公开(公告)号：US11503523B2

公开(公告)日：2022-11-15

申请号：US16970173

申请日：2019-04-15

Applicant: ZTE CORPORATION

Inventor： Zhendong Li ,  Jinguo Zhu

IPC: H04W36/14 ,  H04W36/00 ,  H04W36/08 ,  H04W48/16

Abstract: A network handover method includes: receiving a first handover request sent by a source base station connected to the core network of the first network, wherein the first handover request is used for requesting a handover of a user equipment from the source base station to a target base station, and the target base station is connected to at least one of the core network of the first network or a core network of a second network; determining, according to the first handover request, a core network of a target network accessed by the UE through the target base station, wherein the core network of the target network is the core network of the first network or the core network of the second network; and initiating the handover of the UE between the source base station and the target base station according to the core network of the target network.

公开(公告)号：US20200022031A1

公开(公告)日：2020-01-16

申请号：US16568230

申请日：2019-09-11

Applicant: ZTE Corporation

Inventor： Zhendong Li ,  Jinguo Zhu

IPC: H04W36/00 ,  H04W36/38

Abstract: Disclosed in embodiments of the present disclosure are a network handover method, apparatus and system. The method includes: a first network element instructing a source base station connected to a user equipment (UE) to initiate a handover during establishment of traffic for the UE; and a second network element initiating bearer establishment or Quality of Service (QoS) flow establishment after the UE has been handed over from a first access network to a second access network. With the embodiments of the present disclosure, a technical problem of an over-complicated handover between networks in the related art is solved.

公开(公告)号：US12193080B2

公开(公告)日：2025-01-07

申请号：US16947989

申请日：2020-08-26

Applicant: ZTE Corporation

Inventor： Jinguo Zhu ,  Zhendong Li

IPC: H04W36/14 ,  H04W36/00 ,  H04W48/18 ,  H04W76/11

Abstract: A method of handing over a mobile communication device from a first access network to a second access network (in one implementation) is as follows. In response to a protocol data unit session update request, a first computing device (e.g., an AMF) receives an identifier of a protocol data unit session and network slice information regarding a network slice to be used by the mobile communication device to communicate on the second access network using the protocol data unit session. The first computing device uses the network slice information to select a network slice instance and to select a second computing device (e.g., another AMF) within the network slice instance. The first computing device transmits, to the second computing device, a relocation request that includes the network slice information and the identifier of the protocol data unit session.

公开(公告)号：US11974355B2

公开(公告)日：2024-04-30

申请号：US17172711

申请日：2021-02-10

Applicant: ZTE Corporation

Inventor： Zhendong Li ,  Shuang Liang

IPC: H04W8/12 ,  H04W8/24 ,  H04W36/32 ,  H04W48/16 ,  H04W92/02

CPC classification number: H04W8/12 ,  H04W8/24 ,  H04W36/32 ,  H04W48/16 ,  H04W92/02

Abstract: Provided are an indication information sending method, apparatus and system, a storage medium, and an electronic device, where the indication information sending method includes: sending, by a first access and mobility management function (AMF), first indication information to a first target network element, where the first indication information is used for indicating whether a packet data unit (PDU) session is capable of interworking with a target network system.

公开(公告)号：US20230017217A1

公开(公告)日：2023-01-19

申请号：US17950953

申请日：2022-09-22

Applicant: ZTE Corporation

Inventor： Jinguo Zhu ,  Zhendong Li ,  Shuang Liang

IPC: H04W72/00 ,  H04W4/06

Abstract: Methods, apparatus, and systems for providing flexible multicast or broadcast session establishment and management are disclosed. In one example aspect, a wireless communication method is disclosed. The method includes receiving, by a broadcast and multicast or broadcast service center function, a request for establishing a multicast or broadcast session for an application function. The request comprises information indicating a target area for a multicast or broadcast service associated with the multicast or broadcast session. The method also includes determining, by the broadcast and multicast or broadcast service center function, at least one access and mobility management function based on the information; and transmitting, by the broadcast and multicast or broadcast service center function, a session trigger message to the at least one access and mobility management function to allow the at least one access and mobility management function to initiate an establishment of the multicast or broadcast session.

公开(公告)号：US11297542B2

公开(公告)日：2022-04-05

申请号：US16484411

申请日：2018-03-22

Applicant: ZTE CORPORATION

Inventor： Zhendong Li ,  Jinguo Zhu ,  Shuang Liang ,  Xiaoyun Zhou

IPC: H04W36/00 ,  H04W76/12 ,  H04W8/08 ,  H04W80/10 ,  H04W36/30

Abstract: Provided are a method for base station handover, a system, and a computer storage medium, the method comprising a first access and mobility management function (AMF) receives handover request information sent by a first base station, the handover request information serving to request handover of a UE from the first base station to a second base station; when the UE does not need to carry out cross-AMF handover, the first AMF sends a handover preparation request to the second base station requesting target resources for the UE; in a cross-AMF handover process, the AMF of the UE changes from a first AMF to a second AMF; when a UE needs to carry out a cross-AMF handover process, the first AMF sends handover request information to a second AMF, and the second AMF sends a handover preparation request to the second base station requesting target resources for the UE.

公开(公告)号：US11159991B2

公开(公告)日：2021-10-26

申请号：US16575550

申请日：2019-09-19

Applicant: ZTE CORPORATION

Inventor： Fei Lu ,  Zhendong Li ,  Jinguo Zhu

IPC: H04W4/00 ,  H04W36/00 ,  H04W76/12 ,  H04W76/11 ,  H04W76/27 ,  H04W48/16 ,  H04W60/00 ,  H04W80/10

Abstract: Provided are a method, apparatus and device for a terminal moving between a 4G network and a 5G network. The method includes: transmitting, by a management device corresponding to a target network, an access accept message, where the access accept message carries an activation indication; and the activation indication is used for indicating a terminal to reactivate a public data network (PDN) connection or a protocol data unit (PDU) session in a source network in the target network, or indicating the terminal that the PDN connection or the PDU session has been activated in the target network.

公开(公告)号：US10986543B2

公开(公告)日：2021-04-20

申请号：US16556210

申请日：2019-08-29

Applicant: ZTE Corporation

Inventor： Zhendong Li ,  Jinguo Zhu

IPC: H04W36/00 ,  H04W36/14 ,  H04W36/02 ,  H04W60/00

Abstract: Provided are a method and device for determining a bearer identifier (ID), and a storage medium. The above-mentioned method for determining the bearer ID includes that: a target access and mobility control function (tAMF) transmits a session update request to a session management function (SMF), and receives a session update response that carries bearer ID allocation information and that is fed back by the SMF. The above-mentioned technical solution may solve a problem in the related art, yet to be solved effectively, of how to determine allocated evolved packet system (EPS) bearer ID (EBI) information after mobility events such as idle state mobility within 5G, idle state mobility from 4G to 5G and a connected state handover from 4G to 5G occur.

公开(公告)号：US12289160B2

公开(公告)日：2025-04-29

申请号：US18174172

申请日：2023-02-24

Applicant: ZTE CORPORATION

Inventor： Zhendong Li

IPC: H04W56/00 ,  H04J3/06

Abstract: A wireless communication method for use in a network node is disclosed. The method comprises receiving, from a communication node, a message indicating a capability of being a grand master clock, and transmitting, to the communication node, announce information associated with a first announce message based on the capability.

公开(公告)号：US20250030495A1

公开(公告)日：2025-01-23

申请号：US18707111

申请日：2022-05-05

Applicant: ZTE Corporation

Inventor： Zhendong Li ,  Jie Tan ,  Jinguo Zhu

IPC: H04J3/06

Abstract: A wireless communication method for use in a first wireless network node is disclosed. The method includes receiving, from at least one second wireless network node, time synchronization status information associated with a switching of a grandmaster clock.