Paradise Datacom P300 Series Installation & Operating Handbook page 26

BER Performance
Viterbi
(all rates)
Sequential
(64kbps)
Sequential
(2048kbps)
Turbo (TPC, QPSK)
(all rates)
8PSK Turbo (TPC)
8PSK/TCM
(all rates)
8PSK/TCM + Reed-
Solomon (all rates)
BER performance with
concatenated RS
P300H P300 Series Modem Installation and Operating Handbook
In all cases met in the presence of two adjacent carriers each 10dB
higher than the desired carrier, with V.35 scrambling
These figures meet or exceed the relevant IESS performance
specifications.
Rate 1/
-4
1 x 10
-8
1 x 10
-4
1 x 10
-8
1 x 10
-4
1 x 10
-8
1 x 10
-4
1 x 10
-8
1 x 10
-4
1 x 10
-8
1 x 10
-3
1 x 10
-8
1 x 10
-4
1 x 10
-10
1 x 10
BER improvement depends on n and k values chosen, but a typical
increase in coding gain of 3dB is possible over basic Viterbi mode.
Rate Rate
4.7dB 6.1dB 7.1dB
7.2dB 8.8dB 9.5dB
4.3dB 5.4dB 6.4dB
6.4dB 7.3dB 8.6dB
5.6dB 6.1dB 6.9dB
7.5dB 8.1dB 8.4dB
2.2dB 2.7dB 3.5dB
2.8dB 3.6dB 3.8dB
5.2dB 6.4dB
6.4dB 6.8dB
Rate
6.3dB
10.4dB
6.1dB
7.3dB
Page 26