Abstract: This application provides an uplink information transmission method and apparatus. The method includes: determining a value of a power control parameter in a value set of the power control parameter, where any value set of the power control parameter includes at least two values; sending indication information to a terminal device, where the indication information is used to indicate the value of the power control parameter; and receiving uplink information, where the uplink information is from the terminal device at a transmit power adjusted based on the value of the power control parameter.

Abstract: This application provides a communication method and apparatus. One example method includes, obtaining, by a terminal device, a first frequency domain resource and a second frequency domain resource, wherein the first frequency domain resource and the second frequency domain resource are independently configured, and the second frequency domain resource comprises a control-resource set (CORESET) 0 and an initial bandwidth part (BWP); and receiving, by the terminal device, first information, wherein the first information is used to schedule a downlink data channel, the first information comprises frequency domain resource assignment information, wherein the frequency domain resource assignment information indicates a frequency domain resource of the downlink data channel within a range of the first frequency domain resource, and the first information is scrambled by using a group-radio network temporary identifier (G-RNTI) this application.

Abstract: This application discloses a method for sending a physical uplink shared channel and an apparatus and relates to the communication field, to resolve a problem of how to transmit uplink data to different TRPs by using different precoding matrices. A network device sends indication information to a terminal device, where the indication information is used to indicate first information and second information. The first information is used to indicate first precoding information corresponding to a first nominal PUSCH repetition. The second information is used to indicate second precoding information corresponding to a second nominal PUSCH repetition. The terminal device sends N PUSCHs based on precoding information indicated by the indication information. The precoding information corresponding to the N PUSCHs includes at least one of the first precoding information and the second precoding information.

Abstract: This application provides a data transmission method and apparatus. A terminal device sends first data to a network device in the nth time unit, where n is an integer greater than or equal to 0. The terminal device send second data to the network device when the terminal device does not receive the response message corresponding to the first data before the (n+k)th time unit, wherein the second data is new data which is different from the first data, where k is a positive integer. According to the data transmission method provided in some embodiments of this application, the terminal device may flexibly determine the transmission mode of the second data based on an actual situation, so as to reduce a transmission delay of uplink data and improve transmission reliability of the uplink data.

Abstract: An uplink control information transmission method and a device, the device including a processor, and a memory storing a computer program for execution by the processor, the computer program including instructions for receiving physical downlink control channels (PDCCHs), where the PDCCHs are used to schedule physical downlink shared channels (PDSCHs), and where the PDCCHs comprise a PDCCH in a first PDCCH set and a PDCCH in a second PDCCH set, generating a first codebook and a second codebook, where the first codebook corresponds to the first PDCCH set, where the second codebook corresponds to the second PDCCH set, and where the first PDCCH set and the second PDCCH set correspond to different values of codebook identification information of the PDCCHs, and sending one or both of the first codebook and the second codebook.

Abstract: A network device sends indication information to a terminal device, to indicate a reference position of a starting symbol of a data channel. The network device sends a physical downlink control channel to the terminal device. Then the network device sends the data channel to the terminal device, or the network device receives the data channel from the terminal device.

Abstract: This application provides a communication method and apparatus, and relates to the field of communication technologies, to improve data transmission reliability and resource utilization. The method includes: After the terminal device determines a candidate time domain resource set, the terminal device determines, based on the candidate time domain resource set, a codebook to be fed back to a network device. The codebook includes feedback information of one or more physical downlink shared channels PDSCHs, and the one or more PDSCHs are transmitted by using a time domain resource position indicated by the candidate time domain resource set.

Abstract: This application provides a communication method, a terminal device, and a network device, so that blind detection can be performed in different scheduling periods based on a maximum number of blind detection in a preset time period, thereby helping to reduce energy consumption that is caused to a terminal device by blind detection, and reduce blind detection complexity. The method includes: determining, by a terminal device, a maximum number of blind detection in a first time unit, where the first time unit is one or more symbols; and performing, by the terminal device, physical downlink control channel blind detection in the ith blind detection occasion, where the first time unit includes N blind detection occasions, and a number of physical downlink control channel blind detection performed by the terminal device in the N blind detection occasions is less than or equal to the maximum number of blind detection, where i and N are positive integers, i?N and N?2.

Abstract: This application provides a communication method and apparatus. A terminal receives from a network device, first indication information indicating N sets of information of feedback time, each of the N sets comprises at least one piece of information of feedback time, each of the at least one piece of information of feedback time indicates a quantity of time units comprised in a feedback time of a data block. The terminal receives downlink control information (DCI) from the network device, wherein the DCI comprises second indication information indicating first information of feedback time of the data block, and the first information of feedback time belongs to a first set of information of feedback time, and the first set is one of the N sets. The terminal sends the response message for the data block to the network device based on the second indication information and the first indication information.

Abstract: A communication method and a communications apparatus are provided. The method includes: A network device configures a first time domain resource set of a first DCI format and a second time domain resource set of a second format for a terminal device; and the terminal device determines, based on a time domain repetition manner of grant free scheduling, a time domain repetition manner of the first DCI format, and a time domain repetition manner of the second format, an available third time domain resource set from the first time domain resource set and the second time domain resource set, and then receives and sends data by using a time domain resource in the third time domain resource set.

Abstract: A PDCCH sending method and apparatus, and a PDCCH blind detection method and apparatus are provided. The method includes: determining, by a terminal device, a blind detection capability of the terminal device; performing, by the terminal device, PDCCH blind detection in one time unit based on PDCCH configuration information and the blind detection capability of the terminal device, where the blind detection capability of the terminal device includes N maximum quantities, of blind detection times, corresponding to N subcarrier spacings in the time unit and/or N maximum quantities, of channel estimation control channel elements CCEs, corresponding to the N subcarrier spacings in the time unit, where N is a positive integer.

Abstract: A resource determining method and an apparatus are disclosed. A network device determines a resource of an uplink channel. A terminal device receives downlink control information (DCI) sent by the network device, where the DCI is carried on a physical downlink control channel (PDCCH). The terminal device determines the resource of the uplink channel based on the DCI, where the resource of the uplink channel is used to send uplink information. As a result, a latency of sending the uplink information is reduced.

Abstract: This application provides a link failure detection method. A terminal device measures quality of radio links corresponding to reference signals in a set. When any one of the radio links is of poor quality, and not all of the radio links are of poor quality, the terminal device notifies a network device of the radio link of poor quality. After determining the radio link of poor quality, the network device does not send and/or receive communication data between the network device and the terminal device on the radio link of poor quality, or does not send and/or receive, on the radio link of poor quality, communication data that does not satisfy a service requirement.

Abstract: A method for sending hybrid automatic repeat request acknowledgement/negative acknowledgement information and an apparatus are disclosed, and relate to the communications field, to specify a mechanism for feeding back information indicating whether a decoding result of downlink data repeatedly transmitted in a slot is correct. The method includes: determining a first downlink data occasion set based on a time domain resource indicated by a TDRA table; determining a first downlink data occasion based on a start time domain resource for sending downlink data; adding feedback information (for example, information indicating whether a decoding result of the downlink data is correct) to a feedback location corresponding to the first downlink data occasion; determining a feedback slot based on a slot to which the start time domain resource for sending the downlink data belongs and a first offset K1; and feeding back a HARQ-ACK codebook in the feedback slot.

Abstract: This application provides a communication method and apparatus. A terminal receives first indication information from a network device, wherein the first indication information indicates a first set of related information of feedback time, each piece of related information of feedback time in the first set of related information of feedback time indicates a quantity of time units comprised in a feedback time of a first data block. The terminal receives second indication information from the network device, wherein the second indication information indicates first related information of feedback time of the first data block, and the first related information of feedback time belongs to the first set of related information of feedback time. The terminal sends the response message for the first data block to the network device based on the second indication information and the first indication information.

Abstract: This application discloses a communication method, which includes: A terminal side device determines, based on configuration information sent by a network side device, positions of a first time subunit and a second time subunit for monitoring a downlink control channel; and determines, based on a parameter corresponding to the first time subunit, a monitoring capability corresponding to the first time subunit, where the parameter corresponding to the first time subunit includes at least one of the following: a first time domain interval between a start position of the first time subunit and a start position of the second time subunit; a time domain length of the first time subunit; and a second time domain interval between the first time subunit and the second time subunit.

Abstract: Embodiments in this application relate to method and apparatus for transmitting downlink control information. A network device determines downlink control information, where the downlink control information includes at least one information field. The network device sends the downlink control information to a terminal device in a common search space or a common control resource set, or sends the downlink control information to the terminal device in a specific search space or a specific control resource set. The terminal device receives the downlink control information, and determines information indicated by the at least one information field of the downlink control information. According to the solutions provided in the embodiments of this application, requirements of various communication scenarios can be better satisfied.

Abstract: This application provides a method and device for transmitting data. This is advantageous to improving data transmission efficiency. The method includes: sending, by a first device, indication information to a second device, where the indication information indicates a first sending manner for a first transport block, and the first sending manner is one of at least two sending manners; and sending, by the first device, the first transport block based on the first sending manner, or receiving, by the first device, the first transport block based on the first sending manner.

Abstract: A response information transmission method and an apparatus are provided. After receiving first downlink data from a network device, a terminal device transmits the first downlink data in a semi-persistent scheduling manner, and determines, based on a transmission status of first response information of the first downlink data, whether to send the first response information to the network device. The transmission status may include two states: One state represents that the first response information and first uplink information are to be simultaneously transmitted in a first time unit, and the other state represents that the first response information is to be separately transmitted in the first time unit. When the first response information is to be separately transmitted in the first time unit, the network device determines, based on the transmission status of the first response information, whether to receive the first response information.

Abstract: A method may include: dividing, by a sending device into k code blocks CBs, a TB into which a cyclic redundancy check bit is loaded, then separately performing channel coding on the k CBs, to obtain a bit sequence Sj, where j=1, 2, . . . , and k, and a set S={S1, S2, . . . , Sk}. and mapping, by the sending device, some or all bit sequences in all elements in S to transmission resources in N basic transmission time units, where some or all bit sequences in the Sj are mapped to transmission resources in Mj basic transmission time units, and a last bit in the Sj mapped to an mth basic transmission time unit in the Mj basic transmission time units and a first bit in the Sj mapped to an (m+1)th basic transmission time unit are contiguous in the Sj.