If it's specifically an AUTH issue as opposed to a weak signal issue
then it seems like that ought to work. The phone could have enough
brains in it's algorithm to note that there was an auth failure and also
weak CINR so maybe don't blacklist that eNB until we try it again when
CINR improves.
It was described to me as a function of the CPE, and if that's the case
then the solution would have to be implemented in the CPE.
Why do I have such a love hate relationship with LTE.
So how does this work in the macro network? Cell phone black lists
site, then drives closer to it. Shouldn't it associate without having
to be rebooted?
On Oct 4, 2016, at 21:36, Matthew Carpenter
<[email protected]
<mailto:[email protected]>> wrote:
If the UE tries to connect to the eNB and is unable to AUTH the SIM
card then it will blacklist after 3 or 4 attempts.
At that point the UE must be rebooted to connect. I have seen this
happen many times back last January.
No way around it, its a LTE thing..
On the UE’s dropping from 50-60Mbit to 2Mbit, what I have seen is its
an upload issue. The Upload QAM is SO low that it cannot perform
well on the download.
A reboot brings it around and the speeds go back to normal.
What I have been told is the UE/eNB will lower the QAM rate due to
interference or other issues and it will lower the QAM faster then
its rises it back up.
What are the “other issues” you ask? On the CPE7000 it was bad
boards that would cause high bit rate errors inside the radio causing
it to think it has interference.
Replacing the UE would fix it. I also think the old crappy POE
injectors causes issues as well.. cannot prove it..
I have a UE that did this yesterday, I will watch it and if it
continues to lower is QAM over the period of a day or so then we will
replace the UE. (CPE7000)
Also watching the tlsyslog on the EPC will give you all sorts of good
information as to what a UE is doing, or not doing correctly. I
highly suggest you watch it for bad UE’s.
MattCarpenter
On Oct 4, 2016, at 4:31 PM, Jeremy Austin <[email protected]
<mailto:[email protected]>> wrote:
On Tue, Oct 4, 2016 at 1:22 PM, Matt Hoppes
<[email protected]
<mailto:[email protected]>> wrote:
If so, is there a way around this so a customer does not have to
reboot the CPE?
When an IMSI is blacklisted, does this mean it isn't available for a
detach?
I haven't seen this problem yet, as far as I know.
I'm still trying to explain why a UE should jump from 50-60 megs
down, to 2, on a lightly loaded sector. I've been testing the 8000
on a 2x4 sector today. This is somewhat similar behavior to what we
get daily complaints about — it appears to affect customers somewhat
randomly, and there is no cure but to wait. (I'm not about to reset
the EPC.) I had hoped I wouldn't see it on the 8000, but so far I
may be.
Other than that, RF performance on the 8000 is good. I'm
consistently hitting high modulations and 6-7 Mbps on the upstream.
--
Jeremy Austin
(907) 895-2311
(907) 803-5422
[email protected] <mailto:[email protected]>
Heritage NetWorks
Whitestone Power & Communications
Vertical Broadband, LLC
Schedule a meeting: http://doodle.com/jermudgeon
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