On 18/09/2023 00:02, h57jaf...@gmail.com wrote:
Hi
I am transmitting and receiving simultaneously from two ports/channels
of USRPX410, in the same GNU Radio flowgraph. It seems that for TX and
RX channels in USRPX410 there is delay (similar to the other USRP
models). While I am saving both transmitted and received IQ samples to
two files. How can I have IQ sample level synchronization between TX
and RX channels. Thank you.
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You'll need to give us some more context here--what is it you're trying
to achieve in the larger sense.
TX and RX samples will never be fully aligned unless you align them in
your software. There are group delays in both the
analog and digital domains in both directions. So if you need
alignment between TX and RX (perhaps for radar?), you'll
need to find the correlation peak in your data to determine the
mutual delay.
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