Check the tx_ofdm.grc and rx_ofdm.grc examples in the gr-digital module. This page will help if you want to access the C++ API: https://www.gnuradio.org/doc/doxygen/group__ofdm__blk.html
Also, this: https://wiki.gnuradio.org/index.php/Basic_OFDM_Tutorial --M On Tue, Nov 10, 2020 at 2:53 PM Rozana Alam <rozana.al...@gmail.com> wrote: > Hello community, > I have currently started using gnu radio for some signal measurement > purpose. I want to transmit ofdm signal with the help of gnu through > SDR(bladeRF). I got an idea from some tutorials that ofdm mod is needed for > transmitting ofdm signal.but I don't have any ofdm mod block on my gnu > platform but I have all the other ofdm components like ofdm tx,Rx, channel > allocator etc.i am using gnu radio 3.8 version in Ubuntu 18.04 and it's > compiled from source. Can anyone please assist me how to download ofdm mod > in my current platform.or is there any supplement that I can simply use > ofdm transmitter and receiver to transmit and receive ofdm signal through > the SDR. I would highly appreciate your help. > Sincerely, > Rozana >