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公开(公告)号：US11134371B2
公开(公告)日：2021-09-28
申请号：US16845026
申请日：2020-04-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Hao Jing , Zaifeng Zong , Fenqin Zhu , Mirko Schramm
Abstract: A communication method applicable to different scenarios of interworking between communications systems includes determining, by a session management network element, a first data channel in a first system, where the first data channel is a data channel to be synchronized with a terminal device; and synchronizing, by the session management network element in an interworking procedure for the terminal device from the first system to a second system, at least one of the first data channel or a second data channel that is in the second system and that corresponds to the first data channel.
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公开(公告)号：US20210168215A1
公开(公告)日：2021-06-03
申请号：US17171539
申请日：2021-02-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zaifeng Zong , Fenqin Zhu
Abstract: A communication method and a communications device, where the communication method includes: receiving a first message sent by a first service instance, where the first message includes a target identifier; and sending, based on the first message, a second message to a second service instance that has a binding relationship with the target identifier.
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公开(公告)号：US20210120610A1
公开(公告)日：2021-04-22
申请号：US17107520
申请日：2020-11-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qianghua Zhu , Fenqin Zhu
Abstract: Embodiments of this application provide a rate adjustment method, an apparatus, and a system. The method may include the following steps: A mobility management network element determines access information indicating whether a terminal uses NR for access, and determines first APN-AMBR information based on the access information, where the first APN-AMBR information is used to control a data transmission rate.
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公开(公告)号：US20210120479A1
公开(公告)日：2021-04-22
申请号：US17134382
申请日：2020-12-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Hao Jing , Wenqi Cui , Zaifeng Zong , Fenqin Zhu
Abstract: Embodiments provide a path update method, a device, and a system. In those embodiments, a network device obtains target path information. The target path information includes first path information and/or second path information corresponding to an anchor user plane network element and being allocated to a terminal. The first path information is for establishing a first path between the anchor user plane network element and an access device, and the second path information is for establishing a second path between the anchor user plane network element and an intermediate user plane network element. The network device associates the target path information with a target data packet processing policy. The target data packet processing policy is used to process a data packet received from the first path and the second path.
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公开(公告)号：US20210105328A1
公开(公告)日：2021-04-08
申请号：US17074897
申请日：2020-10-20
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zaifeng Zong , Fenqin Zhu
Abstract: A session establishment method and an apparatus, such that an established packet data network (PDN) connection is transferred to a network slice in a fifth generation (5G) network during inter-system mobility of a terminal. The method includes receiving, by a terminal from a control plane function entity, corresponding network slice information used for transferring an established PDN connection to a 5G network, where the corresponding network slice information includes corresponding single network slice selection assistance information (S-NSSAI). The method further includes sending a packet data unit (PDU) session establishment request, where the PDU session establishment request includes corresponding S-NSSAI used for transferring a first PDN connection to the 5G network and a corresponding data network name (DNN) used for transferring the first PDN connection to the 5G network, and the first PDN connection is any one of one or more established PDN connections.
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Patent Agency Ranking
公开(公告)号：US20210076318A1
公开(公告)日：2021-03-11
申请号：US16951489
申请日：2020-11-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Zaifeng Zong , Fenqin Zhu
Abstract: A mobility management network element in a visited network performs a method in a home-routed roaming operation to facilitate a switching of a terminal in a session to the visited network. The mobility management network element obtains single network slice selection assistance information (S-NSSAI) for a home network of the terminal corresponding to the session of the terminal. The mobility management network element also obtains S-NSSAI for the visited network corresponding to the session of the terminal, according to a mapping relationship between the S-NSSAI for the home network and the S-NSSAI for the visited network. The mobility management network element then sends the S-NSSAI for the visited network to an access device of the terminal in the visited network, for the access device to process the session.
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公开(公告)号：US20210022047A1
公开(公告)日：2021-01-21
申请号：US17037172
申请日：2020-09-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zaifeng Zong , Fenqin Zhu
Abstract: A communications method, apparatus, and system to implement handover between session management network elements, where a target session management network element sends a first message to a source session management network element based on the information about the source session management network element received. After receiving the first message from the target intermediate session management network element, the source session management network element indicates, based on the first message, a source intermediate user plane network element to establish a forwarding tunnel. As such, the forwarding tunnel between the source intermediate user plane network element and a target intermediate user plane network element is established, and the source intermediate user plane network element can forward data to the target intermediate user plane network element through the forwarding tunnel.
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公开(公告)号：US10897699B2
公开(公告)日：2021-01-19
申请号：US16862047
申请日：2020-04-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zaifeng Zong , Caixia Qi , Fenqin Zhu
Abstract: A subscription update method, device, and system, where the method is performed by a first event notification network element and includes: determining that a notification condition of a first subscription event of a first terminal is met; obtaining first callback address information of a target subscription network element; and sending a first message to the target subscription network element based on the first callback address information, where the first message carries an identifier of the first terminal and a first event notification of the first subscription event, and the identifier of the first terminal is used to correlate the first event notification with the first terminal.
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公开(公告)号：US20200374765A1
公开(公告)日：2020-11-26
申请号：US16992880
申请日：2020-08-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zaifeng Zong , Fenqin Zhu
Abstract: This application provides a handover method and apparatus. The method includes: determining, by a first control plane function network element, at least one bearer that needs to be established when a protocol data unit PDU session of a terminal in a first network is to be switched to a packet data network PDN connection in a second network; and obtaining, by the first control plane function network element, tunnel information of the PDN connection, where the tunnel information of the PDN connection includes user plane tunnel information corresponding to each of the at least one bearer.
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公开(公告)号：US10674349B2
公开(公告)日：2020-06-02
申请号：US16448403
申请日：2019-06-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zaifeng Zong , Caixia Qi , Fenqin Zhu
Abstract: A subscription update method, device, and system, where the method is performed by a first event notification network element and includes: determining that a notification condition of a first subscription event of a first terminal is met; obtaining first callback address information of a target subscription network element; and sending a first message to the target subscription network element based on the first callback address information, where the first message carries an identifier of the first terminal and a first event notification of the first subscription event, and the identifier of the first terminal is used to correlate the first event notification with the first terminal.
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