Abstract: Embodiments of this application disclose a cell access method and a device, to provide a network slice service area identifier and network slice configuration information for a terminal device, so that the terminal device accesses a target cell. The method in the embodiments of this application includes: obtaining, by a terminal device, a network slice service area identifier from a serving access network device corresponding to a serving cell in which the terminal device is located, where the network slice service area identifier is used to indicate an area served by a network slice; determining, by the terminal device, a target cell based on network slice configuration information and the network slice service area identifier, where the network slice configuration information includes a correspondence among a network slice, an area, and a service; and accessing, by the terminal device, the target cell.

Abstract: The present disclosure relates to data transmission methods, network devices. One example data transmission method includes: a first network node sends a first indication information to a second network node, the first indication information includes information about an uplink data volume of a buffer of a terminal device, or the first indication information indicates a relationship between an uplink data volume of a buffer of a terminal device and a predefined data volume threshold.

Abstract: Embodiments of this application provide a communication processing method. A data volume report reported by a terminal device includes a data volume on one of at least two paths in a radio bearer in a duplication mode, so that signaling overheads in a data volume reporting process of the terminal device can be reduced.

Abstract: Embodiments of this application provide a communication method, apparatus, a terminal, a network device, and a storage medium. After the terminal receives, from the network device, indication information used to indicate the terminal to report traffic pattern information of a first logical channel, a first PDU session, a first application, a first radio bearer, or a first QoS flow, the terminal reports the traffic pattern information of the first logical channel, the first PDU session, the first application, the first radio bearer, or the first QoS flow based on the indication information. In this manner, the terminal reports, based on the indication, the traffic pattern information of only the logical channel, the PDU session, the service, the radio bearer, or the QoS flow that is indicated by the network device.

Abstract: A method for reporting a channel status and a device, where the method includes: a terminal receiving configuration signaling for semi-persistent channel state information (CSI) reporting, wherein the configuration signaling comprises one or more reporting periods of CSI of N cells, wherein the N cells are used for data communication of the terminal, and wherein N is an integer greater than or equal to 1; the terminal receiving channel status request signaling, wherein the channel status request signaling indicates to the terminal to report the CSI of the N cells; and the terminal transmitting, according to the one or more reporting periods, the CSI of the N cells.

Abstract: Embodiments of this application provide a data transmission method and apparatus. The method includes: receiving data sent by a terminal in an inactive state, where the data includes to-be-sent data sent by the terminal and identification information of the terminal; determining an anchor base station of the terminal based on the identification information; and sending the data to the anchor base station, so that the anchor base station sends the data to a core-network device. The uplink data of the terminal is forwarded to the anchor base station by using a serving base station and through an interaction between the anchor base station and the serving base station that currently provides an air interface resource for the terminal, and is then transmitted to a core network.

Abstract: A reference time determining method and apparatus are provided, to prevent aberrations in a control instruction execution time caused by inconsistency between a reference time of a terminal and a reference time of a control device in the conventional technology. In this application, the terminal may receive a plurality of pieces of time reference information sent by the network device. When the terminal receives indication information from the network device, the terminal may select, based on the indication information, one piece of time reference information from the plurality of pieces of time reference information as first time reference information. The indication information indicates the first time reference information. After determining the first time reference information, the terminal may determine the reference time of the terminal based on the first time reference information.

Abstract: Various embodiments provides a data transmission method and an apparatus. In those embodiments, at least two frequency domain resources are configured for transmission of a connection resumption request, a connection establishment request, or a connection reestablishment request, and the connection resumption request, the connection establishment request, or the connection reestablishment request is sent by using the at least two frequency domain resources.

Abstract: A communication method and a communications apparatus, the method including receiving, by a second network device, from a third network device, first identification information of a first radio access network area to which a first cell corresponding to the third network device belongs, and sending, by the second network device, second identification information of the first cell and the first identification information of the first radio access network area to a first network device.

Abstract: A data transmission method is provided. The method includes: receiving, by user equipment, first information from a radio access device, where the first information indicates different transmission classes corresponding to a plurality of logical channels; determining, by the user equipment based on the first information, a transmission format of uplink data on at least one logical channel corresponding to at least one transmission class in the different transmission classes, and determining a transmission resource in the transmission format; and sending, by the user equipment, the uplink data by using the transmission format and the transmission resource in the transmission format. In this application, different transmission resources are allocated to uplink data on logical channels (LCHs) of different transmission classes, so that different requirements of different uplink data can be met.

Abstract: This application provides a communication method and a communications apparatus.

Abstract: A communication method includes: receiving, by a terminal device, sub-network information of a RAN sent by a network side device, where the sub-network information is used to indicate at least one RAN sub-network included in the RAN; accessing, by the terminal device, a target RAN sub-network among the at least one RAN sub-network based on a service requirement of the terminal device; and communicating, by the terminal device, with the network side device by using the target RAN sub-network.

Abstract: Embodiments of this application disclose a model configuration method and an apparatus. The method includes: sending, to a terminal that is in a first cell, first-part information of a first model used by the terminal to process data, and sending first indication information that indicates second-part information of the first model, where the second-part information is information to be sent to the terminal when the terminal is located in a second cell, and the first cell and the second cell are different cells. Solutions of embodiments of this application may be widely applied to the field of communication technologies, artificial intelligence, the internet of vehicles, the internet of smart home, or the like.

Abstract: Embodiments of this application provide a data transmission method and apparatus. The method includes: A terminal device sends a first data segment and auxiliary information to a first network device, where the first data segment is one of one or more data segments corresponding to data used for machine learning, and the auxiliary information indicates a target device of the first data segment. According to the method, the first network device can determine the target device based on the auxiliary information, so that massive data that is collected by the terminal device and that is used for machine learning is accurately transferred to a device that is in a network and that performs machine learning. This helps the network provide a better communication service based on a machine learning result, to improve network work efficiency.

Abstract: A communication method and an apparatus, to determine a terminal that is to execute an artificial intelligence (artificial intelligence, AI) task, so that execution of the AI task is more targeted, and an execution result is more accurate. The method includes receiving first information from an AI apparatus, where the first information indicates information about a first terminal capable of executing a first AI task; receiving information from a second terminal; and determining, based on the first information and the information about the second terminal, whether the second terminal is configured to perform the first AI task.

Abstract: This application provides an Ethernet data-based communication method and apparatus. The method includes: receiving, by a terminal device from a network device, a parameter used to indicate a first Ethernet compression capability; generating a first Ethernet packet based on the parameter of the first Ethernet compression capability; and sending the first Ethernet packet to the network device. Therefore, not only a manner in which the network device enables the terminal device to use an Ethernet compression capability is proposed, but also the terminal device and the network device can transmit compressed Ethernet data in a wireless network, thereby effectively saving resources.

Abstract: Example network edge computing methods and communication apparatus are described. One example method includes determining a first computing capability of a first MEC function by a first network device, where the computing capability of the first MEC function indicates a capability of the first MEC function to provide a computing service. The first network device sends first capability information, where the first capability information includes a capability parameter for determining the first computing capability, and the capability parameter includes one or more of a supported computing service type, a hardware parameter, or computing load. The first network device receives a first task request message from a first terminal, where the first task request message requests the first MEC function to execute at least one computing task of the first terminal.

Abstract: A data transmission method and apparatus are disclosed. The method includes: determining, by a source base station of a terminal in a handover process, first data and a radio air interface protocol sequence number of a data unit used to carry the first data, where the first data includes data that is not acknowledged by a terminal for correct reception during data transmission between the source base station and the terminal. The method further includes sending, by the source base station, the first data and the radio air interface protocol sequence number to a target base station; where the core network connected to the target base station is different from the core network connected to the source base station.

Abstract: A communication method and an apparatus are provided. The method includes: An AI device determines an energy saving policy based on collected AI data. The AI device notifies a network device of the energy saving policy. The network device performs an energy saving operation according to the energy saving policy. Compared with a solution in which a network device or an OAM system determines an energy saving policy by using human experience or a simple algorithm and implements the energy saving policy, an intelligent energy saving mechanism of a network can be implemented, and a high requirement of energy saving of the network can be satisfied.

Abstract: Embodiments of this application provide a communication method and an apparatus, to introduce artificial intelligence AI in a radio access network RAN. The method includes: A wireless intelligent controller RIC sends configuration information of one or more AI tasks to a base station. The configuration information of each AI task is used to indicate one or more of the following content of the AI task: a task identifier ID, a task type, task content, a task execution body, and a task status. The AI task may be executed by the base station or a terminal.