You have windows enabled in the FFTs. Switch to rectangular windows for OFDM (you can check out the OFDM examples).
M On 04/16/2016 02:53 PM, Abhinav Jadon wrote: > Hi, > I made two flowgraphs. > 1st flowgraph : Source -> BPSK modulation -> Constellation Sink > 2nd flowgraph : Source -> BPSK modulation -> IFFT -> FFT -> > Constellation Sink > > The source is configured such that if only transmits 1s. > Therefore one would expect the constellation plot to have one dot on the > x-axis around the point (1,0). This is what happens :) > But in the second flowgraph one would expect the same result but the > flowgraph is not what it should look like. > > The link for the screenshots : > https://drive.google.com/folderview?id=0Bwh_xvBu7PpWaTRZX0VqQzBxNU0&usp=sharing > p1 and p2 correspond to the second flowgraph > Regards > Abhinav Jadon > > > _______________________________________________ > 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
