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    • 4. 发明申请
    • OPTIMIZATION OF HANDOVERS TO UNTRUSTED NON-3GPP NETWORKS
    • 非手机非3GPP网络的优化
    • WO2010034483A1
    • 2010-04-01
    • PCT/EP2009/006882
    • 2009-09-23
    • PANASONIC CORPORATIONBACHMANN, JensVELEV, GenadiIKEDA, ShinkichiHIRANO, Jun
    • BACHMANN, JensVELEV, GenadiIKEDA, ShinkichiHIRANO, Jun
    • H04L29/06H04W36/00
    • H04W12/08H04L63/164H04W36/0011
    • The invention relates to a method for ensuring IP session continuity upon a handover of a mobile node to a non-3GPP network, wherein an ongoing IP session of the mobile node goes via a packet data network gateway. For non-3GPP networks it is necessary to discover a security gateway and to then establish the corresponding tunnels to the ePDG to form the new data path; a security tunnel between the mobile node and the security gateway, and an IP tunnel between the packet data network gateway and the security gateway. In order to prepare the handover to possible non-3GPP accesses, the two tunnels are pre-established, however maintained deactivated until their use is actually needed. Accordingly, when handing over to the non-3GPP network, the IP session may be continued without any significant interruption by activating the already established tunnels.
    • 本发明涉及一种用于在移动节点切换到非3GPP网络时确保IP会话连续性的方法,其中移动节点的正在进行的IP会话经由分组数据网络网关进行。 对于非3GPP网络,有必要发现安全网关,然后建立到ePDG的相应隧道,以形成新的数据路径; 移动节点和安全网关之间的安全隧道,以及分组数据网络网关和安全网关之间的IP隧道。 为了准备到可能的非3GPP接入的切换,两个隧道是预先建立的,然而保持停用,直到实际需要使用它们为止。 因此,当切换到非3GPP网络时,可以通过激活已经建立的隧道来继续IP会话而没有任何明显的中断。
    • 7. 发明申请
    • DETACHMENT OF A MOBILE TERMINAL FROM A MOBILE COMMUNICATION SYSTEM
    • 移动通信系统移动终端的分离
    • WO2012136311A1
    • 2012-10-11
    • PCT/EP2012/001224
    • 2012-03-20
    • PANASONIC CORPORATIONVELEV, GenadiBACHMANN, JensAOYAMA, TakahisaIKEDA, Shinkichi
    • VELEV, GenadiBACHMANN, JensAOYAMA, TakahisaIKEDA, Shinkichi
    • H04W60/06
    • H04W60/06H04L12/56H04W4/90H04W28/02H04W68/00
    • The invention relates to methods for detaching a mobile terminal from a mobile communication network. Furthermore, the invention also relates to a mobile terminal and a mobility management entity that perform these methods. The invention is inter alia applicable to a 3GPP LTE-A system following the Evolved Packet System (EPS) architecture. The invention proposes that the detach procedure of a mobile terminal is triggered by the mobile terminal being transferred into idle state. The mobility management entity can trigger the detach procedure in response to this event. The detach procedure may be deferred by a given time span. A detach timer may be configured in the mobile terminal and the mobility entity for this purpose, and upon expiry of the detach timer in the mobile terminal and the mobility management entity, both silently delete the context information related to the mobile terminal's user plane and control plane to detach the mobile terminal.
    • 本发明涉及从移动通信网络分离移动终端的方法。 此外,本发明还涉及执行这些方法的移动终端和移动性管理实体。 本发明特别适用于遵循演进分组系统(EPS)架构的3GPP LTE-A系统。 本发明提出,移动终端的分离过程由移动终端转入空闲状态来触发。 移动管理实体可以触发响应于该事件的分离过程。 分离过程可能会延迟给定的时间跨度。 为了这个目的,移动终端和移动性实体可以配置分离定时器,并且在移动终端和移动性管理实体中的分离定时器期满时,都静默地删除与移动终端的用户面相关的上下文信息和控制 飞机拆卸移动终端。
    • 8. 发明申请
    • ENHANCEMENT OF THE ATTACHMENT PROCEDURE FOR RE-ATTACHING A UE TO A 3GPP ACCESS NETWORK
    • 将UE重新连接到3GPP接入网络的附件程序的增强
    • WO2011050928A1
    • 2011-05-05
    • PCT/EP2010/006473
    • 2010-10-22
    • PANASONIC CORPORATIONVELEV, GenadiBACHMANN, JensIKEDA, Shinkichi
    • VELEV, GenadiBACHMANN, JensIKEDA, Shinkichi
    • H04W76/04H04W36/14H04W88/06
    • H04W36/0011H04W76/22
    • The invention relates to methods for (re)attaching a UE to a 3GPP access network and for storing bearer context information of a UE upon handover from a 3GPP access network to a non-3GPP access network. Furthermore, the invention relates to 3GPP network nodes, such as mobility management entity, serving gateway and packed data gateway, and a UE that are specially adapted to perform these methods. In order to decrease of the delay time during (re)attachment of a UE to a 3GPP access network, the invention proposes to maintain context information on data bearer(s) of a UE within the 3GPP access network and the UE, while the UE is not attached to the 3GPP access network, so that data bearer context information for this UE is available and can be used for the (re)activation of data bearer(s) once the UE is attaching to the 3GPP access network again.
    • 本发明涉及用于(重新)将UE连接到3GPP接入网络并用于在从3GPP接入网到非3GPP接入网切换时存储UE的承载上下文信息的方法。 此外,本发明涉及3GPP网络节点,例如移动性管理实体,服务网关和打包数据网关,以及专门用于执行这些方法的UE。 为了减少(重新)将UE连接到3GPP接入网络期间的延迟时间,本发明提出在3GPP接入网络和UE内维护关于UE的数据承载的上下文信息,而UE 不附加到3GPP接入网络,使得该UE的数据承载上下文信息是可用的,并且一旦UE再次附着到3GPP接入网络就可以用于(重新)激活数据承载。