Abstract: Embodiments of this application provide a signal transmission method and a communications apparatus. The method includes: a terminal device receives information from a network device, wherein the information indicates the terminal device to send a signal in a fallback transmission mode; the terminal device determines that transmission of the signal is failed; and then sends the signal to the network device in the fallback transmission mode.

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: 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 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: 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.

Abstract: A communication method and a communication apparatus. A terminal device receives first indication information and second indication information from a network device and determines, based on the first indication information and the second indication information, that a first resource in a resource group corresponding to at least one DMRS port in any one of at least one first time unit does not carry a first data signal, and that a second resource in the resource group corresponding to the at least one DMRS port in another time unit in a time unit set other than the at least one first time unit carries the first data signal. The terminal device receives the first data signal from the network device on a third resource in all the time units in the time unit set, where the third resource includes the second resource and does not include the first resource.

Abstract: A signal processing method includes receiving, by a terminal, first indication information and second indication information. The first indication information indicates at least one first resource block group. The second indication information indicates a second resource block group. The second resource block group belongs to the at least one first resource block group. The signal processing method also includes receiving, by the terminal, a downlink signal on the at least one first resource block group. The signal processing method further includes processing the downlink signal based on the second indication information.

Abstract: A signal transmission method and a related apparatus. First indication information indicates one or more demodulation reference signal DMRS port sets. Second indication information indicates N first DMRS ports associated with a first signal, where N is greater than or equal to 1. A terminal device receives the first indication information, the second indication information, and processes the first signal based on the first indication information and the second indication information.

Abstract: Embodiments of this application disclose a signal processing method and an apparatus, which may be applied to a wireless communication system, for example, a new radio NR system. The method includes: A terminal device receives first indication information from a network device, where the first indication information indicates whether a first reference signal in a first time period is associated with a second signal in a second time period, the first reference signal is associated with a first signal in the first time period, and a start moment of the second time period is after an end moment of the first time period. The terminal device processes the second signal based on the first indication information. This facilitates subsequent processing of the second signal and helps the terminal device determine whether to store the first reference signal.

Abstract: This application provides a signal sending method, a signal receiving method, and a related apparatus. The method includes: modulating a bit stream to generate a modulated symbol, where a modulation order of the bit stream is n, a value of the modulated symbol is one of a plurality of complex number sets, the complex number set includes Y = 2n complex numbers, and the complex number set meets: a ratio of a real part of a first complex number with a largest absolute value of the real part to a real part of a second complex number with a smallest absolute value of the real part is equal to M:N, where M and N are positive integers, a greatest common divisor of M and N is 1.

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: Embodiments of this application provide a signal receiving method, a signal sending method, and a corresponding apparatus. The method includes: A terminal device receives indication information from a network device, where the indication information indicates at least one SRS resource, and the at least one SRS resource corresponds to a receive antenna to be used by the terminal device to receive a downlink signal. The terminal device receives the downlink signal from the network device by using the receive antenna corresponding to the at least one SRS resource.

Abstract: A reference signal sending method, a reference signal receiving method, and an apparatus are provided. A first network device determines a first resource. The first network device generates a reference signal corresponding to the first resource. The reference signal includes M parts, and all of the M parts are the same. The first resource does not carry a cyclic postfix of the reference signal. Alternatively, the first resource carries a cyclic prefix of the reference signal and the cyclic prefix corresponding to the reference signal is located only at the start of the 1st part in the M parts. M is a positive integer. The first network device sends the reference signal to a second network device on the first resource.

Abstract: A method and an apparatus for transmitting or receiving information are provided. The method includes: receiving, by a terminal device, indication information from a network device, where the indication information indicates a timing adjustment parameter, the timing adjustment parameter is to be used by the terminal device to determine transmit timings on a first uplink carrier and a second uplink carrier, the first uplink carrier is an uplink carrier of a first radio access technology, and the second uplink carrier is an uplink carrier of a second radio access technology; and determining, by the terminal device, the timing adjustment parameter based on the indication information.