Abstract: A communication method includes receiving, by a first communication apparatus, indication information from a second communication apparatus, and determining, by the first communication apparatus, a first quality of service (QoS) of the extended reality (XR) service based on the at least one piece of QoS of an XR service. The first communication apparatus is a core network device or an access network device. The indication information is useable to indicate at least one piece of QoS of the XR service. The XR device receives data of the XR service or sends data of the XR service by a terminal device. The second communication apparatus is an XR server or a chip in the XR server.

Abstract: This application provides a communication processing method for data transmission. A terminal-side device may adjust transmission of an uplink data burst in time based on time of arriving at an access stratum of the terminal-side device, a maximum peak rate, and a maximum data burst volume that are indicated by a network. This helps adapt to a network resource and improve a network load balancing capability.

Abstract: This application provides a configuration method. The method includes: receiving, by a network repository network element, a request message from a second network element, where the request message includes information about a network slice, and the request message is used to request to obtain status information of a system feature supported by the network slice; and sending, by the network repository network element based on the request message, the status information of the system feature supported by the network slice to the second network element. Based on this solution, the second network element may obtain, from the network repository network element, the status information of the system feature supported by the network slice. The status information of the system feature supported by the network slice includes status information of an NF service corresponding to the system feature.

Abstract: Embodiments of this application provide for a service data flow transmission method, a communication apparatus, and a communication system. In the method, a network device obtains, from one or more received data packets, an identifier of a first data packet group, information indicating generation time of the first data packet group, and downlink transmission time window information of the first data packet group. Also in the method, the network device sends a data packet in the first data packet group to an access network device. At least one data packet in the first data packet group is sent together with the identifier of the first data packet group, the information indicating the generation time of the first data packet group, and the downlink transmission time window information of the first data packet group.

Abstract: A service data flow transmission method, a communication apparatus, and a communication system. The method includes: a user plane network element receives characteristic information of a service data flow and QoS information of the service data flow, where the characteristic information of the service data flow indicates traffic characteristic information corresponding to different time slices of the service data flow in a time period, and the QoS information indicates QCIs corresponding to the different time slices; determines, based on the characteristic information of the service data flow, a first time slice corresponding to a data packet of the service data flow; and sends the data packet to an access network device based on the first time slice corresponding to the data packet of the service data flow and a QCI corresponding to the first time slice.

Abstract: This application relates to the field of communication technologies, and provides a communication method and apparatus, to improve transmission performance of a communication network. In the method, a first QoS flow corresponding to a plurality of QoS parameter sets is provided. In a transmission process, a terminal device, an access network device, and a UPF may adjust, based on a change of a service requirement of a target service, a QoS parameter set corresponding to the first QoS, and transmit a service of target data based on the QoS parameter set.

Abstract: This application provides a data transmission method and an apparatus. In the method, a first data unit is received from a server or a data network, wherein the first data unit comprises first identification information and second identification information, a target transmission requirement corresponding to the first data unit is obtained based on the first identification information, protocol data encapsulation is performed on the first data unit based on the target transmission requirement, to obtain a second data unit that comprises third identification information related to the second identification information; and the second data unit is sent to an access network device.

Abstract: In a network function (NF) management method, a NF management device receives an NF discovery request sent by a first NF component, where the NF discovery request includes a second NF identifier that indicates a second NF. The NF management device obtains component information of a second NF component based on the second NF identifier, where the second NF component has the second NF, and the component information includes a discovery policy of the second NF component and a second NF component identifier. The NF management device determines, based on the discovery policy in the component information, that the first NF component can access the second NF component, and sends the second NF component identifier to the first NF component.

Abstract: This application provides example communication methods, apparatuses, and systems. One example method includes receiving, by a user plane network element, characteristic information of a service data flow, where the characteristic information describes a characteristic of the service data flow. The user plane network element identifies a data packet group in the service data flow based on the characteristic information of the service data flow. The user plane network element sends the data packet group to an access network device.

Abstract: A communication method includes receiving, by a first communication apparatus, indication information from a second communication apparatus, and determining, by the first communication apparatus, a first quality of service (QoS) of the extended reality (XR) service based on the at least one piece of QoS of an XR service. The first communication apparatus is a core network device or an access network device. The indication information is useable to indicate at least one piece of QoS of the XR service. The XR device receives data of the XR service or sends data of the XR service by a terminal device. The second communication apparatus is an XR server or a chip in the XR server.

Abstract: A communication method is provided. A first network element receives an association identifier of a first application from a session management network element, where the association identifier is for associating different quality of service QoS flows of the first application. The first network element performs joint scheduling on the plurality of QoS flows of the first application that each carry the association identifier. Based on this solution, the first network element can identify, based on the association identifier, QoS flows belonging to a same application, and perform joint scheduling, and it is ensured that the QoS flows of the same application can arrive at a terminal device simultaneously or a time interval between arrivals at the terminal device is small, so that service experience of a user can be improved.

Abstract: Embodiments of the present invention relate to the communications field, and provide a method for determining a control plane node, an apparatus, and a wireless communications system, so as to select, for UE, a control plane node corresponding to a network slice to which the UE belongs, thereby ensuring that the control plane node can provide a customized service for the UE. The method includes: obtaining, by UE, indication information, where the indication information is used to indicate a network slice to which the UE belongs; and sending, by the UE, an access layer request message to a radio access network node, where the access layer request message includes the indication information, and the access layer request message is used to trigger the radio access network node to determine, based on the indication information, a control plane node corresponding to the network slice for the UE.

Abstract: This application provide a MEC-based positioning method, a device, and a wireless communication system. The method includes: A first network element receives first positioning request information for requesting to position a terminal, and the first positioning request information carries identification information of the terminal. The first network element determines, based on the first positioning request information, a positioning functional entity for positioning the terminal, where the positioning functional entity is a positioning server. The first network element obtains second positioning request information based on the first positioning request information, and sends the second positioning request information to the positioning server. After receiving the second positioning request information, the positioning server sends measurement request information to the terminal via a user plane, to request the terminal to report measurement data.

Abstract: Embodiments of this application disclose example data transmission methods and example communication apparatuses. One example method includes receiving, by a first core network function entity, multi-stream transmission information of a service, where the multi-stream transmission information indicates that the service is transmitted via first split data and second split data. The first core network function entity can then receiver, based on the multi-stream transmission information, first quality of service QoS configuration information and second QoS configuration information, where the first QoS configuration information corresponds to the first split data, and the second QoS configuration information corresponds to the second split data. The first core network function entity can then output the first QoS configuration information and the second QoS configuration information.

Abstract: The present disclosure relates to positioning request processing methods, devices, and systems In one example method, a mobility management network element receives a request message, and sends a first message to a location management network element based on the request message, where the first message is used to trigger the location management network element to obtain location information of a first terminal device through user plane positioning. After receiving the first message, the location management network element sends a second message to the first terminal device based on the first message by using a protocol data unit (PDU) session of the first terminal device, where the second message indicates the first terminal device to report positioning data.

Abstract: The present disclosure relates to mobile edge computing (MEC) information obtaining methods and apparatus. One example method performed by a first network element includes receiving target reference information from a second network element, and sending, to the second network element, information about a MEC platform corresponding to the target reference information. The target reference information comprises target capability information.

Abstract: A configuration method, a negotiation method, and an apparatus are provided. The configuration method includes: sending, by a network slice management network element, configuration information to a network device, where the configuration information includes information about a network slice and a system feature supported by the network slice; and receiving, by the network slice management network element, a configuration completion indication from the network device. Based on this solution, the related information of the network slice can be configured for the network device.

Abstract: In a control plane connection management method, a core network function entity determines, based on a service requirement of a service, information about a first connection requirement for a control plane connection of a terminal. The first connection requirement is for activating the control plane connection between the terminal and an access and mobility management function entity. The core network entity constructs a first control plane requirement message that contains identifier information of the terminal and the information about the first connection requirement. The core network entity then sends the first control plane requirement message to the access and mobility management function entity to instruct the access and mobility management function entity to activate the control plane connection of the terminal.

Abstract: An exemplary embodiment provides a communication method and an apparatus. The method includes: receiving, by a UCF, a first message from a terminal device, where the first message includes first information and an identifier of the terminal device; learning, by the UCF, of a first service type based on the first message; learning, by the UCF based on the service type and the identifier of the terminal device, of a first NF that serves the terminal device; and sending, by the UCF, the first information to the first NF, where the first information is information that the terminal device sends to the first NF.

Abstract: The present disclosure relates to terminal positioning methods, apparatus, and systems. In one example method, a first device obtains a first indication from a first network, where the first indication is used to indicate that a terminal is to be handed over to a second network. The first device obtains an identifier of a mobility management network element of the second network. The first device sends first information to the mobility management network element of the second network, where the first information is used to execute a location service for the terminal.