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LTE: When does an eNodeB issues RRC Connection Release message towards an UE ?

+1 vote
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LTE: When does an eNodeB issues RRC Connection Release message towards an UE ?
posted Aug 17, 2015 by Vikram Singh

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2 Answers

+1 vote

There are several reasons for an RRC connection releases to be sent by the eNB to the UE. Among them:

1) Expiration of the inactivity time( about 10 secs)
2) As a result of a drop call of some sort
3) In case of a tracking area update
4) During a Detach

answer Aug 17, 2015 by Avigdor Ne'eman
In addition to Avigdor's answer -
RRC connection is also released is case of CS fallback.
0 votes

Following are the reasons:

  • Expiration of the inactivity timer
  • RLF observed at eNB
  • loadBalancingTAU required
  • Detach Procedure
  • UE initiated/terminated CS-Fallback
answer Dec 1, 2020 by Manje Gowda K.r.
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