公开(公告)号：US11778044B2

公开(公告)日：2023-10-03

申请号：US17673285

申请日：2022-02-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Cuili Ge ,  Yanmei Yang

IPC: H04L67/146 ,  H04L12/18 ,  H04L65/80 ,  H04L67/141

CPC classification number: H04L67/146 ,  H04L12/18 ,  H04L65/80 ,  H04L67/141

Abstract: The technology provides a session establishment method and device. The method includes sending, by an SMF entity, a PDU session establishment request message to a terminal, where the PDU session establishment request message is used to request to establish a PDU session; and receiving, by the SMF entity, a PDU session establishment response message from the terminal. A method for actively initiating a PDU session establishment procedure on a network side is provided.

公开(公告)号：US20230189102A1

公开(公告)日：2023-06-15

申请号：US18165078

申请日：2023-02-06

Applicant: Huawei Technologies Co., Ltd

Inventor： Shengfeng Xu ,  Yanmei Yang ,  Yuan Wang

IPC: H04W36/00 ,  H04W76/14

CPC classification number: H04W36/03 ,  H04W76/14 ,  H04W88/04

Abstract: A communication method and apparatus are disclosed. The method includes a first terminal device determines a candidate relay device, where the candidate relay device includes at least one relay device, and sends a first message to a second terminal device, where the first message is used to request to change a relay device, and the first message includes an identifier of the candidate relay device. In the foregoing manner, the first terminal device may determine the candidate relay device, and send the first message to the second terminal device, so that the second terminal device can determine a second relay device from the candidate relay device based on the first message. In this way, a relay device between the first terminal device and the second terminal device can be changed from a first relay device to the second relay device.

公开(公告)号：US11540244B2

公开(公告)日：2022-12-27

申请号：US17148045

申请日：2021-01-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Cuili Ge ,  Yanmei Yang ,  Jingwang Ma ,  Zheng Zhou

IPC: H04W4/00 ,  H04W60/00

Abstract: The present disclosure relates to mobile edge computing (MEC) information obtaining methods and apparatus. One example method performed by a first network element includes receiving target reference information from a second network element, and sending, to the second network element, information about a MEC platform corresponding to the target reference information. The target reference information comprises target capability information.

公开(公告)号：US11516310B2

公开(公告)日：2022-11-29

申请号：US17374732

申请日：2021-07-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Cuili Ge ,  Yanmei Yang ,  Yizhuang Wu

IPC: H04L67/60

Abstract: This application provides a method and an apparatus for invoking an application programming interface (API), to determine a target exposing function network element used to invoke an API. The method includes: A first network element obtains routing information of an API, where the routing information is used to indicate a route for invoking the API, and the API is provided by a first exposing function network element and a second exposing function network element; the first network element obtains invocation parameter information of the API, where the invocation parameter information is used to handle the API; and the first network element determines a target exposing function network element in the first exposing function network element and the second exposing function network element based on the routing information and the invocation parameter information.

公开(公告)号：US11451950B2

公开(公告)日：2022-09-20

申请号：US17192256

申请日：2021-03-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Meng Li ,  Jiangwei Ying ,  Yanmei Yang

IPC: H04W8/06 ,  H04W8/08 ,  H04W8/12

Abstract: This application relates to the communications field, and discloses a communication method and a communications apparatus, so that a terminal device can register with a network through another network. The communication method is performed by a first access and mobility management function network element, including: receiving a first message from a terminal device, where the first message includes first identification information of the terminal device, and the first access and mobility management function network element is located in a first network; obtaining second identification information of the terminal device based on the first identification information; and sending a second message to a second access and mobility management function network element located in the second network, where the second message is used to request to register the terminal device with a second network, the second message includes the second identification information.

公开(公告)号：US11337040B2

公开(公告)日：2022-05-17

申请号：US16988177

申请日：2020-08-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yanmei Yang ,  Cuili Ge ,  Yizhuang Wu

IPC: H04W4/08 ,  H04W4/10 ,  H04W76/45 ,  H04W4/02 ,  H04W4/12 ,  H04W88/02 ,  H04W4/06

Abstract: The present application relates to broadcast bearer management methods and devices. One example method includes receiving, by a first bearer management server (BMS), a first message sent by a service server, where the first message includes a group identifier of a service group, determining, by the first BMS, a first broadcast bearer for the service group based on the first message, and sending, by the first BMS, a second message to the service server, where the second message carries user plane information of the first broadcast bearer.

公开(公告)号：US11275634B2

公开(公告)日：2022-03-15

申请号：US16928215

申请日：2020-07-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Cuili Ge ,  Yanmei Yang

IPC: G06F9/54

Abstract: This application discloses an authorization revocation method and an apparatus, and relates to the communications field. The method includes: receiving, by a first entity, an authorization revocation request message from a second entity, where the authorization revocation request message carries an identifier of an application programming interface (API) invocation entity; and sending, by the first entity, an authorization revocation response message to the second entity based on the authorization revocation request message.

公开(公告)号：US10999729B2

公开(公告)日：2021-05-04

申请号：US16708028

申请日：2019-12-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yizhuang Wu ,  Yanmei Yang

IPC: H04W8/00 ,  H04W4/10 ,  H04W76/14 ,  H04W72/04 ,  H04W84/18 ,  H04W92/18 ,  H04W84/08 ,  H04W76/45 ,  H04L5/00

Abstract: The present application discloses a discovery method and device, and relates to the field of wireless communications technologies, to resolve a problem that existing two communication parties cannot accurately discover each other, and then it cannot be ensured that the two communication parties perform service communication in a Prose manner. The method provided in the present application includes: sending a discovery message, where the discovery message includes application layer identifier information of a discovery target, and the discovery target is at least one target user or at least one communications group of a first user that uses the first MCPTT UE; and receiving a response message sent by second MCPTT UE, where the response message includes a layer 2 identifier of the second MCPTT UE and an application layer identifier of a user that uses the second MCPTT UE.

公开(公告)号：US20210099843A1

公开(公告)日：2021-04-01

申请号：US16953953

申请日：2020-11-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yanmei Yang ,  Manli Sun ,  Zhenglei Huang

IPC: H04W4/08 ,  H04W8/18

Abstract: This application provides a context management method and apparatus, to resolve a problem that contexts of a large quantity of terminals occupy a large amount of storage space of an AMF entity. The method includes: when a first core network device has stored group information corresponding to a terminal, establishing, by the first core network device, a correspondence between the terminal and the group information. This application relates to the field of communications technologies.

公开(公告)号：US20210099493A1

公开(公告)日：2021-04-01

申请号：US17120720

申请日：2020-12-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Manli Sun ,  Zhenglei Huang ,  Yanmei Yang ,  Haiyang Sun

IPC: H04L29/06 ,  G16Y40/50 ,  G16Y30/10 ,  H04L12/813 ,  H04L29/08

Abstract: A method for providing a restricted service and a communications device, where the method includes: receiving, by a policy control function (PCF), an identifier of a terminal and indication information, where the indication information is used to indicate that the terminal is in a state of exception or indicate an exception type of the terminal; and sending, by the PCF, the identifier of the terminal and a first restricted service policy according to the indication information, where the first restricted service policy is used to provide a restricted service for the terminal.