Method for controlling handover in a mobile radiocommunications network

The infrastructure and air interface comprises core network and ring the core network network controller, and width ring a controller base station. The encrypted information transmitted by the circuit mode between the core network and terminal by the first communication method, wherein the first main controller, the transmitted by the circuit mode between the core network and terminal by the second communication method, wherein the second main controller. The second groove arranged on, comprising a digital regulation suppression and first via the transmission of the second main controller of the first main controller and migration process. The data indicated device is used for obtaining increasing a current value of are connected to the encrypted information and a orderly gap, comprising unit of serial number and deviation between the second controller (arranged references.