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    • 20. 发明授权
    • System and method for enabling discovery of local service availability in local cellular coverage
    • 用于在本地蜂窝覆盖范围内发现本地服务可用性的系统和方法
    • US09167506B2
    • 2015-10-20
    • US13428660
    • 2012-03-23
    • Stefano FaccinJan Hendrik Lucas Bakker
    • Stefano FaccinJan Hendrik Lucas Bakker
    • H04W40/24H04W48/08H04W76/02H04W80/04H04W84/04
    • H04W48/08H04W76/10H04W76/12H04W80/04H04W84/045
    • LIPA PDN Connectivity indicates a PDP Context (in the case of a GERAN or UTRAN femto cell connected to a GPRS core network) or a PDN Connection (in the case of an E-UTRAN femto cell connected to a GPRS core network) that gives access to services located in the local IP network of the femto cell subsystem. SIPTO PDN Connectivity indicates a PDP Context or PDN Connection that allows offload of selected types of IP traffic (e.g. internet traffic) towards a defined IP network close to the UE's point of attachment to the access network. Remote PDN Connectivity indicates a regular PDP Context or PDN Connection established neither according to LIPA PDN Connectivity nor SIPTO PDN Connectivity. Systems, devices and methods are described herein that enable the identification of the type of connectivity available to a UE and enable session continuity for local cellular coverage.
    • LIPA PDN连接指示给予接入的PDP上下文(在连接到GPRS核心网的GERAN或UTRAN毫微微小区的情况下)或PDN连接(在连接到GPRS核心网络的E-UTRAN毫微微小区的情况下) 到位于毫微微小区子系统的本地IP网络中的服务。 SIPTO PDN连接指示允许将所选类型的IP业务(例如,互联网业务)卸载到靠近UE到接入网络的附接点的定义的IP网络的PDP上下文或PDN连接。 远程PDN连接指示既不是根据LIPA PDN连接也不建立SIPTO PDN连接而建立的常规PDP上下文或PDN连接。 这里描述的系统,设备和方法能够识别可用于UE的连接类型,并且实现本地蜂窝覆盖的会话连续性。