Table B-6. Versafec-2 Modcod Set - Long Block - Comtech EF Data CDM-570A Installation And Operation Manual

Code
ModCod Mod
Rate
00 BPSK 0.489599
01 QPSK 0.489599
02 QPSK 0.537459
03 QPSK 0.586319
04 QPSK 0.610749
05 QPSK 0.635179
06 QPSK 0.659609
07 QPSK 0.684039
08 QPSK 0.732899
09 8-ARY 0.521173
10 8-ARY 0.537459
11 8-ARY 0.561889
12 8-ARY 0.586319
13 8-ARY 0.610749
14 8-ARY 0.635179
15 8-ARY 0.659609
16 8-ARY 0.684039
17 8-ARY 0.708469
18 8-ARY 0.732899
19 16-ARY 0.586319
20 16-ARY 0.610749
21 16-ARY 0.635179
22 16-ARY 0.659609
23 16-ARY 0.684039
24 16-ARY 0.708469
25 16-ARY 0.732899
26 16-ARY 0.757329
27 16-ARY 0.781759
28 32-ARY 0.659609
29 32-ARY 0.684039
30 32-ARY 0.708469
31 32-ARY 0.732899
32 32-ARY 0.757329
33 32-ARY 0.781759
34 32-ARY 0.801303
35 32-ARY 0.830619
36 32-ARY 0.855049
37 32-ARY 0.879479
FEC (Forward Error Correction) Options
CDM-570A/570AL Satellite Modem with Optional Packet Processor
Table B-6. VersaFEC-2 ModCod Set – Long Block
Typical *
Es/No
Spectral Block
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
Min.
Latency
(@ X
Data Rate,
Kbps/Mbps
CCM Mode
-8
(ms))
(kbps)
79 @ 128 kbps 18.1
153 @ 128 kbps 36.2
170 @ 128 kbps 39.8
185 @ 128 kbps 43.4
193 @ 128 kbps 45.2
200 @ 128 kbps 47.0
208 @ 128 kbps 48.8
215 @ 128 kbps 50.6
231 @ 128 kbps 54.2
246 @ 128 kbps 93.8
254 @ 128 kbps 96.7
265 @ 128 kbps 101.1
276 @ 128 kbps 105.5
287 @ 128 kbps 109.9
299 @ 128 kbps 114.3
311 @ 128 kbps 118.7
322 @ 128 kbps 123.1
333 @ 128 kbps 127.5
173 @ 256 kbps 131.9
184 @ 256 kbps 234.5
192 @ 256 kbps 244.3
199 @ 256 kbps 254.1
104 @ 512 kbps 263.8
108 @ 512 kbps 273.6
111@ 512 kbps 283.4
115 @ 512 kbps 293.2
119 @ 512 kbps 302.9
123 @ 512 kbps 312.7
65 @ 1 Mbps 824.5
67 @ 1 Mbps 855.0
70 @ 1 Mbps 885.6
72 @ 1 Mbps 916.1
74 @ 1 Mbps 946.7
77 @ 2 Mbps 977.2
39 @ 2 Mbps 1001.6
41 @ 2 Mbps 1038.3
42 @ 2 Mbps 1068.8
43 @ 2 Mbps 1099.3
B–11
Revision 5
Max.
Min Sym Max Sym
Data Rate, Rate, ACM Rate, ACM
Mode Mode
CCM Mode
(ksps) (Msps)
(Mbps)
1.469 37 3.0
2.938 37 3.0
3.225 37 3.0
3.518 37 3.0
3.664 37 3.0
3.811 37 3.0
3.958 37 3.0
4.104 37 3.0
4.397 37 3.0
4.691 60 3.0
4.837 60 3.0
5.057 60 3.0
5.277 60 3.0
5.497 60 3.0
5.717 60 3.0
5.936 60 3.0
6.156 60 3.0
6.376 60 3.0
6.596 60 3.0
7.036 100 3.0
7.329 100 3.0
7.622 100 3.0
7.915 100 3.0
8.208 100 3.0
8.502 100 3.0
8.795 100 3.0
9.088 100 3.0
9.381 100 3.0
9.894 250 3.0
10.239 250 3.0
10.239 250 2.9
10.239 250 2.8
10.239 250 2.7
10.239 250 2.6
10.239 250 2.6
10.239 250 2.5
10.239 250 2.4
10.239 250 2.3
MN-CDM570A