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.
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