[srslte-users] SrsLTE S1 handover issue

[Francisco Paisana]

Hey Chinedu,

It is hard to understand where the issue lies from what you shared in the
last email. Can you send your enb and ue configuration files, and the GR
flowgraph python file?

Kind Regards,
Francisco


On Mon, May 17, 2021 at 12:17 PM Chinedu Ezenobi <chineduezenobi at gmail.com>
wrote:

> Hello world,
> My name is David, I am a masters student working on a project on srsLTE
> and I am new on this mail list so please bear with me if I miss any
> formality.
>
> I am trying to implement a S1 handover but I don't get as far as where I
> have to force the handover. My 2 enodeBs successfully connect to the
> open5gs core but when I try to run the flow graph generated by the handover
> broker file from the GNU radio to connect the enode B to the UE, I get no
> feed back response on either of my enodeB, EPC or UE which means that the
> GNU radio does not connect my UE to the enodeB.
>
> The terminal running the gnu radio gives the below output though:
> /usr/lib/python3.6/importlib/_bootstrap.py:219: ImportWarning: can't
> resolve package from __spec__ or __package__, falling back on __name__ and
> __path__
>   return f(*args, **kwds)
> >>> Done
>
> Generating: '/home/chinedu/Downloads/intra_enb.py'
>
> Executing: /usr/bin/python3 -u /home/chinedu/Downloads/intra_enb.py
>
> Warning: failed to XInitThreads()
> /home/chinedu/.gnuradio/prefs/vmcircbuf_default_factory: No such file or
> directory
> vmcircbuf_createfilemapping: createfilemapping is not available
>
> Here's a brief description of my setup
> I am running my open5gs EPC on a VM on 10.0.0.7 network, the source
> enodeB, UE and GNU radio are running on the same VM on 10.0.0.8 network and
> the target enodeB on 10.0.0.9 all using the srsLTE release 20.10 and zmq
> based radio frequency.
> I followed the documentation to the best of my knowledge but I don't know
> what I may be doing wrong.
>
> Please can you help advise me on how I can get it to work.
>
> Kind regards,
> David.
>
>
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