Annex 1 - Operational characteristics of a universal
shipborne AIS using TDMA techniques in the VHF maritime mobile band
1 General
2 Shipborne mobile equipment classes
3 Identification
4 Information content
4.1
Short safety related messages
4.2
Information update rates for autonomous
mode
4.2.1
Reporting rate
5 Frequency band
Annex 2 - Technical
characteristics of a universal shipborne AIS
using TDMA techniques in the maritime mobile band
1 Structure of this Annex
2 Physical layer
2.1
Parameters
2.1.1 General
2.1.2
Constants
2.1.3 Bandwidth dependent parameters
2.1.4 Transmission media
2.1.5 Dual channel operation
2.2
Bandwidth
2.3
Transceiver characteristics
2.4
Modulation scheme
2.4.1 GMSK
2.4.2 Frequency modulation
2.4.3 Frequency stability
2.5 Data
transmission bit rate
2.6 Training
sequence
2.7 Data
encoding
2.8 Forward
error correction
2.9
Interleaving
2.10 Bit
scrambling
2.11 Data link
sensing
2.12 Transmitter
settling time
2.12.1 Transmitter RF attack time
2.12.2
Transmitter frequency stabilization time
2.12.3 Transmitter RF release time
2.12.4 Switching time
2.13 Transmitter
power
2.14 Shutdown
procedure
2.15 Safety
precautions
3 Link layer
3.1 Sublayer
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 Sublayer
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 Sublayer
3 – link management entity (LME)
3.3.1 Access to the data link
3.3.2 Modes of operation
3.3.3 Initialization
3.3.4 Channel access schemes
3.3.5 Autonomous and continuous operation
3.3.6 Assigned operation
3.3.7 Message structure
3.3.8 Message types
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
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 Rr’s
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 message
5.3.2 Broadcast messages
5.3.3 Conversion to presentation interface messages
5.4
Presentation interface protocol
Annex 3 - DSC compatibility
1 General
2 Scheduling
3 Polling
4 Regional channel designation
5 Regional area designation
Annex 4 Long-range
applications
Annex 5 - Application specific messages
Use of application identifiers within binary messages by applications
1 General
2 Allocation of FIs within the IAI branch
3 Definitions of IFMs
3.1 IFM 0:
Text telegram using 6-bit ASCII
3.2 IFM 1:
Application acknowledgement
3.3 IFM 2:
Interrogation for specified FMs within the IAI branch
3.4 IFM 3:
Capability interrogation
3.5 IFM 4:
Capability reply
3.6 IFM 16:
VTS targets (targets derived by means other than AIS)
3.7 IFM 17:
Ship waypoints (WP) and/or route plan report
3.8 IFM 18:
Advice of waypoints (AWP) and/or route plan of VTS
3.9 IFM 19:
Extended ship static and voyage related data
3.10 IFM 40:
Number of persons on board
4 Guidelines for maintaining the IAI branch
5 Guidelines for the allocation of FIs within RAI
branches
6 Guidelines for the development of RFMs within
RAI branches
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