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公开(公告)号：US20190182165A1
公开(公告)日：2019-06-13
申请号：US16277325
申请日：2019-02-15
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L12/813 , H04L12/801 , H04W4/70 , H04L12/707 , H04L12/923 , H04W28/02 , H04W28/10
Abstract: Embodiments of the present disclosure disclose a policy control method for multipath transmission, and a related device. User equipment (UE) supporting multipath transmission performs service packet transmission using at least two transmission subflows. The method includes: receiving, by a policy decision network element, association information of the at least two transmission subflows from a communication peer, where the association information includes flow identifiers of the at least two transmission subflows; determining, by the policy decision network element, a resource modification policy of at least one transmission subflow in the at least two transmission subflows based on the association information; and sending, by the policy decision network element, the resource modification policy to a forwarding plane network element corresponding to the at least one transmission subflow.
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公开(公告)号：US20240306255A1
公开(公告)日：2024-09-12
申请号：US18616671
申请日：2024-03-26
Applicant: Huawei Technologies Co., Ltd.
Abstract: A data forwarding method includes: receiving, by a session management function network element, information about a first bearer in a first network from an access and mobility management function network element; and sending flow information of a first flow in a second network and forwarding information to the access and mobility management function network element. The flow information indicates a flow for data forwarding, and the forwarding information is used for forwarding the first flow to a tunnel corresponding to the first bearer.
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公开(公告)号：US11963263B2
公开(公告)日：2024-04-16
申请号：US17506029
申请日：2021-10-20
Applicant: Huawei Technologies Co., Ltd.
Abstract: A data forwarding method includes: receiving, by a session management function network element, information about a first bearer in a first network from an access and mobility management function network element; and sending flow information of a first flow in a second network and forwarding information to the access and mobility management function network element. The flow information indicates a flow for data forwarding, and the forwarding information is used for forwarding the first flow to a tunnel corresponding to the first bearer.
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公开(公告)号：US11196821B2
公开(公告)日：2021-12-07
申请号：US16587360
申请日：2019-09-30
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: H04L29/08 , H04L12/801 , H04W4/20
Abstract: This application provides a data transmission method and communications devices. In some implementations, a first device instructs a second device to stop sending data of an application to the first device, receives from the second device first indication information indicating a sequence number of data that is of the application and that has been received by the second device from the first device, and sends to the second device second indication information indicating a sequence number of data that is of the application and that has been received by the first device from the second device. After a connection between the terminal device and a second server is established, the first and second indication information are used to transmit the data of the application through the connection.
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公开(公告)号：US20200221539A1
公开(公告)日：2020-07-09
申请号：US16822674
申请日：2020-03-18
Applicant: Huawei Technologies Co., Ltd.
Abstract: A data forwarding method includes receiving, by a session management function network element, information about a first bearer in a first network from an access and mobility management function network element; and sending flow information of a first flow in a second network and forwarding information to the access and mobility management function network element. The flow information indicates a flow for data forwarding, and the forwarding information is used for forwarding the first flow to a tunnel corresponding to the first bearer.
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Patent Agency Ranking
公开(公告)号：US11665636B2
公开(公告)日：2023-05-30
申请号：US17486614
申请日：2021-09-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: Embodiments of this application provide a method for selecting an access network type, a device, and a system, to flexibly select an access network type. An example method includes: determining, by a policy control function PCF entity, that a network status of a first network does not meet a preset condition, where the first network is a network currently accessed by a terminal; and sending, by the PCF entity, an access network type corresponding to a second network to the terminal, where the access network type corresponding to the second network is used to instruct the terminal to redirect a session of the terminal to the second network, and the second network is a network other than the first network.
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公开(公告)号：US11258708B2
公开(公告)日：2022-02-22
申请号：US16561163
申请日：2019-09-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jiao Yang , Tingfang Tang , Yan Li
IPC: H04L12/745 , H04L12/721 , H04L45/748 , H04L45/00 , H04W80/10
Abstract: A communication method and a communications apparatus, where the method includes: assigning, by a control plane device, an Internet Protocol (IP) address to a user equipment; obtaining, by the control plane device using a routing policy network element, a routing rule corresponding to the IP address; and sending, by the control plane device, the routing rule and the IP address to the user equipment, where the routing rule is used by the user equipment to determine a source IP address when the user equipment initiates a service.
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公开(公告)号：US11212226B2
公开(公告)日：2021-12-28
申请号：US16874074
申请日：2020-05-14
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jiao Yang , Tingfang Tang , Yan Li , Yongcui Li
IPC: H04L12/741 , H04L12/28 , H04L12/947 , H04L29/12 , H04L29/08
Abstract: A data processing method includes obtaining, by a session management function (SMF) network element from an external network element, a media access control (MAC) address of a terminal device and an Internet Protocol (IP) address corresponding to the MAC address, and sending, by the SMF network element, the MAC address and the IP address to a first user plane function (UPF) network element, where the MAC address and the IP address are used to send an Address Resolution Protocol (ARP) message, and the ARP message includes the MAC address and the IP address.
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公开(公告)号：US11134436B2
公开(公告)日：2021-09-28
申请号：US16692428
申请日：2019-11-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: Embodiments of this application provide a method for selecting an access network type, a device, and a system, to flexibly select an access network type. An example method includes: determining, by a policy control function PCF entity, that a network status of a first network does not meet a preset condition, where the first network is a network currently accessed by a terminal; and sending, by the PCF entity, an access network type corresponding to a second network to the terminal, where the access network type corresponding to the second network is used to instruct the terminal to redirect a session of the terminal to the second network, and the second network is a network other than the first network.
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公开(公告)号：US20190394128A1
公开(公告)日：2019-12-26
申请号：US16561163
申请日：2019-09-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jiao Yang , Tingfang Tang , Yan Li
IPC: H04L12/745 , H04L12/721
Abstract: A communication method and a communications apparatus, where the method includes: assigning, by a control plane device, an Internet Protocol (IP) address to a user equipment; obtaining, by the control plane device using a routing policy network element, a routing rule corresponding to the IP address; and sending, by the control plane device, the routing rule and the IP address to the user equipment, where the routing rule is used by the user equipment to determine a source IP address when the user equipment initiates a service.
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