Abstract: This application provides an information transmission method and apparatus. A terminal receives downlink control information (DCI), wherein a format of the DCI corresponds to a time domain resource set, the time domain resource set comprises first time domain resource. The terminal determines the first time domain resource from the time domain resource set based on the format of the DCI and second information, wherein the second information is carried in the DCI, and the second information indicates the index of the first time domain resource in the time domain resource set. And the terminal performs information transmission on the first time domain resource and through a physical channel.

Abstract: This application provides an information processing method and a communications apparatus. In embodiments of this application, when a time-frequency resource, for a first DMRS, indicated by first information overlaps a time-frequency resource, for a second DMRS, indicated by second information, but another parameter indicated by the first information is different from that indicated by the second information, a terminal device may discard the second information, to avoid a behavior error or behavior unpredictability of the terminal device. A parameter indicated by each of the first information and the second information includes at least one of the following parameters: bandwidth part indication information, antenna port information, and DMRS sequence initialization information.

Abstract: This application discloses a signal transmission method. The method may include: generating, by a terminal, a first bit(s), where the first bit(s) is used to indicate scheduling requests associated with a first scheduling request configuration, and the first scheduling request configuration is at least one of a plurality of scheduling request configurations; generating, by the terminal, a hybrid automatic repeat request bit(s); and sending, by the terminal, the hybrid automatic repeat request bit(s) and the first bit(s) in one time unit. In the foregoing solution, a plurality of scheduling request configurations can be supported, so as to adapt to a multi-service scenario in a future communications system.

Abstract: The present disclosure provides an information processing method and apparatus. A terminal device encodes uplink control information (UCI) to obtain coded bits of the UCI, and encodes data to obtain coded bits of the data. The terminal device multiplexes the coded bits of the UCI and the coded bits of the data to obtain a multiplexed bit sequence. The terminal device then transmits the multiplexed bit sequence to a network device via a physical uplink shared channel (PUSCH). A length of a transmission time interval of the UCI is less than or equal to 0.5 millisecond. In this way, data transmission latency can be reduced.

Abstract: This application discloses an uplink control information transmission method and related apparatus, to resolve a prior-art problem that joint coding and transmission cannot be performed in a scenario in which PUCCH resources of SRs are not aligned with a PUCCH resource of a HARQ/CSI in time domain. The method comprises: determining a PUCCH, wherein the first PUCCH carries first uplink control information (UCI), and the first UCI comprises HARQ information or CSI; determining a second PUCCH, wherein the second PUCCH carries second UCI, wherein a time domain position of the second PUCCH overlaps a time domain position of the first PUCCH, and the second UCI comprises a SR; and when the second UCI meets a condition, only sending the second UCI on the second PUCCH.

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: Embodiments disclose a data transmission method and a related apparatus, to enable a network device to schedule uplink transmission and a time resource on which the uplink transmission is located. One method includes transmitting, by a terminal device, a scheduling request, where the scheduling request includes information about at least one first transport block. The method also includes receiving, by the terminal device, scheduling information on a first time resource, and determining, by the terminal device, a target time resource, where the target time resource includes a second time resource or a third time resource, and a time interval between the second time resource and the first time resource is greater than a time interval between the third time resource and the first time resource. The method further includes transmitting, by the terminal device, a second transport block on the target time resource based on the scheduling information.

Abstract: The method in the embodiment of the present invention includes: determining a shared frequency band, and a cell of the shared frequency band is a secondary serving cell of UE1 that performs communication by using the first network and a secondary serving cell of UE2 that performs communication by using the second network, and both the UE1 and the UE2 can work on the shared frequency band and at least one other frequency band than the shared frequency band; and transmitting only a common signal of the second network on the shared frequency band when service transmission of the first network is performed on the shared frequency band.

Abstract: The present disclosure provides an information processing method and apparatus. A terminal device encodes uplink control information (UCI) to obtain coded bits of the UCI, and encodes data to obtain coded bits of the data. The terminal device multiplexes the coded bits of the UCI and the coded bits of the data to obtain a multiplexed bit sequence. The terminal device then transmits the multiplexed bit sequence to a network device via a physical uplink shared channel (PUSCH). A length of a transmission time interval of the UCI is less than or equal to 0.5 millisecond. In this way, data transmission latency can be reduced.

Abstract: This application provides an information transmission method and apparatus. A terminal receives downlink control information (DCI), wherein a format of the DCI corresponds to a time domain resource set, the time domain resource set comprises first time domain resource. The terminal determines the first time domain resource from the time domain resource set based on the format of the DCI and second information, wherein the second information is carried in the DCI, and the second information indicates the index of the first time domain resource in the time domain resource set. And the terminal performs information transmission on the first time domain resource and through a physical channel.

Abstract: The present invention relates to the communications field, and provides an uplink data sending method and apparatus, so as to adapt to uplink channel sending in a case of a shortened transmission cycle. The method includes: performing, by a terminal, power control depending on whether a time domain resource on which an uplink channel is located carries a reference signal (RS) of the uplink channel; determining first transmission power of a first uplink channel; and sending, by the terminal, the first uplink channel at the first transmission power. The foregoing method improves accuracy of uplink channel demodulation by a base station.

Abstract: Methods, systems, and apparatus for codebook transmission are provided. In one aspect, a method includes receiving at least one downlink transmission and indication information corresponding to the at least one downlink transmission and generating a codebook including at least one piece of feedback information corresponding to the at least one downlink transmission. The at least one downlink transmission includes a target downlink transmission corresponding to an actual occasion and a pair of a target frequency domain resource and a reference occasion. A location of feedback information corresponding to the target downlink transmission in the codebook corresponds to indication information corresponding to the target downlink transmission.

Abstract: This application provides a method to improve resource utilization efficiency of an uplink control channel that carries feedback information. A terminal device receives one or more downlink channels carried in one or more first time units, the first time units belonging to in a time unit set; determines a second time unit for carrying feedback information corresponding to the downlink channels according to a first association relationship between the time unit set and the second time unit; determines a first codebook; and sends uplink control information including the first codebook in the second time unit. When one of the downlink channels is received in first time units that belong to a subset of the time unit set, and there is a second association relationship between the subset of the time unit set and the second time unit, the first codebook includes only feedback information corresponding to the downlink channel carried in the first time units in the subset.

Abstract: A communication method, and related apparatuses are disclosed, to provide an MCS corresponding to a lower code rate, so as to better adapt to a requirement of a URLLC service. The communication method includes: determining N MCS indexes in an MCS table, where a value that is obtained by multiplying a code rate by 1024 and that corresponds to an MCS index X in the N MCS indexes is less than or equal to a first threshold, where X is an integer greater than or equal to 0, N is a positive integer, and N is greater than or equal to X; and sending at least one of the N MCS indexes.

Abstract: An uplink information transmission method and apparatus are disclosed. The uplink information transmission method includes: receiving, by a terminal device, downlink control information DCI sent by a network device, and determining, based on the DCI, a transmission resource of a physical uplink shared channel PUSCH scheduled by using the DCI, where the transmission resource of the PUSCH overlaps a transmission resource of a physical uplink control channel PUCCH in time domain, and the PUCCH is used to carry to-be-transmitted uplink control information UCI; and when a first condition is met, sending, by the terminal device, uplink data on the PUSCH, and skipping sending the UCI on the PUSCH.

Abstract: This application discloses an uplink control information transmission method and related apparatus, to resolve a prior-art problem that joint coding and transmission cannot be performed in a scenario in which PUCCH resources of SRs are not aligned with a PUCCH resource of a HARQ/CSI in time domain. The method comprises: determining a PUCCH, wherein the first PUCCH carries first uplink control information (UCI), and the first UCI comprises HARQ information or CSI; determining a second PUCCH, wherein the second PUCCH carries second UCI, wherein a time domain position of the second PUCCH overlaps a time domain position of the first PUCCH, and the second UCI comprises a SR; and when the second UCI meets a condition, only sending the second UCI on the second PUCCH.

Abstract: This application provides an information transmission method and apparatus. The solution includes: determining, by a terminal device, at least two transport blocks; and decoding, by the terminal device, first information transmitted by using the at least two transport blocks, where the first information includes at least one of control information and data. This solution is applicable to a scenario in which same information or information with a same information source is transmitted by using a plurality of transport blocks.

Abstract: A communication method and a communications device are provided. The communication method includes: determining a modulation and coding scheme index; determining first information based on received DCI; determining, based on the first information, modulation and coding scheme information corresponding to the modulation and coding scheme index, wherein the first information comprises a search space in which the DCI is located, and the search space in which the DCI is located is a common search space or a user-specific search space.

Abstract: This application relates to the field of communications technologies, and provides an information sending method, an information receiving method, and an apparatus. The method includes: determining, by a terminal device, at least two transport blocks; and sending, by the terminal device, first information to a network device by using the at least two transport blocks, where the first information includes at least one of data and control information, and the at least two transport blocks carry the first information.

Abstract: A method for sending control information includes: determining, by a network device based on a first time-frequency domain resource for sending first control information, at least one information field included in the first control information; determining, by the network device, a quantity of bits of the first control information based on the at least one information field; and sending, by the network device, the first control information to a user terminal on the first time-frequency domain resource based on the quantity of bits of the first control information. The present application can improve data transmission efficiency.