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What is the event for LTE to NR HO?

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Which event is used to trigger LTE to NR HO in stand alone configuration?

posted May 29, 2019 by Jaganathan

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1 Answer

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Since this is also a typical IRAT handover, the event should be B1 based of LTE configuring UE for NR cell measurements and UE reporting a good signal strength/PCI of NR cell in B1 report. Btw, should the query be rephrased "to trigger LTE to NR HO in Non-standalone configuration"?

answer May 30, 2019 by Anshul Grover
In Non stand alone configuration NR cannot handle UE alone, So how does LTE to NR HO is possible in Non stand alone configuration
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In NSA scenario , UE will be connected to LTE and NR cells. If LTE goes out of scope will it HO to NR or will it loose entire signal.

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In 3GPP TS 36.306,
4.3.34.15 eventB2-r15
It said this field defines whether the UE supports event B2. In this release of specification, it is mandatory for a UE supporting NR SA operation to support eventB2-r15.
I don't know why the B2 event is related to NR SA operation. Can you help?

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