You can modify the generated Python code to use timed transmission and reception.
Sent from my iPhone > On Jul 21, 2021, at 7:41 AM, Armin Ghani <[email protected]> wrote: > > > Dear Community > > I've been trying to transmit samples while trying to receive RX samples at > the same frequency which the delay between TX and RX samples suppose to be > predictable aka fixed value . > > In the UHD host code examples there are two example source files where one > transmits TX samples in specific time in future, the other does this in RX > side. > > I am pretty aware how timing commands works but since I've been developing my > system in GRC environment, I prefer to do it in GRC. > > When I put USRP sink and source blocks in the flowgraph, and try to transmit > 1ms tone signal every 1 second, the delay which TX samples will be in RX > samples are fixed during one run but variable randomly when I run it for > multiple times. > > I'm looking for a trick in GRC to synchronize USRP sink and source blocks > where I'd like to be sure when transmitting TX signals (assuming at the same > frequency reception), I'll have those samples in the RX stream which is > delayed equal to end-to-end propagation delay of USRPs. > > If you have any tips/tricks to do it in GRC, I'll be more than thankfull. > > Regards. > > -- > <bbknokionefeeele.jpeg> > Armin Ghani > Research Engineer | Communication Systems Division (CSD) > [email protected] | +34 93 645 29 08 (2143) > Centre Tecnològic de Telecomunicacions de Catalunya (CTTC) > Av. Carl Friedrich Gauss, 7 - Edifici B4 - PMT > 08860 - Castelldefels (Barcelona, Spain) > www.cttc.cat > _______________________________________________ > USRP-users mailing list -- [email protected] > To unsubscribe send an email to [email protected]
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