Typically, you'd do 1 (I)FFT per OFDM symbol. I recommend having a look at the tx_ofdm.grc and rx_ofdm.grc examples, which show a full flow graph.
M On 01/03/2016 01:22 PM, Aditya Virmani wrote: > Hello everyone > > Iam trying to do run-time FFT over multiple OFDM symbols. > For this, I feed in the same sequence of bytes for each OFDM symbol. > As per my understanding, as I am feeding in the same sequence of bytes, > it should be generating same set of symbols, and then further if we do > FFT over multiple symbols which are same, we should get a sequence of > peak-and-zeros, instead of continuous FFT graph. > This works fine if I do just with two symbols (screenshot of that > attached), but when I feed in more than two, it results in error ( I > think that the data doesn't reach the FFT block concurrently, because > the graph I get is same when I feed Null source and a Symbol source to > FFT). > > It would be great if someone can guide me with it. > > > Regards > Aditya Virmani > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
