On 03/20/2014 05:14 PM, Jonathan Fox wrote: > So I found the loopback script, tied the ends together with a multiply > const block and was successful in modding and demodding that sinusoidal > waveform. Added a UHD source and sink, success again. Then I split the > process into two separate GRC files, a TX and a RX script. Everything > works. I am extremely happy right now to see OFDM work. Thank you for > the nudge in the right direction. > > So the next question I have is why I have success with the hierarchal > blocks in the loopback script but not so much with rx_ofdm or that > custom loopback I posted? Even with a binary file source with the > modulated signal, that rx script won't work. I wouldn't say too terribly > important but it is interesting to learn how OFDM works. But for what I > am working on, those hierarchical blocks will suffice.
Well, it's hard to say from a distance, but you could check the output on the header path after the header/payload demuxer to see what's going on. M _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
