ex-ham7a.out

用C语言编写的LDPC译码程序

+ make-pchk ham7a.pchk 3 7 0:0 0:3 0:4 0:5 1:1 1:3 1:4 1:6 2:2 2:4 2:5 2:6
+ make-gen ham7a.pchk ham7a.gen dense
Number of 1s per check in Inv(A) X B is 3.0
+ transmit 7x100000 ham7a.rec 1 awgn 0.5
Transmitted 700000 bits
+ decode ham7a.pchk ham7a.rec ham7a.dec-blk awgn 0.5 enum-block ham7a.gen
Decoded 100000 blocks of size 7, 100000 valid, in average of 16.0 iterations
+ verify ham7a.pchk ham7a.dec-blk ham7a.gen
Block counts: tot 100000, with chk errs 0, with src errs 186, both 0
Bit error rate (on message bits only): 7.950e-04
+ decode ham7a.pchk ham7a.rec ham7a.dec-bit awgn 0.5 enum-bit ham7a.gen
Decoded 100000 blocks of size 7, 99988 valid, in average of 16.0 iterations
+ verify ham7a.pchk ham7a.dec-bit ham7a.gen
Block counts: tot 100000, with chk errs 12, with src errs 186, both 7
Bit error rate (on message bits only): 7.775e-04
+ decode ham7a.pchk ham7a.rec ham7a.dec-prp awgn 0.5 prprp 200
Decoded 100000 blocks of size 7, 99927 valid, in average of 0.3 iterations
+ verify ham7a.pchk ham7a.dec-prp ham7a.gen
Block counts: tot 100000, with chk errs 73, with src errs 276, both 52
Bit error rate (on message bits only): 1.290e-03