Abstract: A rate matching method including: determining a receiving capability of a receive end, where the receiving capability is used to indicate a maximum data processing volume of the receive end in a first transmission time, and/or the receiving capability is used to indicate a maximum data buffer volume of the receive end in a first transmission time; the first transmission time is used to transmit a first transport block to which a first code block belongs; determining NCB based on the receiving capability, where NCB represents a code block size used for rate matching; performing rate matching on the first code block based on NCB. The receive end can adjust, based on a processing capability and/or a buffer capability that are/is of the receive end in a period of time, the code block size used for rate de-matching, to avoid insufficiency in processing capability and/or buffer overflow at the receive end.

Abstract: The present disclosure relates to data communication methods, apparatus, and systems. One example method includes sending, by a sending apparatus, a first group of one or more control resource sets to a receiving apparatus, and sending, by the sending apparatus, first signaling to the receiving apparatus, where the first signaling is used to instruct the receiving apparatus to receive data on a time-frequency resource for data transmission.

Abstract: Embodiments of the present invention relate to the communications field, and provide a method for determining a parameter set of a cell, a method for sending a parameter set of a cell, a device, and a system, so that a terminal can identify a parameter set of a cell in 5G NR supporting a plurality of parameter sets of the cell. The solutions provided in the embodiments of the present invention include: determining, by a base station, feature information of an identification signal based on a parameter set of a cell, wherein the parameter set of the cell comprises a subcarrier spacing; and sending the identification signal to a terminal based on the feature information of the identification signal.

Abstract: This application provides a wireless communication method, a network device, a terminal device, and a computer-readable storage medium. The method includes: sending, by a network device, a first PDSCH and a second PDSCH to a terminal device, where scheduling performed by the network device on the first PDSCH and the second PDSCH is out-of-HARQ order scheduling; determining, by the network device, whether transmission of the second PDSCH interrupts a processing performed by the terminal device on the first PDSCH; and if the network device determines that the transmission of the second PDSCH interrupts the processing performed by the terminal device on the first PDSCH, determining, by the network device, that data corresponding to the first PDSCH is not successfully received.

Abstract: This application provides a communication method, a communications apparatus, and a readable storage medium. The communication method includes: determining a second moment based on a first moment and a first processing delay, where the first moment is an estimated earliest moment at which a terminal device can send feedback information for first downlink data, the first processing delay is an estimated delay in processing second downlink data by the terminal device, a time unit used by the second downlink data is after a time unit used by the first downlink data, and the second moment is after the first moment; and sending indication information to the terminal device, where the indication information is used to indicate the terminal device to send feedback information for the second downlink data at the second moment or after the second moment. This application can avoid increasing processing resources, to save resources.

Abstract: Example hybrid automatic repeat request (HARQ) feedback methods and apparatus are provided. One example method includes a network device obtains first indication information used to instruct a terminal device to feed back HARQ feedback information. The first indication information is obtained based on information amounts corresponding to a data channel and/or information amounts corresponding to a control channel that are in a reference slot and at least one first slot. The reference slot and the at least one first slot each correspond to a different component carrier of a plurality of component carriers serving the terminal. The reference slot and the at least one first slot have a same start moment, and at least two of the plurality of component carriers have different slot lengths. The network device sends, to the terminal device, indication information used to indicate at least the first indication information.

Abstract: Example information transmission methods, and apparatus are described. One example information transmission method includes determining resources for carrying N pieces of uplink control information (UCI) that partly overlap or completely overlap in time domain. The N pieces of UCI comprise at least one piece of beam channel quality information and at least one of a piece of channel state information or an acknowledgement (ACK)/a negative acknowledgement (NACK). A priority of the beam channel quality information is higher than a priority of the channel state information. A priority of the beam channel quality information is lower than a priority of the ACK/NACK.

Abstract: A dual connectivity management method and device, the method including sending by a terminal device that communicates with a first network device and a second network device in a dual connectivity mode, a first message to the first network device, where the first message indicates or requests deactivation or suspension of the dual connectivity, and deactivating or suspending the dual connectivity.

Abstract: Example communication methods and apparatus are described. One example method includes determining by a terminal that a first transmission resource conflicts with a second transmission resource. The first transmission resource is a resource used by the terminal to send first information to a first network side device. The first network side device corresponds to a first user identity supported by the terminal. The second transmission resource is a resource used by the terminal to send second information to a second network side device. The second network side device corresponds to a second user identity supported by the terminal. The terminal sends the first information on the first transmission resource. The terminal cancels sending the second information on the second transmission resource. Alternatively, the terminal sends the second information on a third transmission resource, where the third transmission resource is a resource before or after the second transmission resource.

Abstract: Embodiments of this application provide an uplink power control method and a terminal. The method includes: obtaining, by a terminal, a power control impact factor, where the power control impact factor includes at least one of the following: beamforming information, a subcarrier spacing, a time length, or a service type; determining, by the terminal, a transmit power of an uplink channel based on the power control impact factor; and sending, by the terminal, the uplink channel at the transmit power of the uplink channel. The embodiments can improve uplink power control precision.

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: A communication method includes establishing, by a communication device, a first connection to a first network device and a second connection to a second network device. The first connection and the second connection are used to process a first service. The method also includes sending, by the communication device, first information to the first network device based on the communication device determining that a second service needs to be processed. The second service is different from the first service. The first information is used to request to disable the first connection or the second connection, or the first information is used to indicate the communication device to establish a third connection to a third network device. The third connection is used to process the second service.

Abstract: This application relates to the field of communication technologies, and discloses a communication method and apparatus. The method includes: After registering with a first network and a second network, a terminal device may send first information to a network device in the first network or a network device in the second network, so that the network device in the first network or the network device in the second network can learn that the terminal device is to enter a first transmission manner or has entered the first transmission manner. The first transmission manner includes: The terminal device concurrently processes an uplink service of the first network and an uplink service of the second network.

Abstract: This application provides a signal processing method and apparatus. A network device obtains capability information of a terminal device, where the capability information includes a processing time period for uplink data of the terminal device and a processing time period for uplink control information of the terminal device; determines a first time-frequency resource based on the capability information, where the first time-frequency resource is used to carry first uplink data and/or first uplink control information; and sends first signaling to the terminal device, where the first signaling indicates the first time-frequency resource. This application can improve efficiency of configuring a time-frequency resource by the network device for the first uplink data and/or the first uplink control information of the terminal device, thereby reducing a signal transmission delay.

Abstract: A power control method and apparatus are provided. The method includes: A communications device receives a first power value and a second power value that are configured by a network side. The first power value is a maximum allowed transmit power value that is for a first cell group and that is configured by the network side for the communications device, and the second power value is a maximum allowed transmit power value that is for a second cell group and that is configured by the network side for the communications device. The communications device determines, based on the first power value and the second power value, a total guaranteed power value that is of the communications device and that applies to a case in which a resource in the first cell group overlaps a resource in the second cell group.

Abstract: A method for processing physical downlink control channel data, a transmitting end, and a user equipment are provided and relate to the field of communications. According to the embodiment of the application a scrambling sequence in multiple modulation modes can be extracted, so that scrambling and descrambling are performed on physical downlink control channel data in multiple modulation modes. The method includes: generating a scrambling sequence corresponding to a control channel element according to an index number of the control channel element and/or a modulation mode used by the control channel element; performing scrambling on physical downlink control channel data by using the scrambling sequence; and sending the scrambled physical downlink control channel data to a user equipment. The embodiments of the present application are used to perform scrambling and descrambling on physical downlink control channel data.

Abstract: A method and an apparatus for determining a transmission mode of a terminal device are provided. The method includes: determining a first power configuration value and a second power configuration value of the terminal device; determining that a sum of the first power configuration value and the second power configuration value is greater than a first threshold; and determining whether the terminal device uses a first transmission mode or a second transmission mode.

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 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: Embodiments of the present invention provide a resource scheduling method. The method includes: receiving, by a scheduled device, pre-scheduling information and dynamic scheduling information sent by a scheduling device, and when the pre-scheduling information indicates that the scheduling device allocates a radio resource to the scheduled device in a pre-scheduling resource range, performing data reception or sending or control signaling detection on the radio resource indicated by the pre-scheduling information; and when the dynamic scheduling information indicates that the scheduling device allocates a radio resource to the scheduled device in a dynamic scheduling resource range, performing control signaling detection on a resource in the dynamic scheduling resource range.