[srslte-users] Fwd: Issue in connecting srsUE with OAI eNB

Emilie Meyer emiliemeyer1016 at gmail.com
Mon Nov 7 14:19:42 UTC 2016


Hi Mathias

I have also the problem during the attach procedure, which results in a
crash in the OAI EPC.
This happens even though I have switched to "*next" *brach of srsLTE and
srsUE.
Can you please give more details on what you did to make it work.

Regards

Emilie

On Fri, Nov 4, 2016 at 11:01 AM, Mathias Rønholt Kielgast <
mkielg11 at student.aau.dk> wrote:

> Hi again,
>
> I looks like I was a bit too fast on the trigger there. The error occurred
> was caused by the eNB (OAI) and was quickly fixed.
> Thank you very much for your help!
>
> Yours sincerely,
> Mathias Rønholt Kielgast
> *Master's Student, Wireless Communication Systems*
> *Aalborg University*
> ------------------------------
> *From:* Mathias Rønholt Kielgast
> *Sent:* 04 November 2016 10:41
> *To:* Supreeth Herle
> *Cc:* Himank Gupta; srslte-users at lists.softwareradiosystems.com
> *Subject:* RE: [srslte-users] Fwd: Issue in connecting srsUE with OAI eNB
>
> Hi Supreeth,
>
> Thank you for your swift response. I'm sorry, I misunderstood, I thought
> you meant next as in the newest revision.
> Both my srsUE and srsLTE is now at head revision of the next branches,
> with your changes in nas and gw modules in srsUE (from pull request). I can
> now compile, however, I'm now not succeeding in the RA procedure:
>
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> *Found CELL ID: 0 CP: Normal  , CFO: 0.0 KHz. Trying to decode MIB...  -
> Cell ID:         0  - Nof ports:       1  - CP:              Normal   -
> PRB:             25  - PHICH Length:    Normal  - PHICH Resources: 1/6  -
> SFN:             0 MIB received BW=5 MHz Initializating cell
> configuration... Setting Sampling frequency 5.76 MHz Setting manual TX/RX
> offset to 100 samples Setting TX/RX offset 100 samples, 17.36 us SIB1
> received, CellID=3584,  PLMN Id: MCC 208 MNC 93 SIB2 received Random Access
> Transmission: seq=1, ra-rnti=2 Random Access Transmission: seq=2, ra-rnti=2
> Random Access Transmission: seq=3, ra-rnti=2 Random Access Transmission:
> seq=4, ra-rnti=2 Random Access Transmission: seq=5, ra-rnti=2 Random Access
> Transmission: seq=6, ra-rnti=2 Random Access Transmission: seq=7, ra-rnti=2
> Random Access Transmission: seq=8, ra-rnti=2 Random Access Transmission:
> seq=9, ra-rnti=2 Random Access Transmission: seq=10, ra-rnti=2 Warning:
> Detected Radio-Link Failure RRC Connection released. *
> I hope you might be able to help?
>
> Yours sincerely,
> Mathias Rønholt Kielgast
> *Master's Student, Wireless Communication Systems*
> *Aalborg University*
> ------------------------------
> *From:* Supreeth Herle [s.herle at create-net.org]
> *Sent:* 04 November 2016 09:57
> *To:* Mathias Rønholt Kielgast
> *Cc:* Himank Gupta; srslte-users at lists.softwareradiosystems.com
> *Subject:* Re: [srslte-users] Fwd: Issue in connecting srsUE with OAI eNB
>
> Hi Mathias,
>
> Are you sure you are using "next" branch of srsLTE??
>
> I'm using the following commit of srsLTE,
>
> srsLTE: *next* branch -> following commit https://github.com/srsL
> TE/srsLTE/commit/3ff153f06a6582ca004772dee3b372577208e033
>
> Regards,
> Supreeth
>
> On Fri, Nov 4, 2016 at 9:50 AM, Mathias Rønholt Kielgast <
> mkielg11 at student.aau.dk> wrote:
>
>> Hi Supreeth,
>>
>> I cannot compile when I implement your pull request. I get errors when
>> making the srsUE project (console error log attached)?
>>
>> Yours sincerely,
>> Mathias Rønholt Kielgast
>> *Master's Student, Wireless Communication Systems*
>> *Aalborg University*
>> ------------------------------
>> *From:* srslte-users [srslte-users-bounces at lists.softwareradiosystems.com]
>> on behalf of Supreeth Herle [s.herle at create-net.org]
>> *Sent:* 25 October 2016 13:36
>> *To:* Himank Gupta
>> *Cc:* srslte-users at lists.softwareradiosystems.com
>> *Subject:* Re: [srslte-users] Fwd: Issue in connecting srsUE with OAI eNB
>>
>> Hi,
>>
>> The setup which works for me is as follows:
>>
>> srsLTE: *next* branch -> following commit https://github.com/srsL
>> TE/srsLTE/commit/3ff153f06a6582ca004772dee3b372577208e033
>>
>> srsUE: *next* brach -> with the changes as per my pull request.
>>
>> Best Regards,
>> Supreeth
>>
>> On Tue, Oct 25, 2016 at 1:31 PM, Himank Gupta <cs16mtech01001 at iith.ac.in>
>> wrote:
>>
>>> Hi
>>>
>>> Initially, I am using  following commits for srsLTE and srsUE:
>>>
>>> srsLTE : 66a65f4860aa6680a558a65905553c414252b0e7
>>> srsUE : 3542108f88b7062aac65746f021f9d62e9c5df58
>>>
>>> Then my srsUE is getting connected wth OAI eNB till RRC and in a console
>>> I am getting RRC connected.
>>>
>>> If I use latest git pull for srsUE and srsLTE then I am getting
>>> following in my srsUE console:
>>>
>>> *"Timeout while searching for SIB1. Resynchronizing SFN...*"
>>>
>>> I have edit the file as Supreeth suggested but I am not able to fix
>>> above issue.
>>> Please help .
>>> Thanks in advance
>>>
>>>
>>> *Thanks & Regards *
>>>
>>> *Himank Gupta *
>>>
>>> *M.Tech *
>>>
>>> *Department of Computer Science and Engineering *
>>>
>>> *Indian Institute of Technology, Hyderabad *
>>>
>>> *Email : cs16mtech01001 at iith.ac.in <cs16mtech01001 at iith.ac.in> *
>>> *Cell : +91-9045158330 <%2B91-9045158330>*
>>>
>>> On Tue, Oct 25, 2016 at 1:55 PM, Supreeth Herle <s.herle at create-net.org>
>>> wrote:
>>>
>>>>
>>>> ---------- Forwarded message ----------
>>>> From: Supreeth Herle <s.herle at create-net.org>
>>>> Date: Tue, Oct 25, 2016 at 10:23 AM
>>>> Subject: Re: [srslte-users] Issue in connecting srsUE with OAI eNB
>>>> To: Emilie Meyer <emiliemeyer1016 at gmail.com>
>>>>
>>>> Hi,
>>>>
>>>> You can refer to my pull request for this issue
>>>>
>>>> https://github.com/srsLTE/srsUE/pull/10
>>>>
>>>> Regards,
>>>> Supreeth
>>>>
>>>> On Tue, Oct 25, 2016 at 10:18 AM, Emilie Meyer <
>>>> emiliemeyer1016 at gmail.com> wrote:
>>>>
>>>>> Hi all.
>>>>>
>>>>> I am also experiencing the same problem. Seems like there is some
>>>>> problem during the attach procedure and the UE is not assigned any IP
>>>>> address.
>>>>> Has anyone successfully managed to interconnect srsUE with OAI?
>>>>>
>>>>> Regards
>>>>>
>>>>> Emilie
>>>>>
>>>>> 2016-10-23 16:49 GMT+02:00 Himank Gupta <cs16mtech01001 at iith.ac.in>:
>>>>>
>>>>>> Hi Guys
>>>>>>
>>>>>> Can anybody help in order to connect srsUE with OAI eNB.
>>>>>> When i tried to connect I am getting "RRC connected " in srsUE
>>>>>> terminal. After that nothing is happening.
>>>>>> In OAI EPC UE is associating but it is not able to allocate bearer to
>>>>>> UE.
>>>>>>
>>>>>> Help Please !!!!!!!!
>>>>>> Thanks in advance....
>>>>>>
>>>>>>
>>>>>>
>>>>>> *Thanks & Regards *
>>>>>>
>>>>>> *Himank Gupta *
>>>>>>
>>>>>> *M.Tech *
>>>>>>
>>>>>> *Department of Computer Science and Engineering *
>>>>>>
>>>>>> *Indian Institute of Technology, Hyderabad *
>>>>>>
>>>>>> *Email : cs16mtech01001 at iith.ac.in <cs16mtech01001 at iith.ac.in> *
>>>>>> *Cell : +91-9045158330 <%2B91-9045158330>*
>>>>>>
>>>>>> _______________________________________________
>>>>>> srslte-users mailing list
>>>>>> srslte-users at lists.softwareradiosystems.com
>>>>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Regards
>>>>>
>>>>> Emilie
>>>>>
>>>>> _______________________________________________
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>>>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> ------------------------------------------------------------
>>>> ------------
>>>> Supreeth Herle
>>>> CREATE-NET
>>>> Future Networks (FuN)
>>>> Research Engineer
>>>> Via alla Cascata 56/D - 38123 Povo Trento (Italy)
>>>> e-mail: s.herle at create-net.org
>>>> ------------------------------------------------------------
>>>> -------------
>>>>
>>>> The information transmitted is intended only for the person or entity to
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>>>> taking of any action in reliance upon, this information by persons or
>>>> entities other than the intended recipient is prohibited according to
>>>> the Italian Law 196/2003 of the Legislature. If you received this in
>>>> error, please contact the sender and delete the material from any
>>>> computer.
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> ------------------------------------------------------------
>>>> ------------
>>>> Supreeth Herle
>>>> CREATE-NET
>>>> Future Networks (FuN)
>>>> Research Engineer
>>>> Via alla Cascata 56/D - 38123 Povo Trento (Italy)
>>>> e-mail: s.herle at create-net.org
>>>> ------------------------------------------------------------
>>>> -------------
>>>>
>>>> The information transmitted is intended only for the person or entity to
>>>> which it is addressed and may contain confidential and/or privileged
>>>> material. Any review, retransmission, dissemination or other use of, or
>>>> taking of any action in reliance upon, this information by persons or
>>>> entities other than the intended recipient is prohibited according to
>>>> the Italian Law 196/2003 of the Legislature. If you received this in
>>>> error, please contact the sender and delete the material from any
>>>> computer.
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>>>
>>
>>
>> --
>> ------------------------------------------------------------------------
>> Supreeth Herle
>> CREATE-NET
>> Future Networks (FuN)
>> Research Engineer
>> Via alla Cascata 56/D - 38123 Povo Trento (Italy)
>> e-mail: s.herle at create-net.org
>> -------------------------------------------------------------------------
>>
>> The information transmitted is intended only for the person or entity to
>> which it is addressed and may contain confidential and/or privileged
>> material. Any review, retransmission, dissemination or other use of, or
>> taking of any action in reliance upon, this information by persons or
>> entities other than the intended recipient is prohibited according to
>> the Italian Law 196/2003 of the Legislature. If you received this in
>> error, please contact the sender and delete the material from any
>> computer.
>>
>>
>
>
> --
> ------------------------------------------------------------------------
> Supreeth Herle
> CREATE-NET
> Future Networks (FuN)
> Research Engineer
> Via alla Cascata 56/D - 38123 Povo Trento (Italy)
> e-mail: s.herle at create-net.org
> -------------------------------------------------------------------------
>
> The information transmitted is intended only for the person or entity to
> which it is addressed and may contain confidential and/or privileged
> material. Any review, retransmission, dissemination or other use of, or
> taking of any action in reliance upon, this information by persons or
> entities other than the intended recipient is prohibited according to
> the Italian Law 196/2003 of the Legislature. If you received this in
> error, please contact the sender and delete the material from any
> computer.
>
>
> _______________________________________________
> srslte-users mailing list
> srslte-users at lists.softwareradiosystems.com
> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>
>


-- 
Regards

Emilie
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