ScienBiziP, P.C.
Cell handover with minimum mobility interruption
Some of the present implementations provide a method for a user equipment (UE) for performing a handover procedure with minimum mobility interruption. In some of the present implementations, the method receives, at the UE, a reconfiguration message that has an indicator for performing a dual-connectivity based (DC-based) handover procedure. The method then performs the DC-based handover procedure. In some of the present implementations, a packet data convergence protocol (PDCP) entity at the UE maintains different security keys to decipher PDCP packets received from at least one of a source base station and a target base station while the UE is transitioning from the source base station to the target base station, wherein a first security key is associated with the source base station and a second security key is associated with the target base station.
FG Innovation Company Limited
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Hung-Chen
Chen