Comtech EF Data cdm-570a - Table B-6. Versafec-2 Modcod Set - Long Block

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
FEC (Forward Error Correction) Options B–11 MN-CDM570A
Table B-6. VersaFEC-2 ModCod Set – Long Block
ModCod Mod
Code
Rate
Spectral
Efficiency
(bps/Hz)
Block
Size
(bits)
Typical *
Es/No
(SNR), for
BER = 1 x 10
-8
(dB)
Latency
(@ X
Kbps/Mbps
(ms))
Min.
Data Rate,
CCM Mode
(kbps)
Max.
Data Rate,
CCM Mode
(Mbps)
Min Sym
Rate, ACM
Mode
(ksps)
Max Sym
Rate, ACM
Mode
(Msps)
00
BPSK
0.489599
0.489
4800
-1.3
79 @ 128 kbps
18.1
1.469
37
3.0
01
QPSK
0.489599
0.977
9600
1.5
153 @ 128 kbps
36.2
2.938
37
3.0
02
QPSK
0.537459
1.075
10560
2.0
170 @ 128 kbps
39.8
3.225
37
3.0
03
QPSK
0.586319
1.173
11520
2.6
185 @ 128 kbps
43.4
3.518
37
3.0
04
QPSK
0.610749
1.221
12000
2.8
193 @ 128 kbps
45.2
3.664
37
3.0
05
QPSK
0.635179
1.270
12480
3.2
200 @ 128 kbps
47.0
3.811
37
3.0
06
QPSK
0.659609
1.319
12960
3.5
208 @ 128 kbps
48.8
3.958
37
3.0
07
QPSK
0.684039
1.368
13440
3.7
215 @ 128 kbps
50.6
4.104
37
3.0
08
QPSK
0.732899
1.466
14400
4.4
231 @ 128 kbps
54.2
4.397
37
3.0
09
8-ARY
0.521173
1.564
15360
5.1
246 @ 128 kbps
93.8
4.691
60
3.0
10
8-ARY
0.537459
1.612
15840
5.4
254 @ 128 kbps
96.7
4.837
60
3.0
11
8-ARY
0.561889
1.686
16560
5.6
265 @ 128 kbps
101.1
5.057
60
3.0
12
8-ARY
0.586319
1.759
17280
5.8
276 @ 128 kbps
105.5
5.277
60
3.0
13
8-ARY
0.610749
1.832
18000
6.0
287 @ 128 kbps
109.9
5.497
60
3.0
14
8-ARY
0.635179
1.906
18720
6.2
299 @ 128 kbps
114.3
5.717
60
3.0
15
8-ARY
0.659609
1.979
19440
6.5
311 @ 128 kbps
118.7
5.936
60
3.0
16
8-ARY
0.684039
2.052
20160
6.9
322 @ 128 kbps
123.1
6.156
60
3.0
17
8-ARY
0.708469
2.125
20880
7.2
333 @ 128 kbps
127.5
6.376
60
3.0
18
8-ARY
0.732899
2.199
21600
7.5
173 @ 256 kbps
131.9
6.596
60
3.0
19
16-ARY
0.586319
2.345
23040
8.1
184 @ 256 kbps
234.5
7.036
100
3.0
20
16-ARY
0.610749
2.443
24000
8.6
192 @ 256 kbps
244.3
7.329
100
3.0
21
16-ARY
0.635179
2.541
24960
8.9
199 @ 256 kbps
254.1
7.622
100
3.0
22
16-ARY
0.659609
2.638
25920
9.2
104 @ 512 kbps
263.8
7.915
100
3.0
23
16-ARY
0.684039
2.736
26880
9.6
108 @ 512 kbps
273.6
8.208
100
3.0
24
16-ARY
0.708469
2.834
27840
10.0
111@ 512 kbps
283.4
8.502
100
3.0
25
16-ARY
0.732899
2.932
28800
10.5
115 @ 512 kbps
293.2
8.795
100
3.0
26
16-ARY
0.757329
3.029
29760
10.9
119 @ 512 kbps
302.9
9.088
100
3.0
27
16-ARY
0.781759
3.127
30720
11.4
123 @ 512 kbps
312.7
9.381
100
3.0
28
32-ARY
0.659609
3.298
32400
12.0
65 @ 1 Mbps
824.5
9.894
250
3.0
29
32-ARY
0.684039
3.420
33600
12.5
67 @ 1 Mbps
855.0
10.239
250
3.0
30
32-ARY
0.708469
3.542
34800
12.9
70 @ 1 Mbps
885.6
10.239
250
2.9
31
32-ARY
0.732899
3.664
36000
13.3
72 @ 1 Mbps
916.1
10.239
250
2.8
32
32-ARY
0.757329
3.787
37200
13.7
74 @ 1 Mbps
946.7
10.239
250
2.7
33
32-ARY
0.781759
3.909
38400
14.2
77 @ 2 Mbps
977.2
10.239
250
2.6
34
32-ARY
0.801303
4.007
39360
14.7
39 @ 2 Mbps
1001.6
10.239
250
2.6
35
32-ARY
0.830619
4.153
40800
15.2
41 @ 2 Mbps
1038.3
10.239
250
2.5
36
32-ARY
0.855049
4.275
42000
16.0
42 @ 2 Mbps
1068.8
10.239
250
2.4
37
32-ARY
0.879479
4.397
43200
16.7
43 @ 2 Mbps
1099.3
10.239
250
2.3