[srslte-users] Connecting srsue to srsenb

Andre Puschmann andre.puschmann at softwareradiosystems.com
Wed Jul 26 11:39:01 UTC 2017


Fabian,

according to the logs, you have IPv6 enabled in the core net, which we
don't support right now. Could you try disabling it and only use IPv4?
Other than that all looks ok, and, of course, srsUE is supposed to work
with srsENB.

Cheers
Andre



On 26.07.2017 09:14, fabian.eckermann at tu-dortmund.de wrote:
> Dear all,
> 
>  
> 
> I’m having a setup where I want to connect srsue to srsenb. Srsenb is
> connected to a EPC and for a COTS UE (LG G5) everything works as
> expected and I can connect to the srsenb. However when I try to connect
> the srsue to the same setup it fails.
> 
> To exclude the radio channel I connected srsenb and srsue with HF cables
> and 40dB attenuators. Again the connection failed with the following
> output (ue):
> 
>  
> 
> /Setting Sampling frequency 5.76 MHz/
> 
> /Setting TX/RX offset 93 samples, 16.15 us/
> 
> /SIB1 received, CellID=411,  PLMN Id: MCC 555 MNC 13/
> 
> /SIB2 received/
> 
> /Random Access Transmission: seq=1, ra-rnti=0x2/
> 
> /Random Access Complete.     c-rnti=0x46, ta=0/
> 
> /RRC Connected/
> 
> /Scheduling request failed: releasing RRC connection.../
> 
> /Random Access Transmission: seq=1, ra-rnti=0x2/
> 
> /Random Access Transmission: seq=2, ra-rnti=0x2/
> 
> /Random Access Transmission: seq=3, ra-rnti=0x2/
> 
> /Random Access Transmission: seq=4, ra-rnti=0x2/
> 
> /Random Access Transmission: seq=5, ra-rnti=0x2/
> 
> /Random Access Transmission: seq=6, ra-rnti=0x2/
> 
> /RRC Connection released./
> 
> / /
> 
> I attached the logfiles of srsue and srsue for further details.
> 
>  
> 
> Is this a bug of srsue or is srsue not supposed to work with srsenb?
> 
>  
> 
> Kind regards
> 
> Fabian
> 
>  
> 
>  
> 
> -- 
> 
> M. Sc. Fabian Eckermann
> 
> Research Assistant
> 
>  
> 
> *TU Dortmund University*
> 
> Communication Networks Institute (CNI)
> 
> Otto-Hahn-Str. 6
> 
> 44227 Dortmund
> 
>  
> 
> Tel.: +49 231-755 50 58 <tel:+492317555058>
> 
> Fax: +49 231-755 61 63 <tel:+492317556163>
> 
> fabian.eckermann at tu-dortmund.de <mailto:fabian.eckermann at tu-dortmund.de>
> 
> www.cni.tu-dortmund.de <http://www.cni.tu-dortmund.de/>
> 
>  
> 
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