Comtech EF Data CDM-425 Installation And Operation Manual page 697

Code
ModCod Modulation
Rate
00 BPSK 0.489
01 QPSK 0.489
02 QPSK 0.537
03 QPSK 0.586
04 QPSK 0.611
05 QPSK 0.635
06 QPSK 0.660
07 QPSK 0.684
08 QPSK 0.733
09 8-ARY 0.521
10 8-ARY 0.537
11 8-ARY 0.562
12 8-ARY 0.586
13 8-ARY 0.611
14 8-ARY 0.635
15 8-ARY 0.660
16 8-ARY 0.684
17 8-ARY 0.708
18 8-ARY 0.733
19 16-ARY 0.586
20 16-ARY 0.611
21 16-ARY 0.635
22 16-ARY 0.660
23 16-ARY 0.684
24 16-ARY 0.708
25 16-ARY 0.733
26 16-ARY 0.757
27 16-ARY 0.782
28 32-ARY 0.660
29 32-ARY 0.684
30 32-ARY 0.708
31 32-ARY 0.733
32 32-ARY 0.757
33 32-ARY 0.782
34 32-ARY 0.801
35 32-ARY 0.831
36 32-ARY 0.855
37 32-ARY 0.879
Appendix K
Table K-3. The VersaFEC-2 ModCod Set – Long Block
Typical *
Spectral Block Es/No
efficiency, size, (SNR), for
bps/Hz bits BER = 1 x 10
(dB)
0.489 4800 -1.3
0.977 9600 1.5
1.075 10560 2.0
1.173 11520 2.6
1.221 12000 2.8
1.270 12480 3.2
1.319 12960 3.5
1.368 13440 3.7
1.466 14400 4.4
1.564 15360 5.1
1.612 15840 5.4
1.686 16560 5.6
1.759 17280 5.8
1.832 18000 6.0
1.906 18720 6.2
1.979 19440 6.5
2.052 20160 6.9
2.125 20880 7.2
2.199 21600 7.5
2.345 23040 8.1
2.443 24000 8.6
2.541 24960 8.9
2.638 25920 9.2
2.736 26880 9.6
2.834 27840 10.0
2.932 28800 10.5
3.029 29760 10.9
3.127 30720 11.4
3.298 32400 12.0
3.420 33600 12.5
3.542 34800 12.9
3.664 36000 13.3
3.787 37200 13.7
3.909 38400 14.2
4.007 39360 14.7
4.153 40800 15.2
4.275 42000 16.0
4.397 43200 16.7
CDM-425 Advanced Satellite Modem
Latency Min.
at Data Rate,
128 kbps CCM Mode
-8
(ms) (kbps)
79 18.0
153 18.0
170 19.3
185 21.1
193 22.0
200 22.9
208 23.7
215 24.6
231 26.4
246 28.1
254 29.0
265 30.3
276 31.7
287 33.0
299 34.3
311 35.6
322 36.9
333 38.3
345 39.6
368 42.2
383 44.0
398 45.7
413 47.5
429 49.3
444 51.0
459 52.8
474 54.5
489 56.3
517 59.4
535 61.6
554 63.8
573 66.0
592 68.2
610 70.4
625 72.1
648 74.8
667 77.0
685 79.2
K–17
Revision 0
Max. Min Sym Max Sym
Data Rate, Rate, ACM Rate, ACM
CCM Mode Mode Mode
(Mbps) (ksps) (Msps)
6.1 37
12.2 37
13.4 37
14.7 37
15.3 37
15.9 37
16.5 37
17.1 37
18.3 37
19.5 37
20.2 37
21.1 37
22.0 37
22.9 37
23.8 37
24.7 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
25.0 37
MN-CDM-425
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.5
12.2
11.8
11.4
10.7
10.2
9.8
9.5
9.1
8.8
8.5
8.3
8.0
7.6
7.3
7.1
6.8
6.6
6.4
6.2
6.0
5.8
5.7