dont use random source.... packet encoder is already in the ofdm block in the gnuradio-companion. so need not to include.also try to put the screen-shot of ur block diagram.
waqasme wrote: > > > Hello sumit, > I am trying to make OFDM trasmitter and reciever block diagram( with > signal processing blocks available in GNU Radio) in GNU Radio companion. > As my supervisor asked me to make simulation first in GNU radio software > then move on to USRP. i have made this basic simulation model for OFDM > transmitter which consists of: > Random source, Interleave, packet encoder, OFDM modulator, throttle and > FFT sink block . by using these signal blocks iam getting the flow graph > of OFDM transmitter. but now i want to make OFDM reciever as well. i tried > the same technique in reverse order with OFDM demodulator ,packet decoder, > deinterlever , throotle and scope sink but its not showing any signal . > please if you know how to design or make the OFDM transmitter and reciever > in GNU Radio companion software please guide me or let me know.. > Thanks in advance. > > Regards, > ----- Sumit Kr. Research Assistant Communication Research center IIIT Hyderabad India -- View this message in context: http://old.nabble.com/OFDM-Implementation-tp32380874p32465468.html Sent from the GnuRadio mailing list archive at Nabble.com. _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio