Policy on Intellectual Property Right (IPR)
Annex 1 Operational characteristics of a VHF data exchange
system in the VHF maritime mobile band
1 General
2 VHF data exchange system
functions and frequency usage
2.1 VHF data exchange
system channel usage in accordance with RR Appendix 18
2.1.1 VHF data
exchange system: data exchange between terrestrial stations
2.1.2 VHF data
exchange system: data exchange between satellites and terrestrial stations
2.1.3 Technical
characteristics
3 Common Elements of the VDES
3.1 Identification
3.2 Protocol layer
overview
3.2.1 Transport
layer
3.2.2 Network
layer
3.2.3 Link layer
3.2.4 Physical
layer
3.3 Frame Structure
3.4 Presentation interface
protocol
3.5 Forward Error
Correction
3.5.1 Encoder Structure
3.5.2 Constituent
codes
3.5.3 Interleaver
definition
3.5.4 Rate
Adaptation
3.6 CRC
3.7 Antenna configurations
for VDES ship stations
3.7.1 Antenna Gain
3.7.2 Received
signal to noise plus interference level
3.8 Ship e.i.r.p. vs.
elevation angle
3.9 Transmitter
requirements for VDES ship stations
3.9.1 Transmitter
power
3.10 Shutdown procedure
3.11 Safety precautions
4 Functions of the VDES
4.1 Automatic
Identification System
4.2 Application-Specific
Messages – Annex 2
4.3 VDE terrestrial –
Annex 3
4.4 VDE satellite downlink
– Annex 4
4.5 VDE satellite uplink –
Annex 5
4.6 VDES sharing options –
Annex 6
4.7 VDES original design
considerations – Annex 7
Annex 2 Technical characteristics of the Application Specific
Message (ASM) channels for the VDES in the VHF maritime mobile band
1 Structure of the application
specific messages
1.1 Specific
responsibilities of the OSI layers as defined in Annex 1 for preparing ASM data
for transmission
1.1.1 Physical layer
1.1.2 Link layer
1.1.3 Network layer
1.1.4 Transport layer
2 Physical layer
2.1 Parameters
2.1.1 General
2.1.2 Transmission
media
2.1.3 Multi-channel operation
2.2 Transceiver
characteristics
2.3 Modulation scheme
2.3.1 π/4
Quadrature Phase-Shift Keying (π/4 QPSK)
2.3.2 Frequency
stability
2.4 Data transmission bit
rate
2.5 Training sequence
2.6 Signal information
2.7 Data encoding
2.8 Forward error
correction
2.9 Transmitter transient
response
2.9.1 Switching
time
2.10 Transmitter power
3 Link layer
3.1 Sub-layer 1 – medium
access control
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
3.2.1 Data link
activation and release
3.2.2 Data
transfer
3.2.3 Error
detection and control
3.2.4 Forward
Error correction
3.3 Sub layer 3 – link
management entity
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 Message
structure
4 Network layer
5 Transport layer
5.1 Definition of
transmission packet
5.2 Transmission packets
5.2.1 Addressed
Messages
5.2.2 Broadcast
messages
5.2.3 Conversion
to presentation interface messages
5.2.4 Conversion
of data into transmission packets
5.3 Presentation interface
protocol
6 Satellite uplink message
6.1 Packet bit structure
for satellite uplink message
6.2
Transmitting the satellite uplink broadcast message
Annex 3 Technical characteristics of VDE-terrestrial in the
maritime mobile band
1 Introduction
2 OSI layer
3 Physical layer
3.1 Range
3.2 Transmitter Parameter
settings
3.3 Antenna
3.4 Modulation
3.4.1 Waveforms
3.4.2 Bit
Mapping
3.5 Sensitivity and
Interference
3.6 Symbol timing accuracy
3.7 Transmitter timing jitter
3.8 Slot transmission
accuracy at the output
3.9 Slot structure
3.9.1 Ramp up
3.9.2 Training
sequence
3.9.3 Signal
information
3.9.4 Bit mapping
for training sequence and signal information
3.9.5 Data with
CRC-32
3.9.6 Forward
error correction
3.9.7 Bit
scrambling
3.9.8 Buffer
4 Link layer
4.1 Access Schemes
4.2 Data encapsulation
4.3 Cyclic redundancy
check
4.4 Automatic repeat
request (ARQ)
4.5 Acknowledgement (ACK)
4.6 End delivery
notification (EDN)
4.7 End delivery failure
(EDF)
4.8 Frame hierarchy
4.9 Channel resource and
media access control for VDE terrestrial
4.9.1 Simplex
modes
4.9.2 Duplex
modes
4.10 Physical and logical
channels
4.11 Physical channels
4.12 Logical channels
4.12.1 Terrestrial
bulletin board (TBB) signalling channel
4.12.2 Announcement
signalling channel (ASC)
4.12.3 Multicast
data channel (MDC)
4.12.4 Unicast
data channel (UDC)
4.12.5 Random
access channel (RAC)
5 Network layer
5.1 Terrestrial data
transfer protocols
6 Transport layer
Annex 4 Technical characteristics of VDE satellite downlink
in the VHF maritime mobile band
1 Introduction
2 VDE-SAT downlink physical layer
2.1 VDE-SAT downlink key
parameters
2.1.1 Satellite
to surface distance range
2.1.2 Carrier
frequency error
2.1.3 Downlink
link budget analyses
2.1.4 Satellite
downlink e.i.r.p.
2.1.5 Satellite
e.i.r.p. vs. elevation
2.1.6 Protection
of the radio astronomy service in the 150.05-153 MHz band
2.1.7 Receive antenna gain
2.1.8 Received
signal to noise plus interference level
2.1.9 Link C/(N0+I0)
2.1.10 Propagation effects
2.2 Physical layer
modulation schemes
2.3 Baseband shaping and
quadrature modulation
2.4 Transmission accuracy
figures
2.4.1 Symbol
timing accuracy (at the output of satellite)
2.4.2 Transmitter
timing jitter
2.4.3 Slot
transmission accuracy at the satellite output
2.5 Half duplex and full
duplex satellites
2.6 Frame hierarchy
2.6.1 Guard time
and ramp up
2.6.2 Synchronization
pilot
2.6.3 Synchronization
(SYNC) word
2.6.4 Direct
sequence spreading
2.6.5 PL-Frame header
2.6.6 Data
segment forward error correction coding
2.6.7 Data
segments
2.6.8 Physical
layer scrambling
2.6.9 Channel
interleaver
2.6.10 Ramp down
2.6.11 Guard
time
2.7 VDE-SAT downlink
PL-Frame formats
2.7.1 PL-Frame
format 1
2.7.2 PL-Frame format 2
2.7.3 PL-Frame format 3
3 VDE-SAT link layer
3.1 Data encapsulation
3.2 Cyclic redundancy
check
3.3 Automatic repeat
request (ARQ)
3.4 Acknowledgement (ACK)
3.5 End delivery
notification (EDN)
3.6 End delivery failure
(EDF)
3.7 Physical and logical
channels
3.7.1 Physical
channels
3.7.2 Logical
channels
3.8 Signalling logical
channels
3.8.1 Bulletin
board signalling channel
3.8.2 Announcement
signalling channel (ASC)
3.8.3 Multicast
data channel (MDC)
3.8.4 Unicast
data channel (UDC)
4 Network layer
4.1 Downlink data transfer
protocols
5 Transport layer
5.1 End to end protocols
5.2 Ship, gateway and
device physical addressing
5.3 Shore addressing of
ships, gateways and devices
Annex 5 Technical characteristics of VDE satellite uplink in
the VHF maritime mobile band
1 Introduction
2 VDE-SAT uplink physical layer
2.1 VDE-SAT uplink key
parameters
2.1.1 Satellite
to surface distance range
2.1.2 Transmitter
requirements for mobile station
2.1.3 Mobile
station transmit antenna gain
2.1.4 Link
budget analysis
2.1.5 Ship
e.i.r.p. vs. elevation angle
2.1.6 Satellite
antenna gain
2.1.7 Satellite system noise temperature
2.1.8 Uplink C/N0
2.1.9 Propagation effects
2.2 Physical layer modulation schemes
2.2.1 Spread
spectrum with constant envelope
2.3 Baseband shaping and
quadrature modulation
2.4 Transmission timing
accuracy
2.4.1 Symbol
timing accuracy (at the output of satellite)
2.4.2 Transmitter
timing jitter
2.4.3 Slot
transmission accuracy at the satellite output
2.5 Half duplex and full
duplex satellites
2.6 Frame hierarchy
2.6.1 Uplink
physical layer frame (PL-Frame)
2.6.2 Burst
structure
2.6.3 Guard time
and ramp up
2.6.4 Preamble
2.6.5 Synchronization pilot
2.6.6 Synchronization
(SYNC) unique word
2.6.7 PL-Frame
header
2.6.8 Direct
sequence spreading
2.6.9 Data
segment forward error correction coding
2.6.10 Data
segments
2.6.11 Physical
layer scrambling
2.6.12 Channel
interleaver
2.6.13 Ramp down
2.6.14 Guard
time
2.7 VDE-SAT uplink
PL-Frame formats
2.7.1 VDE-SAT
Uplink PL-Frame format 1
2.7.2 VDE-SAT uplink PL-Frame format 2
2.7.3 VDE-SAT uplink PL-Frame format 3
2.7.4 VDE-SAT uplink PL-Frame format 4
2.7.5 VDE-SAT uplink PL-Frame format 5
3 VDE-SAT link layer
3.1 Data encapsulation
3.2 Cyclic redundancy
check
3.3 Automatic repeat
request (ARQ)
3.4 Acknowledgement (ACK)
3.5 End delivery
notification (EDN)
3.6 End delivery failure
(EDF)
3.7 Physical and logical
channels
3.8 Physical channels
3.8.1 Logical
channels
3.9 Signalling logical
channels
3.9.1 Random
access resource request (RQSC)
3.9.2 Announcement
response channel (ARSC)
3.9.3 Acknowledgement
(ACK)
3.9.4 Automatic
repeat request signalling channel (ARQSC)
3.10 Data logical channels
3.10.1 Random
access short messaging channel (RADC)
3.10.2 Assigned
data transfer channel (ADDC)
4 Network layer
4.1 Uplink data transfer
protocols
5 Transport layer
Annex 6 Resource sharing method for VDES Terrestrial and
Satellite Services
1 Introduction
2 VDES resource sharing principles
2.1 Common frequency-time
frame structure
2.2 AIS priority
2.3 Coordination with ASM
2.4 Shore station VDES
control area
2.5 VDE-SAT resource
assignment
3 Frame hierarchy definition
3.1 Time slot
3.2 Hexslot
3.3 Timeslot numbering
3.4 Uberslot
3.5 Sub frame
4 VDE terrestrial and VDE-SAT
downlink resource sharing
4.1 Initial resource
sharing configuration
5 Sharing between different VDE
satellite systems
6 VDE-1A terrestrial and VDE-SAT
uplink resource sharing
Annex 7 Original design considerations to validate the VDES
concept
1 Introduction
2 Summary of operational
capability and performance
3 Technical considerations for
VHF data exchange system access schemes
4
Time division multiple access scheme for the VHF date exchange
terrestrial service
4.1 Time division multiple
access schemes
4.1.1 Time
division multiple access scheme for the VHF data exchange system application
specific message channels
4.1.2 Time division multiple access scheme for the
VHF data exchange system ship-to-shore link
4.1.3 Time division multiple access scheme for the
VHF data exchange system ship-to-ship link
4.1.4 Time
division multiple access scheme for the VHF data exchange system shore‑to‑ship
link
4.2 Sharing options for
the VHF data exchange terrestrial and VHF data exchange satellite services
4.2.1 VHF data
exchange terrestrial links on the upper legs (VDE1-B) and VHF data exchange
satellite downlink
4.2.2 VHF data
exchange terrestrial (VDE1-A) and VHF data exchange satellite uplink
5 VHF data exchange – terrestrial
5.1 Waveforms for VHF data
exchange
5.1.1 Transmission
waveforms for VHF data exchange terrestrial links
5.1.2 Transmission
waveform for the 25 kHz application specific message channels
5.1.3 Transmission
waveform for the 100 kHz VHF data exchange channels
5.2 Antenna options for
VHF data exchange system terrestrial stations
6 VHF data exchange by satellite
6.1
General
6.1.1 VHF data exchange system satellite
component
6.1.2 Applications
6.2
Overall architecture, operational characteristics and
assumptions
6.2.1 Architecture
6.2.2 Operational characteristics
6.3
Technical characteristics
6.3.1 VHF data exchange-satellite channels and
spectrum
6.3.2 Rationale of channel allocation for VHF data
exchange-satellite
6.4
Example VHF data exchange system satellite implementation
6.4.1 Determine the VHF data exchange system
satellite orbital characteristics
6.4.2 VHF data exchange system satellite antenna
and downlink characteristics
7 Propagation range predictions
for VHF data exchange system terrestrial links
7.1 Introduction
7.1.1 Ship-to-shore
application
7.1.2 Shore-to-ship
application
8 Example of VHF data exchange
satellite downlink implementation and analysis
8.1 Introduction
8.2 VHF data exchange
satellite orbital characteristics
8.2.1 VHF data
exchange satellite downlink characteristics
8.2.2 VHF data
exchange satellite receiver characteristics
8.2.3 “Ideal”
receiving antenna
8.2.4 Realistic
receiving antenna
8.2.5 Waveform choice