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    • 4. 发明申请
    • HANDOVER METHOD SUPPORTING TERMINAL MOBILITY
    • 支持终端移动的切换方法
    • WO2011142567A2
    • 2011-11-17
    • PCT/KR2011/003438
    • 2011-05-09
    • SAMSUNG ELECTRONICS CO., LTD.LIANG, HuaruiWANG, HongXU, Lixiang
    • LIANG, HuaruiWANG, HongXU, Lixiang
    • H04W36/32H04W36/14
    • H04W76/064H04W8/082H04W28/04H04W28/06H04W36/08H04W48/02H04W72/00H04W76/19H04W76/34
    • A handover method for supporting terminal mobility is provided. Before a target core network node updates bearer information according to a target base station to which a User Equipment (UE) performs the handover, an access control determination procedure is added. According to the access control determination information provided by the target base station, if it is determined that the bearer supporting a Selected Internet Protocol (IP) Traffic Offload (SIPTO) or Local IP Access (LIPA) service is permitted to perform the handover, the target core network node updates the bearer information. If it is determined that the bearer supporting the SIPTO or LIPA service is not allowed to perform the handover, the handover failure is notified with respect to the bearer not allowed to perform the handover, and the bearer information is not updated, thus the wasted signaling resource and wireless resource are reduced. Alternatively, during the handover to the target network by the UE or after the handover to the target network, the bearer release or deactivation is performed for the bearer not allowed to perform the handover, so that the UE can re-initiate the bearer establishment process with respect to the bearer not allowed to perform the handover, thus an optimized bearer is established and the Quality of Service (QoS) is ensured.
    • 提供了一种用于支持终端移动性的切换方法。 在目标核心网节点根据用户设备(UE)执行切换的目标基站更新承载信息之前,添加访问控制确定过程。 根据由目标基站提供的访问控制确定信息,如果确定支持选定的因特网协议(IP)流量卸载(SIPTO)或本地IP访问(LIPA))服务的承载被执行切换,则 目标核心网节点更新承载信息。 如果确定支持SIPTO或LIPA业务的承载不允许执行切换,就不允许执行切换的承载通知切换失败,并且不更新承载信息,从而浪费信令 资源和无线资源减少。 或者,在UE切换到目标网络期间或在切换到目标网络之后,对不允许执行切换的承载执行承载释放或去激活,使得UE可以重新发起承载建立过程 对于不允许执行切换的承载,由此建立优化的承载并且确保服务质量(QoS)。