Hi Marcus, Thank you very much for your reply. I was struggling to fix this issue for a long time. I'll try and get back to you if it fails again.
Best Regards, Shamil On Mon, Oct 18, 2021 at 9:19 PM Marcus D. Leech <[email protected]> wrote: > On 2021-10-18 12:40 a.m., Shamil Prematunga wrote: > > Hi All, > > I am a research engineer in Dialog-University of Moratuwa Research Lab Sri > Lanka who is new to USRP devices. I am currently working on an OAI setup > with N310 as a gNB and B210 as a UE. > > When the setup is running I wasn't able to make proper communication in > between SDRs even over the air or through cables. > > I tested using GNURadio and B210 working as a spectrum analyzer to capture > signals which are transmitted by the N310. It shows small fluctuations > around the center frequency when N310 is up and running. > > Can someone who has experience with OAI and USRPs please help me to figure > out the problem. > > Thanks in advance. > > Best Regards, > Shamil Prematunga > > _______________________________________________ > USRP-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] > > You haven't given us much to go on here--like what you mean by "small > fluctuations". > > My suspicion is that you're just running into the fact that at the very > center of the spectrum is the DC component, and direct-conversion radios > have > a DC-offset compensator that can tend to alter signals right in the > middle of the spectrum. > > > The cure is usually to use offset tuning: > > > https://files.ettus.com/manual/structuhd_1_1tune__request__t.html#a292194827377ad0cef865b8b433b3ecd > > To shift the DC offset component outside or to the edge of your passband. > > > _______________________________________________ > USRP-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] >
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