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公开(公告)号：US08289927B2
公开(公告)日：2012-10-16
申请号：US12650085
申请日：2009-12-30
IPC分类号： H04W4/00
CPC分类号： H04W36/02
摘要： A method of data forwarding during handover in a mobile communication system is provided. The mobile communication system comprising a plurality of base stations and a base station, the base station being coupled to a gateway, a telecommunication link being established between a user equipment and the base station. The method comprising: selecting a set of base station from the plurality of base stations as candidate base stations for a handover of the user equipment by the base station; selecting a first target base station for handover from the set of base stations by the base station; obtaining downlink data from a gateway and up-link data from a user equipment by the base station; forwarding the uplink and downlink data from the base station to the first target base station.
摘要翻译： 提供了一种在移动通信系统中的切换期间的数据转发方法。 所述移动通信系统包括多个基站和基站，所述基站耦合到网关，建立在用户设备与所述基站之间的电信链路。 所述方法包括：从所述多个基站中选择一组基站作为用于所述基站的所述用户设备的切换的候选基站; 从所述基站选择用于从所述一组基站进行切换的第一目标基站; 从网关获取下行链路数据，由基站从用户设备获取上行链路数据; 将上行链路和下行链路数据从基站转发到第一目标基站。
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公开(公告)号：US08200224B2
公开(公告)日：2012-06-12
申请号：US12648055
申请日：2009-12-28
IPC分类号： H04W36/08
CPC分类号： H04W36/0088 , H04W36/0016
摘要： The invention relates to a handover method in a base station of a mobile communication system, the mobile communication system further comprising a plurality of base stations. A telecommunication link being established between a user equipment and the base station, the method comprises: receiving a first measurement report from the user equipment; selecting a first candidate base station using the evaluation of the signal quality from the first measurement report; initiating a first handover preparation by transmitting a first request to the first candidate base station; determining if the first handover preparation has failed; selecting a set of candidate base stations including at least some of the candidate base stations identified in the first measurement report; initiating a second handover preparation by transmitting a second handover request to at least one of the set of candidate base stations, if the first handover preparation has failed; selecting a target base station from the set of candidate base stations, if the second handover preparation has not failed; initiating the handover of the user equipment from the base station to the target base station.
摘要翻译： 本发明涉及移动通信系统的基站中的切换方法，该移动通信系统还包括多个基站。 在用户设备和基站之间建立的电信链路，所述方法包括：从所述用户设备接收第一测量报告; 使用来自第一测量报告的信号质量的评估来选择第一候选基站; 通过向第一候选基站发送第一请求来发起第一切换准备; 确定第一切换准备是否已经失败; 选择一组候选基站，其包括在第一测量报告中识别的至少一些候选基站; 如果第一切换准备已经失败，则通过向所述一组候选基站中的至少一个发送第二切换请求来发起第二切换准备; 如果第二切换准备没有失败，则从所述候选基站组中选择目标基站; 启动用户设备从基站到目标基站的切换。
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3.发明申请Method and apparatus for radio link failure recovery in a wireless communications network 有权无线通信网络中无线链路故障恢复的方法和装置公开(公告)号：US20090046578A1
公开(公告)日：2009-02-19
申请号：US12221904
申请日：2008-08-07
申请人： Osman Aydin , Hajo-Erich Bakker , Heidrun Grob-Lipski , Markus Gruber , Stephen Kaminski , Klaus Keil , Sudeep Kumar Palat
发明人： Osman Aydin , Hajo-Erich Bakker , Heidrun Grob-Lipski , Markus Gruber , Stephen Kaminski , Klaus Keil , Sudeep Kumar Palat
IPC分类号： G06F11/00
摘要： In a wireless network, for example, an LTE network, the context information relating to a mobile terminal UE is transmitted to a plurality of network nodes eNB 2, 3 and 4 from a source network node, eNB 1. One of the eNB 2 is a handover target node and also reserves resources for the UE in anticipation of receiving it after handover. The other eNBs 3 and 4 do not reserve resources. In the event of radio link failure, the UE may attach to one of the designated eNBs 3 and 4 that have not reserved resources, but that do recognize the UE because they have received its context. The method reduces the likelihood of the UE needing to go via the time consuming IDLE state while only reserving resources at a handover target eNB.
摘要翻译： 在无线网络中，例如LTE网络，将与移动终端UE有关的上下文信息从源网络节点eNB 1发送到多个网络节点eNB 2,3和4. eNB 2之一 切换目标节点，并且还为UE预留在切换之后接收它的资源。 其他eNB 3和4不预留资源。 在无线电链路故障的情况下，UE可以附着到没有预留资源的指定的eNB 3和4中的一个，但是由于已经接收到它的上下文，所以确认该UE。 该方法降低了UE需要经过耗时IDLE状态的可能性，同时仅在切换目的地eNB处保留资源。
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公开(公告)号：US09668177B2
公开(公告)日：2017-05-30
申请号：US13058585
申请日：2009-08-11
CPC分类号： H04W36/0033 , H04W28/18 , H04W76/19 , H04W92/20
摘要： A method for handover in a wireless communications network includes the step of communicating information between a target network node and a source network node to enable the source network node to identify and to distinguish types of failures prior to, during or after handover. The information may relate to: “Handover command not received” due to RLF prior to handover or Handover command failure experienced in the source cell; or “Handover failure” where “Handover command received” is followed by Access failure in the target cell. The method is applicable, for example, to networks in accordance with LTE.
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公开(公告)号：US20110207452A1
公开(公告)日：2011-08-25
申请号：US13058585
申请日：2009-08-11
IPC分类号： H04W24/00
CPC分类号： H04W36/0033 , H04W28/18 , H04W76/19 , H04W92/20
摘要： A method for handover in a wireless communications network includes the step of communicating information between a target network node and a source network node to enable the source network node to identify and to distinguish types of failures prior to, during or after handover. The information may relate to: “Handover command not received” due to RLF prior to handover or Handover command failure experienced in the source cell; or “Handover failure” where “Handover command received” is followed by Access failure in the target cell. The method is applicable, for example, to networks in accordance with LTE.
摘要翻译： 在无线通信网络中切换的方法包括在目标网络节点和源网络节点之间传送信息的步骤，以使得源网络节点能够在切换之前，之中或之后识别和区分故障类型。 该信息可以涉及：在切换之前由于RLF而导致的“切换命令未被接收”或源小区中经历的切换命令失败; 或“切换命令接收到”的“切换失败”后跟在目标单元格中的访问失败。 该方法例如适用于根据LTE的网络。
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公开(公告)号：US20100165850A1
公开(公告)日：2010-07-01
申请号：US12650085
申请日：2009-12-30
CPC分类号： H04W36/02
摘要： The invention relates to a method of data forwarding during handover in a mobile communication system, the mobile communication system comprising a plurality of base stations and a base station, the base station being coupled to a gateway, a telecommunication link being established between a user equipment and the base station, the method comprising: selecting a set of base station from the plurality of base stations as candidate base stations for a handover of the user equipment by the base station; selecting a first target base station for handover from the set of base stations by the base station; obtaining downlink data from a gateway and up-link data from a user equipment by the base station; forwarding the uplink and downlink data from the base station to the first target base station. The method further comprises: detecting a handover or radio link failure by the user equipment;—transmitting a connection establishment message to a second target base station of the set of base stations by the user equipment; accepting access request of the user equipment by the second target base station; transmitting a message by the second target base station to the base station, the message being indicative of access of the user equipment to the second target base station; and forwarding the uplink and downlink data to the second target base station.
摘要翻译： 本发明涉及移动通信系统中切换期间的数据转发方法，所述移动通信系统包括多个基站和基站，所述基站耦合到网关，电信链路建立在用户设备 以及所述基站，所述方法包括：从所述多个基站中选择一组基站作为所述基站对所述用户设备的切换的候选基站; 从所述基站选择用于从所述一组基站进行切换的第一目标基站; 从网关获取下行链路数据，由基站从用户设备获取上行链路数据; 将上行链路和下行链路数据从基站转发到第一目标基站。 该方法还包括：用户设备检测切换或无线链路故障; - 由用户设备将连接建立消息发送到该组基站的第二目标基站; 接受第二目标基站对用户设备的接入请求; 将所述第二目标基站的消息发送到所述基站，所述消息指示所述用户设备接入所述第二目标基站; 以及将所述上行链路和下行链路数据转发到所述第二目标基站。
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7.发明授权Method and apparatus for radio link failure recovery in a wireless communications network 有权无线通信网络中无线链路故障恢复的方法和装置公开(公告)号：US08054806B2
公开(公告)日：2011-11-08
申请号：US12221904
申请日：2008-08-07
申请人： Osman Aydin , Hajo-Erich Bakker , Heidrun Grob-Lipski , Markus Gruber , Stephen Kaminski , Klaus Keil , Sudeep Kumar Palat
发明人： Osman Aydin , Hajo-Erich Bakker , Heidrun Grob-Lipski , Markus Gruber , Stephen Kaminski , Klaus Keil , Sudeep Kumar Palat
IPC分类号： G08C17/00
摘要： In a wireless network, for example, an LTE network, the context information relating to a mobile terminal UE is transmitted to a plurality of network nodes eNB 2, 3 and 4 from a source network node, eNB 1. One of the eNB 2 is a handover target node and also reserves resources for the UE in anticipation of receiving it after handover. The other eNBs 3 and 4 do not reserve resources. In the event of radio link failure, the UE may attach to one of the designated eNBs 3 and 4 that have not reserved resources, but that do recognize the UE because they have received its context. The method reduces the likelihood of the UE needing to go via the time consuming IDLE state while only reserving resources at a handover target eNB.
摘要翻译： 在无线网络中，例如LTE网络，将与移动终端UE有关的上下文信息从源网络节点eNB 1发送到多个网络节点eNB 2,3和4. eNB 2之一 切换目标节点，并且还为UE预留在切换之后接收它的资源。 其他eNB 3和4不预留资源。 在无线电链路故障的情况下，UE可以附着到没有预留资源的指定的eNB 3和4中的一个，但是由于已经接收到它的上下文，所以确认该UE。 该方法降低了UE需要经过耗时IDLE状态的可能性，同时仅在切换目的地eNB处保留资源。
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公开(公告)号：US20100167744A1
公开(公告)日：2010-07-01
申请号：US12648055
申请日：2009-12-28
IPC分类号： H04W36/08
CPC分类号： H04W36/0088 , H04W36/0016
摘要： The invention relates to a handover method in a base station of a mobile communication system, the mobile communication system further comprising a plurality of base stations. A telecommunication link being established between a user equipment and the base station, the method comprises: receiving a first measurement report from the user equipment; selecting a first candidate base station using the evaluation of the signal quality from the first measurement report; initiating a first handover preparation by transmitting a first request to the first candidate base station; determining if the first handover preparation has failed; selecting a set of candidate base stations including at least some of the candidate base stations identified in the first measurement report; initiating a second handover preparation by transmitting a second handover request to at least one of the set of candidate base stations, if the first handover preparation has failed; selecting a target base station from the set of candidate base stations, if the second handover preparation has not failed; initiating the handover of the user equipment from the base station to the target base station.
摘要翻译： 本发明涉及移动通信系统的基站中的切换方法，该移动通信系统还包括多个基站。 在用户设备和基站之间建立的电信链路，所述方法包括：从所述用户设备接收第一测量报告; 使用来自第一测量报告的信号质量的评估来选择第一候选基站; 通过向第一候选基站发送第一请求来发起第一切换准备; 确定第一切换准备是否已经失败; 选择一组候选基站，其包括在第一测量报告中识别的至少一些候选基站; 如果第一切换准备已经失败，则通过向所述一组候选基站中的至少一个发送第二切换请求来发起第二切换准备; 如果第二切换准备没有失败，则从所述候选基站组中选择目标基站; 启动用户设备从基站到目标基站的切换。
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公开(公告)号：US09008719B2
公开(公告)日：2015-04-14
申请号：US13391029
申请日：2010-08-11
申请人： Hajo-Erich Bakker , Anton Ambrosy
发明人： Hajo-Erich Bakker , Anton Ambrosy
CPC分类号： H04W24/10 , H04W36/0055 , H04W36/08
摘要： The present invention relates to a method for acquiring radio measurements in a mobile communication system. In accordance with one embodiment of the invention, the method comprises the steps of.—within a serving cell (A) operated by a radio access node (eNBA) and serving a particular user equipment (UEX), sending measurement control information (meas_ctrl_info) from said radio access node to said particular user equipment whereby said particular user equipment is configured to perform radio measurements,—within a further serving cell (B) operated by a further radio access node (eNBB) and subsequently serving said particular user equipment, sending a measurement report (meas_report) from said particular user equipment to said further radio access node comprising measurement data (meas_data) as configured by said serving cell and a cell identifier (PCIA) of said serving cell,—transferring said measurement data from said further radio access node back to said radio access node. The present invention also relates to a user equipment and to a radio access node operable to form part of a mobile communication system.
摘要翻译： 本发明涉及一种在移动通信系统中获取无线电测量的方法。 根据本发明的一个实施例，该方法包括以下步骤：在由无线电接入节点（eNBA）操作并服务于特定用户设备（UEX）的服务小区（A）内，发送测量控制信息（meas_ctrl_info） 从所述无线电接入节点到所述特定用户设备，由此所述特定用户设备被配置为执行无线电测量，并且在由另一个无线电接入节点（eNBB）操作并且随后服务于所述特定用户设备的另外的服务小区（B）中，发送 从所述特定用户设备到所述另外的无线电接入节点的测量报告（meas_report）包括由所述服务小区配置的测量数据（meas_data）和所述服务小区的小区标识符（PCIA）， - 将所述测量数据从所述另外的无线电 接入节点返回到所述无线接入节点。 本发明还涉及用户设备和可操作以形成移动通信系统的一部分的无线电接入节点。
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公开(公告)号：US20120149431A1
公开(公告)日：2012-06-14
申请号：US13391029
申请日：2010-08-11
申请人： Hajo-Erich Bakker , Anton Ambrosy
发明人： Hajo-Erich Bakker , Anton Ambrosy
CPC分类号： H04W24/10 , H04W36/0055 , H04W36/08
摘要： The present invention relates to a method for acquiring radio measurements in a mobile communication system. In accordance with one embodiment of the invention, the method comprises the steps of.—within a serving cell (A) operated by a radio access node (eNBA) and serving a particular user equipment (UEX), sending measurement control information (meas_ctrl_info) from said radio access node to said particular user equipment whereby said particular user equipment is configured to perform radio measurements,—within a further serving cell (B) operated by a further radio access node (eNBB) and subsequently serving said particular user equipment, sending a measurement report (meas_report) from said particular user equipment to said further radio access node comprising measurement data (meas_data) as configured by said serving cell and a cell identifier (PCIA) of said serving cell,—transferring said measurement data from said further radio access node back to said radio access node. The present invention also relates to a user equipment and to a radio access node operable to form part of a mobile communication system.
摘要翻译： 本发明涉及一种在移动通信系统中获取无线电测量的方法。 根据本发明的一个实施例，该方法包括以下步骤：在由无线电接入节点（eNBA）操作并服务于特定用户设备（UEX）的服务小区（A）内，发送测量控制信息（meas_ctrl_info） 从所述无线电接入节点到所述特定用户设备，由此所述特定用户设备被配置为执行无线电测量，并且在由另一个无线电接入节点（eNBB）操作并且随后服务于所述特定用户设备的另外的服务小区（B）中，发送 从所述特定用户设备到所述另外的无线电接入节点的测量报告（meas_report）包括由所述服务小区配置的测量数据（meas_data）和所述服务小区的小区标识符（PCIA）， - 将所述测量数据从所述另外的无线电 接入节点返回到所述无线接入节点。 本发明还涉及用户设备和可操作以形成移动通信系统的一部分的无线电接入节点。
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