Here's my flow-graph along with a snapshot of the constellation and FFT. Thanks!! -Tom
On Wed, Mar 23, 2016 at 1:01 PM, Marcus D. Leech <[email protected]> wrote: > On 03/23/2016 02:48 PM, Tom Golden wrote: > >> Hi, >> >> I'm a novice gnu radio user. I'm using gnuradio with an Ettus N210 >> cabled to a modem transmitting GMSK 9600bps. This is just for a test to >> verify the modem transmit bits. >> >> I'm having issues with resampling. The N210 clock can't be set to a >> multiple of 9600, so I'm attempting to resample. I've tried various >> mechanisms but the output after resampling to 96000 is too noisy to >> successfully decode bits. I've tried the GMSK demod block as well as the >> combination of Quadrature Demod->Clock Recovery MM->Binary Slicer - and >> neither works. >> >> I've also played with the Polyphase clock sync but I don't see any >> noticeable difference. Can anyone recommend a solution? >> >> Thanks!! >> -Tom >> >> For a first step, it would be useful for you to share your flow-graph > with the list. > > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
test.grc
Description: application/gnuradio-grc
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