On 01/14/2015 04:56 AM, Salman Dinani wrote: > Hi to all, > > I am a beginner in using GNU radio(GRC). I have made a DQPSK transmitter > using the blocks of GNU radio (attached Figure QPSK_1). when I connected > the constellation plot with it, It gave me the a very scattered > Constellation Plot Instead of four Clean Constellation Dots (attached > Figure QPSK_2). I have checked with all forms of signals but the > constellation remains distorted.(i.e. vector source, signal source etc.) > > Is it normal plot or am I missing some thing? Kindly help.
My guess is yes, it's a normal plot, and you have no time sync in there. M _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
