Datang Mobile Communications Equipment Co., Ltd.

China Academy of Telecommunications Technology

Hucheng Wang

Shanzhi Chen

Hui Xu

Ming Ai

Yunjing Hou

Ying Wang

Juan Zhang

Yali Guo

Jiancheng Sun

Ming Al

Xianfeng Liu

Fei Qin

Aijuan Liu

Yong Jiang

Qiang Deng

Ye Zhou

Yanfei Zhou

A method and apparatus for determining a communication mode, and a storage medium, including: receiving a first message sent by a UE; acquiring, according to the first message, first network status information and second network status information corresponding to a target area; determining instruction information, according to the first network status information and the second network status information, where the instruction information is used to determine a target communication mode of the UE, and the target communication mode includes a Uu communication mode for the first type of radio access, a PC5 communication mode for the first type of radio access, a Uu communication mode for the second type of radio access or a PC5 communication mode for the second type of radio access; sending the instruction information to the UE.

Method and apparatus for determining communication mode, and storage medium

An information processing method, device and apparatus, and a readable storage medium are provided. The information processing method includes: obtaining information of a slice; determining, in accordance with the information of the slice, at least one of an analysis result related to the quantity of UEs in the slice or an analysis result related to the quantity of PDU sessions in the slice; and transmitting at least one of the analysis result related to the quantity of UEs or the analysis result related to the quantity of PDU sessions to a target network element.

Information processing method, device and apparatus, and readable storage medium

Embodiments of the present application provide methods for checking UE capability match, an AMF, a base station, and a storage medium. The method includes: determining to send a UE capability match request to a base station during a registration procedure initiated by the UE; sending a request for setting up a UE's access stratum (AS) security context to the base station, and sending the UE capability match request to the base station after it is determined that the base station completes setup of the AS security context; receiving a UE capability match acknowledgement returned from the base station. By the method according to the embodiment of the application, the problem that the base station does not respond to the UE capability match process requested by the AMF, which results in that the AMF cannot issue an indication of IMS voice over PS session to the UE during the registration process.

Method for checking UE capability match, AMF, base station and storage medium

The present application provides a method and an apparatus for floor control of an intra-group point-to-multipoint communication service, and a medium. The method includes: receiving a group call request sent by a first group terminal device in a target group, where the group call request includes identification information of the target group; determining, according to the identification information of the target group and a mapping relationship established in advance between identification information of each group and identification information of a terminal device with a control right, a terminal device with the control right corresponding to the target group; sending identification information of the terminal device with the control right to other group terminal devices in the target group; sending the identification information of the target group and a control right role indication to the terminal device with the control right.

Method and apparatus for floor control of intra-group point-to-multipoint communication service, and medium

Embodiments of the present application relate to the field of communication and provide a method, a network device, and an apparatus for communication system handover, and a medium, for handover of the communication system of a terminal. The method includes: includes an AMF sends a handover request carrying first indication information to an NG-RAN node corresponding to an identifier of a target NG-RAN node; and the NG-RAN node determines the address of data forwarding according to the first indication information.

Method, network device, and apparatus communication system handover, and medium

Disclosed are a method and device for determining analytics on UE behavior. The method of the present application includes: receiving, by a network function entity, target information of a UE; requesting an NWDAF to provide abnormal behavior analytics for the UE when the network function entity determines to perform the abnormal behavior analytics for the UE according to the target information; and/or triggering a PCF to perform policy control for an abnormal behavior of the UE when the network function entity determines to perform the policy control for the abnormal behavior of the UE according to the target information.

Method and device for determining terminal behavior analysis

Disclosed are a message transmitting method and apparatus, and a control method and apparatus therefor for solving the problem of whether a congestion control back-off timer still running in a first PLMN is still valid in a second PLMN after a UE moves from the first PLMN to the second PLMN. The message transmitting method comprises: when it is necessary to establish a new PDU session after a UE moves from a first PLMN to a second PLMN, determining indication information of a network side; and when the UE needs to transmit a session management (SM) message in the second PLMN, determining, according to the indication information, whether a congestion control back-off timer of the UE in the first PLMN is still valid in the second PLMN.

Message transmitting method and apparatus, and control method and apparatus therefor

Disclosed are a PDU session activation method and apparatus, and a paging method and apparatus. In the PDU session activation method, after receiving a downlink data arrival notification message, an SMF entity determines that a PDU session for transmitting downlink data is a multi-access PDU session, and then determines at least one access and mobility management function (AMF) entity corresponding to the multi-access PDU session; and the SMF entity sends a session activation trigger message to the at least one AMF entity, and the session activation trigger message carries at least the session identifier of the multi-access PDU session, and the session activation trigger message enables the at least one AMF entity to activate any or specified one of at least two user plane connections corresponding to the multi-access PDU session according to the multi-access PDU session corresponding to the session identifier.

PDU session activation method and apparatus, and paging method and apparatus

Provided are a protocol data unit (PDU) session management method and apparatus. The method includes: receiving an SM policy modification request for a PDU session, and the request triggering establishment of a first QoS flow in the PDU session, in which the PDU session is established by a first terminal; in response to no data transmission tunnel having a same identifier as a flow identifier of the first QoS flow existing between a first UPF of a first satellite and a second UPF of a second satellite, establishing a first data transmission tunnel between the first UPF and the second UPF; and instructing the first UPF to transmit data of the first QoS flow through the first data transmission tunnel.

Protocol data unit (PDU) session management method and apparatus

The preset disclosure provides an information processing method and device. The information processing method is performed by a user equipment (UE) operating in a single registration mode, and includes: receiving assistance information from a first network; initiating an attaching or initial registration procedure according to the assistance information received from the first network when moving between the first network and a second network, the first and second networks utilizing different access technologies.

Information processing method and device

Provided in the embodiments of the present application are a method and device for monitoring network data. The method comprises: a NWDAF determines a terminal UE to be monitored that requires network data analysis and the type of data analysis for the UE to be monitored; the NWDAF determines a provider network function network element and a monitoring event which correspond to the UE to be monitored according to the type of data analysis for the UE to be monitored, the provider network function network element being used to provide source data for the UE to be monitored which is related to the data analysis type, and the monitoring event being used to indicate to the provider network function network element to monitor the source data; and the NWDAF sends the monitoring event to the provider network function network element.

Method and device for monitoring network data

The present disclosure provides a routing method and a routing device. The routing method includes: receiving, by an AMF, a first message from an (R)AN, the first message including session-related information and routing information associated with the session-related information; and routing, by the AMF, the session-related information to a relevant SMF in accordance with the routing information. According to the present disclosure, it is able to correctly route the session-related information between the (R)AN and the SMF.

Routing method and device

Disclosed are an information processing method and apparatus, and a computer storage medium, and same are used for setting, based on mobility-related information of a terminal, mobility management parameters of the terminal, so that registration area management and accessibility management can be carried out using a mobility behavior analysis result of the terminal. The information processing method provided in the present application comprises: an AMF receiving mobility-related information of a terminal, and the mobility-related information of the terminal is mobility analysis/prediction information, sent by an NWDAF, of the terminal or mobility management policy information, sent by a PCF, of the terminal; and the AMF setting, according to the mobility-related information of the terminal, mobility management parameters of the terminal.

Information processing method and apparatus, and computer storage medium

A method of updating a PDU session and a network-side device are provided. The method includes: after a User Equipment UE moves across PLMNs or across systems, determining that the UE has a first PDU session of which an anchor SMF is not in a current PLMN; determining a Session Management Function V-SMF in a Visited Public Land Mobile Network VPLMN for the first PDU session, and updating the first PDN session by using the V-SMF.

Method for updating PDU session and network side-device

A data transmission method, a data transmission apparatus, and a session management device are provided. The data transmission method includes obtaining state information of a UE to which downlink data is destined; selecting, for the UE, a first gateway function entity for transmission of the current downlink data according to the state information of the UE; determining a first data transmission path between the first gateway function entity and a second gateway function entity; and performing the transmission of the downlink data according to the first data transmission path.

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Beijing, China

Hucheng Wang