Your DPSK demod takes some time before loops are locked etc. I assume that's what you're seeing. Try bypassing both PSK blocks and see if the packetizers are working fine.
Cheers, Martin On 02/09/2016 06:58 PM, Haaris wrote: > Hi all, > Thanks for the reply martin. > The dpsk mod and demod work alright with the packet encoder and decoder > that i am currently using. > This flow graph recovers a text file somewhat alright. One problem is > that even though i have selected overwrite data in file sink, it still > appends the recovered data again and again. The second is that every > time first 412 characters of the data are missing of the start > paragraph. As repeat is turned on in file source, when the data is > repeated there are no characters missing and all the data is > successfully recovered after the first time. e.g. > > data = x x x x > x x x x > x x x x > > recovered data with repeat on = x x (412 characters missing) > x x x x > > x x x x > x x x x > x x x x > > x x x x > x x x x > x x x x .... > > So what happens with the wav file sink and source, why does file sink > and source miss the starting 412 characters everytime when recovering > data and why does the file sink does'nt overwrite the data? > > Thanks in advance > > > _______________________________________________ > 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
