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INITIAL SEQ. NO. OF A2-56 (COMP)
SPARE
SPARE
Figure A2-55. AES system table broadcast -
P channel
Spot beam series index
SPARE
SPARE
SPARE
SPARE
EXS'
GBS+
BIT NO.
B
EXS'
EXS'
9
R
10
I I I I I I I
MESSAGE TYPE 1
7 N
U
8 M
1 ROTISION NO. l 2
1 SEQUENCE NO. I SPARE 1 3
t SPARE
R
GES ID
BEAM ID
r CCllT CRC
4 0
C
5 T
Figure A2-57. AES system table broadcast -
P channel
Spot beam series GBS P/R channel advice last SSU
BIT NO.
8 7 6 5 4 3 2 1
1 MESSAGE TYPE I 1
1 GES ID 4 0
REVISION NO.
CHANNEL FREQUENCY 1;C
2
C CHANNEL FREQUENCY
8 M
SEQUENCE NO. 1 LSU NO. 3
CHANNEL FREQUENCY
CClTT CRC
Figure A2-56. AES system table broadcast -
P channel
Spot beam series GES P/R channel advice SU
BIT NO.
I I I I. I I I 1 MESSAGE TYPE 1
I REVISION NO.
I SEQUENCE NO.
SAT. ID (Isb) SAT. INCLINATION SF' 4 0
SATELLITE RIGHT ASCENSION
SATELLITE LONGITUDE 6 T
t SATELLITEIBEAM-IDENTIFYING
P,, CHANNEL FREQUENCY NO. 2 10
- SATELLITVBEAM-IDENTIFYING -
P,, CHANNEL FREQUENCY NO. 1
t CCln CRC
7 N
U
8 M
R
I I
* Satellite flag
Figure A2-58. AES system table broadcast - P channel
Spot beam series satelliteheam
ID channel advice ISU
Annex 10 - Aeronautical Telecommunications Volume ZZZ
BIT NO.
8 7 6 5 4 3 2 1
1 MESSAGE TYPE 1
1 REVISION NO. 1 2
1' " SEQUENCE NO. I SAT. ID 1 3
4 0
C
BEAM ID 5 T
E
6 T
7 N
U L SPARE
CClll CRC
Figure A2-59. AES system table broadcast -
P channel
Spot beam series satelliteheam ID
channel advice SSU
BIT NO.
8 7 6 5 4 3 2 1
1 MESSAGE TYPE I 1
REVISION NO.
SEQUENCE NO. I SPARE
GES BEAM SUPPORT TABLE
2
3
GES ID
B
RESERVED
10
11
CClll CRC
12
4 0
C
5 T
Figure A2-60. AES system table broadcast -
P channel
Spot beam series GES beam
support advice
Appendix 3 to Chapter 4
SIGNAL UNIT FIELD CODING AND DESIGNATION
ACK/NAK
Acknowledge conmol
AES ID
Application reference number
Beam ID
Burst interval
Burst length
Calledlcalling terminal
Cause class
Cause value
Channel bit rate
Channel frequency
Channel type
Circuit data rate
Circuit data requirement
Class of AES
CCITT CRC
Data bit rate capability
Delay to RES
Digit
DLS/RLS
Duration
EIRP adjustment
Existence
GES ID
GES beam support table
Idle pattern
Initial EIW
VR (initiayrenewal)
Length
Global beam series (GBS)
Location
ESU number
LOV
Message length
Message type
Network ID
NOT (number of transmitters)
Number of bursts reserved
Number of C channels
Number of frequencies
Number of octets in the last SSU
Number of SSUs (in Ack)
PiR MSG
PIS (primarylsecondary)
Q number (precedence)
Reason
Received bit error rate
Reference number
Report type
Reserved
Revision number
RFC flag
S (coding standard)
Satellite flag
Satellite ID
Satellite inclination
Satellite longitude
Satellite right ascension
SC
Sequence indicator
Sequence number
Sequence number (off-set value)
Service direction
Service identity
Source
Spare
Spot beam series (SPS)
Starting frame number
Starting slot number
SU type
TDMA MSG
T, channel number
Universal time
Voice channel characteristics
ANNEX 10 - VOLUME 111
Annex 10 - Aeronautical Telecommunications Volume ZZZ
SIGNAL UNIT FllELD CODING AND DESIGNATIONS
Note.- Codes are listed as their decimal values unless 6. Burst interval (4 bits)
indicated as hexadecimal by the letters HEX. Codes marked
RESERVED are reserved for use in particular AMSS system In a multi-burst reservation, this field shall indicate that there
implementations. is one burst reservation per 2B' frames, where BI=burst
interval.
1. ACK/NAK (1 bit) 7. Burst length (5 bits)
Code Function This field shall indicate the length of the burst in terms of the
0 NAK, retransmit indicated message number of signal units.
1 ACK, do not retransmit indicated message
2. Acknowledge control (4 bits)
Code Function
0 This ACK includes all retransmission requests
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