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Packet data protocol context management for handover from cellular network to a femto cell

机译:用于从蜂窝网络切换到毫微微小区的分组数据协议上下文管理

摘要

Packet data protocol (PDP) contexts are managed upon cellular-to-femto handover, wherein femto network has disparate capabilities to support applications with distinct access point names (APNs) and quality of service (QoS) profiles. Based at least on activity factors of applications associated with PDP contexts, a QoS-based ranking of PDP contexts, and subscriber input, cellular network platform selects active PDP contexts to retain and suspend upon handover. A group of active PDP contexts is handed off in accordance with femto coverage capability, with remaining active PDP contexts suspended during handover. When a suspended PDP context, and application associated therewith, is resumed through femto coverage, a PDP context modification is conducted with a new APN and the application is routed to a corresponding femto gateway node and application server. Additionally, femto network platform performs a radio access bearer reconfiguration to meet QoS requirements of the resumed PDP context.
机译:分组数据协议(PDP)上下文是在蜂窝到毫微微移交时进行管理的,其中,毫微微网络具有不同的功能来支持具有不同接入点名称(APN)和服务质量(QoS)配置文件的应用程序。至少基于与PDP上下文相关联的应用程序的活动因素,基于QoS的PDP上下文排名以及用户输入,蜂窝网络平台选择活动的PDP上下文以在切换时保留和暂停。根据毫微微覆盖能力来切换一组活动的PDP上下文,而其余的活动PDP上下文在切换期间被挂起。当通过毫微微覆盖恢复挂起的PDP上下文及其相关联的应用程序时,将使用新的APN进行PDP上下文修改,并将该应用程序路由到相应的毫微微网关节点和应用程序服务器。另外,毫微微网络平台执行无线电接入承载重新配置,以满足恢复的PDP上下文的QoS要求。

著录项

  • 公开/公告号US9497669B2

    专利类型

  • 公开/公告日2016-11-15

    原文格式PDF

  • 申请/专利权人 AT&T MOBILITY II LLC;

    申请/专利号US201514805095

  • 发明设计人 YUNG SHIRLEY CHOI-GROGAN;

    申请日2015-07-21

  • 分类号H04W36;H04W16/32;H04W36/04;H04W84/04;

  • 国家 US

  • 入库时间 2022-08-21 13:42:22

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