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    Handover apparatus and method in a heterogeneous wireless communication system
    1.
    发明授权
    Handover apparatus and method in a heterogeneous wireless communication system 有权
    异构无线通信系统中的切换装置和方法

    公开(公告)号：US08565772B2

    公开(公告)日：2013-10-22

    申请号：US12053825

    申请日：2008-03-24

    申请人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  Tae-Sun Yeoum ,  Han-Na Lim ,  Jai-Yong Lee ,  Hyun-Duk Jung ,  Kyung-Min Kim

    发明人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  Tae-Sun Yeoum ,  Han-Na Lim ,  Jai-Yong Lee ,  Hyun-Duk Jung ,  Kyung-Min Kim

    IPC分类号： H04W36/00

    CPC分类号： H04W36/30 ,  H04W36/0022 ,  H04W36/0033 ,  H04W80/10 ,  H04W88/06

    摘要： Provided is a handover method, in which a call manager of a network having a Circuit Switching (CS) network, a Long Term Evolution (LTE) network, and an Internet Protocol Multimedia Subsystem (IMS) network, provides handover, from the LTE network to the CS network, to a terminal that uses one radio channel. The handover method includes upon receiving a request for handover from the terminal via a node of the LTE network, establishing a line to a Mobile Switching Center (MSC) of the CS network; sending, to the call manager, a request for a change in a session to another party's terminal in communication with the terminal, to establish an Internet Protocol (IP) bearer between the call manager and the other party's terminal; and sending a handover command to the terminal during the establishment of an IP bearer, to establish a radio channel to the base station of the CS network.

    摘要翻译： 提供了一种切换方法，其中具有电路交换（CS）网络，长期演进（LTE）网络和因特网协议多媒体子系统（IMS）网络的网络的呼叫管理器从LTE网络提供切换 到CS网络，到使用一个无线电信道的终端。 切换方法包括：经由LTE网络的节点从终端接收到切换请求，建立到CS网络的移动交换中心（MSC）的线路; 向所述呼叫管理器发送对与所述终端通信的另一方的终端的会话改变的请求，以在所述呼叫管理器与所述另一方的终端之间建立因特网协议（IP）承载; 以及在建立IP承载期间向终端发送切换命令，以建立到CS网络的基站的无线电信道。

    HANDOVER APPARATUS AND METHOD IN A HETEROGENEOUS WIRELESS COMMUNICATION SYSTEM
    2.
    发明申请
    HANDOVER APPARATUS AND METHOD IN A HETEROGENEOUS WIRELESS COMMUNICATION SYSTEM 有权
    异构无线通信系统中的切换装置和方法

    公开(公告)号：US20080291874A1

    公开(公告)日：2008-11-27

    申请号：US12053825

    申请日：2008-03-24

    申请人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  Tae-Sun Yeoum ,  Han-Na Lim ,  Jai-Yong Lee ,  Hyun-Duk Jung ,  Kyung-Min Kim

    发明人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  Tae-Sun Yeoum ,  Han-Na Lim ,  Jai-Yong Lee ,  Hyun-Duk Jung ,  Kyung-Min Kim

    IPC分类号： H04Q7/00

    CPC分类号： H04W36/30 ,  H04W36/0022 ,  H04W36/0033 ,  H04W80/10 ,  H04W88/06

    摘要： Provided is a handover method, in which a call manager of a network having a Circuit Switching (CS) network, a Long Term Evolution (LTE) network, and an Internet Protocol Multimedia Subsystem (IMS) network, provides handover, from the LTE network to the CS network, to a terminal that uses one radio channel. The handover method includes upon receiving a request for handover from the terminal via a node of the LTE network, establishing a line to a Mobile Switching Center (MSC) of the CS network; sending, to the call manager, a request for a change in a session to another party's terminal in communication with the terminal, to establish an Internet Protocol (IP) bearer between the call manager and the other party's terminal; and sending a handover command to the terminal during the establishment of an IP bearer, to establish a radio channel to the base station of the CS network.

    摘要翻译： 提供了一种切换方法，其中具有电路交换（CS）网络，长期演进（LTE）网络和因特网协议多媒体子系统（IMS）网络的网络的呼叫管理器从LTE网络提供切换 到CS网络，到使用一个无线电信道的终端。 切换方法包括：经由LTE网络的节点从终端接收到切换请求，建立到CS网络的移动交换中心（MSC）的线路; 向所述呼叫管理器发送对与所述终端通信的另一方的终端的会话改变的请求，以在所述呼叫管理器与所述另一方的终端之间建立因特网协议（IP）承载; 以及在建立IP承载期间向终端发送切换命令，以建立到CS网络的基站的无线电信道。

    APPARATUS AND METHOD FOR CALL HANDOVER BETWEEN PACKET NETWORK SYSTEM AND CIRCUIT NETWORK SYSTEM
    4.
    发明申请
    APPARATUS AND METHOD FOR CALL HANDOVER BETWEEN PACKET NETWORK SYSTEM AND CIRCUIT NETWORK SYSTEM 有权
    分组网络系统与电路网络系统之间的呼叫切换的装置和方法

    公开(公告)号：US20090005048A1

    公开(公告)日：2009-01-01

    申请号：US12124321

    申请日：2008-05-21

    申请人： Eun-Hui Bae ,  Sung-Ho Choi ,  Jai-Yong Lee ,  Hyun-Duk Jung ,  Kyung-Min Kim

    发明人： Eun-Hui Bae ,  Sung-Ho Choi ,  Jai-Yong Lee ,  Hyun-Duk Jung ,  Kyung-Min Kim

    IPC分类号： H04Q7/20

    CPC分类号： H04L12/66 ,  H04J11/0093 ,  H04L12/4633 ,  H04L69/08 ,  H04W4/00 ,  H04W8/02 ,  H04W36/14 ,  H04W92/14

    摘要： A method and apparatus for performing handover on a voice call between a packet network system and a circuit network system is provided. Considering a communication environment where a UE cannot simultaneously use radio resources of both the next generation mobile communication system (LTE) and the legacy mobile communication system (e.g., GSM/WCDMA), the present invention proposes an SCSE for performing signal translation between the packet switched network and the circuit switched network and anchoring a voice call in the application level, and supports a continuous voice call using the SCSE.

    摘要翻译： 提供了一种在分组网络系统和电路网络系统之间进行语音呼叫切换的方法和装置。 考虑到UE不能同时使用下一代移动通信系统（LTE）和传统移动通信系统（例如，GSM / WCDMA）的无线电资源的通信环境，本发明提出了一种用于在分组之间执行信号转换的SCSE 交换网络和电路交换网络，并将语音呼叫锚定在应用层面，并支持使用SCSE的连续语音呼叫。