Abstract: A communications method includes: when a terminal device is in a non-connected state, a system information block is received from a network device, where the system information block includes first information; and configuration of a reference signal used for operations such as automatic gain control (AGC) adjustment and time and frequency synchronization can be known based on the first information. In this way, the terminal device can wake up at a location of a first reference signal to prevent terminal device from waking up too early at a location of a synchronization signal block and to effectively reduce power consumption of the terminal device.

Abstract: A search space monitoring method allows a terminal to monitor a power saving signal in a search space in a scenario in which the power saving signal can be applied to a long discontinuous reception (DRX) cycle and a short DRX cycle. The method includes, when using the long DRX cycle, monitoring, by the terminal, the power saving signal in a first search space, and skipping monitoring the power saving signal in a second search space, where the power saving signal indicates power saving information of the terminal; and when using a short DRX cycle, monitoring, by the terminal, the power saving signal in the second search space, and skipping monitoring the power saving signal in the first search space.

Abstract: This application provides a measurement method, applied to a terminal device. The method includes: When the terminal device receives a wake up signal over a wake up radio WUR link and a first condition is met, the terminal device measures a serving cell and a neighboring cell over a new radio NR main link, to obtain first measurement results of the NR main link in the serving cell and the neighboring cell; and determines, based on the first measurement results and a cell reselection condition, whether to perform cell reselection. The first condition includes that a result of measuring the serving cell by the terminal device on the NR main link or the WUR link is less than a first value. In this application, cell reselection can be performed in a timely manner with low power consumption, to achieve a balance between low power consumption and timely cell reselection.

Abstract: A data transmission method, an apparatus, and a storage medium are provided. The method includes: A first terminal device and a first network device determine N second gap (GAP) occasions based on M first GAP occasions, where the M first GAP occasions include the N second GAP occasions, the M first GAP occasions are periodic time domain positions that are of a first GAP and that are configured by a first network device, M is greater than N, and both M and N are positive integers. A first signal is not transmitted between the first terminal device and a second network device on the N second GAP occasions, to prevent all the configured M first GAP occasions from taking effect on the first terminal device, which results in the first GAP occupying a large quantity of resources, and therefore to reduce resource occupation of the GAP.

Abstract: A method includes: determining, by a terminal device, that assistance information of the terminal device can be sent to a first network device through a signaling radio bearer (SRB) 3, wherein the terminal device is connected to at least two network devices, and the first network device is a secondary network device in the at least two network devices; and sending, by the terminal device, the assistance information to the first network device through the SRB3, wherein the assistance information is used to indicate a configuration expected by the terminal device or service information of the terminal device.

Abstract: A communications method and apparatus are provided. A network device determines whether a first capability of a terminal device is less than or equal to a second capability of the terminal device. The first capability is a capability of the terminal device of working at a first frequency when the terminal device supports only a first radio access technology, and the second capability is a capability of the terminal device corresponding to the first frequency in a first frequency combination. When the first capability is less than or equal to the second capability, the network device sends a first message to the terminal device. The first message is used to indicate the terminal device to measure a second frequency, the first message does not include a configuration of a first measurement gap, and the first measurement gap is used to measure the second frequency.

Abstract: This application provides a base station switching method and an apparatus. The method includes: A terminal sends one piece of binding signaling that carries SIM card binding information to a source base station; the terminal switches a plurality of SIM cards from being connected to the source base station to being connected to the target base station; and the terminal sends radio resource control reconfiguration complete information to the target base station, where the radio resource control reconfiguration complete information includes information about the plurality of SIM cards that complete the switching operation.

Abstract: Embodiments of this application provide a scheduling request processing method and a terminal device. The scheduling request processing method includes: determining, by a terminal device, whether there is a regular BSR associated with a first logical channel that is triggered and has not been canceled; and if a regular BSR associated with the first logical channel is triggered and has not been canceled, and the terminal device has no uplink resource available to transmit data of the first logical channel, and a first timer of the terminal device is not running, triggering, by the terminal device, an SR, where the first timer is configured to delay transmission of the SR.

Abstract: This application provides a configuration method and a communication apparatus, and relates to the communication field. In the method, a terminal device may send first information to an access network device, where the first information indicates to reduce a capability of the terminal device. The access network device may send a first configuration to the terminal device based on a first capability, where the first capability of the terminal device and corresponding to the first configuration is a reduced capability of the terminal device.

Abstract: In a method, a first band combination set reported by a terminal device may include a first band combination and a second band combination, the first band combination is a fallback band combination that has a same capability as the second band combination, and the first band combination and the second band combination correspond to different radio access technology types.

Abstract: A method includes: determining, by a terminal device, first assistance information, wherein the first assistance information is used to indicate a configuration parameter requested by the terminal device from a first network device; and sending, by the terminal device, the first assistance information to a second network device, wherein the second network device is used to send the first assistance information to the first network device.

Abstract: A communications method includes the terminal device receiving a first message from a network device, where the first message indicates a second cell, the second cell includes a first downlink carrier and a second uplink carrier, and a duplex mode of a band to which the first downlink carrier belongs is different from a duplex mode of a band to which the second uplink carrier belongs, and the terminal device accesses the second cell.

Abstract: A random access method and device. The method includes receiving, by user equipment, a radio resource control (RRC) connection reconfiguration message from a first network device, the RRC connection reconfiguration message indicating a primary serving cell of the second network device for a user equipment, an active uplink bandwidth part (BWP) in the primary serving cell, and an active downlink BWP in the primary serving cell, the RRC connection reconfiguration message includes an uplink BWP identifier indicating the active uplink BWP and a downlink BWP identifier indicating the active downlink BWP, the uplink BWP identifier corresponds to the active uplink BWP, the downlink BWP identifier corresponds to the active downlink BWP, and initiating, by the user equipment, a random access procedure to the second network device on the active uplink BWP and the active downlink BWP.

Abstract: A data transmission method comprising: after sending first data on a first resource, a first apparatus may monitor second data on a second resource associated with the first resource. In other words, because the second resource is associated with the first resource, the first apparatus directly monitors the second data on the second resource, so that power consumption caused by blind detection can be avoided, or power consumption caused by detection based on a DRX function can be avoided, thereby reducing power consumption of the first apparatus.

Abstract: A communication method includes receiving a paging message, wherein the paging message comprises a first identifier. The first identifier is useable to identify a paged first terminal device. A bit length of the first identifier is less than a bit length of a second identifier. The second identifier is a 5th generation-system-temporary subscriber identity (5G-S-TMSI) or a radio network temporary identity (I-RNTI). The communication method further includes determining, based on the first identifier, that the first terminal device is paged.

Abstract: A communication method includes determining, by a terminal device, first in-device coexistence (IDC) interference adjustment information, where the first IDC interference adjustment information includes frequency bandwidth information, and sending, by the terminal device, the first IDC interference adjustment information to a network device to adjust IDC interference based on the first IDC interference adjustment information.

Abstract: A terminal device receives a first system information change indication on a WUR link, and/or determines, on the WUR link, that a cell is changed, where the first system information change indication indicates that system information is changed. The terminal device receives the system information on an NR link if the system information is changed, before establishing or restoring a connection on the NR link. If the terminal device determines that the system information is not changed, the terminal device may not need to receive the system information. For example, the terminal device may directly establish or restore the connection on the NR link when the terminal device does not need to receive the system information.

Abstract: This application provides a communication method and a communications device. The method includes: A first device receives a first message sent by a second device. The first message is used to indicate a bearer configuration of a bearer of the first device and an initial status of the bearer configuration, and the bearer configuration includes a first bearer configuration and/or a second bearer configuration. The first device determines the bearer configuration and the initial status of the bearer configuration based on the first message. According to the technical solutions in embodiments of this application, a bearer configuration of a terminal device and an initial status of the bearer configuration of the terminal can be indicated. Because both the bearer configuration of a bearer of the terminal and the initial status of the bearer configuration of the terminal are indicated, communication efficiency is improved.

Abstract: A communication method and device are provided. A first message is received from a base-station central unit, where the first message is associated with determining whether a to-be-paged terminal device supports a first grouping manner and/or determining a paging manner for the to-be-paged terminal device. The terminal device is paged in a first paging manner that is determined based on the first message. A base-station distributed unit can determine, based on the first message, whether the to-be-paged terminal device supports a grouping manner or a grouping manner that can be supported by the to-be-paged terminal device. In this way, in a split architecture, the base-station distributed unit can also complete paging on the terminal device.

Abstract: Embodiments of this application provide a scheduling request processing method and a terminal device. The scheduling request processing method includes: determining, by a terminal device, whether there is a regular BSR associated with a first logical channel that is triggered and has not been canceled; and if a regular BSR associated with the first logical channel is triggered and has not been canceled, and the terminal device has no uplink resource available to transmit data of the first logical channel, and a first timer of the terminal device is not running, triggering, by the terminal device, an SR, where the first timer is configured to delay transmission of the SR.