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公开(公告)号：US20230300927A1
公开(公告)日：2023-09-21
申请号：US18323540
申请日：2023-05-25
Applicant: Huawei Technologies Co., Ltd.
Inventor： Tingting Geng , Yinghao Jin , Hongping Zhang , Le Yan
Abstract: Embodiments of this application provide a communication method, a communications apparatus, and a storage medium. The communication method includes: sending, by a new master network device, a request to an original master network device, to request context information of a terminal device on the original master network device and an original secondary network device; and receiving the context information of the terminal device on the original master network device and the original secondary network device from the original master network device. This application can effectively simplify implementation steps of resuming a multi-connectivity mode by the terminal device, reduce signaling procedures, and shorten a delay, thereby improving network transmission efficiency.
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公开(公告)号：US20230292388A1
公开(公告)日：2023-09-14
申请号：US18185762
申请日：2023-03-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Li Hu , Bingzhao Li , Jing Chen , Tingting Geng
Abstract: A connection resume request method includes generating, by a terminal, a new access stratum key; sending, by the terminal to a target base station, a connection resume request message requesting to resume a radio resource control (RRC) connection; receiving, by the terminal, a connection resume rejection message from the target base station, wherein the connection resume rejection message indicates that the resuming of the RRC connection is rejected; and resuming, by the terminal, the new access stratum key to a previous access stratum key, wherein the previous access stratum key is an access stratum key that is used, before the apparatus enters an inactive state, by the terminal and the source base station.
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公开(公告)号：US20230109703A1
公开(公告)日：2023-04-13
申请号：US18079159
申请日：2022-12-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Huiming Sun , Tingting Geng , Hongping Zhang , Xingxing Hu
Abstract: A communication method for a dual connectivity system and a communication apparatus are disclosed, to support relaxing radio resource management (RRM) measurement. The method includes: A first network device determines that a terminal device is to deactivate a secondary cell group (SCG) of the terminal device; the first network device sends first information to the terminal device, where the first information indicates the terminal device to deactivate the secondary cell group SCG of the terminal device, to enable the terminal device to relax SCG RRM measurement after deactivating the SCG; and the terminal device relaxes the SCG RRM measurement after deactivating the SCG based on the first information. The first network device is a master node or a secondary station of the terminal device. In this way, when the SCG is deactivated, relaxing the
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公开(公告)号：US20230022834A1
公开(公告)日：2023-01-26
申请号：US17937029
申请日：2022-09-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yedan Wu , Tingting Geng
Abstract: This application provides a communication method and apparatus. The method includes: A terminal device receives first information sent by a first base station, where the first information includes a first timing advance of a second base station, or the first information includes a parameter used by the terminal device to obtain the first timing advance of the second base station, and the first timing advance is a timing advance used in a process of data transmission with the second base station; and the terminal device obtains the first timing advance of the second base station based on the first information.
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公开(公告)号：US20220264414A1
公开(公告)日：2022-08-18
申请号：US17738431
申请日：2022-05-06
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xingxing Hu , Le Yan , Hongping Zhang , Hongzhuo Zhang , Tingting Geng
Abstract: A mobility optimization method and a related apparatus are provided. The method includes: determining connection failure information; and sending the connection failure information and an identifier of a first cell to a first network device by using a radio resource control (RRC) message, wherein the identifier of the first cell comprises an identifier of a cell from which a reconfiguration message or a handover command message received by the terminal device comes or an identifier of a cell in which a connection failure occurs, wherein the connection failure information is in a form of a container in the RRC message and the identifier of the first cell is outside the container.
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Patent Agency Ranking
公开(公告)号：US20220217561A1
公开(公告)日：2022-07-07
申请号：US17656756
申请日：2022-03-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Tingting Geng , Yedan Wu , Le Yan
Abstract: Embodiments of this application provide a communication method, device, and system, to reduce energy consumption of a terminal device and accelerate reselection performed by the terminal device. In this solution, a network device determines a plurality of sub-areas, and sends area configuration information to the terminal device. The terminal device receives the area configuration information, determines a first sub-area based on the area configuration information, and performs measurement based on information about one or more neighboring frequencies corresponding to the first sub-area. A geographical area range including the plurality of sub-areas includes a coverage area of a first cell, the area configuration information indicates information about the plurality of sub-areas, and the first sub-area is a sub-area in which the terminal device is currently located in the plurality of sub-areas.
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公开(公告)号：US11369000B2
公开(公告)日：2022-06-21
申请号：US16991824
申请日：2020-08-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Tingting Geng , Hongping Zhang , Qinghai Zeng
Abstract: Embodiments of this application provide a communication method and a communications system. The method includes: receiving, by a second network device from a first network device, information used to indicate that a terminal initiates a radio access network notification area update (RNAU), generating, by the second network device based on the information, a radio resource control release message on which security protection has been performed, and sending, to the first network device, the radio resource control release message on which the security protection has been performed.
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公开(公告)号：US20220022275A1
公开(公告)日：2022-01-20
申请号：US17488150
申请日：2021-09-28
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
Inventor： Tingting Geng , Rui Wang , Hongping Zhang , Qinghai Zeng
Abstract: The embodiments of this application provide a communication method and an apparatus, and relate to the field of communications technologies, to successfully report MCG link failure information. The method includes: When a terminal device sends a first data unit to a first access network device via an MCG split bearer, the terminal device determines that an MCG link failure occurs. In addition, the terminal device sends a second data unit to a second access network device via an SCG split bearer, so that the second access network device sends the second data unit to the first access network device, where the second data unit includes information used to indicate the MCG link failure.
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公开(公告)号：US20210377816A1
公开(公告)日：2021-12-02
申请号：US17401913
申请日：2021-08-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Le Yan , Hongping Zhang , Qinghai Zeng , Tingting Geng , Xingxing Hu
Abstract: A source base station receives a first data packet from a core network device; a target base station receives a second data packet from the core network device, where the second data packet is a duplicate of the first data packet, and the first data packet and the second data packet each include a first index; the source base station sends first indication information to the target base station, where the first indication information indicates a mapping relationship between the first index and a second index; the source base station sends a third data packet to a user equipment UE in response to the first data packet; the target base station sends a fourth data packet to the UE in response to the second data packet, where the third data packet and the fourth data packet each include the second index.
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公开(公告)号：US20210360498A1
公开(公告)日：2021-11-18
申请号：US17390267
申请日：2021-07-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Tingting Geng , Le Yan , Qinghai Zeng
Abstract: A communication method, apparatus, and system are disclosed, to provide a mechanism of mobility, of a terminal device that supports private networks, between the private networks. The method includes: a first access network device determines, based on a first list, a target cell that belongs to a target first network, where the first list includes an identity of at least one first network to which a terminal device subscribes. The first access network device sends a first message to a second access network device that serves the target cell, the first message carries a second list, the second list is used to enable the second access network device to determine the identity of the at least one first network to which the terminal device subscribes.
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