mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-01 08:07:10 -04:00
5ac886855d
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6437 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
55 lines
2.5 KiB
Plaintext
Executable File
55 lines
2.5 KiB
Plaintext
Executable File
|
|
make-ldpc ex-ldpc36-5000a.pchk 5000 10000 2 evenboth 3 no4cycle
|
|
Eliminated 25 cycles of length four by moving checks within column
|
|
make-gen ex-ldpc36-5000a.pchk ex-ldpc36-5000a.gen dense
|
|
Number of 1s per check in Inv(A) X B is 2068.3
|
|
rand-src ex-ldpc36-5000a.src 1 5000x100
|
|
|
|
# NOISE STANDARD DEVIATION 0.80, Eb/N0 = 1.94 dB
|
|
|
|
encode ex-ldpc36-5000a.pchk ex-ldpc36-5000a.gen ex-ldpc36-5000a.src - \
|
|
| transmit - - 1 awgn 0.80 \
|
|
| decode ex-ldpc36-5000a.pchk - - awgn 0.80 prprp 250 \
|
|
| verify ex-ldpc36-5000a.pchk - ex-ldpc36-5000a.gen ex-ldpc36-5000a.src
|
|
Encoded 100 blocks, source block size 5000, encoded block size 10000
|
|
Transmitted 1000000 bits
|
|
Decoded 100 blocks, 100 valid. Average 11.1 iterations, 11% bit changes
|
|
Block counts: tot 100, with chk errs 0, with src errs 0, both 0
|
|
Bit error rate (on message bits only): 0.000e+00
|
|
|
|
# NOISE STANDARD DEVIATION 0.85, Eb/N0 = 1.41 dB
|
|
|
|
encode ex-ldpc36-5000a.pchk ex-ldpc36-5000a.gen ex-ldpc36-5000a.src - \
|
|
| transmit - - 1 awgn 0.85 \
|
|
| decode ex-ldpc36-5000a.pchk - - awgn 0.85 prprp 250 \
|
|
| verify ex-ldpc36-5000a.pchk - ex-ldpc36-5000a.gen ex-ldpc36-5000a.src
|
|
Encoded 100 blocks, source block size 5000, encoded block size 10000
|
|
Transmitted 1000000 bits
|
|
Decoded 100 blocks, 95 valid. Average 33.7 iterations, 12% bit changes
|
|
Block counts: tot 100, with chk errs 5, with src errs 5, both 5
|
|
Bit error rate (on message bits only): 2.706e-03
|
|
|
|
# NOISE STANDARD DEVIATION 0.90, Eb/N0 = 0.92 dB
|
|
|
|
encode ex-ldpc36-5000a.pchk ex-ldpc36-5000a.gen ex-ldpc36-5000a.src - \
|
|
| transmit - - 1 awgn 0.90 \
|
|
| decode ex-ldpc36-5000a.pchk - - awgn 0.90 prprp 250 \
|
|
| verify ex-ldpc36-5000a.pchk - ex-ldpc36-5000a.gen ex-ldpc36-5000a.src
|
|
Encoded 100 blocks, source block size 5000, encoded block size 10000
|
|
Transmitted 1000000 bits
|
|
Decoded 100 blocks, 2 valid. Average 246.2 iterations, 10% bit changes
|
|
Block counts: tot 100, with chk errs 98, with src errs 98, both 98
|
|
Bit error rate (on message bits only): 7.650e-02
|
|
|
|
# NOISE STANDARD DEVIATION 0.95, Eb/N0 = 0.45 dB
|
|
|
|
encode ex-ldpc36-5000a.pchk ex-ldpc36-5000a.gen ex-ldpc36-5000a.src - \
|
|
| transmit - - 1 awgn 0.95 \
|
|
| decode ex-ldpc36-5000a.pchk - - awgn 0.95 prprp 250 \
|
|
| verify ex-ldpc36-5000a.pchk - ex-ldpc36-5000a.gen ex-ldpc36-5000a.src
|
|
Encoded 100 blocks, source block size 5000, encoded block size 10000
|
|
Transmitted 1000000 bits
|
|
Decoded 100 blocks, 0 valid. Average 250.0 iterations, 9% bit changes
|
|
Block counts: tot 100, with chk errs 100, with src errs 100, both 100
|
|
Bit error rate (on message bits only): 1.092e-01
|