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公开(公告)号：US20250063419A1
公开(公告)日：2025-02-20
申请号：US18934896
申请日：2024-11-01
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yongcui LI , Hui NI
Abstract: Embodiments of this application provide a communication method and a communication apparatus. The method includes: A network device sends first information to a terminal device, where the first information indicates at least one second network, the second network is a network in which local traffic routing is allowed by a first public network, the network device is a device of the first public network, and the first network is a home network of the terminal device; the terminal device performs network switching; and the terminal device determines, based on the first information and networks before and after the switching, an application server having an optimal path. In embodiments of this application, the application server is determined based on whether the first information includes the network after the switching, thereby improving communication quality after the network switching and reducing communication latency.
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公开(公告)号：US20250063016A1
公开(公告)日：2025-02-20
申请号：US18933756
申请日：2024-10-31
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Fangyuan ZHU , Hui NI , Yan LI
IPC: H04L61/4511
Abstract: This application discloses an application discovery method and apparatus, and a system. A session management function network element receives first information from a first network element, and determines second information based on at least the first information and location information of a terminal device. The session management function network element sends the second information to the first network element. The second information is for obtaining a first IP address corresponding to a first domain name.
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公开(公告)号：US20250023629A1
公开(公告)日：2025-01-16
申请号：US18898772
申请日：2024-09-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yongcui LI , Yan LI , Hui NI
IPC: H04B7/185
Abstract: This application provides a satellite communication method and apparatus. The method may include: A session management network element obtains first service information, where the service information indicates one or more services supported by a satellite. The session management network element determines, based on the first service information, whether a terminal device is allowed to access the services supported by the satellite. When determining that the terminal device is allowed to access at least one of the services supported by the satellite, the session management network element inserts a user plane network element on the satellite into a user plane path of the terminal device. According to the foregoing solutions, a delay in satellite communication of the terminal device can be reduced, and user experience can be improved.
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公开(公告)号：US20240244031A1
公开(公告)日：2024-07-18
申请号：US18618200
申请日：2024-03-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yongcui LI , Zehao CHEN , Hui NI
IPC: H04L61/4511 , H04L101/618 , H04W8/26 , H04W84/04
CPC classification number: H04L61/4511 , H04W8/26 , H04L2101/618 , H04W84/042
Abstract: This application provides a communication method and apparatus. The method may include receiving, by a second session management network element in a visited network, from a first session management network element in a home network, indication information, wherein the indication information indicates that traffic routing is allowed in the visited network. The method may further include sending, by the second session management network element and based on the indication information, IP address information of the visited network to a user plane network element in the visited network, wherein the IP address information is information used to determine an extension mechanisms for domain name system DNS client subnet option, or the IP address information is a local DNS server address.
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公开(公告)号：US20220256392A1
公开(公告)日：2022-08-11
申请号：US17732148
申请日：2022-04-28
Applicant: Huawei Technologies Co., Ltd.
Abstract: Embodiments of the present invention disclose a communication method and a device. The method includes: determining a first CU-UP and a UPF network element that correspond to a QoS flow, where an access network device to which the first CU-UP belongs supports at least two CU-UPs; determining a first PDB for transmitting the QoS flow between the first CU-UP and the UPF network element; and sending the first PDB to the access network device, where the first PDB is used by the access network device to schedule an air interface resource. In the embodiments of the present invention, after the CU-UP corresponding to the QoS flow is determined, the PDB of the CU-UP corresponding to the QoS flow may be sent to the RAN device.
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Patent Agency Ranking
公开(公告)号：US20210385744A1
公开(公告)日：2021-12-09
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：US20210266797A1
公开(公告)日：2021-08-26
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
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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公开(公告)号：US20210227392A1
公开(公告)日：2021-07-22
申请号：US17226797
申请日：2021-04-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Fangyuan ZHU , Yan LI , Hui NI
IPC: H04W12/082 , H04W60/06 , H04W48/02 , H04W12/60
Abstract: The present disclosure relates to network slice access control methods. One example method includes receiving, by an access and mobility management function network element, first information from a session management function network element, where the first information is associated with an authentication failure of a network slice, and sending, by the access and mobility management function network element, second information to a terminal device based on the first information, where the second information is used to reject access of the terminal device to the network slice.
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公开(公告)号：US20210014720A1
公开(公告)日：2021-01-14
申请号：US17034618
申请日：2020-09-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yongcui LI , Yan LI , Hui NI
Abstract: A method includes: receiving, by a first session management function network element, first identification information from an access and mobility management function network element; obtaining information about a plurality of anchor user plane function network elements of a first session based on the first identification information; and sending, by the first session management function network element, the information about the plurality of anchor user plane function network elements to a branching point, where the branching point is a user plane function network element that is managed by the first session management function network element and that has a function of diverting traffic.
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10.发明申请METHOD FOR PROCESSING ADDRESS RESOLUTION PROTOCOL MESSAGE, SWITCH, AND CONTROLLER 审中-公开用于处理地址解析协议消息，开关和控制器的方法公开(公告)号：US20160285820A1
公开(公告)日：2016-09-29
申请号：US15177979
申请日：2016-06-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Shiyong TAN , Hui CAI , Hui NI
IPC: H04L29/12
CPC classification number: H04L61/103 , H04L45/38 , H04L45/74 , H04L61/2007 , H04L61/6022
Abstract: The present invention discloses a method for processing an address resolution protocol message, a switch, and a controller. The method includes: receiving, by a switch, a flow rule that corresponds to an ARP message and that is sent from a controller; and constructing, by the switch, an ARP message according to the received flow rule, and sending the ARP message, where the flow rule includes: a match rule that corresponds to an ARP message and an action set that corresponds to an ARP message. According to the present invention, ARP-mechanism-based interaction with an external device can be implemented.
Abstract translation: 本发明公开了一种处理地址解析协议消息，交换机和控制器的方法。 该方法包括：通过交换机接收对应于ARP消息并从控制器发送的流规则; 并通过交换机根据接收到的流规则构建ARP消息，并发送ARP消息，其中流规则包括：对应于ARP消息的匹配规则和对应于ARP消息的动作集。 根据本发明，可以实现与外部设备的基于ARP机制的交互。
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