Dear M S SUMI: You don't need to have USRPs, but you probably want to have SDR transceiver board(s) with you if you want to deal with the real-world signals. Without SDR boards, you can only do simulations with synthetic data (which is often fine).
Look for RTL-SDR (receive only), ADALM-PLUTO, or LimeSDR Mini (not released yet) if you need cheaper alternatives to USRP. Regards, Kyeong Su Shin On Sun, Oct 29, 2017 at 2:36 PM, M S SUMI <sumi...@gmail.com> wrote: > I am learning to use gnu radio for cognitive radio spectrum sensing. > Whether gnu radio software can be used for primary signal detection without > interfacing a USRP kit... > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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