On 2025-07-30 02:45, gech...@gmail.com wrote:
Hello,
I’m using USRP X310 devices on both the transmitting and receiving
ends to handle a data stream. During transmission, I run the following
command:
/usr/lib/uhd/examples/tx_samples_from_file --freq 2484e6 --rate 20e6
--gain 10 --wirefmt sc16 --ref=internal --file
/home/ubuntutx/uhd/examples/tx_transmit_data.dat --repeat
I encounter consistent underflow issues (indicated by "U" messages in
the console), regardless of the sample rate used. Could you please
advise how to modify my setup or code to enable stable transmission
and reception without these underflow errors?
Thank you,
Getaneh Berie
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I'll note that 20msps is 80Mbyte/second. If your disk subsystem cannot
sustain this rate, you'll get under-runs.
If your file can fit on ram-disk, move it there.
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