Abstract: This application provide a communication method for a multicast and broadcast service (MBS) performed by an electronic device. The method includes: receiving a data management creation/update request transmitted by a network exposure function, the request including a data set identifier used for indicating a user equipment policy, a data subset identifier used for indicating that a data type is an MBS service, a data keyword used for indicating a multicast/broadcast address, a data sub-keyword used for indicating network slice information and a data network name or used for indicating an MBS session identifier, and a data set used for indicating MBS service data; transmitting a DM creation/update response to the NEF; and transmitting a DM notification request to a policy control function, the DM notification request being used for causing the PCF to transmit, to the UE, policy information of which a UE policy type is an MBS service.

Abstract: A method for implementing multicast broadcast service handover includes: acquiring a PDU session associated with an MBS session, S-NSSAI of the PDU session being the same as S-NSSAI of the MBS session, a DNN of the PDU session being the same as a DNN of the MBS session; acquiring an MBS session identity of the MBS session; acquiring policy rule information corresponding to the activated MBS session from a PCF according to the MBS session identity, one or more pieces of policy rule information being provided; and establishing a quality of service flow corresponding to the activated MBS session on the PDU session according to the policy rule information corresponding to the activated MBS session, one or more quality of service flows being provided.

Abstract: A report control method includes: transmitting, by a session management function (SMF), control information to an edge application server discovery function (EASDF), the control information being used for banning, stopping, or reducing transmission of a report to the SMF by the EASDF.

Abstract: Embodiments of the present disclosure provide a method for implementing multicast broadcast service handover at a computer device acting as user equipment. The method includes: obtaining a PDU session associated with the MBS session, S-NSSAI of the PDU session being the same as S-NSSAI of the MBS session, and a DNN of the PDU session being the same as a DNN of the MBS session; obtaining an MBS session identity of the MBS session; obtaining, from an MB-SMF according to the MBS session identity, quality of service flow information corresponding to the activated MBS session; and establishing, on the PDU session according to the quality of service flow information corresponding to the activated MBS session, a quality of service flow corresponding to the activated MBS session, the quality of service flow corresponding to the activated MBS session including one or more quality of service flows.

Abstract: This discloses relates to an application program control method and apparatus. The method includes that: an application entity receives a notification message transmitted by a core entity (320), the notification message indicating that a change in a parameter value of a quality of service notification control (QNC) of a non-guaranteed bit rate (GBR) bearer flow satisfies a reporting condition; and the application entity controls an application program according to the notification message (340). According to this application, the application entity may perceive a change in a wireless network state of the non-GBR bearer flow, and further actively control running of the application program according to the change.

Abstract: The present disclosure provides a method for implementing communication continuity at a computer device acting as an application function (AF) device corresponding to user equipment (UE), the UE establishing a wireless connection to a source application server (AS) using allocated UE source network address information. The method includes: determining a data service migration from the source AS to a target AS; transmitting a network address translation (NAT) parameter to a session management function (SMF), so that the SMF determines a target user plane function (UPF)/protocol data unit (PDU) session anchor (PSA) for performing NAT translation on a received data packet according to the NAT parameter; and configuring a third NAT parameter for the target AS according to the NAT parameter, and migrating the data service from the source AS to the target AS, so that the target AS performs NAT translation on the data packet according to the third NAT parameter.

Abstract: A method for controlling an application includes receiving, by a terminal, a changed parameter value of quality of service (QoS) notification control (QNC) of a non-guaranteed bit rate (GBR) bearer flow from a core entity, and controlling, by the terminal, the application according to the changed parameter value of QNC.

Abstract: Handover process-based message transmitting methods and apparatuses for mobile communication are provided. A control parameter of quality of service (QoS) notification control (QNC) of a non-GBR bearer flow is transmitted by a source access network device to a target access network device during a handover process, so that the target access network device transmits a notification message to an application entity via a core network entity in a case that a change in a parameter value of the QNC of the non-GBR bearer flow after the handover is completed meets a reporting condition. The control parameter of the QNC indicates a parameter of the QNC of the non-GBR bearer flow and the reporting condition.

Abstract: A method for notifying a quality of service (QoS) change includes determining that a change of a parameter of QoS notification control (QNC) of a non-guaranteed bit rate (non-GBR) bearing flow in a mobile network meets a reporting condition. The method further includes, in response to the determination that the change of the parameter of the QNC meets the reporting condition, transmitting a notification message to an application entity by an access network device through a core network entity.

Abstract: A communication method and a communications apparatus are provided, to verify a user equipment route selection policy (URSP) used by a terminal apparatus. The communication method includes: obtaining information about a first application of at least one packet data unit (PDU) session, where the information about the first application is determined based on a first URSP; and sending the information about the first application to a. second network element, where the information about the first application is used to verify whether information about a second application of the at least one PDU session matches the information about the first application, and the information about the second application is information about an application to which a data packet in the at least one PDU session belongs.

Abstract: A method for implementing multi-cast broadcast service handover and a related device. The method is applied to a user equipment, and the method includes: receiving a handover complete indication transmitted by a target base station; triggering establishment of a protocol data unit (PDU) session on a target base station side in response to a determination that the target base station does not support the MBS, so that a session management function (SMF) subscribes to a multicast broadcast-unified data manager (MB-UDM); and causing the SMF to acquire quality of service flow information corresponding to the activated MBS session in a modification procedure of the triggered PDU session after the MBS session is activated, to establish a quality of service flow corresponding to the activated MBS session in the PDU session, there being one or more pieces of quality of service flow information.

Abstract: A method, an apparatus, a computer-readable medium, and an electronic device for communication are provided. The communication method includes: receiving a request message transmitted by an application function (AF) entity, the request message including a service characteristic of an interactive service data flow, the service characteristic of the interactive service data flow including periodicity information and flow direction information; generating a policy and charging control (PCC) rule based on the request message, the PCC rule including a quality of service (QoS) parameter corresponding to the service characteristic of the interactive service data flow; and transmitting, to a session management function (SMF) entity, the PCC rule upon which a QoS configuration file is transmitted from the SMF entity to a radio access network (RAN) side, the QoS configuration file comprising a QoS flow for the interactive service data flow.

Abstract: This application provides a QoS flow control method and an apparatus. An SMF network element receives first indication information sent by an access network apparatus, where the first indication information is used to indicate that a first QoS target of a QoS flow cannot be met; and the SMF network element does not process the QoS flow if the SMF network element receives second indication information in a first preset time; or the SMF network element deletes or modifies the QoS flow if the SMF network element does not receive second indication information in a first preset time, where the second indication information is used to indicate that the first QoS target can be met.

Abstract: In a communication method, a first access network device sends first information to a second access network device, where the first information is used to indicate that the first access network device has notified a core network device that a quality of service requirement of at least one quality of service flow cannot be met; the second access network device may send second information to the core network device, where the second information is used to notify the core network device that a quality of service requirement of a first quality of service flow in the at least one quality of service flow can be met, and the first quality of service flow is a quality of service flow that has been handed over from the first access network device to the second access network device.

Abstract: Embodiments of this disclosure provide methods, apparatuses, non-transitory computer-readable storage medium, and electronic devices for a multicast broadcast service. A method includes: receiving a first multicast broadcast service (MBS) session start request, selecting an intermediate user plane node, transmitting a first user plane MBS session establishment request to the intermediate user plane node, receiving a first user plane MBS session establishment response fed back by the intermediate user plane node and transmitting a second MBS session start request to a son control plane node to instruct the son control plane node to allocate son user plane nodes to the intermediate user plane node.

Abstract: Example communication methods and apparatus are described. One example communication method includes receiving first indication information by a first network element from a second network element, where the first indication information is used to indicate that a current condition supports establishment of a session of a first network for a terminal apparatus. The first network element obtains first quality of service (QoS) control information of a first session of the terminal apparatus after receiving the first indication information, where the first session is a session established by the terminal apparatus by using a second network. The first network element sends the first QoS control information to the second network element.

Abstract: The present disclosure relates to data transmission methods and apparatus. One example method includes receiving, by user equipment, a first message sent by a control plane network element or a user plane network element, where the first message includes a correspondence between a first quality of service identifier NQI and a first reflective quality of service identifier (RQI), obtaining, by the user equipment, a second message sent by the user plane network element, and if the second message does not carry a second RQI, generating, by the user equipment, a first quality of service rule based on the second message and the correspondence between the first NQI and the first RQI, where the second RQI is used to instruct the user equipment to activate a reflective quality of service (RQ) mechanism.

Abstract: A communication method includes: selecting an ith level user plane node corresponding to an ith level control plane node, i=1, . . . , N, N being a positive integer; transmitting a user plane MBS session establishment request to an ith level user plane node, and receiving a user plane MBS session establishment response fed back by the ith level user plane node; and transmitting an MBS session start request to a son control plane node of the ith level control plane node, so that the son control plane node allocates son user plane nodes to the ith level user plane node, the MBS session start request including identification information of the ith level user plane node and a first MBS Internet Protocol (IP) multicast transmission address and a first common-tunnel endpoint identifier (C-TEID) that are allocated by the ith level user plane node.

Abstract: A communication method and apparatus for a multicast broadcast service, a computer-readable storage medium, and an electronic device. The method includes: transmitting a first user plane multicast broadcast service (MBS) session establishment request to a first user plane node corresponding to an ith level control plane node, and receiving a first user plane MBS session establishment response fed back by the first user plane node, i=1, . . . , N; transmitting a second user plane MBS session establishment request to a second user plane node, and receiving a second user plane MBS session establishment response fed back by the second user plane node; and transmitting a first MBS session start request to a son control plane node of the ith level control plane node.

Abstract: Example communication methods and communications apparatuses are provided to verify a user equipment route selection policy (URSP) used by a terminal apparatus. One example communication method includes obtaining information about a first application of at least one packet data unit (PDU) session, where the information about the first application is determined based on a first URSP, and then sending the information about the first application to a second network element, where the information about the first application is used to verify whether information about a second application of the at least one PDU session matches the information about the first application, and the information about the second application is information about an application to which a data packet in the at least one PDU session belongs.