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公开(公告)号：US09596275B2
公开(公告)日：2017-03-14
申请号：US14789725
申请日：2015-07-01
发明人： Ralf Keller , Andreas Witzel , Arne Pehrsson , Stephen Terrill
CPC分类号： H04L65/1073 , H04L29/06027 , H04L65/1006 , H04L67/10 , H04L67/24 , H04L67/2838 , H04M7/0081
摘要： A technique is described allowing an IMS enabled network to terminate a communication request directed towards a user device in a well-defined way, even for cases in which multiple registrations for IMS are present that are related to the same physical user device. A method embodiment of this technique comprises registering multiple user agents for one and the same user device, wherein from each user agent contact information including a device ID identifying the user device is provided; and processing a communication request directed towards the user device, the processing comprising identifying multiple identical device IDs of registered contacts, and treating the communication request according to a predetermined handling scheme related to the detection of identical device IDs.
摘要翻译： 描述了允许IMS使能的网络以明确定义的方式终止针对用户设备的通信请求的技术，即使存在与同一物理用户设备相关的用于IMS的多个注册的情况。 该技术的方法实施例包括为同一用户设备登记多个用户代理，其中从每个用户代理提供包括标识用户设备的设备ID的联系信息; 以及处理针对所述用户设备的通信请求，所述处理包括识别登记的联系人的多个相同的设备ID，以及根据与相同设备ID的检测相关的预定处理方案来处理所述通信请求。
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公开(公告)号：US09521590B2
公开(公告)日：2016-12-13
申请号：US14178549
申请日：2014-02-12
发明人： Ralf Keller , Ann-Christine Sander
IPC分类号： H04W36/00 , H04W36/28 , H04W76/02 , H04W76/04 , H04W72/10 , H04L12/851 , H04W48/18 , H04W72/04 , H04L12/24 , H04L12/66 , H04L29/12
CPC分类号： H04W36/0022 , H04W36/0027 , H04W36/28
摘要： The present invention relates to a method of operating a radio access node (10) adapted to handle multiple bearers, a related radio access node (10), a method of operating a network control node (36) adapted to control the radio access node (10) handling multiple bearers, a communication system adapted to control multiple bearers, a computer program and a computer program product. Multiple bearers comprise a first packet switched bearer related to a voice service and at least one second packet switched bearer. Upon change of an operative condition for a first packet switched bearer a transfer of a voice service is initiated (S10) from the first packet switched bearer to a circuit switched bearer. This is followed by a decision (S12) on initiation of a handover for the second packet switched bearer, parallel to the transfer of the voice service, from a first packet switched access to a second packet switched access based on bearer control information indicating possibility of a parallel handover. The bearer control information is either pre-configured at the radio access node (10) or received from the network control node (36).
摘要翻译： 本发明涉及一种操作适于处理多个承载的无线接入节点（10）的方法，相关的无线电接入节点（10），一种操作适于控制无线接入节点的网络控制节点（36）的方法 10）处理多个承载，适于控制多个承载的通信系统，计算机程序和计算机程序产品。 多个承载包括与语音服务相关的第一分组交换承载和至少一个第二分组交换承载。 在改变第一分组交换承载的操作条件时，开始从第一分组交换承载到电路交换承载的语音服务的传送（S10）。 接下来是基于承载控制信息的指示可能性的决定（S12），用于启动与第二分组交换承载相关的第二分组交换承载的切换，并行于语音服务的传送，从第一分组交换接入开始到第二分组交换接入 并行切换。 承载控制信息是在无线接入节点（10）预先配置的，或者从网络控制节点（36）接收的。
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公开(公告)号：US09467907B2
公开(公告)日：2016-10-11
申请号：US14383619
申请日：2012-10-10
CPC分类号： H04W36/0022 , H04L65/1006 , H04L65/1016 , H04L65/1083 , H04W4/90
摘要： A solution is presented that includes a method of performing a Single Radio Voice Call Continuity, SRVCC, handover of a telecommunications call established by a User Equipment, UE accessing a serving network using a Packet Switched, PS, access. The serving network includes a serving IMS network and the call is a UE-undetected emergency call anchored in the serving IMS network. The method includes receiving an indication from the serving network that the established call is a UE-undetected emergency call anchored in the serving IMS network. A SRVCC handover request to hand over the call from the PS access to a Circuit Switched, CS, access is received. Handover of the call is initiated so that an Emergency Session Transfer Number-Single Radio, E-STN-SR, is used and the call continues to be routed through the IMS network in which it is anchored.
摘要翻译： 提出了一种解决方案，其包括执行单无线电语音呼叫连续性，SRVCC，由用户设备建立的电信呼叫的切换，UE使用分组交换，PS访问来访问服务网络的方法。 服务网络包括服务IMS网络，并且呼叫是锚定在服务IMS网络中的UE未检测到的紧急呼叫。 所述方法包括从所述服务网络接收所建立的呼叫是锚定在所述服务IMS网络中的UE未检测到的紧急呼叫的指示。 接收到从PS访问将电话切换到电路交换的CS访问的SRVCC切换请求。 启动呼叫的切换，使得使用紧急会话转移号码 - 单个无线电E-STN-SR，并且该呼叫继续通过其所锚定的IMS网络路由。
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公开(公告)号：US09456390B2
公开(公告)日：2016-09-27
申请号：US14755349
申请日：2015-06-30
发明人： Ralf Keller , Fredrik Lindholm , Jian Wang
CPC分类号： H04W36/0022 , H04L65/1016 , H04L69/40 , H04W36/0033 , H04W36/165 , H04W36/30 , H04W80/10
摘要： A method and apparatus for maintaining service continuity for User Equipment accessing an IP Multimedia Subsystem communication network. A routing identifier is established that identifies a Service Centralization and Continuity Application Server allocated to the User Equipment. The routing identifier is sent to the User Equipment. In the event of disruption to the service between the User Equipment and the Service Centralization and Continuity Application Server, a handover message is sent from the User Equipment via a Circuit Switched access network. The handover message includes the routing identifier, and is then forwarded to the identified Service Centralization and Continuity Application Server. This allows the same Service Centralization and Continuity Application Server to be used after the handover as was used before the handover, thereby providing service continuity.
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5.发明申请公开(公告)号：US20140307706A1
公开(公告)日：2014-10-16
申请号：US13879526
申请日：2013-04-12
发明人： Ralf Keller , Peter Hedman , Fredrik Lindholm
IPC分类号： H04W36/00
CPC分类号： H04W36/0022 , H04W8/04
摘要： A subscriber database maintains a data record related to a user equipment. The subscriber database receives an indication from a control node which is responsible for controlling a plurality of packet switched network accesses, The indication indicates whether voice communication with the user equipment over circuit switched access is supported or unsupported homogeneously for all the network accesses controlled by the control node. The subscriber database stores the indication in the data record. If the subscriber database receives a request from a termination control node which is responsible for controlling termination of a voice session with the user equipment, it processes the request depending on the stored indication. In some cases, if the indication indicates that voice communication with the user equipment over circuit switched access is unsupported homogeneously, the subscriber database may reject the request without further interaction with other nodes.
摘要翻译： 用户数据库维护与用户设备相关的数据记录。 订户数据库从负责控制多个分组交换网络接入的控制节点接收指示。该指示指示是否支持或不支持对用户设备过电路交换接入进行的所有网络访问的所有网络访问 控制节点。 订户数据库将指示存储在数据记录中。 如果订户数据库从终端控制节点接收到负责控制与用户设备的语音会话终止的请求，则根据所存储的指示处理该请求。 在某些情况下，如果指示表明与用户设备过电路交换接入的语音通信不均匀地支持，则订户数据库可以拒绝该请求而不与其他节点进行进一步的交互。
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6.发明申请HANDLING A TERMINATING CIRCUIT SWITCHED SIGNALING SERVICE TO A TERMINAL IN A MOBILE NETWORK 审中-公开处理终端电路切换信令服务到移动网络终端公开(公告)号：US20140204905A1
公开(公告)日：2014-07-24
申请号：US14158366
申请日：2014-01-17
发明人： Karl-Peter RANKE , Sven Gemski , Ralf Keller
IPC分类号： H04W36/00
CPC分类号： H04W36/0022 , H04W36/12 , H04W60/00
摘要： Methods, nodes, computer programs and a mobile network for handling a terminating circuit switched signaling service to a terminal in a mobile network are described. A method of handling a terminating circuit switched signaling service to a terminal in a mobile network is described. The signaling service is distinct from a call. The mobile network comprises a first control node and a second control node. The method is performed by the first control node. The method comprises receiving signaling information for terminating the circuit switched signaling service to the terminal, subsequent to the step of receiving, detecting that the terminal has requested a location update from a second control node of the mobile network, and, based on the step of detecting, forwarding the received signaling information to the second control node.
摘要翻译： 描述了用于处理终端电路交换信令服务到移动网络中的终端的方法，节点，计算机程序和移动网络。 描述了一种处理移动网络中的终端的终端电路交换信令服务的方法。 信令服务与呼叫不同。 移动网络包括第一控制节点和第二控制节点。 该方法由第一控制节点执行。 所述方法包括：在所述终端接收到检测到所述终端已经从所述移动网络的第二控制节点请求位置更新的步骤之后，接收用于终止所述终端的所述电路交换信令服务的信令信息，并且基于所述步骤 检测，将所接收的信令信息转发到第二控制节点。
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公开(公告)号：US10827392B2
公开(公告)日：2020-11-03
申请号：US15072997
申请日：2016-03-17
IPC分类号： H04W36/00 , H04L29/06 , H04M7/12 , H04W8/04 , H04W28/12 , H04W80/10 , H04W76/12 , H04W76/10 , H04W8/08 , H04W80/04 , H04W88/02 , H04W88/12 , H04W88/14 , H04W88/16
摘要： A method of anchoring a packet switched session of a subscriber comprises receiving a packet switched request for a session setup, and anchoring the packet switched session in a control node (MSC-S) of a visited network of the subscriber.
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公开(公告)号：US10716033B2
公开(公告)日：2020-07-14
申请号：US15873569
申请日：2018-01-17
发明人： Fredrik Lindholm , Ralf Keller
摘要： A method and apparatus for transferring a session from a packet switched access network to a circuit switched access network. A Mobility Management Entity receives a service type indicator from a gateway node. The service type indicator indicates a type of service for the session, and is associated with bearers used for the session. The Mobility Management Entity subsequently receives, from an eNodeB, an indication that the session is to be transferred from the packet switched network to the circuit switched access network. The Mobility Management Entity determines the bearers associated with the session using the service type indicator, and initiates transfer of the session using those bearers. This ensures that the correct bearers are transferred regardless of whether or not identifiers such as QCI values have been ascribed to other types of service.
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9.发明授权公开(公告)号：US10356668B2
公开(公告)日：2019-07-16
申请号：US14158366
申请日：2014-01-17
发明人： Karl-Peter Ranke , Sven Gemski , Ralf Keller
摘要： Methods, nodes, computer programs and a mobile network for handling a terminating circuit switched signaling service to a terminal in a mobile network are described. A method of handling a terminating circuit switched signaling service to a terminal in a mobile network is described. The signaling service is distinct from a call. The mobile network comprises a first control node and a second control node. The method is performed by the first control node. The method comprises receiving signaling information for terminating the circuit switched signaling service to the terminal, subsequent to the step of receiving, detecting that the terminal has requested a location update from a second control node of the mobile network, and, based on the step of detecting, forwarding the received signaling information to the second control node.
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公开(公告)号：US09924414B2
公开(公告)日：2018-03-20
申请号：US14401150
申请日：2013-05-15
发明人： Ralf Keller , Peter Hedman , Fredrik Lindholm
CPC分类号： H04W36/0022
摘要： The invention relates to methods and nodes for supporting a session transfer, for a user equipment, from a circuit switched network to a packets witched network. According to one aspect a method for operating a control node of a core network is provided. The method comprises the steps: requesting from a radio access network of the circuit switched network information on whether a capability of the user equipment related to the session transfer are compatible with a network configuration related to the session transfer; receiving from the radio access network an indication whether the capability of the user equipment and the network configuration are compatible; determining whether to indicate that the session transfer is supported by using the received compatibility indication; and setting an indication whether the session transfer is supported according to the determination.
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