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What is this Blind Handover in LTE? How does it happen in the Network?

+3 votes
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What is this Blind Handover in LTE? How does it happen in the Network?
posted Mar 13, 2014 by Pushpak Chauhan

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1 Answer

+1 vote

When eNodeB starts handover procedure for a UE without doing measurement configuration and considering measurement report, known as blind handover.

answer Mar 13, 2014 by Vimal Kumar Mishra
hi vimal, could tel me the use case of this blind HO (meaning Intra-lte/Inter -lte)
commented Oct 1, 2014 by anonymous
Assume, there are two eNodebs which are operating in different frequency band like band 1 and band 7 and both of them have same over lapping coverage area . In that case there is no need to do measurement related stuff.
Use case: UE demands more bandwidth for new services in that case eNodeB may decide to trigger handover with pre-configured target. Assume target cell accepts handover request with all the bearers. In that case UE moves to target cell and subscriber can get more radio resources. This is one of the use case. There may be another use case as well.
commented Oct 1, 2014 by Vimal Kumar Mishra
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LTE handover: How would be handled this particular scenario under Forward handover ?

I have a use case for forward handover.

What will happen, when UE moves to target eNodeB through forward handover and target eNodeB is connected to a new MME.
I mean to ask what will happen with old session which is already maintained at MME, SGW and PGW. Definitely there is a loss of data packet since UE has already moved to some other eNodeB (target eNodeB) due to RLF.

When UE shal attach to new MME, MME shall send create session request to SGW, and SGW forward it to PGW.
Now question is that how PGW handle this situation, when it receives a new create session request from a new MME for an already existing session(via old mme).

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