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1.发明授权公开(公告)号：US12126369B2
公开(公告)日：2024-10-22
申请号：US17626947
申请日：2020-07-16
Inventor： Jiancheng Sun , Shaohui Sun , Ye Zhou , Jiangsheng Fan
CPC classification number: H04B7/18513 , H04W36/0016 , H04W36/00837 , H04W36/083
Abstract: A feeder link handover method, device and apparatus, and a handover method, device and apparatus for user equipment belonging to a satellite are provided. The method includes: interacting with a target gateway by a source gateway and determining a handover time instant T and/or a target cell activation time instant T′, wherein the handover time instant T is a time instant at which a previous feeder link is disconnected and establishment of a new feeder link is initiated, the target cell activation time instant T′ is T+a time period Δ (delta) required for the establishment of the new feeder link; initiating a feeder-link handover at the handover time instant T, and instructing a user equipment to synchronize with a target cell at the T′.
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公开(公告)号：US11483755B2
公开(公告)日：2022-10-25
申请号：US17261180
申请日：2019-06-04
Inventor： Ye Zhou , Meng Xu , Jing Liang
Abstract: Disclosed are a configuration information transmission method, a central unit (CU) and a distributed unit (DU), and a computer storage medium, for use in reducing system overheads. The configuration information transmission method: includes a CU of a radio access network (RAN) receives a first interface message from a DU of the RAN, wherein the first interface message carries first indication information, the first indication information is used for indicating at least one terminal device, and a bandwidth part (BWP) currently activated by the at least one terminal device is not configured with a common search space (CSS).
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公开(公告)号：US11277773B2
公开(公告)日：2022-03-15
申请号：US17255427
申请日：2019-04-24
Inventor： Aijuan Liu , Ye Zhou , Dajun Zhang
Abstract: Disclosed in the present application are a handover method and apparatus, relating to the field of communications, and being used for reducing the interruption time of data transmission in a distributed unit DU handover process when the central unit control plane/central unit user plane CU-CP/CU-UP in a base station are separated, enhancing the user experience. In the handover method provided in the embodiments of the present application, a notification sent by the CU-CP to the CU-UP not only carries tunnel switching instruction information, but also comprises maintenance instruction information, the maintenance instruction information instructing the CU-UP to continue sending downlink data by means of the original downlink tunnel, such that downlink data can still be received when the user device is not yet connected to a target DU, thereby reducing the interruption time of data transmission during the DU handover process, and enhancing the user experience.
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公开(公告)号：US12047824B2
公开(公告)日：2024-07-23
申请号：US18249947
申请日：2021-10-11
Inventor： Mingzhu Zhang , Jiangsheng Fan , Nan Yan , Ye Zhou , Ruiwei Wang
CPC classification number: H04W36/0079 , H04W36/08 , H04W36/305
Abstract: A method and a device for determining an MRO critical scenario and an apparatus are provided. The method includes: obtaining, by the UE, parameter information about a connection problem in the case that the connection problem has been detected by the UE in a cell handover process and cell handover has been performed successfully, or in the case that the connection problem has been detected by the UE within a predetermined time period after the cell handover is performed successfully; and transmitting, by the UE, the parameter information to a network device, so that the network device may determine the MRO critical scenario in accordance with the parameter information. According to the embodiments of the present disclosure, it is able to determine the MRO critical scenario in a scenario where cell handover is performed successfully.
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