Thanks for looking into it! To be honest, I am not really good at RF. I based my code off the python code in gr-smartnet. The fsk-demod python file is here: https://github.com/bistromath/gr-smartnet/blob/master/src/python/fsk_demod.py
It is quite possible that it just happened to work because of an error that got patched in Gr 3.7. Are there some good examples for GMSK/FSK demodulation that I could borrow from instead? Recreating this in GRC sounds like a great idea so I can scope along the way. I will give that a try next. Thanks again for the pointers, fresh eyes are really helpful when you have been staring at it for so long. - Luke On Fri, Oct 17, 2014 at 8:18 AM, Martin Braun <martin.br...@ettus.com> wrote: > On 10/17/2014 08:28 AM, John Malsbury wrote: > > Also also, is the Band-Edge FLL ideal for GMSK? My possibly, incorrect > > understanding of that block is that it was more ideal for PAM with > > common RRC. > > For the record: It might work coincidentally because of the rolloff-y > shape of GMSK, but it's derived for and designed for common PAM/RRC, as > John says and I wouldn't recommend it for anything else. > To look up the math, I suggest Harris' works. > > >
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