Figure 7-7. 8-Psk/Tcm Rate 2/3 With And Without Concatenated R-S Outer Code - Comtech EF Data CDM-600L Installation And Operation Manual

CDM-600L Satellite Modem
Forward Error Correction Options
1
1E-1
1E-2
Perf ormance with CDM-600
Firmware Version 1.1.5
1E-3
1E-4
1E-5
1E-6
1E-7
1E-8
1E-9
1
BER

Figure 7-7. 8-PSK/TCM Rate 2/3 with and without concatenated R-S Outer Code

2 3 4
Uncoded BPSK/QPSK
(or higher)
Typical
Performance
Specification limit
Rate 2/3 Coding and
219, 201 RS Outer Code
2 3 4
5 6 7
8-PSK/TCM Rate 2/3
Decoding, with and
without 219, 201 RS
Specification
limit, Rate 2/3
Coding
5 6 7
7–17
MN/CDM600L.IOM
Eb/No in dB
8 9 10 11
Outer Code
8 9 10 11
Revision 0
12
12