[srslte-users] UE not identifying ENB

Kewin Rausch krausch at fbk.eu
Tue Dec 18 07:35:35 UTC 2018


Hey there,
just a couple of comments.

   - Log is basically not existing (you are running enb in error level
   Warning, while it should be set to Info or Debug).
   For example, the enb.log file has only two lines!

   - No configuration of the enb/epc is present, so we can't say how you
   configured it either.

When you ask for help you should commit to present the more information
possible, not the less. :-)

Cheers,
Kewin R.

On Mon, Dec 17, 2018 at 4:19 PM devifr <devifr at gmail.com> wrote:

> I'm having issues getting with the UE attaching to the ENB.  With regards
> to the ENB, I've used both the USRP Mini B200 as well as the BladeRF.  I
> had another computer running SDRSharp with an Airspy SDR and I can confirm
> that I can see power coming off the ENB.  (NOTE: the BladeRF had a much
> more consistent, solid spike in the RF waterfall versus the USRP.  The USRP
> ebbed and flowed with the "U" trace.)
>
> With regards to the UE's I have a Nexus 5X as well as a Nemo Handy to
> measure drive test data.  Both devices have a programmable SIM with the
> default parameters listed in user_db.csv.
>
> After launching the EPC/ENB, I've ensured that I've ran the
> ./srsepc_if_masq.sh <wireless interface>.  Still...no joy.
>
> I've attached the logs and pcaps.  Any suggestions are greatly
> appreciated.  Thanks.
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> srslte-users at lists.softwareradiosystems.com
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