[srslte-users] Throughput tests

[Ismael Gomez]

what command do you use for UDP iperf?

On Tue, 13 Feb 2018 at 10:34 <dmakris at iit.demokritos.gr> wrote:

> Hi Ismael,
>
> thank you for your immediate response.
> I tune the Tx and Rx gains to 88 and 45 dB respectively, so the snr from
> trace monitoring is about 27 dB.
> I run the tests using speedtest from Okla, and i measure the DL between 12
> and 20 Mbps. The UL is about 25 Mbps.
> Then i run an iperf UDP test. When i try to download, the DL is about 10
> Mbps and the snr goes to -nan.
>
> Best Regards,
> Dimitris
>
>
> > Are you using TCP or UDP? TCP performance with srsENB is not quite good
> at
> > the moment. Try UDP first.
> >
> > Also tune the TX and RX gains so that you have high SNR (~27-30 dB) in
> > both
> > directions.
> >
> > On Tue, 13 Feb 2018 at 10:17 <dmakris at iit.demokritos.gr> wrote:
> >
> >> Hi srsLTE community,
> >>
> >>  in our testbed, we use the latest srsLTE software (Latest commit
> >> 2734ce6)
> >> running on an Intel Core i7-7700K CPU (8x4.2 GHz), with 16 Gbyte RAM.
> >> The
> >> OS is Ubuntu 16.04. For the RF front end we use the Ettus B210 in SISO
> >> Mode.
> >>  For 1.4, 3, 5 and 10 MHz Bandwidth, we achieve the expected throughput.
> >> But for 15 and 20 MHz, the DL varies between 12 and 20 Mbps. The UL is
> >> about 25 Mbps.
> >>
> >>  Should we change another parameter from drb, rr, or sib configuration
> >> files?
> >> Thank you for your help.
> >>
> >> Thank you in advance,
> >> Dimitris
> >>
> >> _______________________________________________
> >> srslte-users mailing list
> >> srslte-users at lists.softwareradiosystems.com
> >> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
> >>
> >
>
>
>
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