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    • 33. 发明申请
    • METHOD AND DEVICE TO SUPPORT INTERWORKING BETWEEN 3G SYSTEM AND SAE SYSTEM
    • 支持3G系统与SAE系统之间的交互的方法和设备
    • WO2009134064A3
    • 2010-01-21
    • PCT/KR2009002235
    • 2009-04-29
    • SAMSUNG ELECTRONICS CO LTDLIANG HUARUI
    • LIANG HUARUI
    • H04W48/18H04W76/02
    • H04W76/022H04W92/02
    • The present invention provides a method and device to support interworking between 3G system and SAE system, and the method includes steps of detecting by PDN-GW if any NON-GBR packet data protocol context exists in all packet data protocol contexts corresponding to a terminal or not; triggering by PDN-GW a packet data protocol context establishment process to ensure that the NON-GBR packet data protocol context is always well established in the network, if there is no NON-GBR packet data protocol context. With the method of the present invention, an LTE terminal accessing through the 3G network can still enjoy services provided by a default bearer after it moves from the 3G network to the SAE network.
    • 本发明提供一种支持3G系统与SAE系统互通的方法和装置,该方法包括以下步骤:由PDN-GW检测在与终端相对应的所有分组数据协议上下文中是否存在NON-GBR分组数据协议上下文 不; 通过PDN-GW触发分组数据协议上下文建立过程,以确保NON-GBR分组数据协议上下文在网络中始终保持良好建立,如果没有NON-GBR分组数据协议上下文。 利用本发明的方法,通过3G网络接入的LTE终端在从3G网络移动到SAE网络之后,仍可享受由默认承载提供的业务。
    • 39. 发明申请
    • HANDOVER METHOD SUPPORTING TERMINAL MOBILITY
    • 支持终端移动的切换方法
    • WO2011142567A3
    • 2012-03-01
    • PCT/KR2011003438
    • 2011-05-09
    • SAMSUNG ELECTRONICS CO LTDLIANG HUARUIWANG HONGXU LIXIANG
    • LIANG HUARUIWANG HONGXU LIXIANG
    • H04W36/32H04W36/14
    • H04W76/064H04W8/082H04W28/04H04W28/06H04W36/08H04W48/02H04W72/00H04W76/028
    • 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,在由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)。