公开(公告)号：US20240049067A1

公开(公告)日：2024-02-08

申请号：US18486491

申请日：2023-10-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoyan Duan ,  Hui Jin

IPC: H04W36/00 ,  H04W36/14

CPC classification number: H04W36/0066 ,  H04W36/14 ,  H04W36/0072

Abstract: An inter-network change method and apparatus, where a terminal determines second network slice information to which first network slice information is mapped. The first network slice information is information about a first network slice accessed by the terminal, the second network slice information is information about a second network slice, the first network slice is a network slice in a first network, and the second network slice is a network slice in a second network. The terminal sends a request message to the second network and receives an accept message returned by the second network, such that the terminal accesses a network slice identified by network slice information accepted by the second network. It can be learned that embodiments of the present disclosure can implement a handover operation between network slices of different networks.

公开(公告)号：US11832134B2

公开(公告)日：2023-11-28

申请号：US17320940

申请日：2021-05-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hui Jin ,  Guowei Ouyang ,  Haorui Yang ,  Fenghui Dou ,  Yue He

IPC: H04W4/029 ,  H04W36/00 ,  H04W36/18 ,  H04W36/08

CPC classification number: H04W36/0022 ,  H04W4/029 ,  H04W36/0016 ,  H04W36/08 ,  H04W36/18

Abstract: An inter-communications-system moving method includes determining, by user equipment UE, whether a first session exists in a first communications system, where the first session is capable of being transferred from the first communications system to a second communications system; and sending, by the UE, a first message to a first core network device of the second communications system when determining that the first session exists, where the first message is used to establish a second session in the second communications system, and the second session corresponds to the first session.

公开(公告)号：US11805559B2

公开(公告)日：2023-10-31

申请号：US17527914

申请日：2021-11-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Fenghui Dou ,  Yue He ,  Hui Jin ,  Guowei Ouyang ,  Haorui Yang

IPC: H04W76/12 ,  H04W76/11 ,  H04W36/00 ,  H04W36/14 ,  H04W60/00 ,  H04W64/00 ,  H04W80/10

CPC classification number: H04W76/12 ,  H04W36/0011 ,  H04W36/14 ,  H04W60/005 ,  H04W64/003 ,  H04W76/11 ,  H04W80/10

Abstract: Embodiments of the present application relate to the field of communications technologies, and provide a session management method and system, and a terminal. The method includes: when user equipment UE has a first protocol data unit PDU session, sending, by the UE, a service request message to an access and mobility management function AMF entity; receiving, by the UE, a first message sent by the AMF entity; and determining, by the UE based on the first message, to re-establish or modify the first PDU session. In the embodiments of the present invention, the UE sends the service request message to the AMF entity, and then the AMF entity sends, to the UE, the first message used to determine to re-establish or modify the first PDU session.

公开(公告)号：US11570701B2

公开(公告)日：2023-01-31

申请号：US17256536

申请日：2018-07-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhenrong Wei ,  Li Shen ,  Hui Jin ,  Hao Song ,  Yanzhao He

IPC: H04W48/16 ,  H04W48/18 ,  H04W84/04

Abstract: A network search method includes presetting, by a terminal device, a Public Land Mobile Network (PLMN) and a networking mode associated with the PLMN, searching, by the terminal device based on a geographical location to obtain PLMN information of a current geographical location, determining, by the terminal device based on the preset PLMN and the networking mode associated with the PLMN, a current networking mode of the terminal device, and switching, by the terminal device, the networking mode based on a geographical location, signal strength, and a system message.

公开(公告)号：US20220385713A1

公开(公告)日：2022-12-01

申请号：US17772859

申请日：2020-08-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rui Yang ,  Fenghui Dou ,  Hui Jin

IPC: H04L65/613 ,  H04L67/568

Abstract: A media service processing method, applied to an electronic device, includes providing, by an application running on the electronic device, a media service for a user, sending, to a server, request signaling requesting to send data of the media service to an intermediate storage unit, storing, in the intermediate storage unit, the data, moving the data from the intermediate storage unit to a target storage unit, wherein storage space of the intermediate storage unit is greater than storage space of the target storage unit, obtaining the data from the target storage unit, and playing the data.

公开(公告)号：US11457500B2

公开(公告)日：2022-09-27

申请号：US16305171

申请日：2016-08-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hui Jin ,  Xiaoyan Duan ,  Guowei Ouyang

IPC: H04W76/25 ,  H04W76/11 ,  H04W76/27 ,  H04W48/16 ,  H04W48/18

Abstract: Embodiments of the present application provide user equipment (UE), a first core network entity, and a second core network entity, the first core network entity executes steps that include: establishing a signaling connection to the UE; receiving network slice information and a non-access stratum NAS message that are sent by the UE over the signaling connection; determining a target network slice from the at least one network slice based on the network slice information, wherein the target network slice comprises a second core network entity, and the UE performs NAS communication with the second core network entity by using the RAN and the first core network entity; and sending the NAS message to the second core network entity.

公开(公告)号：US20220256446A1

公开(公告)日：2022-08-11

申请号：US17583373

申请日：2022-01-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaoyan Duan ,  Hui Jin ,  Qiang Yi ,  Yue He

IPC: H04W48/18 ,  H04W36/00 ,  H04W36/04 ,  H04W36/16

Abstract: Embodiments provide a core network selection method, an apparatus, and a system. The method includes the following steps: obtaining first dedicated core network (DCN) information from an access network device, where the first DCN information includes information about at least one DCN that can be accessed by the access network device. The method also includes selecting a to-be-accessed DCN from the at least one DCN according to the first DCN information, and sending information about the to-be-accessed DCN to the access network device, so that the access network device determines a core network device according to the information about the to-be-accessed DCN.

公开(公告)号：US20220225439A1

公开(公告)日：2022-07-14

申请号：US17707458

申请日：2022-03-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hui Jin ,  Hongcheng Zhuang ,  Yongbo Zeng ,  Xiaoyan Duan

IPC: H04W76/10

Abstract: A data transmission method, applied to a first terminal device, includes receiving a first message from a second terminal device, determining a first session parameter based on the first message, determining a first session based on the first session parameter, receiving first data from the second terminal device, and sending the first data to a network device using the first session. The first terminal device may determine, based on the first message from the second terminal device, the first session parameter that meets a service requirement of the second terminal device, determine, based on the first session parameter, the first session that meets the service requirement of the second terminal device, and forward data of the second terminal device to the network device using the first session.

公开(公告)号：US11350356B2

公开(公告)日：2022-05-31

申请号：US17050281

申请日：2018-04-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haorui Yang ,  Hui Jin ,  Fenghui Dou ,  Xiaoyan Duan ,  Xiaojuan Li ,  Guowei Ouyang

IPC: H04W48/18 ,  H04W76/10 ,  H04W8/08 ,  H04W48/16 ,  H04W60/00

Abstract: Embodiments of this application relate to the field of communications technologies, and disclose a relay device selection method, and a user equipment, so that UE can select and update with an allowed S-NSSAI of the UE. The method may include: obtaining by UE, M pieces of first indication information, each indicates one allowed network slice of the UE; receiving by the UE, first messages sent by L relay devices, comprising N pieces of second indication information, wherein each indicates one allowed network slice of the relay device; and selecting by the UE, a random first relay device as a target relay device based on the M pieces of first indication information and the L pieces of first messages.

公开(公告)号：US11310843B2

公开(公告)日：2022-04-19

申请号：US16977307

申请日：2019-03-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaojuan Li ,  Haorui Yang ,  Hui Jin ,  Guowei Ouyang ,  Fenghui Dou ,  Xiaoyan Duan

IPC: H04L12/927 ,  H04W36/00 ,  H04W60/00 ,  H04W76/10 ,  H04L47/80 ,  H04W88/06

Abstract: This application discloses a PDU session establishment method and apparatus. The method includes: receiving, by a terminal device in a process of establishing a PDN connection in a first system, an access type that is sent by a core network device and that corresponds to the PDN connection in a second system; and when the terminal device moves to the second system, establishing, by the terminal device, a PDU session in the second system via an access network indicated by the access type, where the PDU session is associated with the PDN connection. Implementation of the present invention can increase a success rate of establishing a PDU session.