公开(公告)号：US11431807B2

公开(公告)日：2022-08-30

申请号：US17106790

申请日：2020-11-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei Lu ,  Weisheng Jin

IPC: G06F15/173 ,  H04L67/141

Abstract: This application relates to a data transmission method. The method includes a terminal device receives indication information from a policy control function (PCF) network element. The indication information indicates data network access identifier information corresponding to an application. The method also includes the terminal device determines, based on the indication information, a PDU session for transmitting data of the application.

公开(公告)号：US11310658B2

公开(公告)日：2022-04-19

申请号：US16850316

申请日：2020-04-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei Lu ,  Huan Li ,  Weisheng Jin

IPC: H04W8/20 ,  H04W8/24

Abstract: A method and an apparatus for determining a status of a terminal device, and a device are disclosed. The method includes: obtaining, by an access and mobility management network element, an access type used by the terminal device to access a network, where the access type includes at least one of 3rd generation partnership project (3GPP) access and non-3GPP access; and determining, by the access and mobility management network element based on a status of the terminal device in the access type, the status of the terminal device, where the status of the terminal device includes at least one of a loss-of-connectivity state and an available-to-connectivity state. By using the method according to the embodiments of the present disclosure, accuracy of determining the status of the terminal device is improved.

公开(公告)号：US11297588B2

公开(公告)日：2022-04-05

申请号：US16720417

申请日：2019-12-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei Lu ,  Huan Li

IPC: H04W4/00 ,  H04W60/06 ,  H04W76/15 ,  H04W8/24 ,  H04W68/02 ,  H04W88/06

Abstract: Embodiments of this disclosure provide a deregistration method, a session handling method, and an apparatus. The deregistration method includes: determining, by a terminal device, that the terminal device enters a deregistration state of a first access network; and setting, by the terminal device, a status of the terminal device to deregistered from the first access network. According to the method, the terminal device is deregistered from the first access network.

公开(公告)号：US11240745B2

公开(公告)日：2022-02-01

申请号：US16811810

申请日：2020-03-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shuigen Yang ,  Wenqi Sun ,  Wei Lu ,  Wei Tan ,  Zhenni Feng ,  Ruobing Jiang

IPC: H04W48/18 ,  H04L12/24 ,  H04W24/02

Abstract: A network slice instance processing method and apparatus, and a system, the method including receiving, by a first network device, a first message sent by a second network device, where the first message requests that the first network device modify a first network slice subnet instance (NSSI) managed by the first network device, and where the first NSSI is shared by a plurality of network slice instances (NSIs) managed by different network devices, determining, by the first network device, whether the first NSSI is allowed to be modified, and performing, by the first network device, subsequent processing according to a determination of whether the first NSSI is allowed to be modified.

公开(公告)号：US11159997B2

公开(公告)日：2021-10-26

申请号：US16551196

申请日：2019-08-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei Lu ,  Weisheng Jin

IPC: H04W36/02 ,  H04W36/08

Abstract: A communication method and an apparatus are disclosed. The method includes: receiving, by a target access network device, at least one first packet of a terminal when the terminal is handed over from a source access network device to the target access network device; buffering the at least one first packet; and sending the at least one buffered first packet to the terminal when the target access network device receives a second packet and a third packet from the source access network device, or the target access network device receives one of the second packet and the third packet and does not receive the other one of the second packet and the third packet within a preset period, or the target access network device does not receive the second packet or the third packet within the preset period.

公开(公告)号：US11102062B2

公开(公告)日：2021-08-24

申请号：US16799492

申请日：2020-02-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wenqi Sun ,  Ruobing Jiang ,  Wei Lu ,  Shuigen Yang ,  Wei Tan ,  Zhenni Feng

IPC: H04L12/24 ,  H04B7/0413 ,  H04B7/06 ,  H04B7/08 ,  H04B7/185 ,  H04W8/18 ,  H04W16/14 ,  H04W16/28 ,  H04W28/16 ,  H04W36/08 ,  H04W48/16 ,  H04W36/06 ,  H04W36/18 ,  H04W84/06

Abstract: A configuration method and a corresponding apparatus are provided, to provide a mechanism for configuring, for a RAN, a network slice supported by the RAN. The configuration method includes: sending, by a first network management device, network slice configuration information to a second network management device, where the network slice configuration information includes information that indicates a network slice supported by the access network RAN, and the second network management device has a function of configuring the RAN; and receiving, by the first network management device, a message that is returned by the second network management device and that indicates that configuration the RAN is completed.

公开(公告)号：US20210211958A1

公开(公告)日：2021-07-08

申请号：US17207468

申请日：2021-03-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haoren Zhu ,  Wei Lu ,  Hualin Zhu ,  Huan Li

IPC: H04W36/08 ,  H04W36/36 ,  H04W36/00 ,  H04W36/32

Abstract: Embodiments of this application provide a gateway handover method, a gateway reselection method, and a communications apparatus. The method includes: A source gateway determines to perform gateway handover on a terminal device; determines a target gateway that is to be used to serve the terminal device; and hands over the terminal device from the source gateway to the target gateway. According to the gateway handover method, the gateway reselection method, and the communications apparatus provided in the embodiments of this application, in a non-3GPP network architecture, when gateway handover needs to be performed on the terminal device, the source gateway of the terminal device or the terminal device may hand over the terminal device from the source gateway of the terminal device to the target gateway, to implement gateway handover in the non-3GPP network architecture.

公开(公告)号：US20200344823A1

公开(公告)日：2020-10-29

申请号：US16926216

申请日：2020-07-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei Lu ,  Hualin Zhu ,  Huan Li

IPC: H04W76/10 ,  H04W68/00 ,  H04W48/08

Abstract: A communications method and apparatus related to the field of communications technologies and includes receiving, by an access and mobility management network element, a first message corresponding to a packet data unit (PDU) session from a session management network element, where the first message includes first information to be sent to a terminal, and where the PDU session is established based on a non-3rd Generation Partnership Project (non-3GPP) access, and sending, by the access and mobility management network element, the first information to the terminal using a 3GPP access.

公开(公告)号：US20190090169A1

公开(公告)日：2019-03-21

申请号：US16192037

申请日：2018-11-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei Lu ,  Weisheng Jin

IPC: H04W36/08 ,  H04W36/00 ,  H04W88/16 ,  H04W8/08 ,  H04W76/12 ,  H04W76/11

Abstract: Embodiments of the present invention provide a communication method includes: when a terminal is handed over from a source access network device to a target access network device, receiving, by a Mobile Edge Computing MEC network element, address information of the target access network device that is sent by the target access network device; and changing, by the MEC network element, stored address information of the source access network device to the address information of the target access network device. In the embodiments of the present invention, when the terminal is handed over from the source access network device to the target access network device, the MEC network element receives the address information of the target access network device that is sent by the target access network device, and changes the stored address information of the source access network device to the address information of the target access network device.

公开(公告)号：US09877228B2

公开(公告)日：2018-01-23

申请号：US14939860

申请日：2015-11-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei Lu ,  Fenqin Zhu

IPC: H04W28/12 ,  H04W28/02

CPC classification number: H04W28/0289

Abstract: The present invention discloses an overload control method, a gateway device, a mobility management entity, and a PGW. The method includes: determining, by a gateway device, first overload indication information, where the first overload indication information is used to indicate an overload control policy; and sending, by the gateway device, the first overload indication information to a mobility management entity, so that the mobility management entity executes the overload control policy according to the first overload indication information. According to the overload control method, the gateway device, the mobility management entity, and the PGW in embodiments of the present invention, adverse impact brought by device overload can be avoided; therefore, the device overload can be effectively controlled.