Hi,
I'm trying to build a portable measurement setup for short signals using
multiple X310 USRPs.
The samples on all channels are buffered in DMAFifos and streamed to the
host after acquisition using a shared 1GbE link (the USRPs and the host
are connected to a switch).
This approach works well if I only connect one USRP to the switch.
If I am using multiple USRPs, the switch of course drops packets because
the downstream Gigabit connection can't keep up.
I thought of two possible fixes:
- Start and Stop the TX streamers on each USRP sequentially after
acquisition (Only one USRP sends data at a time)
- Limit the output rate of the network controller to 1/N_usrps
Is any of this possible with UHD 3.15?
Thanks,
David
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