Abstract: The present application discloses technologies handover methods, base stations, and terminal devices. One handover method includes: sending, by a source base station, a handover request to a target base station, where the handover request includes information about a first service of a terminal device, receiving, by the source base station, a handover response sent by the target base station, wherein the first service is supported by the target base station, the handover response includes information about a handover instruction for the first service, and the handover instruction is used to instruct the terminal device to hand over the first service from the source base station to the target base station, and sending, by the source base station, a handover response to the terminal device.

Abstract: Embodiments of this disclosure provide a signal quality information obtaining method, a device, and a system. One example method includes: a source network device obtains configuration information of an SRS of a terminal device and sends the configuration information of the SRS to a target network device and the terminal device. A first cell of the target network device monitors the SRS based on the configuration information of the SRS, and then the target network device sends, to the source network device, signal quality information of the SRS detected by the first cell. Correspondingly, the source network device receives, from the target network device, the signal quality information of the SRS detected by the first cell, where the first cell is a cell controlled by the target network device, the first cell is an energy-saving cell, and the energy-saving cell is a cell that does not send an SSB.

Abstract: Embodiments of this application provide example communication methods and example devices. One example method includes sending, by a first access network device, a system information block to a terminal device, where the system information block includes first information indicating that a cell served by the first access network device supports non-public network (NPN) onboarding, where the first information includes second information indicating a supported onboarding NPN, and the second information includes at least one of information about an identifier of the supported onboarding NPN or first indication information, where the first indication information indicates a support of onboarding. The first access network device can then receive a radio resource control (RRC) setup complete message from the terminal device, where the RRC setup complete message indicates that the terminal device requests NPN onboarding.

Abstract: Embodiments of the present disclosure disclose a wireless communication method, user equipment, an access network device, and a network system. The method includes: receiving, by an access network device, a first downlink data flow sent by a core network device in a form of a flow; and sending, by the access network device, information to user equipment, where the information includes a mapping relationship between the first downlink data flow and a downlink bearer.

Abstract: A communication method and a related device are disclosed. An evolved NodeB eNB receives a first message sent by a terminal device, where the first message is for requesting to access the eNB. The eNB sends a second message to the terminal device, where the second message includes a system message corresponding to at least one serving cell of a gNB, and the second message indicates the terminal device to be redirected to one of the at least one serving cell of the gNB, or the second message indicates the terminal device to be handed over to one of the at least one serving cell of the gNB. The terminal device receives the system message of the serving cell of the gNB from the eNB, to access the gNB.

Abstract: A communication method and apparatus, the method including receiving, by a first access network device, a first message from a terminal in a radio resource control (RRC) inactive state, where the first message requests to resume an RRC connection or to perform a radio access network-based notification area update (RNAU), and sending, by the first access network device, a first request message to a second access network device, where the first request message includes a cell radio network temporary identifier allocated by the first access network device for the terminal, and the second access network device is an access network device that retains a context of the terminal, and there is a control plane link of the terminal between the second access network device and a core network.

Abstract: Embodiments of this application disclose a paging collision processing method and a related apparatus. The method includes: When a terminal device detects that a paging occasion of the terminal device in a first camped cell collides with a paging occasion of the terminal device in a second camped cell, the terminal device may determine a first paging parameter, and may send first information including the first paging parameter to a first network device corresponding to the first camped cell. The first network device sends second information including a second paging parameter to the terminal device. The terminal device determines a second paging occasion of a first identity module card of the terminal device in the first camped cell based on the second paging parameter in the received second information. The terminal device monitors a paging message in the first camped cell on the second paging occasion.

Abstract: A location information reporting method includes: a first base station receives a first message from a core network device, where the first message includes first instruction information used to instruct to obtain location information of a terminal device, and the first base station and the core network device have a control plane connection established for the terminal device; and the first base station sends a second message to a second base station, where the second message includes second instruction information, the second instruction information is used to instruct to obtain the location information of the terminal device, and the second base station is configured to provide a service for the terminal device at a current moment.

Abstract: This application provides a communication method, an access network device, and a terminal device. The communication method includes obtaining, by a first access network device, information about a correspondence between a session of a terminal device and a network slice; and sending, by the first access network device, the information to a second access network device.

Abstract: The disclosure provides system information transfer methods and apparatuses. One example includes that a terminal device sends a first request to a radio access network (RAN) device, where the first request is used by the terminal device to establish a radio resource control (RRC) connection to a first cell controlled by the RAN device. The first request includes first information. The first information indicates at least one of the following: the terminal device expects to access a second cell, a second cell that the terminal device expects to access, or at least a part of an identifier of the terminal device. The terminal device receives a first response from the RAN device. The first response includes a cell identifier and a part of system information of each of one or more second cells.

Abstract: A synchronization signal/broadcast signal block broadcast method and an apparatus are disclosed. The method includes: A first access network device RAN 1 determines to request a second access network device RAN 2 to perform resource allocation for a terminal; and the RAN 1 sends, to the RAN 2, a first message used to indicate the RAN 2 to broadcast a synchronization signal/physical broadcast channel block SSB. Accordingly, the RAN 2 starts to broadcast the SSB. The first message further includes a broadcast periodicity for the SSB. The broadcast periodicity is further sent by the RAN 1 to the terminal. The RAN 2 stops, based on a specific situation, broadcasting the SSB.

Abstract: This patent application provides a multi-connectivity data reporting method, including: obtaining, by a first network device, a first data volume report, where the first data volume report is used to indicate a volume of data that are of a terminal device and that pass through a second network device; and sending, by the first network device, the first data volume report to a third network device. The first data volume report includes one or more of QoS flow identifiers (QFIs) of one or more quality of service QoS flows, identifiers of one or more protocol data unit (PDU) sessions to which the one or more QoS flows belong, or data volumes of the one or more QoS flows.

Abstract: The present patent application discloses a handover method, a base station, and a terminal device. The handover method includes: sending, by a source base station, a handover request to a target base station, where the handover request includes information about a first service of a terminal device; receiving, by the source base station, a handover response sent by the target base station, where if the first service is supported by the target base station, the handover response includes information about a handover instruction for the first service, and the handover instruction is used to instruct the terminal device to hand over the first service from the source base station to the target base station; and sending, by the source base station, a handover response to the terminal device.

Abstract: Example access control methods and apparatus are described. One example method includes receiving an initial user equipment (UE) message by a core network device from an access network device. The core network device sends an initial context setup request message to the access network device, where the initial context setup request message includes one or more of the following information: public network integrated non-public network (PNI-NPN) identification information of a PNI-NPN accessible by a terminal device, a public land mobile network (PLMN) identity of a PLMN accessible by the terminal device, or an indication of whether the terminal device is allowed to access a network only by using a closed access group (CAG) cell.

Abstract: A data transmission method, a communications device, and a communications system are provided for wireless communications. A terminal device receives a first system information broadcast by a radio access network device. The first system information includes a non-public network (NPN), identification information list and a first association information. The NPN identification information list includes at least one NPN identification information and determines a second system information is valid when first NPN identification information in the NPN identification information list is identical to second NPN identification information stored in the terminal device, and the first association information is identical to a second association information stored in the terminal device. The second system information can include the second NPN identification information and the second association information.

Abstract: Embodiments of the present invention provide a communication method, an access network device, a core network device, and user equipment. The method includes: receiving, by an access network device, first information sent by a core network device, where the first information includes information about a cell that supports a network slice instance and that allows or does not allow user equipment to access; and sending, by the access network device, the first information to the user equipment. In the foregoing process, the user equipment may obtain the information about a cell that supports a network slice instance and that allows or does not allow the user equipment to access, to aware the network slice instance.

Abstract: Embodiments of the present invention provide a communication method, an access network device, a core network device, and user equipment. One example method includes: sending, by a core network device, a handover request to an access network device, wherein the handover request comprises first information, and the first information comprises an identifier of allowed network slice selection assistance information (NSSAI); and sending, by the access network device, a handover request acknowledgement to the core network device.

Abstract: A communication method, a device, and a communications system to improve flexibility of communication management is provided. The communication method includes: sending, by an access network device, a request message to a core network device, where the request message is used to request to set up a communication connection between the access network device and the core network device, and the communication connection corresponds to a first category; and receiving, by the access network device, a response message sent by the core network device, where the response message includes transport layer information, for uplink transmission, that corresponds to the first category.

Abstract: The present disclosure relates to inter-network mobility methods, apparatus, and communications devices. In one example method, a first access device sends a first indication to a terminal device, where the first indication is used to indicate the terminal device to reserve first information after the terminal device moves from a first network to a network other than the first network, and the first information includes one or more of a context of the terminal device in the first network, information about a signaling radio bearer (SRB) in the first network, information about a data radio bearer (DRB) in the first network, an identifier of the terminal device in the first network, information about a first cell in which the first access device provides a service for the terminal device, an identifier of the first network, or a cause value.

Abstract: The present disclosure relates to paging methods and apparatus. One example method is applied to a first access network device. The first access network device belongs to a first network, a second access network device belongs to a second network, and the first network may be different from the second network. When UE accesses the first network and downlink data of the second network arrives, the UE may receive the data of the second network. The first access network device receives downlink data of a terminal from a first core network device, where the first core network device belongs to the first network.