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Invention Grant
US08014773B2 Mixed mobile communication system of asynchronous communication network and synchronous communication network having handover function of mobile communication terminal, and handover method in the same 有权
具有移动通信终端切换功能的异步通信网络和同步通信网络的混合移动通信系统，以及切换方法相同

Mixed mobile communication system of asynchronous communication network and synchronous communication network having handover function of mobile communication terminal, and handover method in the same
Abstract:
In the mobile communication system, asynchronous and synchronous Mobile Switching Centers (MSCs) are interconnected via an Interworking Interoperability Function (IIF), and are connected to a Dual stack Home Location Register (D-HLR). The D-HLR stores and manages asynchronous subscription and synchronous subscription information of the mobile communication terminal. The IIF stores and manages the synchronous mobile communication system information, receives the synchronous subscription information of the mobile communication terminal from the D-HLR, transmits synchronous system information and the synchronous subscription information of the mobile communication terminal to the synchronous MSC and receives a response from the synchronous MSC, and requests the asynchronous MSC to release a wireless connection when the mobile communication terminal and the synchronous mobile communication system are interconnected and notification of completion of the handover is provided.
Abstract(Chinese):

在移动通信系统中，异步和同步移动交换中心（MSC）通过互通互操作性功能（IIF）互连，并连接到双栈归属位置寄存器（D-HLR）。 D-HLR存储和管理移动通信终端的异步订阅和同步订阅信息。 IIF存储和管理同步移动通信系统信息，从D-HLR接收移动通信终端的同步订阅信息，向同步MSC发送同步系统信息和移动通信终端的同步订阅信息，并接收响应 并且当移动通信终端和同步移动通信系统互连并且提供切换完成的通知时，请求异步MSC释放无线连接。

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