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A SYSTEM AND METHOD OF PROVIDING USER EQUIPMENT INITIATED AND ASSISTED BACKWARD HANDOVER IN HETEROGENEOUS WIRELESS NETWORKS
A SYSTEM AND METHOD OF PROVIDING USER EQUIPMENT INITIATED AND ASSISTED BACKWARD HANDOVER IN HETEROGENEOUS WIRELESS NETWORKS
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机译:在异构无线网络中提供用户设备启动和辅助的向后切换的系统和方法
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摘要
The present invention relates to the field of mobility in heterogeneous wireless networks. In particular, the invention proposes a system and method of providing User Equipment (UE) initiated and assisted backward handover in the heterogeneous wireless networks. Depending on certain criteria, the UE may decide that if it needs a handover from a serving network to a target network. The UE initiates the backward handover by sending handover request message to the target network through the serving network. The serving network checks for the capabilities of the UE and authorizes the backward handover. The target network prepares for the backward handover and informs the UE when the target network is ready. The UE then starts the handover procedure.
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