Patent ID: 8995399
Filing Date: 2015-03-31
Classification: H04W

Abstract:
1. A method for implementing User Equipment (UE) handover, comprising: obtaining, by an Interworking Function (IWF), address information of a Mobility Management Entity (MME) which a UE is registered with, by interacting with the UE; and obtaining, by the IWF, address information of a Handover Selection Function (HOSF) according to the address information of the MME; sending, by the IWF, address information of the IWF and an identifier (ID) of the UE to the HOSF corresponding to the address information of the HOSF; receiving, by the IWF, a handover request, wherein the handover request is sent by the HOSF to the IWF according to the address information of the IWF and the ID of the UE; converting, by the IWF, the handover request into a circuit switched (CS) handover request.