User's Manual

NewsCaster VT2 Operation
M17-0002-01A Rev 0.0 56 User Manual
Table 14: COFDM Data Rates (8 MHz Bandwidth)
Modulation
Code
Rate
Guard Interval
System 1/32 1/16 1/8 1/4
IF = 9.142857 MHz Flo = 60.857143 MHz
BW = 8 MHz
Clk=36.571429
Mbit/s
Data Rate (Mbit/s)
1/2 6.032086 5.854671 5.529412 4.976471
2/3 8.042781 7.806228 7.372549 6.635294
QPSK
3/4 9.048128 8.782007 8.294118 7.464706
5/6 10.053476 9.757785 9.215686 8.294118
7/8 10.55615 10.245675 9.676471 8.708824
1/2 12.064172 11.709342 11.058824 9.952942
2/3 16.085562 15.612456 14.745098 13.270588
16-QAM
3/4 18.096256 17.564014 16.588236 14.929412
5/6 20.106952 19.51557 18.431372 16.588236
7/8 21.1123 20.49135 19.352942 17.417648
1/2 18.096258 17.564013 16.588236 14.929413
2/3 24.128343 23.418684 22.117647 19.905882
64-QAM
3/4 27.144384 26.346021 24.882354 22.394118
5/6 30.160428 29.273355 27.647058 24.882354
7/8 31.66845 30.737025 29.029413 26.126472
Table 15: COFDM Data Rates (7 MHz Bandwidth)
Modulation
Code
Rate
Guard Interval
System 1/32 1/16 1/8 1/4
IF = 7.999999875 MHz Flo = 62.000000125 MHz
BW = 7 MHz
Clk=32.0000 Mbit/s
Data Rate (Mbit/s)
1/2 5.27807525 5.12283713 4.8382355 4.35441213
2/3 7.037433375 6.8304495 6.45098038 5.80588225
QPSK
3/4 7.917112 7.68425613 7.25735325 6.53161775
5/6 8.7967915 8.53806188 8.06372525 7.25735325
7/8 9.23663125 8.96496563 8.46691213 7.620221
1/2 10.5561505 10.2456743 9.676471 8.70882425
2/3 14.07486675 13.660899 12.9019608 11.6117645
16-QAM
3/4 15.834224 15.3685123 14.5147065 13.0632355
5/6 17.593583 17.0761238 16.1274505 14.5147065
7/8 18.4732625 17.9299313 16.9338243 15.240442
1/2 15.83422575 15.3685114 14.5147065 13.0632364
2/3 21.11230013 20.4913485 19.3529411 17.4176468
64-QAM
3/4 23.751336 23.0527684 21.7720598 19.5948533
5/6 26.3903745 25.6141856 24.1911758 21.7720598
7/8 27.70989375 26.8948969 25.4007364 22.860663