Premier Mounts CDM-600 Sequential with concatenated RS 220,200 Outer Code 512 kbps

CDM-600 Satellite Modem Revision 7
Forward Error Correction Options MN/CDM600.IOM
7–18
Figure 7-6. Sequential with concatenated R-S Outer Code
1E-9
1E-8
1E-7
1E-6
1E-5
1E-4
1E-3
1E-2
1E-1
1 2 3 4 5 6 7 8 9 10 11 12
Eb/No in dB
Specification
Limit Rate 1/2
and 220,20 0
Outer Code
Uncoded BPSK/QPSK
1 2 3 4 5 6 7 8 9 10 11 1
2
BER
Sequential
with
concatenated
RS 220,200
Outer Code
512 kbps
Combi ned sync
threshold, de mod
and Sequentia l
Decoder , Rat e 1/ 2
Sync
thresho ld,
Rate 3/4
Specification
Limit Rate 3/4
and 220,200
Outer Code
Specification
Limit Rate 7/8
and 220,200
Outer Code
Sync
thresho ld,
Rate 7/8
Typical P erformanc e