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Viterbi decoding – Comtech EF Data CDM-570A User Manual

Page 440

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CDM-570A/570AL Satellite Modem with Optional Packet Processor

MN-CDM570A

Appendix B

Revision 2

B–12

Figure B-2. Viterbi Decoding

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

Coding

Uncoded BPSK/QPSK

Typical

Performance

Specification

limit, Rate 3/4

Coding

1 2 3 4 5 6 7 8 9 10 11 12

Specification

limit, Rate 7/8

Coding

BER

Viterbi

Decoding

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