Take a look at gr-digital/python/generic_mod_demod.py for an example of the kind of signal-processing blocks that you'll need.
On Fri, Mar 22, 2013 at 10:30 AM, Azza Ben Mosbah <azza.ben.mos...@gmail.com> wrote: > In fact, this is the receiver I make. But, I can't find the right > constellation. That's why I think I have a problem in blocks I have already > implemented. > > > > On Fri, Mar 22, 2013 at 5:37 PM, Ben Reynwar <b...@reynwar.net> wrote: >> >> I'm assuming you want to visualize the symbols after synchronization >> but before decision making. At the moment this is a pain, because the >> fine phase adjustment and the decision making are performed in the >> same block (constellation_receiver). What you want is the fourth >> optional output of the constellation_receiver block. Unfortunately >> this output is not available in any of the hierarchical demodulation >> blocks (because hierarchical blocks can't have optional outputs yet). >> This means that if you want to do it in grc you won't be able to use >> one of the straightforward demodulation blocks, rather you'll have to >> put all the synchronization blocks in there independently. >> >> When I want to do this, I do it in python, and hackishly connect >> directly to the 'constellation_receiver' block that is inside the >> demodulation block. >> >> i.e. tb.connect( (my_demodulation_block.receiver, 4), >> my_visualization_block) >> >> Ben >> >> On Fri, Mar 22, 2013 at 2:53 AM, Azza Ben Mosbah >> <azza.ben.mos...@gmail.com> wrote: >> > Hello, >> > >> > I receive data from USRP and demodulate them, then I can have the >> > constellation. But, I can't find a way to join blocks, so they can show >> > a >> > result. I need some help concerning the scheme I have to implement to >> > get my >> > constellation. >> > Thanks in advance. >> > >> > Best Regards, >> > Azza. >> > >> > _______________________________________________ >> > 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
