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公开(公告)号：US12063595B2
公开(公告)日：2024-08-13
申请号：US17405208
申请日：2021-08-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yizhuang Wu , Wanqiang Zhang , Hui Ni
Abstract: This application provides a network node selection method and apparatus. An SMF network element obtains transmission capability information of an access network device, and selects, for a terminal device based on the transmission capability information of the access network device, a UPF network element that supports at least one transmission capability included in the transmission capability information. In this process, the SMF network element obtains a transmission capability of the access network device, and selects the UPF network element based on the transmission capability of the access network device. The selected UPF network element supports the transmission capability used by the access network device, so that data can be successfully transmitted between the access network device and the UPF network element. Therefore, a data transmission success rate is improved.
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公开(公告)号：US12041135B2
公开(公告)日：2024-07-16
申请号：US17409024
申请日：2021-08-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Haiyang Sun , Yizhuang Wu , Chunshan Xiong
IPC: H04L67/141 , H04W8/02 , H04W80/02
CPC classification number: H04L67/141 , H04W8/02 , H04W80/02
Abstract: A session establishment method and apparatus is provided, to resolve a problem that a terminal device cannot establish a plurality of PDU sessions for a same APP based on a URSP. The method includes: A terminal apparatus receives indication information from a first network apparatus, where the indication information is used to indicate that a first application needs to be associated with at least two sessions; and establishes at least one session for the first application based on at least the indication information, so that the first application is associated with at least two sessions.
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公开(公告)号：US11997543B2
公开(公告)日：2024-05-28
申请号：US18151783
申请日：2023-01-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yizhuang Wu , Chunshan Xiong
CPC classification number: H04W28/24 , H04W28/0268 , H04W36/0022 , H04W36/0033 , H04W36/14 , H04W76/10 , H04W92/02
Abstract: This application provides a communication method, a network element, a terminal apparatus, and a system. The communication method includes: receiving, by a first network element, first indication information from a second network element, where the first indication information is used to indicate that a current condition supports establishment of a session of a first network for a terminal apparatus; obtaining, by the first network element, first quality of service QoS control information of a first session of the terminal apparatus after receiving the first indication information, where the first session is a session established by the terminal apparatus by using a second network; and sending, by the first network element, the first QoS control information to the second network element. The communication method in the embodiments of this application can improve communication efficiency.
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公开(公告)号：US11968565B2
公开(公告)日：2024-04-23
申请号：US17675763
申请日：2022-02-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yongcui Li , Yizhuang Wu , Haiyang Sun , Hui Ni
IPC: H04W28/12 , H04L67/141
CPC classification number: H04W28/12 , H04L67/141
Abstract: The present disclosure relates to user plane information reporting methods and apparatus. In one example method, a session management network element obtains parameter information, and initiates establishment of a dedicated tunnel between a first communications apparatus and a second communications apparatus, where the parameter information indicates the first communications apparatus to report user plane information when a reporting condition is met. The session management network element sends a first rule to the first communications apparatus, where the first rule indicates the first communications apparatus to send a packet to the second communications apparatus through the dedicated tunnel when the reporting condition is met.
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公开(公告)号：US11910244B2
公开(公告)日：2024-02-20
申请号：US17318814
申请日：2021-05-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yongcui Li , Fang Yu , Yan Li , Hui Ni , Yizhuang Wu
CPC classification number: H04W36/0011 , H04W36/12
Abstract: This application provides a method for controlling disorder of downlink data and an apparatus thereof. The method includes: A control plane network element determines to switch from a first user plane device to a second user plane device, and sends indication information to the second user plane device. The second user plane device buffers, according to the received indication information, downlink data received from a session anchor, and sends the buffered downlink data after reception of an end marker from the first user plane device.
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Patent Agency Ranking
公开(公告)号：US11895083B2
公开(公告)日：2024-02-06
申请号：US17976248
申请日：2022-10-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Cuili Ge , Yanmei Yang , Hui Ni , Yizhuang Wu
IPC: H04L61/4535 , H04L61/4511 , H04L45/02
CPC classification number: H04L61/4535 , H04L45/02 , H04L61/4511
Abstract: An address obtaining method includes obtaining, by a third network device, an identifier of a first application from a terminal device. The identifier of the first application indicates a request for obtaining an address of an instance of the first application. The address obtaining method further includes sending, by the third network device, a first message to a first network device, wherein the first message comprises the identifier of the first application, and the first message is useable to request the address of the instance of the first application. The address obtaining method further includes receiving, by the third network device, the address of the instance of the first application from the first network device, and sending the address of the instance of the first application to the terminal device.
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公开(公告)号：USRE49729E1
公开(公告)日：2023-11-14
申请号：US17729667
申请日：2022-04-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ruizhi Liu , Chunshan Xiong , Yizhuang Wu , Haiyang Sun
CPC classification number: H04W76/10 , H04W8/04 , H04W8/08 , H04W8/18 , H04W28/0268
Abstract: The present disclosure relates to session information management methods. One example method includes sending, by a session management function (SMF) network element, identification information of a terminal device, a data network name (DNN), and slice information to a data management network element to request first subscription data that is of the terminal device and that is associated with the DNN and the slice information, where the slice information is used to identify a network slice served by the SMF network element, and receiving, by the SMF network element, the first subscription data from the data management network element.
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公开(公告)号：US20230354028A1
公开(公告)日：2023-11-02
申请号：US18349587
申请日：2023-07-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yizhuang Wu , Ao Lei , Taoran Sun
IPC: H04W12/069 , H04W12/04
CPC classification number: H04W12/069 , H04W12/04
Abstract: First user equipment generates a first temporary identifier based on a first key; the first user equipment sends a first request to second user equipment, where the first request is used to establish a communication connection between the first user equipment and the second user equipment, and the first request includes the first temporary identifier and a relay service code; and the first user equipment generates a shared key based on a second key and the relay service code, where the shared key is used to protect the communication connection between the first user equipment and the second user equipment.
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公开(公告)号：US20230354013A1
公开(公告)日：2023-11-02
申请号：US18348473
申请日：2023-07-07
Applicant: Huawei Technologies Co., Ltd.
Inventor： He Li , Yizhuang Wu , Rong Wu
Abstract: A method includes: User equipment determines whether confidentiality protection is activated for communication data between the user equipment and an application function device. The user equipment sends a user plane message to the application function device. The user plane message includes an identifier of the user equipment, and the identifier is an encrypted identifier in a case in which the confidentiality protection is inactivated.
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公开(公告)号：US20230144570A1
公开(公告)日：2023-05-11
申请号：US18147373
申请日：2022-12-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yizhuang Wu , Chunshan Xiong
IPC: H04W28/24
CPC classification number: H04W28/24
Abstract: This application provides a QoS flow control method and an apparatus. An SMF network element receives first indication information sent by an access network apparatus, where the first indication information is used to indicate that a first QoS target of a QoS flow cannot be met; and the SMF network element does not process the QoS flow if the SMF network element receives second indication information in a first preset time; or the SMF network element deletes or modifies the QoS flow if the SMF network element does not receive second indication information in a first preset time, where the second indication information is used to indicate that the first QoS target can be met.
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