isaacgerg wrote:
I am sending a known sequence of samples from one USRP to another using the
Basix RX/TX d'boards setting the frequency to 24e6.
When I rx the sequence, the correlation of it keeps flipping, but not in a
way that suggests residual carrier. It seems as if I am experiencing an
instantaneous flip.
My gain on both the RX and TX is set to 500. The signal amplitude I rx is
~1200. When I run the GRC model, the Rx says I have no residual carrier,
invert is set to false, the dxc frequency is set to -24e6 and the baseband
to zero. On the TX side, I have these same values with the exception of the
dxc freq, it is not set to 24e6. Why the flip?? What do all these things
mean???
Is 24e6 a bad freq to use with the basic TX/Rx?
Thanks in advance!
I believe what you are seeing here is that the two USRPs are on two
different frequencies. This is not a fault of the USRP. No two
oscillators will be on exactly the same frequency, and so in any
practical receiver you must synchronize.
Matt
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