On 02/18/2014 11:29 PM, zielalaoui wrote: > Hi, > I m trying to realise QPSK trasmission shown in the tutorial of Tom Rondeau > available in this link > http://www.trondeau.com/storage/grcon12/rondeau-mpsk_tutorial.pdf > I meet problem when i try to add the vector of taps in the polyphase clock > sync. I followed the example by creating a variable named *rrc_taps* and > value of *firdes.root_raised_cosine* to obtain directly the coefficients but > i still have error that the polyphase clock sync taps should by a float > vertor. I think that the problem is the definition of the function > *firdes.root_raised_cosine* which provide filter taps. Have you any > propositions for me? > Thanks for your help > Zakaria
You'll have to post some code and the exact error messages in order for us to help. M _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio