Abstract: Embodiments of this application provide a communication method and a related device. The method includes: sending, by an access network node, a first message to a terminal; receiving, by the terminal, the first message from the access network node; processing, by the terminal, first information based on the first message, where the first information includes information that needs to be stored in the terminal and a core network node; and/or processing first data based on the first message, where the first data includes data sent to the access network node before the first message from the access network node is received. By using embodiments of this application, a terminal receives paging from a last cell that served the terminal stored in the terminal, and it is ensured that data sent by the terminal to a network side can be successfully sent.

Abstract: A data transmission method, a base station, and user equipment are provided. The method includes: receiving, by a base station, a random access request sent by user equipment, where the random access request carries indication information to request uplink scheduling information; and sending, by the base station, a random access response to the user equipment, where the random access response carries first uplink scheduling information or second uplink scheduling information, the first uplink scheduling information indicates that a message Msg 3 uses a first transport block, the second uplink scheduling information indicates that the Msg 3 uses a second transport block, the first transport block is larger than the second transport block, the first transport block can be used to transmit signaling and user data, and the second transport block can be used to transmit the signaling, but is not used to transmit the user data.

Abstract: Embodiments of this application disclose a resource scheduling method, an access network device, and user equipment, to reduce a quantity of times of applying for an uplink resource by using a random access process, reduce additional signaling overheads brought to the user equipment, and reduce power consumption of the user equipment. The method part in the embodiments of this application includes: determining, by an access network device, a target time interval in which user equipment monitors a downlink control channel; and sending, by the access network device, uplink resource scheduling information to the user equipment by using the downlink control channel in the target time interval.

Abstract: Example data scheduling methods and apparatus are described. One example method includes obtaining, by a base station, capability information of user equipment (UE). The first capability information is used to allocate a data scheduling resource for a data transmission of the terminal device, and the data transmission is through a control plane. The base station indicates allocated data scheduling resource to the terminal device. Then, the base station receives, on the data scheduling resource, a radio resource control connection (RRC) establishment complete signaling, where the RRC connection establishment complete signaling includes a non-access stratum (NAS) message, and the NAS message includes data sent by the terminal device.

Abstract: Example signal sending methods and apparatus are described. One example method includes receiving a media access control (MAC) control element (CE) from a terminal device. The MAC CE indicates a power headroom in a first power headroom set or a power headroom in a second power headroom set. If the MAC CE indicates the power headroom in the first power headroom set, the power headroom in the first power headroom set is determined based on a second bit field comprised in the MAC CE, where the MAC CE includes a first bit field and the second bit field, and the first bit field is a reserved bit field. If the MAC CE indicates the power headroom in the second power headroom set, the power headroom in the second power headroom set is determined based on a third bit field comprised in the MAC CE, where the third bit field includes a bit of the first bit field and a bit of the second bit field.

Abstract: Example resource configuration methods and apparatus are described. One example resource configuration method includes applying, by a terminal device, to a network device for semi-persistent scheduling. The terminal device receives configuration information sent by the network device, where the configuration information is used to configure a first semi-persistent scheduling resource for the terminal device. The terminal device configures the first semi-persistent resource for the terminal device based on the configuration information, and sends uplink data to the network device on the first semi-persistent scheduling resource.

Abstract: The present disclosure discloses a data scheduling method, including: obtaining, by a base station, capability information of user equipment (UE), where a moment of obtaining the capability information of the UE is prior to that of receiving, by the base station, radio resource control (RRC) connection setup complete signaling that is sent by the UE to the base station; and allocating, by the base station, a data scheduling resource to the UE according to the capability information of the UE. By using embodiments of the present disclosure, resource utilization can be increased.

Abstract: This application provides a random access method and apparatus. The method may include determining, by a terminal, a service attribute of to-be-transmitted data, where the service attribute includes one or more of the following: a service type attribute, a service packet attribute, and a service latency attribute. The method may also include sending, by the terminal when the service attribute meets a preset condition for early data transmission, a random access request to a network device using a dedicated resource for the early data transmission. In this way, the early data transmission is initiated after the service attribute meets the preset condition for the early data transmission, so that a quantity of times for which the early data transmission is initiated is reduced, thereby saving resources. In addition, a success rate of the early data transmission can be improved.

Abstract: This application relates to a communication method and apparatus. An access network device receives first paging information from a core network device. The first paging information includes an identifier of a first terminal device, and further indicates a first group to which the first terminal device belongs. The access network device determines a second group corresponding to the first group and pages the first terminal device in a first paging manner corresponding to the second group. In embodiments of this application, terminal devices are grouped. Different paging manners may be used for terminal devices in different groups, so that power consumption of the terminal devices and a false alarm probability can be reduced.

Abstract: This application provides a data transmission method. The method includes: sending, by a terminal device, a first indication to an access network device, wherein the first indication is used to indicate early data transmission; and performing, by the terminal device, the early data transmission between the terminal device and the access network device.

Abstract: This application provides a data transmission method and apparatus. The method includes: receiving downlink data, where the downlink data is used to be sent to a terminal device; receiving first information from a second network device, where the first information is used to determine a time point for sending the downlink data to the second network device; and sending the downlink data to the second network device based on the first information, to avoid directly sending the downlink data to the second network device after receiving the downlink data, thereby relieving storage burden of the second network device.

Abstract: Embodiments of this application provide a communication method, a communication apparatus, and a readable storage medium. One example method includes: A network device sends a configuration information set to a terminal device, receives assistance information from the terminal device, and determines target frequency domain information from frequency domain information based on the assistance information.

Abstract: Embodiments of this application provide a method, the method includes: sending, by the RRC entity, a first RRC message to a lower-layer entity, and receiving, by the MAC entity, a first RRC message from an upper-layer entity, where the first RRC message includes to-be-transmitted data; determining, by the MAC entity, a first random access preamble if a data amount supported by a coverage level of the communications apparatus meets a size of the first RRC message, where the first random access preamble is used to indicate that the first RRC message is to be sent in a random access process.

Abstract: A data transmission method includes receiving first information. The first information is useable to indicate that a hybrid automatic repeat request (HARQ) function of a HARQ process associated with a first configured grant is enabled or disabled. The first configured grant is configured by radio resource control (RRC) signaling. The method further includes performing data transmission by the first configured grant based on the first information.

Abstract: A signal monitoring method is provided: If the terminal device determines, based on a message received or sent in a first time unit, that the terminal device is not in a DRX active time in a second time unit, the terminal device monitors the power saving signal in the second time unit. The terminal device determines, based on the power saving signal, whether to monitor a PDCCH in a first time interval. The first time unit is located before the second time unit, and is separated from the second time unit by M third time units. M is an integer greater than or equal to 1. The embodiments of this application are applied to a mobile communications system such as 5G NR.

Abstract: Example resource configuration methods and apparatus are described. One example resource configuration method includes applying, by a terminal device, to a network device for semi-persistent scheduling. The terminal device receives configuration information sent by the network device, where the configuration information is used to configure a first semi-persistent scheduling resource for the terminal device. The terminal device configures the first semi-persistent resource for the terminal device based on the configuration information, and sends uplink data to the network device on the first semi-persistent scheduling resource.

Abstract: Example resource configuration methods and devices are described. One example resource configuration method includes applying to a network device for semi-persistent scheduling by a terminal device. The terminal device receives configuration information sent by the network device, where the configuration information is used to configure a first semi-persistent scheduling resource for the terminal device. The terminal device configures the first semi-persistent resource for the terminal device based on the configuration information, and sends uplink data to the network device on the first semi-persistent scheduling resource.

Abstract: This application provides a paging message detection method and apparatus, and a communication device. A first access device determines a first resource when the first access device is to send a radio access network paging message to a first terminal device in an inactive state, where the first resource is to carry a first wake-up signal; and the first wake-up signal is to indicate the first terminal device to detect downlink control information for scheduling the paging message that is carried by a first paging occasion resource. The first access device sends the first wake-up signal to the first terminal device on the first resource. The first access device sends, on the first paging occasion resource, the downlink control information for scheduling the paging message. In this way, power consumption of the terminal device can be reduced, and electric energy can be saved.

Abstract: A data transmission method includes receiving, by a centralized unit (CU), a first message from a distributed unit (DU). The first message includes a first transport block size (TBS) threshold. The first TBS threshold is useable for early transmission of uplink data. The method further includes sending, by the CU, the first TBS threshold to a UE, and receiving, by the CU, uplink data from the UE based on the first TBS threshold.

Abstract: This application provides a transmission method and device. The method includes: receiving, by a first device, a first RRC message sent by a second device, where the first RRC message includes first data and identification information, and then sending, by the first device, the first data and the identification information to a donor eNB of the first device by using a second RRC message. Because the first device and the second device send data by using an RRC message, network functions of the first device and the second device are simplified, and data transmission efficiency is increased after a plurality of relay nodes access an NB-IoT network.