On 13/08/2024 10:36, Olo via USRP-users wrote:
Dear Ettus Support Team,
I hope this message finds you well.
I am currently working with an X310 SDR equipped with two TwinRX
daughterboards, and I am looking to receive data simultaneously across
all four channels. My goal is to maximize the available bandwidth by
configuring the system to receive on all channels in parallel.
Could you please advise on the best approach to achieve this?
Specifically, I would like to know if it is necessary to use a
specialized RFNoC graph for this setup, or if the uhd::multi_usrp
class in the UHD library, along with a corresponding rx_streamer,
would be sufficient to accomplish this task.
I appreciate any guidance or recommendations you can provide.
Thank you for your support.
Best regards,
Olo.
Assuming that all the streams terminate on your computer, then the
limiting factor is always going to be your computer. RFNoC
is only helpful if you want to do some of the computing on the
radio. But if the goal is to have 4 streams going to your computer,
at full rate, then RFNoC doesn't bring anything to the table--and in
fact, internally these days, an application that uses UHD
multi-usrp streamers actually sets up a standardized RFNoC flow on
the radio anyway.
This document can be helpful:
https://kb.ettus.com/USRP_Host_Performance_Tuning_Tips_and_Tricks
The ultimate question becomes "what do I want to do with those
streams?". That will determine whether your computer
can handle the aggregate data rates.
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