Abstract: Embodiments of this application provide a communication method and a related device. The method includes: A terminal device obtains a plurality of power offset values corresponding to one reference signal resource, determines a plurality of pieces of channel state information CSI based on the plurality of offset values, and sends some or all of the plurality of pieces of CSI to a network device. The network device may flexibly adjust data transmit power based on the plurality of power offset values and the plurality of pieces of corresponding CSI, and perform appropriate link adaptation adjustment.

Abstract: This application provides a cell access method, a communication apparatus, and a computer storage medium. The method includes: A network device sends one or more reference signals to a terminal. The terminal sends corresponding first indication information to the network device based on a first reference signal in the received one or more reference signals, where the first indication information indicates the network device to send a downlink common signal, so that the terminal may access a target cell based on the downlink common signal.

Abstract: This application provides a channel state information measurement method, to enable a network device to dynamically adjust a quantity of transmit channels, thereby reducing energy consumption of the network device. The network device sends reference signal resource configuration information to a terminal device, where the reference signal resource configuration information indicates P antenna ports. The terminal device measures CSI based on one or more proper subsets of antenna ports in a universal set of the P antenna ports, and sends the CSI to the network device. The network device can dynamically adjust the quantity of transmit channels based on different dimensions of channel state information reported by the terminal device, thereby reducing energy consumption of the network device.

Abstract: A communication method and a communications apparatus are provided. A principle of the method is as follows. Currently, for downlink data transmitted in a semi-persistent scheduling manner, only 1-bit acknowledgment information can be fed back in one time unit. However, as a transmission periodicity P of the downlink data transmitted in the semi-persistent scheduling manner becomes smaller, multi-bit acknowledgment information may need to be fed back in one time unit. In view of this, this application provides a communication method and a communications apparatus to feed back multi-bit acknowledgment information in one time unit. First, multi-bit acknowledgment information to-be-sent in one time unit is determined; then N acknowledgment codebooks are generated, where the N acknowledgment codebooks are used to carry the multi-bit acknowledgment information; and finally, the N acknowledgment codebooks are sent in the time unit.

Abstract: This application provides a random access method, a communication apparatus, and a communication system. The method includes: A base station sends first indication information to a terminal, to indicate that statuses of one or more RACH resources in a RACH resource set are available or unavailable, where each RACH resource in the RACH resource set corresponds to one common signal in a common signal set, and each common signal in the common signal set corresponds to one or more RACH resources in the RACH resource set. The terminal selects an available first RACH resource from the RACH resource set based on the first indication information, and sends a RACH signal to the base station on the first RACH resource.

Abstract: A communication method, apparatus, and system are provided. A terminal device determines target DCI. The terminal device determines first information based on the target DCI, and sends the first information to a network device. The target DCI indicates a target PDSCH. The first information includes channel state information of the target PDSCH.

Abstract: A communication method includes detecting a first common signal. The first common signal belongs to a first set. The first set includes at least two common signals having different frequency positions. The first common signal carries first indication information. The communication method also includes determining a first control resource based on the first indication information. The communication method further includes receiving first downlink control information (DCI) on the first control resource. The first DCI is used to schedule a system message.

Abstract: This application discloses a communication method, apparatus, and system. A network device sends a first downlink common signal (for example, an SSB) to a terminal device. The terminal device receives system information from the network device based on the SSB. The system information carries information indicating a first frequency domain resource and a second frequency domain resource. The first frequency domain resource and the second frequency domain resource may be two carriers or two BWPs, and the two frequency domain resources correspond to different uplink-downlink configurations. The terminal device selects a first random access resource from a random access resource set based on an association relationship between an SSB and a random access resource to send a random access preamble. The random access resource set includes a random access resource on the first frequency domain resource and a random access resource on the second frequency domain resource.

Abstract: Embodiments of this application provide a wireless communication method, a communication apparatus, and a communication system. In the method, a terminal determines, based on a detected SSB, a first index of the SSB in a first set and a second index of the SSB, and then determines a resource of the SSB. One SSB may correspond to one or more resources, and time division multiplexing may be performed between different resources. Therefore, there is a plurality of sending occasions for one SSB. Each SSB corresponds to one transmit beam direction, so that a sending occasion of an SSB corresponding to a transmit beam direction may be flexibly adjusted. When a plurality of SSBs in one set are sent, a sending sequence of SSBs corresponding to different transmit beam directions may be determined according to a service requirement, to further determine a resource occupied by each SSB.

Abstract: A wireless communication method, a communication apparatus, and a communication system. A terminal determines, based on a detected SSB, a set corresponding to the SSB, and further determines resource multiplexing manners of a plurality of SSBs in the set. Because the resource multiplexing manners of the plurality of SSBs in the set are able to be flexibly configured, adaptation to various TDD configurations are able to be implemented. In response to downlink resources in a TDD configuration being insufficient, the plurality of SSBs in the set are sent in a frequency division multiplexing manner as much as possible. In response to the downlink resources in the TDD configuration being sufficient, the plurality of SSBs in the set are sent in a time division multiplexing manner or a frequency division multiplexing manner.

Abstract: This application discloses a power control method for an uplink control channel, and an apparatus. Based on a time-frequency resource of a first physical uplink control channel (PUCCH) for carrying first uplink control information (UCI) and a time-frequency resource of a second PUCCH for carrying second UCI overlapping, a terminal sends the first UCI and the second UCI over a third PUCCH by using first power. The first power is determined based on a quantity of bits of the first UCI and/or a quantity of bits of the second UCI, to improve UCI transmission reliability in this scenario.

Abstract: Embodiments of this application disclose an information transmission method and an apparatus therefor. The method includes: A terminal device sends uplink control information UCI to a network device through an uplink data channel. The uplink data channel carries N data blocks. The N data blocks include a first data block and a second data block. N is a positive integer greater than or equal to 2. The first data block is modulated based on a first modulation and coding scheme MCS, and the second data block is modulated based on a second MCS. Implementation of embodiments of this application helps ensure reliability of downlink data transmission.

Abstract: A communication method and apparatus resolve a problem that a terminal device frequently sends channel state information or an uplink reference signal, so that signaling overheads of the terminal device can be reduced. The method includes: determining a first feedback information set, and sending first channel state information or a first uplink reference signal to a network device when the first feedback information set meets a first condition. The first feedback information set includes at least one piece of feedback information, and the feedback information is a negative acknowledgment NACK or an acknowledgment ACK.

Abstract: Embodiments of this application disclose a measurement reporting method and an apparatus, and relate to the field of communication technologies. When a preset condition is met, a terminal device may complete CSI measurement and reporting in shorter time, so that a network device can obtain channel information in a timely manner, and can perform more accurate data scheduling, to improve reliability of service data transmission.

Abstract: This application provides an interference tracking method and an apparatus. A first terminal receives second information from a second network device on a first time-frequency resource, measures interference from the second network device based on the second information, and feeds back first interference information obtained through measurement to a first network device. Because the second information is sent by the second network device (that is, an interference source), the method enables the first terminal to measure interference in a timely manner based on an interference change of the interference source, accurately track an interference change caused by the second network device, and report more accurate interference information to the first network device.

Abstract: This application provides a communication method and apparatus, and relates to the field of communication technologies. A terminal receives first indication information that is sent by a network device and that indicates a time-frequency resource and an MCS of first data, and determines a first time-frequency resource carrying the first data, a second time-frequency resource carrying second data, and an MCS of the second data. The time-frequency resource includes the first time-frequency resource and the second time-frequency resource. In the method, if there are two pieces of data, the terminal may determine time-frequency resources and MCSs of the two pieces of data, to meet different data requirements and flexibly perform data transmission.

Abstract: This application provides an interference reporting method. A terminal device performs interference measurement on a first time-frequency resource, to obtain an autocorrelation matrix of an interference signal, further determines a first interference parameter based on the autocorrelation matrix of the interference signal, and reports the first interference parameter to a network device. Therefore, the network device can restore the autocorrelation matrix of the interference signal on the terminal device side. This helps the network device perform more accurate downlink data scheduling.

Abstract: In an interference control method, a first network device sends first indication information to a first terminal device, where the first indication information indicates a first reference signal (RS). The first terminal device obtains, based on measurement on the first RS, first interference information corresponding to the first RS, determines a first transmission parameter based on the first interference information, and sends uplink information to the first network device on a first time-frequency resource based on the first transmission parameter.

Abstract: A communication method and apparatus. Different frame structures are configured for different frequency domain resources in a dual-spectrum scenario. A network device sends information for configuring a first frequency domain resource and a second frequency domain resource to a terminal device, where the first frequency domain resource corresponds to a frame structure A, the second frequency domain resource corresponds to a frame structure B, the frame structure A is different from the frame structure B, and the first frequency domain resource and the second frequency domain resource are two different bandwidth parts BWPs on a first component carrier, or the first frequency domain resource and the second frequency domain resource are two different subbands in a first BWP. The terminal device performs first transmission on the first frequency domain resource and/or the second frequency domain resource.

Abstract: This application provides a feedback information transmission method and an apparatus. The method includes a terminal device that receives indication information from a network device. The indication information indicates to generate a semi-static codebook. The terminal device detects a first physical downlink shared channel (PDSCH) at M candidate receiving positions in a first time unit. The first PDSCH is a semi-persistent scheduling (SPS) PDSCH or a grant-free PDSCH, and M is a positive integer. The terminal device determines, based on a detection result of the first PDSCH, whether to send first feedback information to the network device. The first feedback information includes acknowledgement (ACK) information or negative acknowledgement (NACK) information indicating whether the first PDSCH detected at the M candidate receiving positions is correctly decoded.