Huawei Technologies Co., Limited

Huawei Device Co., Ltd.

Datang Mobile Communications Equipment Co., Ltd.

Future Wei Technologies, Inc.

Xiaoyan Duan

Hui Jin

Qiang Yi

Shuiping Long

Haorui Yang

Chenliang Gao

Bo Zhang

Li Qin Shen

Jian Wang

Nathan Edward Tenny

Hua Li

Guowei Ouyang

Xiaojuan Li

Fenghui Dou

Yue He

Guiming Shu

Shujun Dang

Yunsong Yang

Peng Wang

Hongcheng Zhuang

Guorong Li

Jian Yang

Yinqing Jiang

Yongbo Zeng

Xiaojian Liu

Songping Yao

Guodong Xue

Hao Song

Xiaoguang Wu

Zhenrong Wei

Kai Yuan

Bei Dai

Xiaoyan Chen

Liwei Cui

Lei Fu

Guoqiong Cao

Pengfei Feng

Feifei Sui

Ding Wang

Xianglei Xin

Yongtao Fa

Embodiments of this application relate to the field of communications technologies, and disclose a session establishment method, and a user equipment. The method may include: receiving, by a relay device, a reconfiguration request message sent by an access network device, wherein the reconfiguration request message comprises data resource bearer (DRB) configuration information and an identity of user equipment (UE), wherein the DRB configuration information is information about a DRB corresponding to single-network slice selection assistance information (S-NSSAI) requested by the UE; and transmitting, by the relay device, signaling and/or data of the UE on the DRB corresponding to the DRB configuration information.

Session establishment method, relay device selection method, registration method, and device

The method for joining a multicast broadcast service (MBS) session includes: receiving, by the network device, MBS information sent by a User Equipment, UE; determining according to the MBS information, by the network device, information of a first Session Management Function, SMF, that currently serves an MBS session corresponding to the MBS information; and sending, by the network device, the MBS information to the first SMF according to the information of the first SMF, so that the first SMF handles the UE joining into the MBS session. In this way, the network device obtains the SMF that currently serves the MBS session by querying, so that one MBS session is only served by one SMF, avoiding the situation that SMFs serve the same MBS session, and simplifying the MBS session management.

Method and apparatus for joining multicast broadcast service (MBS) session

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.

Inter-network change method and apparatus, and related device

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.

Data transmission method and apparatus

LED light source

A network analytics transfer method and apparatus, and a network function entity are provided. The method includes receiving an analytics transfer request, wherein the analytics transfer request is configured to request to transfer first network analytics from a source network function entity to the target network function entity; obtaining analytics aggregation information of the first network analytics according to the analytics transfer request, wherein the analytics aggregation information includes aggregation indication information of one or more first network function sub-entities, and the first network function sub-entities are configured to provide first analytics results to the source network function entity; performing network analytics aggregation according to the analytics aggregation information to obtain an aggregated analytics result of the first network analytics.

Network analytics transfer method and apparatus, and network function entity

A wireless communication method is applied to a communications system including a UE, a RAN, a first core network entity, and at least one network slice. The wireless communication method includes: establishing, by the first core network entity, a signaling connection to the UE; receiving, by the first core network entity and from the UE via the signaling connection, network slice information and a non-access stratum NAS message; determining, by the first core network entity and based on the network slice information, a target network slice from the at least one network slice, where the target network slice includes a second core network entity, and the UE performs NAS communication with the second core network entity using the RAN and the first core network entity; and sending, by the first core network entity, the NAS message to the second core network entity.

Wireless communication method and device

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.

Core network selection method, apparatus, and system

A registration method applied in a terminal device includes sending a first request, where the first request is used to request to register in a first cell, receiving a first message, where the first message is used to indicate that the terminal device is successfully registered in the first cell, when the first message does not carry a first network slice identifier and the terminal device cannot establish a protocol data unit (PDU) session on a first network slice corresponding to the first network slice identifier, sending a second request, where the second request is used to request to register in a second cell, receiving a second message, where the second message carries a second network slice identifier, and establishing the PDU session on a second network slice corresponding to the second network slice identifier.

Register method in cell and terminal device

Embodiments of the present invention provide a service processing method and device. The service processing method includes: receiving a first message, where the first message includes first information of a first network slice, a priority corresponding to the first information, second information of a second network slice, and a priority corresponding to the second information; and preferentially processing a service of the high-priority network slice based on the priorities when a service of the first network slice collides with a service of the second network slice.

Service processing method and device

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.

A session management method by a terminal in which a network initiates a session deactivation procedure to deactivate one or more sessions of a terminal. After the terminal in an inactive mode establishes an RRC connection to a new second base station, the second base station indicates, through RRC connection reconfiguration, the terminal to delete related information of the to-be-deactivated session, or the second base station uses an RRC connection resume response message to carry an identifier of the one or more to-be-deactivated sessions, and the terminal deletes session-related information corresponding to the identifier of the one or more to-be-deactivated sessions. In this way, the terminal is enabled to process the related information of the to-be-deactivated session in a timely manner.

Session management method and apparatus, and communications system

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.

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.

PDU session establishment method and apparatus

Growing community of inventors

Beijing, China

Xiaoyan Duan