Thanks Marcus and Martin. I finally increased the sample rate up to 1
Msps and decreased the amplitude multiplier. Now I can see a clear ofdm
spectrum with no distortion at all.
Did some of you tried file transmission from one end to the other? I did
it for GMSK before. Now when it comes ofdm and I open the receiving file
while transmitting there is no printed information in the received file.
In that configuration I replaced the random source by a file source and
a file sink after constellation decoder.
Again thanks for your help. It was so useful
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