Hi all,
I'm using benchmark_tx.py to transmit a GMSK sequence at 10MHz. As some
of you know, I'm trying to debug my own GMSK m-block receiver.
If I use test_usrp_standard_rx -F 10000000 (not the in-band receiver) to
capture the incoming signal and plot it, I get the graph on the top, and
if I dump the data coming out of the usrp1_source_c block when running
benchmark_rx.py -f 10000000, i get the bottom graph:
http://www.andrew.cmu.edu/user/gnychis/std_gmsk.png
I can successfully decode the transmission with my receiver using the
data output from usrp1_source_c and benchmark_rx.py ... however I cannot
decode it using the samples from test_usrp_standard_rx.
So I'm wondering, what is benchmark_rx.py tuning on the USRP differently
than test_usrp_standard_rx? Of course, my goal is to duplicate this
action because my in-band code is also dumping data similar to the top
graph.
Thanks!
George
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