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公开(公告)号：US20190191367A1
公开(公告)日：2019-06-20
申请号：US16282014
申请日：2019-02-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Hui NI , Fang YU , Yan LI , Xiaoqiang QIAO
Abstract: A network slice selection method and apparatus are disclosed. The method includes: receiving, by a first SSF device of a VPLMN, a first service request message; obtaining, by the first SSF device, roaming information of UE according to the first service request message; selecting, by the first SSF device, a first network slice instance in the VPLMN for the UE based on the roaming information of the UE.
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公开(公告)号：US20180248790A1
公开(公告)日：2018-08-30
申请号：US15965849
申请日：2018-04-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Shiyong TAN , Xiaoqiang QIAO
IPC: H04L12/721 , H04L12/851 , H04L12/803 , H04L12/841 , H04L12/26 , H04L12/751
CPC classification number: H04L45/38 , H04L43/106 , H04L45/02 , H04L45/306 , H04L47/125 , H04L47/2441 , H04L47/28
Abstract: The present disclosure discloses a route determining method, including: receiving a first flow entry which includes a first route mapping relationship and a first load ratio with respect to a full load capacity of each service node; receiving a second flow entry which includes a second route mapping relationship, a second load ratio with respect to a full load capacity of each service node, and a start time of the second flow entry; receiving a first packet of a first service flow; determining, according to a service chain identifier included in the first packet, that the first service flow is a first type of service flow; determining whether a time corresponding to a timestamp precedes the start time of the second flow entry; and if so, determining a service node for receiving the first packet according to the first flow entry; if not, determining a service node for receiving the first packet according to the second flow entry.
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公开(公告)号：US20210400463A1
公开(公告)日：2021-12-23
申请号：US17360877
申请日：2021-06-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaoqiang QIAO , Yan LI
Abstract: The present disclosure provides a user plane gateway updating method and apparatus, so as to resolve a prior-art technical problem that GW-U updating cannot be implemented when neither an MME nor a GW-C changes. Embodiments of the present disclosure provide four different solutions, for purposes of being compatible with an existing implementation mechanism and improving system efficiency, when a UE performs TAU, an EPS system of a distributed gateway can select, according to a current location of the UE, a best GW-U and re-establish a PDN connection, thereby optimizing a data transmission path and ensuring communication performance.
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4.发明申请公开(公告)号：US20180367651A1
公开(公告)日：2018-12-20
申请号：US15998591
申请日：2018-08-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yan LI , Xiaoqiang QIAO
CPC classification number: H04L69/26 , H04L67/1002 , H04L67/1027 , H04L67/42 , H04W92/14
Abstract: The present disclosure discloses an SCTP-based communications method and system, and an apparatus. The method includes: A network element selector receives an SCTP packet that includes a plurality of SCTP data chunks of a plurality of user terminals. Because each SCTP data chunk carries index information, the network element selector may select a service providing device for each user terminal based on the index information carried in each SCTP data chunk. Therefore, application layer messages of different user terminals in the SCTP may be routed to different servers based on LBI parameters, and corresponding session persistence is implemented in a subsequent interaction process.
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公开(公告)号：US20220132279A1
公开(公告)日：2022-04-28
申请号：US17568923
申请日：2022-01-05
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaoqiang QIAO , Yan LI
Abstract: An information transmission method includes: receiving, by a network element selector from a user equipment (UE), a first message including identification information of the UE; determining, based on the identification information of the UE, a user group to which the UE belongs; determining a controller corresponding to the user group; and receiving and sending a further message to the controller.
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Patent Agency Ranking
公开(公告)号：US20200100094A1
公开(公告)日：2020-03-26
申请号：US16678050
申请日：2019-11-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaoqiang QIAO , Yan LI
Abstract: The present disclosure provides a user plane gateway updating method and apparatus, so as to resolve a prior-art technical problem that GW-U updating cannot be implemented when neither an MME nor a GW-C changes. Embodiments of the present disclosure provide four different solutions, for purposes of being compatible with an existing implementation mechanism and improving system efficiency, when a UE performs TAU, an EPS system of a distributed gateway can select, according to a current location of the UE, a best GW-U and re-establish a PDN connection, thereby optimizing a data transmission path and ensuring communication performance.
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公开(公告)号：US20190297468A1
公开(公告)日：2019-09-26
申请号：US16441014
申请日：2019-06-14
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaoqiang QIAO , Yan LI
Abstract: Embodiments of this application provide an information transmission method, a network element selector, and a controller. The information transmission method provided in the embodiments of this application includes: receiving, by an NES from an external network element, a first message including identification information of UE; determining, based on the identification information of the UE, a user group to which the UE belongs; determining a controller corresponding to the user group; and then sending the first message to the controller.
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公开(公告)号：US20200267638A1
公开(公告)日：2020-08-20
申请号：US16802199
申请日：2020-02-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Hui NI , Fang YU , Yan LI , Xiaoqiang QIAO
Abstract: A network slice selection method and apparatus are disclosed. The method includes: receiving, by a first SSF device of a VPLMN, a first service request message; obtaining, by the first SSF device, roaming information of UE according to the first service request message; selecting, by the first SSF device, a first network slice instance in the VPLMN for the UE based on the roaming information of the UE.
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公开(公告)号：US20180288693A1
公开(公告)日：2018-10-04
申请号：US16002023
申请日：2018-06-07
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yan LI , Xiaoqiang QIAO
Abstract: A network element selection method and a network element selector are provided. The network element selection method includes: receiving, by a network element selector, a request message sent by a base station, where the request message includes information about user equipment UE and a service chain head, the service chain head includes a session index, and the session index is empty or the session index is allocated by a first controller serving the UE; determining, by the network element selector based on the session index, a controller providing a service; and sending, by the network element selector, the request message to the controller providing the service, so that the controller providing the service serves the UE. In this application, the network element selector is deployed to provide a load balance function.
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公开(公告)号：US20190223051A1
公开(公告)日：2019-07-18
申请号：US16360025
申请日：2019-03-21
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaoqiang QIAO , Yan LI
CPC classification number: H04W28/08 , H04L12/00 , H04L12/4625 , H04L47/125 , H04L67/1023 , H04L67/146 , H04W28/0263 , H04W48/18 , H04W76/11 , H04W88/18
Abstract: Embodiments provide a load balancing method. In this method, a first load migration instruction from an operation management system can be received by a network element selector, when a first controller dynamically changes. Record information may then be updated by the network element selector based on the the first load migration instruction. Interaction signaling of UE from an external network element may then be received and a second controller may be selected for the UE based on updated record information. The interaction signaling may be forwarded to the second controller. Embodiments can further provide devices related to this method. In various embodiments, utilization and availability of resources of a core network can be improved while load balancing is implemented.
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