[srslte-users] how to ensure commercial ue online for a long time

[Jane Zhang]

Hi Andre
Thank you for your reply.
Do you mean I need to turn off pcap log,  set log from all_lever=info to
all_level=warning? Is this the reason why the connection is unstable?

Jane




On Sun, Feb 7, 2021 at 4:50 AM Andre Puschmann <
andre.puschmann at softwareradiosystems.com> wrote:

> Hey,
>
> your enb.log shows many lates, like this:
>
> 22:15:00.762348 [RF  ] [I] Late (detected in asynchronous thread)
>
> This likely causes the UE to lose sync. You need to get rid off the
> lates otherwise the UE can't maintain a stable connection. All DL and UL
> transmission will fail as a consequence.
>
> Try to turn of logs and PCAP writing if this isn't needed. Better to
> rely on the stdout output for those kind of tests with low-power HW like
> the Jetson.
>
> Cheers
> Andre
>
> On 6/2/21 5:43, Jane Zhang wrote:
> > Dear srsLTE team
> > I run srsenb and srsepc on a machine( Jetson TX2). RF-end is LimeSDR
> > USB. Then I use iphone with a programmable card connected to enb.  To
> > confirm if it works well,  I use ping on both iphone and epc. It is ok.
> >
> > The first test is:
> > I did a test. when ue is near enb, when ue open an app to request audio
> > from internet. The same as above, the signal became weak. Then the
> > connection is broken. Attached the log files.
> >
> > The second test is:
> > when ue is near enb ( the distance is 1 meter), it works well.  (command
> > ping is ok. it last for a long time)
> > when ue becomes far a little (3-4 meters), the connection is unstable. I
> > saw the signal became weak. After 1 minute, the connection is broken.
> >
> > My question is how to maintain the connection is stable (without broken).
> >
> > Could someone help?  Thank you so much!
> >
> >
> > Jane
> >
> >
> > _______________________________________________
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> > srslte-users at lists.softwareradiosystems.com
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> >
>
>
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