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How long UE can hold to send Reestablishment request ?

+1 vote
44 views

Reestablishment triggers after Source cell is detected as Radio ink failure, If UE is not able to detect any other cell during this time how long it can wait to find new cell to trigger Reestablishment .

posted May 11 by Jaganathan

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2 Answers

+1 vote
 
Best answer

Hi Jagan,
Timer T311 starts at the initiation of RRC connection reestablishment procedure.
It stops upon selection of suitable E-UTRA cell OR a cell using another RAT.
default value ms1000-LTE
default value ms30000 - 5G

answer May 14 by Mohit Mohan
Thanks for the answer. What will be the recovery procedure if T311 expires?
0 votes

after timer expiry UE goes in RRC_Idle state .

answer May 19 by Mohit Mohan
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If HO fails the UE will initiate contention based reestablishment and connect to some ENB, But target ENB have provided the contention free Rach preamble , at failure case how long ENB will hold this preamble because it has to release for other UE?

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