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(high rate data)
NOTES:
5
loms
0
7
20 to 100
44
A-BPSK
5.0
1.2
1.2
0.1
7.5
0
12
20 to 100
95
A-BPSK
5
12
10
20 to 100
'/a
A-QPSK
2.8
1.5
1 .o
0.4
5.7
20
I o - ~
12
12
20 to 100
!4
A-QPSK
2.4
1.1
0.5
0.4
4.4
1. The intcrleaver loss is a function of channel rate, the example losses correspond to channel rates of 2.4 and 10.5 kbitsls for A-BPSK
and A-QPSK, respectively.
2. The adjacent channel interference loss is a function of channel spacing, the example losses correspond to channel rates of 2.4 and
10.5 kbitsls for A-BPSK and A-QPSK, respectively. The lasses should be no greater for the other channel rates because the channel
spacing. relative to the channel rate, will be larger.
3. The low data ratcs (A-BPSK) can also be used with high gain antennas with potentially less UN, required.
Annex 10 - Aemnuutical Teleconununications Volume IZZ
'Igble A-9. Channel spacings
Channel rate (kbitsts) Channel spacing (kHz) Modulation
213 17.5 AQPSK
10.5 10.0l7.5~ AQPSK
8.4 7.5 AQPSK
A-QPSK
AQPSK
AQPSK
A-BPSK
A-BPSK
A-BPSK
NOTES:
1. Channel spacing for 10.5 kbits/s-channels may be 10.0 or 7.5 kHz, according to the relative
availability of power and bandwidth in the operating satellite.
2. Channel spacing of 5.0 lcHz applies to the P channel and 2.5 kHz applies to the R and
T channel.
nble A-10. Q' @dva lues for computing earliest starting time
- - -
P Channel bit rate P Channel unit Queuing AES processing
bids delayts) delay (s) delay (s)
Tsble A-11. Minimum thmnghput values
(minimum achievable throughput on a subnetwork connection, bids, with 128-octet packets)
Minimum channel
rate in use
by AES (bitsls)
To-aircraft
Highest priority Lowest priority
service service
From-&aft
Highest priority Lowest priority
service service
A W h e n t A bo Part I Annex 10 - Aeronadcul Telecommunications
lhble A-12. Probability of delivering at least one
abbreviated acress request SU (per cent)
Conflicting traffic Conflicting M t c
Call priority (series length) comprising 1-SU bursts comprising 3-SU bursts
Distressluigency (4) 99.99
Plight safety (3) 99.7
Regularitylrneteorological (2) 97.5
'Igble A-13. Projected AMS(R)S subnetwork abbreviated call set-up delay performance, (seconds)
(R and P channels operating at 600 and 10 500 bitsls)
M YO0
No. 75
95 percwtfle
6 to 11
[@ 600 bitds]
3to7
[@ 10 500 bits/s]
14 to 23
[@ 600 bitds]
11 to 14
[Q 10 500 bitds]
10 to 17
[@ 600 bitds]
10
[@ 10 500 biWs]
AlROruGINmONs
GROUNDoRIGINmoNS
AMS(R)S subnetwork signalling transit delay
(Difference between the time at which an
air-originated call request (incoming FITE 18) is
received at the AES interworking interface and
the time at which the GES fornards the resultant
call indication (outgoing FITE 18) to the
terrestrial network.)
Call set-up delay
(Difference between the time at which an
air-originated call request (incoming FTTE 18) is
received at the AES interworking interface and
the time at which the C channel is ready for
spech).
Call &-up delay
(Difference between the time at which a
ground-originated call request (incoming FIT%
18) is received at the GES interworking interface
and the time at which the C channel is ready for
speech and the AES forwards the resultant call
indication (outgoing FTTE 18) to the AES
interworking interface.)
Average
4
[@ 600 biWs1
3
[@ 10 500 bids]
12to 14
[B 600 bitds]
10 to 11
[B 10 500 bitds]
9 to 11
[@ 800 bitdsl
9
[@ 10 500 bitslsl
Annex 10 - Aeronautical Telecommunicatfons
FIGURES FOR AmACIJMENT A
Volume ZZZ
-30
6 e.
8b 4
9
!!?
=Pe -50
2- .E- " -60 3
W m
r
-70 m
V)
V)
-80
10 100 1060 I0 000
Frequency offset from carrler (Hz)
Figure A-1. Phase aoise of L-band signals received by AES
Frequency o k t from Cartier (Hz)
(where X is 35 kHz or four times the symbol rate, whichever is less)
No. 71
Figure A-2. AES transmit phase noise mask
Attachment A to Part I Annex 10 - AervnauHeal Telecommunications
10
0
8 z
w -10
2
*08: -20 .a- Y"
-40
-50
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