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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
发明人： Yongcui LI , Zehao CHEN , Hui NI
IPC分类号： H04L61/4511 , H04L101/618 , H04W8/26 , H04W84/04
CPC分类号： H04L61/4511 , H04W8/26 , H04L2101/618 , H04W84/042
摘要： 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：US20210266797A1
公开(公告)日：2021-08-26
申请号：US17318814
申请日：2021-05-12
发明人： Yongcui LI , Fang YU , Yan LI , Hui NI , Yizhuang WU
摘要： 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：US20210014720A1
公开(公告)日：2021-01-14
申请号：US17034618
申请日：2020-09-28
发明人： Yongcui LI , Yan LI , Hui NI
摘要： 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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公开(公告)号：US20240154933A1
公开(公告)日：2024-05-09
申请号：US18408669
申请日：2024-01-10
发明人： Zehao CHEN , Yongcui LI , Hui NI
IPC分类号： H04L61/4511 , H04W76/10
CPC分类号： H04L61/4511 , H04W76/10
摘要： A communication method and apparatus. A session management function obtains at least one group of first association relationships, where the first association relationship is a correspondence between identification information of domain name system DNS handling information and the DNS handling information. The SMF sends, to an EASDF, the at least one group of first association relationships used for PDU sessions of a plurality of terminal devices, and sends, to the EASDF, a first message corresponding to a first PDU session, where the first information includes first identification information, and the first identification information is identification information of DNS handling information corresponding to the first PDU session. The EASDF receives the first association relationship and the first message, and determines, based on the first association relationship and the first identification information, the DNS handling information corresponding to the first PDU session.
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公开(公告)号：US20230050923A1
公开(公告)日：2023-02-16
申请号：US17970891
申请日：2022-10-21
发明人： Yongcui LI , Qi PAN , Zhenglei HUANG , Hui NI
IPC分类号： H04L65/75 , H04L47/2483 , H04L65/80 , H04L65/70
摘要： Embodiments of this application provide a media packet transmission method, an apparatus, and a system that relate to the field of communication technologies. In an example method, a transmit end network element obtains a correspondence between an encoding type and a quality of service (QoS) flow. The transmit end network element is a user plane network element or a terminal. The QoS flow is used to transmit a media packet whose encoding type is the encoding type corresponding to the QoS flow. The transmit end network element identifies an encoding type of a received media packet, and sends, based on the correspondence through a QoS flow corresponding to the encoding type of the media packet, the media packet carrying information associated with the encoding type to an access network element.
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公开(公告)号：US20220264356A1
公开(公告)日：2022-08-18
申请号：US17738782
申请日：2022-05-06
发明人： Yongcui LI , Ao LEI , Hui NI
IPC分类号： H04W28/02 , H04L47/20 , H04L47/2483
摘要： The present disclosure provides example traffic routing methods, apparatuses, and systems. One example method includes determining, by a session management network element, a routing rule, where the routing rule indicates a first traffic steering entity to send a first traffic to a first function entity, or send a second traffic to a second function entity or an access device, where the first traffic is a traffic on which first traffic steering control is to be performed, and the second traffic is a traffic on which the first traffic steering control has been performed. The routing rule is sent by the session management network element to the first traffic steering entity in a session management process.
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公开(公告)号：US20220174546A1
公开(公告)日：2022-06-02
申请号：US17675763
申请日：2022-02-18
发明人： Yongcui LI , Yizhuang WU , Haiyang SUN , Hui NI
IPC分类号： H04W28/12 , H04L67/141
摘要： 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：US20200154515A1
公开(公告)日：2020-05-14
申请号：US16745201
申请日：2020-01-16
发明人： Hui NI , Yongcui LI , Yan LI
摘要： A session processing method includes determining, by a processor that a first application is not associated with a session parameter of a first session when starting the first application. The method also includes transmitting data of the first application through the first session in response to obtaining indication information. The indication information indicates that the session parameter of the first session can satisfy a session parameter requirement of the first application.
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9.发明申请公开(公告)号：US20180270629A1
公开(公告)日：2018-09-20
申请号：US15983892
申请日：2018-05-18
发明人： Hui NI , Yongcui LI
CPC分类号： H04W4/24 , H04L12/14 , H04L12/1407 , H04M15/41 , H04M15/58 , H04M15/60 , H04M15/62 , H04M15/64 , H04M15/65 , H04M15/785 , H04M15/852 , H04M15/853 , H04M15/854
摘要： A charging method is provided. The method includes the following: A forwarding plane network element sends forwarding plane charging statistics to a charging system when the forwarding plane charging statistics meet a preset charging trigger condition, and may further send a charging context identifier to the charging system; the charging system actively sends control plane charging request information to a control plane network element after receiving the forwarding plane charging statistics; the control plane network element sends control plane charging information to the charging system after receiving the request information, and may further send the charging context identifier; and the charging system associates the forwarding plane charging statistics with the control plane charging information based on the charging context identifier, and performs charging processing.
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公开(公告)号：US20230345058A1
公开(公告)日：2023-10-26
申请号：US18344053
申请日：2023-06-29
发明人： Qi PAN , Zhenglei HUANG , Hui NI , Yongcui LI
IPC分类号： H04N21/2187 , H04N21/4402 , H04N21/234 , H04L69/16 , H04N21/647 , H04W28/06
CPC分类号： H04N21/2187 , H04N21/4402 , H04N21/234 , H04L69/16 , H04N21/647 , H04N21/64792 , H04W28/06
摘要： A data packet transmission method includes receiving, by a first network element, a first data packet of a first service from an application server. The method also includes determining, by the first network element, first sequence information of a second data packet. The second data packet is a to-be-discarded data packet of the first service. The first sequence information indicates a sequence of the second data packet. The method further includes determining, by the first network element, a third data packet. The third data packet includes the first sequence information. The method additionally includes sending, by the first network element, the third data packet to a terminal device.
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