Abstract: A network access method and apparatus for improving network access accuracy of a terminal device are disclosed.

Abstract: This application provides methods and apparatuses, and relates to the field of communication technologies, A method includes a first network element receives a first message from an access network device, where the first message includes identification information of a terminal, identifies a terminal type, and if the terminal type is a first terminal type, sends the identification information of the terminal to an application server, or if the terminal type is a second terminal type, triggers an authentication procedure of the terminal.

Abstract: A communication method and apparatus are provided. The method includes: A first communication apparatus receives a first request, where the first request indicates the first communication apparatus to obtain information about a first tag. The first communication apparatus obtains the information about the first tag based on the first request, where the information about the first tag includes an identifier of the first tag. According to the method, after obtaining the information about the first tag, the first communication apparatus determines the corresponding first communication session for the information about the first tag, so that it can be ensured that the first communication apparatus can effectively and accurately transmit the information about the first tag by using the first communication session.

Abstract: Embodiments of this application provide a communication method, apparatus, and system. The method includes: A first user plane network element controls, based on a first AMBR, one or more data flows that are in data flows of a first session and that are transmitted on a data transmission channel of a first access technology; and a UL CL controls, based on a second AMBR, data flows that are in the data flows of the first session and that are transmitted on data transmission channels of a second access technology. This implements control on the data flows of the session and helps improve communication quality.

Abstract: A communication method and apparatus are provided, to support data transmission over a multi-access session through multiple 3GPP paths or multiple non-3GPP paths. Access technologies corresponding to a first transmission path and a second transmission path in the multi-access session are of a same access type. A session management device sends, to a mobility management device, tunnel information and access technology information that correspond to the transmission paths, where the access technology is used to determine an access network device. The mobility management device determines the access network device based on the access technology information, and sends the tunnel information to the access network device.

Abstract: A first network element first obtains an access request including access location information of a first terminal device; then, the first network element may obtain subscription information including subscription location information of the first terminal device; when the first network element determines that the access location information of the first terminal device does not belong to the subscription location information, the first network element may obtain allowed information for allowing the first terminal device to access a network at an access location corresponding to the access location information; and the first terminal device may further be allowed, based on the allowed information, to access the network at the access location corresponding to the access location information.

Abstract: A communication method and an apparatus to reduce signaling overheads in a registration process of a terminal device. The method includes: receiving a registration request from a read/write device, sending a transmission request to an application network element, and notifying the read/write device of a registration success. The registration request includes identification information of the terminal device, the registration request is used to request to register the identification information with a network, the transmission request includes the identification information, and the transmission request is used to request to transmit the identification information to the application network element.

Abstract: Embodiments of this application provide a terminal management method and a core network device. The method includes: A first core network device receives a first message from a terminal. When determining, based on quantity information, to allow the terminal to access the network, the first core network device sends a second message to an operation requester to which the terminal belongs. The quantity information includes a quantity of terminals that the operation requester is allowed to use, the second message includes first identification information. In embodiments of this application, the first core network device determines to allow the terminal to access the network, so that a quantity of terminals accessing the network among terminals corresponding to the operation requester can be prevented from being greater than or equal to the quantity of terminals that the operation requester is allowed to use.

Abstract: A communication method and apparatus. A user plane network element perform refined differentiated processing on different data packets to adapt to and meet different user requirements and network conditions. A first user plane network element receives a first data packet, where the first data packet carries first indication information. The first user plane network element processes the first data packet based on the first indication information. The first indication information includes one or more of the following: synchronous transmission indication information, packet discard indication information, data type indication information, charging indication information, statistics indication information, or priority indication information.

Abstract: A terminal management method and an apparatus, to implement management of terminals. The method includes: receiving, by a first device, a first instruction used to perform a first operation on one or more terminals, and determining, according to a management rule, whether performance of the first operation is allowed, and/or determining a target terminal to be subjected to the first operation. The solution is applicable to the field of communication technologies, the internet of things, artificial intelligence, the internet of vehicles, smart homes, or the like.

Abstract: This application discloses a communication method and a communication apparatus. The method includes: An access network element receives first indication information from a session management function network element, and activates a congestion acquisition function of the access network element based on the first indication information, where the congestion acquisition function is for obtaining a congestion status of the access network element in a data flow transmission process of a target service. The access network element obtains the congestion status of the access network element, and sends first congestion information to a terminal device or a user plane function network element to indicate the congestion status of the access network element. In this application, the access network element sends, to the user plane function network element or the terminal device, the first congestion information indicating the congestion status of the access network element.

Abstract: A communication method and an apparatus are provided, so that a terminal device can flexibly perform a handover procedure in a multicast service scenario. The method includes: sending, by a source access device, a first message to an access controller, where the first message is used to request to hand over a terminal device to a target access device, and the first message includes a multicast service context of the terminal device; and receiving, by the source access device, a fifth message from the access controller, wherein the fifth message is used to respond to the message used to request to hand over the terminal device to the target access device, and the fifth message comprises indication information indicating whether to forward multicast service data.

Abstract: This application provides a network access method. The method includes: obtaining location information corresponding to a service subscribed to by a first terminal device; obtaining a location of the first terminal device; determining, based on the location of the first terminal device and the location information, that the first terminal device is located in an area indicated by the location information; and sending first indication information to the first terminal device, where the first indication information indicates to access a hosting network, and the hosting network is used to provide the first terminal device with a connection for obtaining the service. According to the method, when it is determined that a terminal device is located in an area indicated by location information corresponding to a service, the terminal device is indicated to access a hosting network, so that the terminal device accesses the hosting network and obtains the service.

Abstract: A detection method, a communication apparatus, and a communication system are provided. The method includes: when a first detection result of a detected QoS flow meets a first trigger condition, detecting the QoS flow based on a first detection execution action corresponding to the first trigger condition, where the first detection execution action includes a detection frequency; and reporting a second detection result detected based on the first detection execution action. In this solution, the first trigger condition is searched for based on the first detection result, next detection of the QoS flow is performed based on the first detection execution action corresponding to the found trigger condition, and the second detection result is reported. Because a detection execution action is determined based on a previous detection result, a detection execution action corresponding to the QoS flow can be accurately determined.

Abstract: This application provides a method for performing onboarding. The method includes: A first core network device obtains first information, where the first information indicates that a terminal device performs onboarding, the first core network device is a core network device that serves the terminal device after the terminal device performs handover, and the first core network device supports an onboarding function. The first core network device performs onboarding on the terminal device based on the first information. According to the solutions of this application, after the terminal device performs handover, a core network device that serves the terminal device is the first core network device, and the first core network device supports the onboarding function. Therefore, according to the solutions of this application, the first core network device may continue to perform onboarding on the terminal device.

Abstract: Embodiments of this application provide a communication method and a communication device. The communication method includes: A mobility management device obtains first information of a terminal device, where the first information includes a home network identifier and/or a routing indicator that are/is of the terminal device, the first information indicates the mobility management device to select a second authentication device of a second network, a credential of the terminal device belongs to the second network, and the second authentication device is not deployed in the second network. The mobility management device selects a first authentication device based on the first information, where the first authentication device and the mobility management device belong to a first network. According to the method, in this application, the terminal device can be enabled to perform authentication when the second authentication device is not deployed in the second network.

Abstract: A communications method includes receiving, by a session management network element, a message for requesting to establish or modify a session, and determining, by the session management network element based on an access technology type corresponding to the session, whether to send a request message to an access management network element in the first communications network, where the request message requests the access management network element to allocate a connection identifier of a connection of the session in a second communications network.

Abstract: A data flow detection method and an apparatus. A user plane function network element receives first indication information, and performs in-situ flow information telemetry on a data flow of a terminal device based on the first indication information. Detection is performed based on a real data packet, and additional data traffic is able to not be simulated.

Abstract: An access network device obtains first information, where the access network device supports a 3rd generation partnership project 3GPP access technology; the access network device establishes a user plane connection to a first terminal device based on the first information; and the access network device obtains user plane data of the first terminal device via the user plane connection, and sends the user plane data to a first fixed network gateway device.

Abstract: This application provides a method for performing onboarding. The method includes: A first core network device obtains first information, where the first information indicates that a terminal device performs onboarding, the first core network device is a core network device that serves the terminal device after the terminal device performs handover, and the first core network device supports an onboarding function. The first core network device performs onboarding on the terminal device based on the first information. According to the solutions of this application, after the terminal device performs handover, a core network device that serves the terminal device is the first core network device, and the first core network device supports the onboarding function. Therefore, according to the solutions of this application, the first core network device may continue to perform onboarding on the terminal device.