Re: pccc encoder

GNU Radio
1

You are using the pccc decoder in an incorrect way.
Please see attached corrected grc file:
there are two ways to use the pccc decoder
(i) either as a combo or (ii) in conjuction with trellis metrics.
I have provided in your file both ways.

Regarding you second question about whether you can define your own FSM:
Of course you can! This is the whole idea of the FSM class!
Please read the extensive documentation on how to do that in:

/usr/local/share/doc/gnuradio-3.7.7git/html/gr-trellis.html

(or wherever you have your documentation installed),
and let us know if there is something you do not understand.

Achilleas

2

Hi.

I understand the use of the trellis metrics block for the calculation of
the
costs, but I dont understand the use of the constellation parameter, thats why I didnt use that block before, I though it only was used in the
cases
were modulation was made.

Thank you for correct my file.

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