make-ldpc ex-ldpcvar-5000a.pchk 5000 10000 2 evenboth 2x2/7x3/1x7 no4cycleEliminated 46 cycles of length four by moving checks within columnmake-gen  ex-ldpcvar-5000a.pchk ex-ldpcvar-5000a.gen denseNumber of 1s per check in Inv(A) X B is 1437.1rand-src  ex-ldpcvar-5000a.src 1 5000x100# NOISE STANDARD DEVIATION 0.80, Eb/N0 = 1.94 dBencode      ex-ldpcvar-5000a.pchk ex-ldpcvar-5000a.gen ex-ldpcvar-5000a.src - \ | transmit - - 1 awgn 0.80 \ | decode   ex-ldpcvar-5000a.pchk - - awgn 0.80 prprp 250 \ | verify   ex-ldpcvar-5000a.pchk - ex-ldpcvar-5000a.gen ex-ldpcvar-5000a.srcEncoded 100 blocks, source block size 5000, encoded block size 10000Transmitted 1000000 bitsDecoded 100 blocks, 100 valid.  Average 11.3 iterations, 11% bit changesBlock counts: tot 100, with chk errs 0, with src errs 0, both 0Bit error rate (on message bits only): 0.000e+00# NOISE STANDARD DEVIATION 0.85, Eb/N0 = 1.41 dBencode      ex-ldpcvar-5000a.pchk ex-ldpcvar-5000a.gen ex-ldpcvar-5000a.src - \ | transmit - - 1 awgn 0.85 \ | decode   ex-ldpcvar-5000a.pchk - - awgn 0.85 prprp 250 \ | verify   ex-ldpcvar-5000a.pchk - ex-ldpcvar-5000a.gen ex-ldpcvar-5000a.srcEncoded 100 blocks, source block size 5000, encoded block size 10000Transmitted 1000000 bitsDecoded 100 blocks, 100 valid.  Average 18.0 iterations, 12% bit changesBlock counts: tot 100, with chk errs 0, with src errs 0, both 0Bit error rate (on message bits only): 0.000e+00# NOISE STANDARD DEVIATION 0.90, Eb/N0 = 0.92 dBencode      ex-ldpcvar-5000a.pchk ex-ldpcvar-5000a.gen ex-ldpcvar-5000a.src - \ | transmit - - 1 awgn 0.90 \ | decode   ex-ldpcvar-5000a.pchk - - awgn 0.90 prprp 250 \ | verify   ex-ldpcvar-5000a.pchk - ex-ldpcvar-5000a.gen ex-ldpcvar-5000a.srcEncoded 100 blocks, source block size 5000, encoded block size 10000Transmitted 1000000 bitsDecoded 100 blocks, 65 valid.  Average 119.8 iterations, 12% bit changesBlock counts: tot 100, with chk errs 35, with src errs 35, both 35Bit error rate (on message bits only): 2.438e-02# NOISE STANDARD DEVIATION 0.95, Eb/N0 = 0.45 dBencode      ex-ldpcvar-5000a.pchk ex-ldpcvar-5000a.gen ex-ldpcvar-5000a.src - \ | transmit - - 1 awgn 0.95 \ | decode   ex-ldpcvar-5000a.pchk - - awgn 0.95 prprp 250 \ | verify   ex-ldpcvar-5000a.pchk - ex-ldpcvar-5000a.gen ex-ldpcvar-5000a.srcEncoded 100 blocks, source block size 5000, encoded block size 10000Transmitted 1000000 bitsDecoded 100 blocks, 0 valid.  Average 250.0 iterations, 9% bit changesBlock counts: tot 100, with chk errs 100, with src errs 100, both 100Bit error rate (on message bits only): 1.017e-01