On 26/04/2023 18:52, Brian Padalino wrote:
On Wed, Apr 26, 2023 at 6:33 PM Eugene Grayver
<eugene.gray...@aero.org> wrote:
How much would work would it take to allow two different PCs to
each control one of the channels on the X310? Would the work be
mostly on the host (software) side, or will some FPGA work be
required? There is no issue on the RX side (with the recent UHD
updates to support streaming to arbitrary IP). The issue is with
control (e.g. set sample rate) and with TX flow control. One use
case would be two independent modems each processing the full 200
Msps from the separate 10 GbE ports. I guess one could always
just buy another USRP but it seems wasteful/inelegant.
What if you split your application up into essentially a daemon that
controls the radio and handles the subscription to the sample stream.
Your applications then communicate with that daemon - maybe via ZMQ
messages - which handle the forwarding of the sample stream(s) and
command/control of the radio. It's all software and there is still
really just one machine handling all the communication with the radio
device. No change in paradigm for UHD.
The downside is that you generate a lot more network traffic because
you want to split the workload over multiple computers.
Do you think this might work for you?
Brian
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You can probably buy another reasonably-decent computer with 10Gbit NIC
for considerably less than another X310 + 2WBX,
also.
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