Dear Manu, Do you have any performance numbers on your LDPC decoder? I could not find any info, even in your presentation. Do you have also a BER figure, or even better would be some technical report. I would love to get some sense on the performance of your implementation.
Best, Miklos On Tue, Nov 5, 2013 at 6:15 PM, Manu T S <manu.t.s...@gmail.com> wrote: > Dear Max, > > You are correct. It is a bug. Now I'm wondering why I didn't get any > segmentation faults. > > Probably I didn't get any segmentation faults because, after i = M - 1, EOF > has reached. > > Thanks for the correction. > > > On Tue, Nov 5, 2013 at 9:14 PM, ikjtel <ikj12...@yahoo.com> wrote: >> >> Greetings >> >> I was very interested in this project for possible application to the op25 >> project, since P25 uses several FEC codes >> including RS and other block codes. I've brought up the gr-ldpc library >> and have a few questions. Due to the hateful YAhoo mail composer, I'm >> hesitant to post lengthy emails to the general list with no opportunity for >> preview prior to hitting SEND, so I'll try breaking up the list of questions >> into several posts, one per question... >> >> First question: I was getting lots of errors, seg faults, aborts, and >> other misbehavior from the code, which were traced to an apparent bug in >> alist.cc, all of which cleared up when I applied the following patch: >> >> --- ../../repo/gr-ldpc/lib/alist.cc 2013-10-18 10:25:47.508781061 >> -0400 >> +++ ./alist.cc 2013-11-05 11:21:03.879972116 -0500 >> @@ -123,7 +123,7 @@ >> } >> >> // Parse indices with non zero entries in ith row >> - for (int row = 0; row < N; row++) { >> + for (int row = 0; row < M; row++) { >> std::getline(file, line); >> ss << line; >> for (int entry = 0; entry < num_mlist[row]; entry++) { >> >> Can you confirm, is this really a bug? >> >> Thanks and Best >> >> Max > > > > > -- > Manu T S > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio