Abstract: This application provides a communication method and a terminal apparatus. The communication method includes: A terminal apparatus receives a trigger message, where the trigger message includes a notification information identifier. When the terminal apparatus does not store notification information corresponding to the notification information identifier, the terminal apparatus ignores the trigger message. In this method, when receiving a useless trigger message, the terminal apparatus does not perform processing, thereby reducing power consumption.

Abstract: Embodiments of the present disclosure relate to the field of communications technologies, and in particular, to a communication method and a device. Second user equipment executes some tasks required for communication between first user equipment and a network device, and the first user equipment properly communicates with the second user equipment. In this way, energy consumption of the first user equipment required for communication with the network device can be reduced, thereby prolonging a standby time and improving user experience.

Abstract: This application provides a transmission method and apparatus. The transmission method in this application includes: determining a to-be-processed channel, where the to-be-processed channel is a first channel or a second channel, the first channel is transmitted on a first carrier, the second channel is transmitted on a second carrier, the first channel and the second channel have different transmission start time points or transmission end time points, and the first channel and the second channel each have an overlapping transmission part in time domain; and skipping sending the overlapping transmission part of the to-be-processed channel.

Abstract: A communication method includes sending, by a first device, first information to a second device. The first information includes N capability parameter sets different from a first capability. The N capability parameter sets are supported by the first device at a time when the first device requests capability adjustment from the second device. The first capability is a maximum capability supported by the first device, and N is an integer greater than or equal to 1.

Abstract: A communication method includes storing, by a terminal device, a first parameter usable by the terminal device in a first mode. The communication method further includes failing, by the terminal device, to access a network device, failing to register with the network device, or failing to be capable of camping on a network of the network device. The communication method further includes performing, by the terminal device, access to the network device in the first mode by the first parameter.

Abstract: The disclosure provides a scheduling transmission method and an apparatus. The method includes: obtaining a scheduling priority of a terminal, and transmitting a data packet of the terminal based on the scheduling priority of the terminal, where the scheduling priority of the terminal is determined based on importance of a data unit to which the data packet of the terminal belongs and a size level of the data unit to which the data packet of the terminal belongs. Solutions of this disclosure may be widely used in the fields of communication technologies, artificial intelligence, internet of vehicles, internet of smart home, and the like.

Abstract: A communication method and apparatus are provided. One example method includes: receiving a first message from a network device, wherein the first message comprises first indication information, and the first indication information indicates to allow a request to adjust a capability mode of a terminal device to one capability mode in M capability modes; and the one capability mode in the M capability modes corresponds to a group of capability information sets, and M is an integer greater than 0; and determining the M capability modes based on the first message.

Abstract: A communication method and apparatus are provided. The method includes: receiving configuration information from a network device, where the configuration information indicates an occasion and/or a period for sending a measurement signal on a second uplink carrier; obtaining signal quality or signal strength on a downlink carrier associated with a first uplink carrier, or signal quality or signal strength on a downlink resource on a first uplink carrier; and when a first condition is met, sending the measurement signal on the second uplink carrier by occupying the occasion and/or the period; or when a first condition is not met, determining not to send the measurement signal on the second uplink carrier by occupying the occasion and/or the period.

Abstract: This application relates to the field of communication technologies, and discloses a communication method and apparatus. The method includes: A terminal device receives indication information from a first access network device. The indication information is used to indicate to fall back a capability of the terminal device to a first protocol version. The terminal device communicates, based on the indication information, with the first access network device by using first capability information. A protocol version corresponding to the first capability information is lower than or equal to the first protocol version. In this method, because a network device can explicitly indicate to fall back the capability of the terminal device to the first protocol version, the terminal device can specially reduce the capability, so as to quickly resolve a communication problem caused by incompatibility between the terminal device and the access network device.

Abstract: A communication method includes determining, by a terminal device, first capability information, and sending the first capability information to a network device. The first capability information is useable to indicate that a transmission rate supported by the terminal device meets a rate condition, or that an overhead supported by the terminal device is less than a specified overhead. The rate condition includes at least one of the transmission rate supported by the terminal device exceeds a first data rate, a transmission rate of single-carrier scheduling supported by the terminal device exceeds a second data rate, or a sum of transmission rates of serving cells in all band combinations within a scheduled frequency range supported by the terminal device exceeds a third data rate. The first data rate, the second data rate or the third data rate is related to the specified overhead.

Abstract: Embodiment of this application provide methods and apparatuses for communicating downlink control information. One method includes: dividing, by a terminal device, target resources into M resource subsets; determining, by the terminal device, a resource set from the M resource subsets, wherein the resource set consists of N control channel bearing resource units, N?2, at least two of the N control channel bearing resource units belong to different resource subsets of the M resource subsets, and at least two of the N control channel bearing resource units are not consecutive in the frequency domain, wherein each of the N control channel bearing resource units includes at least two resource element groups (REGs) that are consecutive in the frequency domain, and wherein each REG of the at least two REGs comprises a plurality of resource elements (REs); and receiving, by the terminal device, downlink control information on the resource set.

Abstract: This application relates to the field of communication technologies, and discloses a communication method and apparatus. The method includes: A terminal device receives an identifier of a filtering protocol version from an access network device, and then sends first capability information of the terminal device to the access network device based on the filtering protocol version. In this method, the terminal device may report capability information based on the filtering protocol version sent by the access network device. Compared with a manner in which the terminal device directly reports the capability information, this method can effectively reduce a communication problem caused by mismatch between a protocol version supported by the terminal device and a protocol version supported by the access network device and/or a protocol version supported by a core network device.

Abstract: A power determining method includes determining first new radio (NR) power based on first additional maximum power reduction (AMPR), where the first AMPR is calculated based on first resource allocation information and NR scheduling information, determining Long-Term Evolution (LTE) power based on second AMPR, where the second AMPR is calculated based on LTE scheduling information and second resource allocation information, and when a sum of the first NR power and the LTE power is greater than maximum transmit power of a terminal device, sending LTE information to the first access device at the LTE power on time domain resources that completely or partially overlap each other, and sending NR information to the second access device at second NR power or skipping sending NR information, where the second NR power is less than the first NR power.

Abstract: A method includes: determining first indication information, where the first indication information indicates a resource location of a second synchronization signal block, and the second synchronization signal block is associated with control information; and sending a first synchronization signal block, where a physical broadcast channel in the first synchronization signal block carries the first indication information.

Abstract: This application provides a buffer determining method and apparatus, to resolve a problem of how a terminal device on a sidelink calculates a buffer size. The method includes: A terminal device determines a sidelink data rate, and determines a buffer size based on the sidelink data rate. In this embodiment of this application, the terminal device may determine the buffer size based on the sidelink data rate, to calculate a buffer size of terminal device in sidelink communication.

Abstract: This disclosure provides capability information reporting methods and apparatuses. One method includes: determining, by a first device, capability information of the first device, wherein the capability information indicates a capability of the first device for supporting a maximum aggregated spectrum in a first range, and sending, by the first device, the capability information.

Abstract: A resource configuration method and an apparatus are disclosed. A method includes: receiving capability information from a terminal device, where the capability information of the terminal device includes information about a first processing capability supported by the terminal device; and determining, based on the capability information of the terminal device, first processing capability configuration information of at least one frequency band used for the terminal device. The terminal device may report the capability information of the terminal device, so that the first processing capability configuration information of the at least one frequency band can be determined based on the capability information of the terminal device.

Abstract: Embodiments of the present invention provide a synchronization method, user equipment, and a base station. The synchronization method includes: obtaining, by user equipment, synchronization information, where the synchronization information includes at least one of the following information: synchronization source selection parameter information, synchronization source indication information, or synchronization source priority information; receiving, by the user equipment, a first synchronization signal sent by at least one synchronization source; and determining, by the user equipment, a synchronization reference source according to the synchronization information and the first synchronization information.

Abstract: This application provides a PDSCH transmission method and apparatus, and relates to the field of communication technologies, to reduce complexity of processing a PDSCH by a terminal device. The method includes: The terminal device receives first DCI and second DCI. First indication information included in one piece of DCI that is in the first DCI and the second DCI and that has the first indication information indicates whether one or more time-frequency resource groups in a first PDSCH and a second PDSCH are available. In this way, there is only one type of interference strength between the first PDSCH and the second PDSCH, and the terminal device may process the first PDSCH and the second PDSCH by using a descrambling manner corresponding to the interference strength. In this case, the terminal may receive both of the first PDSCH and the second PDSCH.

Abstract: A method includes: determining first indication information, where the first indication information indicates a resource location of a second synchronization signal block, and the second synchronization signal block is associated with control information; and sending a first synchronization signal block, where a physical broadcast channel in the first synchronization signal block carries the first indication information.