Handover Scenarios: UE Transitioning from Cell A to Cell B in 5G Networks

Mobility
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1

Hi Experts.

In a scenario where Cell A has its own Core and Cell B’s service relies on Cell A and its Core, what happens when a UE moves out of Cell A’s coverage and into Cell B’s coverage area?

Which handover (X2 or S1) is preferred in this situation?

Can Cell B still provide services since it depends on Cell A and its Core, given that Cell B does not have its own Core?

2

Are Cell A and Cell B operated by the same operator or different operators?

If they are different, does this imply some form of core network sharing?

3

Same operator.

Yes core network sharing.

4

Same operator two cells in single Ran will be X2 intra cell handover.