subject:"\[Discuss\-gnuradio\] Punctured viterbi decoder\?"

Re: [Discuss-gnuradio] Punctured viterbi decoder?

2017-03-20 Thread Dan CaJacob

Try the gr-fec blocks - specifically the Extended En/Decoders. The CCSDS27 blocks are fine, but they're older and for a specific set of polys. On Mon, Mar 20, 2017 at 11:57 AM Ron Economos wrote: > In the "Error Coding" category of GNU Radio Companion, there are > Puncture

Re: [Discuss-gnuradio] Punctured viterbi decoder?

2017-03-20 Thread Ron Economos

In the "Error Coding" category of GNU Radio Companion, there are Puncture and Depuncture blocks. Here are some example parameters that work for DVB-S. 1/2 code rate = Puncture Size = 2, Puncture Pattern = 0b11 2/3 code rate = Puncture Size = 4, Puncture Pattern = 0b1101 3/4 code rate =

[Discuss-gnuradio] Punctured viterbi decoder?

2017-03-20 Thread Booth

Dear All, I've been playing with the CCSDS27 viterbi decoder block which supports 1/2 rate. However we also need punctured codes like 3/4, 5/6, 7/8. Which block should we use. Any recommendations? -- View this message in context: