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时间:2010-07-20 23:38来源:蓝天飞行翻译 作者:admin
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associated with each LIDU parameter shall indicate the LIDU(s) containing the parameter.
Table 4-45. GES management - link interface data units (LIDUS)
loo
Part 1 Annex 10 - Aeronautical T&communica$ions
I LIDU name I LJDU parameters* 1
To link layer
1. Log-on confirm I
2. Log-on acknowledgement ( Message type (all)
3. Log-off acknowledgement
4. Log-on reject
5. Log-on interrogation
6. Log-on prompt
7. P/R channel control
8. T channel control
9. AES system table broadcast
a) index
b) GES P/R channel advice
c) satellite ID channel advice
d) beam ID channel advice
e) GES beam support advice
10. System time broadcast
11. Selective release broadcast
12. Log control-data channel
reassignment
12a. Channel status report
12b. Log-off request
From link layer
13. Log-on request
14. Logoff request
15. Log-on acknowledgement
AES ID (all)
GES ID (all)
Q Number of application (13)
Satellite ID (1, 9c, 9d, 13)
Initial EIRP (1)
BER (18)
TDMA message (1)
P/R message (1)
Voice channel characteristics (1, 13)
Bit rate (7, 8, 9d)
Reason (4)
P, R channel freqencies (7, 9b)
T channel frequency (8)
Number of frequencies (7, 8)
Beam D s (1, 9c, 9d, 13)
Revision number (9a, b, c, d, e)
Satellite inclination (9c)
EIRP adjustment (1 2a)
Satellite right ascension (9c)
Satellite longitude (9c)
Satelliteheam-ID. frequency (9c)
Century, year, month, day, hour. minute, second (10)
ACKNAK MSGI, MSG2, MSG3 (2, 3, 15)
Number of C channels (13)
Initialtrenew (1 3)
Primarylsecondary (1 3)
Duration ( 12b)
SC (SAWS compliance) (13)
NOT ( 13)
Beam-ID P channel frequency (9c)
Beam support table (9e)
Report type (12a, 18)
Application reference number (12a, 18)
Class of AES (1 3)
LOV (13)
Transmit channel frequency (1 1)
Existence (9a)
16. Log control-ready for reassignment
17. Log control-reassignment reject I
18. Channel status repon I
* The order of the LlDU PARAMETER list does not correspond to the order of the LIDU NAME list. The
number in paiedthees after each LIDU parameter indicates the LIDU name to which the parameter applies.
Annex 10 - Aeronautical Tele~ommunications
FIGURES FOR CHAPTER 4
Volume ZZZ
TIMING REFERENCE
- . TrE
SUPERFR.
--
. d
MARKER
4 4 4 IN FOR MA^ B pIn lNFOflM4TION FIELD 1
C O N V O L ~ ~ ~
EmRLEAVER SIZE ENCODE
INFORMATION FlELD
SCRAMBLE ? ! I
Figure 4-1. P channel format (0.6, 1.2 and 2.4 kbiWs)
\
/
TMNG REFERENCE
Tfm 'I I
SWRCE
16 bits for 4.8 kbitsls; 178 for 10.5 kbitds
€4 4 1 MERLEAVER BLOCK
W D A R Y
4 4 4
C O N Y O L W Y
E W E t,
Figure 4-2. P channel format (4.8 and 10.5 kbitds)
SIGNAL
UNIT
SIGNAL
UNIT
SK3NAL
UNtT
I
WRM4TlON REU)
1
wFR(]M
* 1
SlWCll S t w l
SOURCE
6
SlCiNAL
UNrr
2
UFlrr
1 Y" 1
Part I Annex 10 - Aeronautical Telecommunications
SCRAMBLER
INI'TIAL STATE REPRESENTED
1 FEC ENCODER
ID" ' ata %
Flush bits
(as per channel
delinition)
G2 (171 octal)
Selector
Rate
Figure 4-3. Scrambler and convolutional encoder functions
l NTERLEAVER k 3- 95 C OLUMNS DEPENDING ON CHANNEL RATE AND TYPE ---4
FUNCTIONS p C1 , C2, , Ck I I I
ROWS = 64 I I I
I TRANSMIT INTERLEAVER PROCESS
1. Intarleaver rows are danoled Ri
where i indicates Iha ith row
Data are wiinen inlo columns wlh the earliest Rows are permuted amding lo the formula Symbols are read ovl by row. The leftmost bit of RO
symbol m lop position ol litst data column, latest lirst and the iihlmosl bid ol R63 last.
symbol in bottom posilion of righlmost column. Aj = (Ai ' 27) mod 64
4-4. Interleaver functions
Annex 10 - Aeronautical Telecommunicdons Volume Ill
Y "
Unique Format Fmme Seccnd Tllrd Frame
rd, ~= 0 e r breqludir(e ads) brslcgdlrlr e(ade) "iy FFco =rn 1t er
J.
800 bps P-channel frane no. 0 Pchavlel f m e no. I 1 P&ad f m e no. 2 I P 4 w d fm no. 3
--
P* P m n e l Pdmnel Pchirvlel P r n P m P m P&ulnd
bps frme no. 0 fr8ne no. I f r m no. 2 frame no. 3 frm0 na. 4 frane no. 5 frame no 6 bane no. 7
P h P-ch P.eh P h Pch P-ch P-ch Pch Pch P-ch P-ch Pch P-ch Pch Pch Pch Onerbn tram frane f m e frane t m e frme frme frme h em e fr me h efr ene wane frane lrmne
no. 0 na I no.2 no 3 no. 4 no.5 no.6 no. 7 no. 8 no. 8 no. tO no 11 no. 12 no. f3 no. f4 no. 15
 
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