Patent ID: 8488552

Claim:
A method in a network node of a cellular mobile communication network for handover of a user equipment, UE, from a first radio base station to a second radio base station, comprising the steps of: determining a last packet to be transmitted to the UE from the first radio base station on a first connection, determining a last packet to be transmitted to the UE from the first radio base station on a second connection; informing the UE of the last packet to be transmitted to the UE from said first radio base station on said first and second connections; transmitting an execution time that is associated with a latest time for performing handover, such that handover is performed when the last packet is received at the UE on at least one of said first and second connections if the last packet is received before the execution time elapses, and the handover is performed at the execution time if the execution time elapses before the last packet to be transmitted on at least one of said first and second connections from the first radio base station is received at the UE.