[Discuss-gnuradio] Changing code rate (FEC)

Hi,

I would like to be able to change the code rate with PSK and QAM
modulations (e.g QPSK 3/4, 16QAM 1/2). I was thinking of using a FEC
encoder/decoder as you can see in the attached files but it doesn't
really work. I'm trying to send a video file and I would like to be able
to read the received video. What can I do to make it work or is there
another way to change the coding rate?

Thanks

Attachments:
http://www.ruby-forum.com/attachment/11055/fec1.jpg
http://www.ruby-forum.com/attachment/11056/fec2.jpg
http://www.ruby-forum.com/attachment/11057/fec3.jpg


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