5.1
IFM 0: Text using 6-bit ASCII
5.2
IFM 2: Interrogation for a specific FM
5.3
IFM 3: Capability interrogation
5.4
IFM 4: Capability reply
5.5
IFM 5: Application acknowledgement to an addressed binary message
Annex 6 Sequencing of transmission packets
Annex 7 Class B AIS using CSTDMA technology
1 Definition
2 General
requirements
2.1
General
2.1.1 Capabilities of the
Class B “CS” AIS
2.1.2 Modes of operation
3 Performance
requirements
3.1
Composition
3.2
Operating frequency channels
3.3
Internal GNSS receiver for position reporting
3.4
Identification
3.5
AIS Information
3.5.1 Information content
3.5.2 Information
reporting intervals
3.5.3 Transmitter shutdown
procedure
3.5.4 Static data input
4 Technical
requirements
4.1
General
4.2
Physical layer
4.2.1 Transceiver
characteristics
4.2.2 Transmitter requirements
4.2.3 Receiver parameters
4.3
Link layer
4.3.1 Link sub-layer 1:
medium access control (MAC)
4.3.2 Link sub-layer 2:
data link service (DLS)
4.3.3 Link sub-layer 3 –
link management entity (LME)
4.4
Network layer
4.4.1 Dual channel
operation
4.4.2 Channel management
4.4.3 Distribution of
transmission packets
4.4.4 Data link
congestion resolution
4.5
Transport layer
4.5.1 Transmission
packets
4.5.2 Sequencing of data
packets
4.6
DSC channel management
4.6.1 DSC functionality
4.6.2 DSC time-sharing
Annex 8 AIS Messages
1 Message types
2 Message summary
3 Message
descriptions
3.1
Messages 1, 2, 3: Position reports
3.2
Message 4: Base station report
3.3
Message 5: Ship static and voyage related data
3.3.1 The data terminal
equipment (DTE) indicator
3.3.2 Type of ship
3.3.3 Reference point for
reported position and overall dimensions of ship
3.4
Message 6: Addressed binary message
3.5
Message 7: Binary acknowledge
3.6
Message 8: Binary broadcast message
3.7
Message 9: Standard SAR aircraft position report
3.8
Message 10: UTC and date inquiry
3.9
Message 11: UTC/date response
3.10
Message 12: Addressed safety related message
3.11
Message 13: Safety related acknowledge
3.12
Message 14: Safety related broadcast message
3.13
Message 15: Interrogation
3.14
Message 16: Assigned mode command
3.15
Message 17: GNSS broadcast binary message
3.16
Message 18: Standard Class B equipment position report
3.17
Message 19: Extended Class B equipment position report
3.18
Message 20: Data link management message
3.19
Message 21: Aids-to-navigation report (AtoN)
3.20
Message 22: Channel management
3.21
Message 23: Group Assignment Command
3.22
Message 24: Static data report
3.23
Message 25: Single slot binary message
3.24
Message 26: Multiple slot binary message with communications state
Annex 9 Abbreviations in Recommendation ITU-R M. 1371-3