[srslte-users] x300/X310:Poor UL SNR

[Ismael Gomez]

what TA you see on the PRACH for the UE?

On Mon, 17 Jun 2019 at 10:10, Venu Vennapusa <
venu.vennapusa at cohere-technologies.com> wrote:

> Did any body face this issue ?
>
>
>
> *From:* Venu Vennapusa
> *Sent:* Thursday, June 13, 2019 5:44 PM
> *To:* srslte-users-bounces at lists.softwareradiosystems.com
> *Subject:* x300/X310:Poor UL SNR
>
>
>
> Hi Team,
>
>
>
>   I was testing USRP X300/310 with COTS UE, as part of this I observed
> poor UL SNR i.e.., <10dB, some times it is as low as 2 to 3dB.I did not see
> this issue with USRP b210 boards.
>
>
>
> I did play with rx_gain settings ( 30 to 130 ), but I did not notice much
> improvement. Any ideas/help here is much appreciated.
>
>
>
> *X300 config:*
>
> 25 RBs
>
> Hyperthreading disabled
>
> 10GB ethernet link between Host and USRP
>
> Band7 UE
>
> UEs: Samsung S7 and Fire phone
>
>
>
> Thanks and Regards,
>
> Venu
>
>
>
>
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>


-- 
Ismael Gomez Ph.D.

Software Radio Systems (SRS)
http://www.softwareradiosystems.com

ismael.gomez at softwareradiosystems.com
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