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US09232544B2 Connection states for a user entity in a serving gateway of an evolved packet core system 有权
在演进分组核心系统的服务网关中的用户实体的连接状态

Connection states for a user entity in a serving gateway of an evolved packet core system
Abstract:
A serving gateway node (SGW) and a method therefore is being provided being adapted for operating in a network in which a control-plane tunnel between a mobility manage-men! entity (MME) and a serving gateway node (SGW), a control plane tunnel between the serving gateway node (SGW) and a packet gateway node (PGW), and one or more user plane tunnels between the serving gateway node (SGW) and the packet gateway node (PGW), may be set up, the serving gateway (SGW) comprising an application layer control mechanism (APL LR CTRL), interface means, (!F) and a data base (DB). The serving gateway (SGW) is adapted for entering a state of ECM-IDLE (108) and ECM-CONNECTED (110) for a user entity (UE) in question. The serving gateway upon reception of a Modify Bearer Request message (107) may effectuate a setting up one or more user plane tunnels between the serving gateway (SGW) and a base station (eNodeB). The serving gateway (SGW) is being adapted to, upon receiving a Create Session Request message (102) from a packet gateway node, set up a timer (105), which on time-out (114) effectuates the serving gateway to put the user entity in ECM-IDLE (108) even if no Modify Bearer Request (107) is received.
Abstract(Chinese):

因此，正在提供服务网关节点（SGW）和一种方法，其适于在网络中进行操作，网络中的移动管理员之间的控制平面隧道！ 实体（MME）和服务网关节点（SGW），服务网关节点（SGW）和分组网关节点（PGW）之间的控制平面隧道，以及服务网关节点（SGW）和 可以设置分组网关节点（PGW），包括应用层控制机制（APL LR CTRL），接口装置（！F）和数据库（DB）的服务网关（SGW）。 服务网关（SGW）适于为所讨论的用户实体（UE）输入ECM-IDLE（108）和ECM-CONNECTED（110）的状态。 接收到修改承载请求消息（107）的服务网关可以实现在服务网关（SGW）和基站（eNodeB）之间建立一个或多个用户面隧道。 服务网关（SGW）适于在从分组网关节点接收到创建会话请求消息（102）时建立定时器（105），其在超时（114）上实现服务网关以使 即使没有接收到修改承载请求（107），ECM-IDLE（108）中的用户实体也是。

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