Here are a few posts that I've found helpful in the past. They make for a good jumping-off point and will help you get familiar with the steps, terminology, and tools involved.
[1] https://nccgroup.github.io/RFTM/fsk_receiver.html [2] http://labs.inguardians.com/posts/20140516_GRC_Signal_Analysis.html [3] http://stackoverflow.com/questions/36898574/fsk-demodulation-with-gnu-radio [4] https://funoverip.net/2014/11/reverse-engineer-a-verisure-wireless-alarm-part-1-radio-communications/ [5] https://cansecwest.com/slides/2015/From_Baseband_to_bitstream_Andy_Davis.pdf After reviewing them, you'll understand some more keywords you can add to your Google searches, depending on what steps you had the hardest time with. I would also check out Inspectrum, which is a fantastic visualization tool and has recently added some excellent measurement and symbol extraction features. You may also be interested in checking out Mike Ossmann's talk from GRCON16 [7]. [6] https://www.youtube.com/watch?v=tGff31uGXQU [7] https://www.youtube.com/watch?v=rQkBDMeODHc On Thu, Dec 1, 2016 at 7:28 AM, AndroidT Tester <itestandroid2...@gmail.com> wrote: > Hey, > Sorry for the newbie question, but I have a signal where I found it's > center frequency and with +12khz and -12khz of the center, I have peaks. So > as far as I know, if you have 2 peaks on different frequencies, it's 2FSK > modulation. Now knowing this, how can I demodulate and finally print out > binary data of this signal into console? Please advise. > > Thank you! > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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