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

[Ismael Gomez]

in the eNodeB screen and also log yes, when the PRACH is detected. the TA
value is sent to the UE in the RAR

On Wed, 19 Jun 2019 at 01:03, Venu Vennapusa <
venu.vennapusa at cohere-technologies.com> wrote:

> Hi Ismael,
>
>
>
>   I did not put focus on TA values, I can check. Where can I find this
> information, eNB log ?
>
>
>
> Thanks and Regards,
>
> Venu
>
>
>
> *From:* Ismael Gomez <ismael.gomez at softwareradiosystems.com>
> *Sent:* Monday, June 17, 2019 9:49 PM
> *To:* Venu Vennapusa <venu.vennapusa at cohere-technologies.com>
> *Cc:* srslte-users at lists.softwareradiosystems.com
> *Subject:* Re: [srslte-users] x300/X310:Poor UL SNR
>
>
>
> 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
>
>
>
>
>
> _______________________________________________
> srslte-users mailing list
> srslte-users at lists.softwareradiosystems.com
> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>
>
>
>
> --
>
> Ismael Gomez Ph.D.
>
> Software Radio Systems (SRS)
> http://www.softwareradiosystems.com
>
> ismael.gomez at softwareradiosystems.com
>


-- 
Ismael Gomez Ph.D.

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

ismael.gomez at softwareradiosystems.com
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