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why does the HO preparation message contains the MIB and SIB information of the source EnodeB ?

+3 votes
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IS is this information required at target ?

posted Oct 8, 2013 by Sony Mohanty

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2 Answers

+1 vote

I may be wrong, its been long time I have left LTE.
As far as I remembers SIB/MIB are part of handover request ack message (on x2 interface) which is sent by the target eNodeB to source eNodeB which is used by the source eNodeB for performing HO.

answer Oct 9, 2013 by Salil Agrawal
+1 vote

As per my understanding, MIB/SIB information of source cell can be used a to update the neighbor relation table at target cell for this source cell if ANR/SON is enabled.

answer Oct 12, 2014 by Veer Pal Singh Yadav
Similar Questions
+3 votes

Suppose I have two eNBs, configured as S1 intra-frequency neighbours and my UE is attached to one of them. There is no X2 connection present between them.
Now, I have done admin down to the source eNB. So, HO process is triggered. As a consequence of this, source eNB sends HO required message to MME.

My query is, in this HO required message, what should be the value of ac-BarringFactor??
Should it be P00 or the last value set before admin down(e.g., P95)?

0 votes

When target eNodeB is not able to allocate resource for all the bearers which comes as part of Handover Request message, it sends handover request ack with partial success since "E-RABs Failed to Setup List" is present in HOReqAck message.
What MME or source eNodeB does in that case ? Does any action taken by MME for the E-RABs which failed to setup at target eNodeB or some other actions taken ?

+3 votes

Lets suppose UE has sent mesurementReport to Source eNB and Source eNB respond with rrcConnectionReconfiguration including Target eNB's infor( PCI..etc). My question is whether UE will first sync in DL direction with target eNB and then sends rrcConnectionReconfiguationComplete. Then UE will read MIB and SIB's ?

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