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Anticipated Handovers Slow QoS establishment causes handover delays „Pre-reservation“ of resources prior to handover MN stays connected to the old AR until resource reservation to the new AR has been completed Resource reservation for the new path is initiated by QoS signalling over old path QoS guarantees during handover can be significantly improved, especially for vertical handovers and inter-domain handovers Anticipated handovers can even be initiated when the new AR is out of reach and the new AR is known due to some other algorithm (e.g. movement prediction) |