Abstract: This application discloses a CLI measurement method and a communication apparatus. The method includes: A terminal device receives resource configuration information from a network device, where the resource configuration information indicates a resource for performing CLI measurement by the terminal device; and when a specific condition is met, the terminal device cancels CLI measurement on at least one symbol including the resource for performing CLI measurement. In this application, an occasion at which the terminal device cancels CLI measurement is specified, to avoid a communication exception caused when a symbol in which the resource for performing CLI measurement by the terminal device is located conflicts with a symbol in which a resource used for another purpose is located.

Abstract: This application provides a method for transmitting control information and an apparatus. The method includes: When a time domain resource for transmitting first control information on a first PUCCH conflicts in a first time unit with a time domain resource for transmitting a first transport block on a first PUSCH, a terminal device determines, based on a relationship between a payload size of the first control information and a first threshold, a first time domain resource for transmitting the first control information. The first threshold is a maximum quantity of bits of the first control information that can be sent by the terminal device in the first time unit without generating a first result. The first result is that some information bits in the first transport block cannot be transmitted. The terminal device transmits the first control information on the first time domain resource.

Abstract: A method for wireless communication and an apparatus are provided, comprising: determining location information, wherein the location information indicating a quantity of M subcarrier spacings between a second location of a physical resource block (PRB) in a system common PRB grid and a first location in a synchronization signal block, the system common PRB grid having a first subcarrier spacing, the first location being a beginning subcarrier of the synchronization signal block and the first location overlapping with the PRB; sending the location information via a broadcast message.

Abstract: A terminal device receives first information from a network device, wherein the first information indicates a plurality of activated serving cells configured by the network device for the terminal device. The plurality of activated serving cells are located in at least two different frequency bands. The terminal device determines, among the plurality of activated serving cells, a reference cell in each of the at least two frequency bands corresponding to the plurality of activated serving cells. The terminal device determines a transmission direction of the terminal device in each of the plurality of activated serving cells. In the frequency band, transmission directions of the terminal device in the reference cell and another cell are the same, and the another cell is an activated serving cell other than the reference cell in the frequency band.

Abstract: A communication method includes receiving, by a terminal device, first information from a network device. The first information indicates a precoding matrix. The communication method also includes determining, by the terminal device, the precoding matrix based on the first information. The precoding matrix is for sending an uplink signal. The precoding matrix is determined based on a first matrix and a second matrix. At least one of the first matrix is determined from a first matrix set based on the first information, wherein the first matrix set is determined based on a horizontal-dimension parameter of an antenna of the terminal device; or the second matrix is determined from a second matrix set based on the first information, wherein the second matrix set is determined based on a vertical-dimension parameter of the antenna.

Abstract: A method includes: A terminal device determines first information, where the first information includes a first information element and a second information element, the first information element indicates at least two frequency band sets, a first frequency band set in the at least two frequency band sets includes at least one frequency band, the second information element indicates a first relationship between a second frequency band set and the first frequency band set in the at least two frequency band sets, and the first relationship includes switching and/or concurrency. The terminal device sends the first information to a network device.

Abstract: A communication method includes reporting fourth and fifth band sets. The fourth band set and the fifth band set include a twelfth band and a thirteenth band. A maximum quantity of layers supported by uplink transmission on the twelfth band of the fourth band set is 1. A maximum quantity of layers supported by uplink transmission on the thirteenth band of the fourth band set is 2. A maximum quantity of layers supported by uplink transmission on the twelfth band of the fifth band set is 2. A maximum quantity of layers supported by uplink transmission on the thirteenth band of the fifth band set is 2. The method also includes receiving fourth information that indicates transmitter (Tx) switching on the twelfth band and the thirteenth band. The method further includes performing Tx switching on the twelfth band and the thirteenth band based on parameters of a sounding reference signal.

Abstract: A communication method and apparatus are provided. UE may obtain first information, where the first information is used for scheduling the UE for performing first transmission on a first uplink carrier, the first transmission is N-port transmission, and N is a positive integer. The UE may further perform the first transmission on the first uplink carrier, where when the first transmission is performed, a quantity of ports supported by the UE for uplink transmission on the first uplink carrier is M, and M is determined based on second information of at least one uplink carrier of the UE. This helps a base station and the UE have a consistent understanding of a state after the UE performs radio frequency chain switching each time, and can improve uplink transmission performance.

Abstract: A transmission method includes receiving first information from a first network device, receiving second information from the first network device, and transmitting the first data to the first network device based on the first information and the second information. The first information is useable by the terminal device to divide first data into at least two data blocks. The first data is to-be-transmitted data between the first network device and the terminal device. A quantity of slots occupied by the first data is greater than 1. Each data block of the at least two data blocks is mapped to a different corresponding time-domain position. The second information is useable to indicate at least two modulation and coding schemes (MCSs) useable for transmitting the at least two data blocks, and the at least two MCSs are different from one another.

Abstract: Embodiments of this application provide for a transmission method and a related communication apparatus. In the method, a communication device determines a maximum quantity of repetitions allowed when data is transmitted by using a transport block over multiple slots (TBoMS), N1, and performs a repeated transmission of the data based on N1. In the method, N1, N2, and N meet a preset condition, N1?1, N1 is an integer, N2 indicates a quantity of slots occupied by one transport block (TB) when data is transmitted by using the TBoMS, N2?2, N2 is an integer, N is a preset value, and N is a positive integer.

Abstract: This application provides a data transmission method and apparatus, to increase a coding gain. The method includes: determining a transport block size, where the transport block size is related to a first parameter including at least one of the following: a modulation and coding scheme, configuration information of a transmission resource, a quantity NRE of resources to which a transport block is mapped, or a quantized intermediate value N?info, the first parameter is related to a second parameter including at least one of the following: an upper limit value (1) of the quantity of resources to which the transport block is mapped, an upper limit value (2) of the transport block size, or an upper limit value (3) of the quantized intermediate value; and sending or receiving data on the transmission resource based on the transport block size.

Abstract: In a demodulation reference signal (DMRS) configuration method, a network device sends first scheduling information to a terminal device. The terminal device determines, based on the first scheduling information, whether a transmission of a first time unit meets a condition of having the same transmit power, same precoding, same antenna port, or a same frequency domain resource as the transmission of a second time unit. The second time unit is before the first time unit and has a transmission direction that is the same as a transmission direction in the in the first time unit, and no transmission in an opposite direction exists between the second time unit and the first time unit. When the first time unit meets the above condition, the terminal device sends uplink data in the first time unit and the second time unit, or receiving downlink data in the first time unit and the second time unit.

Abstract: An apparatus determines a timing offset of a first carrier and a second carrier. The timing offset is an offset between timing of downlink communication of the first carrier and timing of uplink communication of the second carrier. The first carrier is a carrier using a first radio access technology (RAT), and the second carrier is an uplink frequency division duplex (FDD) carrier using the first RAT and a second RAT. The apparatus sends first indication information to a terminal. The first indication information indicates the timing offset, and the timing offset is used to determine the timing of the second carrier.

Abstract: The technology of this application relates to a downlink signal processing method and apparatus. The method includes a terminal device receiving first indication information from a network device, and determining at least one first resource block group and at least one second resource block group based on the first indication information, where the first indication information indicates the at least one first resource block group and/or the at least one second resource block group. The method further includes performing demodulation reference signal (DMRS) port detection, where a quantity of times of DMRS port detection on each of the at least one first resource block group is greater than or equal to a first preset value, and a quantity of times of DMRS port detection on each of the at least one second resource block group is less than the first preset value.

Abstract: This application provides a DMRS sending method, a DMRS receiving method, and a communication apparatus. The method includes: receiving indication information indicating a scheduled DMRS port; and sending a DMRS on the scheduled DMRS port. The scheduled DMRS port belongs to a DMRS port set, the DMRS port set includes M DMRS ports, the M DMRS ports correspond to a first time domain position and a second time domain position, and a first DMRS port set corresponding to the first time domain position is different from a second DMRS port set corresponding to the second time domain position. In this way, different DMRS port sets are mapped to the first time domain position and the second time domain position, so that more orthogonal DMRS ports can be supported, thereby improving a system capacity.

Abstract: This application provides a communication method and an apparatus, to resolve a problem of high signaling overheads caused by resource scheduling in a scenario in which a channel slowly varies. In this application, a terminal device receives first signaling, where the first signaling includes first indication information of first information associated with a first signal and first indication information of first information associated with a second signal. The terminal device receives second signaling, where the second signaling indicates the terminal device to receive the second signal in a second time unit, and does not include indication information of the first information associated with the second signal.

Abstract: This application provides a communication method and apparatus. The communication method includes: adding a modulation coding scheme whose modulation order is 10 for communication between a network device and a terminal device, to improve communication efficiency of the terminal device in an area with better channel quality, including a central area.

Abstract: This application discloses a communication method and apparatus, to resolve an existing problem that a large quantity of time-frequency resources are occupied for indicating a quantity of repeated transmissions of a Msg 3. The method includes: A terminal device receives first information. The terminal device obtains first indication information based on a shared bit in the first information. The first indication information indicates a quantity of repeated transmissions of a third message Msg 3. The third message Msg 3 is a radio resource control RRC connection request in a random access procedure. The shared bit is shared by the first indication information and the first information. The terminal device determines the quantity of repeated transmissions of the third message based on the first indication information.

Abstract: A communication method and apparatus and a computer-readable storage medium. The method includes: receiving first indication information from a network device, where the first indication information indicates a first uplink frequency domain resource, a second uplink frequency domain resource, and a first downlink frequency domain resource on a carrier in a first time period, and the first time period includes one or more slots; and determining the first uplink frequency domain resource, the second uplink frequency domain resource, and the first downlink frequency domain resource on the carrier based on the first indication information. A terminal device can determine uplink and downlink resources on a same carrier at the same time in a full-duplex frequency division duplex scenario.

Abstract: A first access network device determines a timing offset of a first carrier and a second carrier. The timing offset is an offset between timing of downlink communication of the first carrier and timing of uplink communication of the second carrier. The first carrier is a carrier using a first radio access technology (RAT), and the second carrier is an uplink frequency division duplex (FDD) carrier using the first RAT and a second RAT. The first access network device sends first indication information to a terminal. The first indication information indicates the timing offset, and the timing offset is used to determine the timing of the second carrier. Based on this scheme, the terminal can use a shared frequency band resource of LTE, thereby improving resource utilization.