Comtech EF Data CDM-710 Installation And Operation Manual page 287

CDM-710/L Broadcast Satellite Modem
Appendix A
Table A-2. DVB-S2 Standard
(QPSK 1/4, 1/3, and 2/5 are for provided for reference purposes)
Inner **Es/No at
Type FEC PER =
-7
Code 10
1/4 -1.85
1/3 -0.74
2/5 0.20
1/2 1.50
3/5 2.73
QPSK 2/3 3.60
3/4 4.53
4/5 5.18
5/6 5.68
8/9 6.70
9/10 6.92
3/5 6.20
2/3 7.32
3/4 8.61
8PSK
5/6 10.15
8/9 11.49
9/10 11.78
2/3 9.97
3/4 11.21
4/5 12.03
16APSK
5/6 12.61
8/9 13.89
9/10 14.13
3/4 13.73
4/5 14.64
32APSK 5/6 15.28
8/9 16.69
9/10 17.05
* Taken at the -10 dB points on the plot of power spectral density, the occupied bandwidth is 1.19 x Symbol Rate
for 35%, and 1.15 x Symbol Rate for 25%.
** Includes implementation loss.
FECFrame = 64, 800 bits
* Occupied
Spectral Normalized
BW for
Efficiency Symbol Rate
10 Mbps
(bps/Hz) (= Bit Rate x)
(25% Rolloff)
Pilots Off
0.490243 2.040 23.458
0.656448 1.523 17.519
0.789412 1.267 14.568
0.988858 1.011 11.630
1.188304 0.842
1.322253 0.756
1.487473 0.672
1.587196 0.630
1.654663 0.604
1.766451 0.566
1.788612 0.559
1.779991 0.562
1.980636 0.505
2.228124 0.449
2.478562 0.403
2.646012 0.378
2.679207 0.373
2.637201 0.379
2.966728 0.337
3.165623 0.316
3.300184 0.303
3.523143 0.284
3.567342 0.280
3.703295 0.270
3.951571 0.253
4.119540 0.243
4.397854 0.227
4.453027 0.225
A–5
Spectral Normalized
Efficiency Symbol Rate
(bps/Hz) (= Bit Rate x)
Pilots On
0.478577 2.090
0.640827 1.560
0.770627 1.298
0.965327 1.036
9.678 1.160026 0.862
8.697 1.290788 0.775
7.731 1.452076 0.689
7.245 1.549426 0.645
6.950 1.615288 0.619
6.510 1.724416 0.580
6.430 1.746049 0.573
6.461 1.739569 0.575
5.806 1.935658 0.517
5.161 2.177525 0.459
4.640 2.422276 0.413
4.346 2.585924 0.387
4.292 2.618365 0.382
4.361 2.574613 0.388
3.876 2.896320 0.345
3.633 3.090495 0.324
3.485 3.221863 0.310
3.264 3.439530 0.291
3.224 3.482680 0.287
3.105 3.623332 0.276
2.910 3.866247 0.259
2.792 4.030589 0.248
2.615 4.302894 0.232
2.583 4.356875 0.230
MN/CDM710.IOM
Revision 12
* Occupied
BW for
10 Mbps
(25% Rolloff)
24.030
17.946
14.923
11.913
9.914
8.909
7.920
7.422
7.119
6.669
6.586
6.611
5.941
5.281
4.748
4.447
4.392
4.467
3.971
3.721
3.569
3.343
3.302
3.174
2.974
2.853
2.673
2.640