I think this happens when you don't have matched filters? On Thu, Nov 1, 2018 at 10:45 AM Mercado, Alejandra <merc...@ece.umd.edu> wrote:
> Dear GnuRadio folks, > > I have a questions about the "PSK Mod" block of GnuRadio. I am following > the tutorial found here: > https://wiki.gnuradio.org/index.php/Guided_Tutorial_Hardware_Considerations > (the grc is attached) > > I followed the instructions to see the output of PSK Mod for 4 > constellation points. To my surprise, the constellation graph shows points > that are ambiguously between quadrants (see the screenshot). > > What causes this? Is it the PSK Mod block that creates output points that > do not correspond to one of the four points? Or is it the QT GUI that is > not displaying the output correctly? Or both? > > Thanks and regards > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > -- Very Respectfully, Dan CaJacob
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