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公开(公告)号：US11825357B2
公开(公告)日：2023-11-21
申请号：US17270009
申请日：2018-08-22
发明人： Linnea Faxén , Stefan Engström , Stefan Johansson
CPC分类号： H04W36/0033 , H04W36/00835 , H04W36/32 , H04W76/11 , H04W76/19 , H04W76/30
摘要： The invention relates to methods and devices for enabling a connection of a wireless communication device released by a source radio base station to be resumed by a target radio base station. In a first aspect, a method of a source radio base station of enabling a connection of a wireless communication device released by the source radio base station to be resumed by a target radio base station is provided. The method comprises acquiring an indication that a connection established with the wireless communication device is to be released, identifying a target base station with which the connection to be released can be resumed for the wireless communication device, and transmitting, to the identified target base station, information required to resume the connection to be released by the source base station for the wireless communication device.
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公开(公告)号：US20220369194A1
公开(公告)日：2022-11-17
申请号：US17765370
申请日：2020-10-02
发明人： Malik Wahaj Arshad , Stefan Engström , Parisa Pakniat , Ali Parichehrehteroujeni , Pradeepa Ramachandra , Kristina Zetterberg , Tahmineh Torabian Esfahani
摘要： A user equipment (“UE”) can receive a request for UE mobility history information from a network node. The UE can generate a UE mobility history report. The UE mobility history report can include at least one of transitions between an inactive state and a connected state for each cell included in the UE mobility history report or a carrier frequency of each cell included in the UE mobility history report. The UE can transmit the UE mobility history report to the network node.
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公开(公告)号：US20220287134A1
公开(公告)日：2022-09-08
申请号：US17634353
申请日：2020-07-02
摘要： The present disclosure relates to telecommunications. In one of its aspects, the disclosure concerns a method, performed by a first network node, for handling communication in a wireless communication system. The method comprises transmitting, to a second network node, a message related to a connection establishment between the first network node and the second network node, wherein the message comprises at least one of: a first indication indicating whether a list of served cells of the first network node comprised in the message is a partial list of cells; a second indication indicating a maximum number of cells in a list of served cells of the second network node that the first network node can receive; and a third indication indicating a reason for a failure of the connection establishment.
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公开(公告)号：US20220191779A1
公开(公告)日：2022-06-16
申请号：US17440083
申请日：2020-03-27
发明人： Jens Bergqvist , Sebastian Lindqvist , Patrik Rugeland , Meysam Aghighi , Stefan Engström , Oumer Teyeb
摘要： An example wireless device (12) in a dormant state improves its selection of a camping cell by accounting for multi-cell configurations. Among other things, a multi-cell configuration may improve throughput between a wireless communication network (10) and the wireless device (12), based on the network (10) serving the wireless device (12) from two or more cells (24). By camping on a cell (24) that belongs to a multi-cell configuration that is possible for the wireless device (12), the wireless device (12) reduces the time and signaling needed to establish that multi-cell configuration, upon the wireless device (12) connecting to the network (10) via the camping cell. Accounting for multi-cell configurations may be done jointly, along with accounting for conventional priorities, such as conventionally-prioritized frequencies and Radio Access Technologies (RATs) and may be incorporated into the ranking of cells (24) based on per-cell radio-signal measurements.
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公开(公告)号：US20220110176A1
公开(公告)日：2022-04-07
申请号：US17429849
申请日：2020-01-28
发明人： Meysam Aghighi , Linnea Faxen , Sofia Svedevall , Stefan Engström
摘要： A radio network node receives a message that includes a New Radio, NR, neighbour information Element, IE. The NR neighbour information IE indicates that an NR cell neighbouring a served cell can provide dual connectivity together with the served cell. The radio network node may perform traffic steering based on the NR neighbour information IE. The radio network node may for example steer wireless devices capable of dual connectivity to the served cell and/or steer wireless devices not capable of dual connectivity to a different cell.
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公开(公告)号：US11096041B2
公开(公告)日：2021-08-17
申请号：US16090787
申请日：2016-04-05
发明人： Paul Stjernholm , Stefan Engström , Peter Loborg , Tomas Nylander
摘要： It is provided a method for configuring a first radio network node to join a system area of a mobile network, each system area being served by one or more radio network nodes configured to collaborate in user data transmissions. The method is performed in a configuration device and comprises the steps of: obtaining system area data, using the first radio network node, relating to at least one system area of a second radio network node; selecting a system area for the first radio network node to join based on the system area data; and triggering the first radio network node to join the selected system area.
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公开(公告)号：US20190297545A1
公开(公告)日：2019-09-26
申请号：US16349331
申请日：2017-11-08
发明人： Pradeepa Ramachandra , Stefan Engström , Reza Moosavi , Claes Tidestav , Andres Reial , Icaro Leonardo J. Da Silva , Fredrik Gunnarsson , Kristina Zetterberg , Pål Frenger
摘要： Embodiments herein relate to a method performed by a second network node for handling neighbour relationships between radio network nodes in a wireless communication network. The second network node initiates a neighbour relationship establishment process in the wireless communication network by transmitting an indication to a second radio network node or a first network node. The indication indicates the second radio network node to transmit an identifier of a reference signal handler associated with a reference signal of the second radio network node along with a transmission of the reference signal.
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8.发明申请公开(公告)号：US20190200250A1
公开(公告)日：2019-06-27
申请号：US15758624
申请日：2017-12-22
发明人： Stefan Engström , Icaro L. J. da Silva , Fredrik Gunnarsson , Helka-Liina Määttanen , Pradeepa Ramachandra
摘要： Method performed by a wireless device (130) operating in a wireless communications network (100) wherein a plurality of beams (121) is transmitted by one or more network nodes (111, 113, 114) in the wireless communications network (100). The wireless device (130) generates (602) a log over a period of time. The log comprises: a) information about a first set of beams (122) in the plurality of beams (121) detected by the wireless device (130), and b) a time of detection. The log comprises the information and the time of detection for both of: i) a first set of time periods when the wireless device (130) was in a connected state in the wireless communications network (100), and ii) a second set of time periods when the wireless device (130) lacked a connection in the wireless communications network (100). The wireless device (130) sends (605) the generated log to a first network node (111).
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公开(公告)号：US20170208515A1
公开(公告)日：2017-07-20
申请号：US15315615
申请日：2014-06-09
发明人： Patrik Jonasson , Lisa Boström , Stefan Engström
CPC分类号： H04W36/04 , H04W36/0055 , H04W36/0061 , H04W36/08 , H04W36/14 , H04W64/00 , H04W92/20
摘要： A method in a first network node for handling a handover preparation failure between a first cell and a second cell in a wireless communication network. The first cell is served by the first network node and the second cell is served by a second network node. The second cell is configured for downlink operation only. The first network node transmits (401) to the second network node a handover request for handover of a user equipment from the first cell to the second cell. The first network node receives (402) from the second network node an indication. The indication indicates the handover preparation failure, and further indicates that the handover preparation failure is caused by the second cell being configured for downlink operation only. The first network node selects (403) a cell for handover based on the received indication.
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公开(公告)号：US20170026882A1
公开(公告)日：2017-01-26
申请号：US15100126
申请日：2015-10-05
CPC分类号： H04W36/0094 , H04L43/16 , H04L2012/5625 , H04W24/02 , H04W28/18 , H04W36/0061 , H04W36/0066 , H04W36/0083 , H04W36/10 , H04W36/14 , H04W88/12 , H04W88/16
摘要： According to an aspect, a network node operating in a first RAN according to a first RAT receives a handover request for a user equipment from a cell in a second RAN operating according to a second RAT. After handover of the user equipment to a cell in the first RAN is completed, the network node configures the user equipment to measure frequencies corresponding to the second RAN. Based on measurements reported by the user equipment for the frequencies, the network node identifies detected cells exceeding a measurement threshold, and sends a handover report towards the second RAN. The handover report includes, for at least one detected cell exceeding the measurement threshold, a physical cell identifier and a frequency identifier for the detected cell. The network node obtains configuration information for the detected cell, from another node, and uses the obtained configuration information for subsequent mobility procedures.
摘要翻译： 根据一方面，根据第一RAT在第一RAN中操作的网络节点从根据第二RAT操作的第二RAN中的小区接收用户设备的切换请求。 在完成了将用户设备切换到第一RAN中的小区之后，网络节点配置用户设备来测量对应于第二RAN的频率。 基于用户设备对频率报告的测量，网络节点识别超过测量阈值的检测到的小区，并向第二RAN发送切换报告。 对于超过测量阈值的至少一个检测到的小区，切换报告包括用于检测到的小区的物理小区标识符和频率标识符。 网络节点从另一个节点获取检测到的小区的配置信息，并使用获取的配置信息进行后续的移动过程。
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