- This topic has 31 replies, 1 voice, and was last updated 6 years ago by LEMAURE.
22nd March 2016 at 06:44 #53257MaxGuest
please explain causes for RRC and e-RAB failures in LTE5th April 2016 at 21:19 #53258PixGuest
Same as the ones in 2G and 3G…
radio, mobility, transmission, other25th April 2016 at 10:42 #53259varun radhakrishnaGuest
RRC failure is happening due to uplink message time out condition.what would be the reason for the failures29th April 2016 at 09:32 #53260Adekunle OkeGuest
I am interested in performance monitoring document.26th May 2016 at 06:59 #53261thirumoorthy.pGuest
things needs to check RRC failuer happens in LTE28th June 2016 at 05:44 #53262manchal sharmaGuest
we want cause of RRC fail…28th June 2016 at 07:47 #53263SIlGuest
RRC failure caused by the Mobile Originating Signalling establishment4th November 2016 at 06:43 #53264GJ RajputGuest
Failure Reasons in RRC:
1. Coverage Issue
2. Interference Issue
3. PRACH Usage High
4. Configuration Issue
5. Paging Load High1st December 2016 at 19:13 #53265VIKASGuest
There is RRC failure in Cell due to cause code RRCsig.RRcsetup time expires before signal reach to UE.Please support to resolve.5th June 2017 at 04:29 #53266Sarin SreevalsanGuest
I’m getting a high RRC failure rate in my network . Kindly let me know how i can tackle this issue pls.7th June 2017 at 21:09 #53267pixGuest
What a vague question. Are you able to elaborate ?
br / pix4th November 2017 at 11:03 #53268MUSTAPHA EL AHMADIGuest
I need your support on how to troubleshoot on high MTC call attempt on 4G,during a drive test as I can see paging received,nothing happened after this message(no rrc connection request,…),radio condition ok ,except of 3 failures dur to SNR =-6
what can be the cause?the mobility can impact the MTC call attempt failure due to delay paging?
Thanks,4th November 2017 at 12:34 #53269pixGuest
Are you certain the Paging was intended for your UE ? I find it strange that the UE does not proceed with a RRC Connection.
Did the UE properly attach to the network ? Performed Tracking Area Updates ? What about MOC ?
BR/Pix5th November 2017 at 12:18 #53270MUSTAPHA EL AHMADIGuest
Thanks for your reply
I agree with you and I checked M-TMSI in a previous messages before paging like RRC connection req(MOC) or tracking area update and the M-TMSI in a a paging didn’t match any one nor in RRC request or tracking area update .The cause is B-party is unreachable,it’s look like the device is down,or not connected but I don’t know how to confirm ,prove that
BR6th November 2017 at 06:16 #53271pixGuest
Well, I would just attempt a MOC and see how it goes. If MOC is made, then it means the UE is attached and capable of doing voice calls (through VOLTE I assume ?).
Try to do the MTC after that.
If MOC is not possible, then you know for sure there’s an issue. I would investigate the ATTACH procedure (which you can trace by doing an “airplane” mode ON/OFF during the tracing)
Also, try to do packet transfers. If those are possible but not the VOLTE, then it’s something else altogether.
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