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: A method for transmitting control information, a user equipment and a network device are disclosed. In an embodiment a method for transmitting control information include receiving, by a user equipment, a first part of downlink control information in a downlink control region sent by a network device and receiving, by the user equipment, downlink data and a second part of the downlink control information in a downlink data region based on the first part of the downlink control information, wherein the downlink data and the second part of the downlink control information is sent by the network device.

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 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 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: 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: This application discloses communication methods and communication apparatuses. A terminal device receives indication information from a network device. The indication information includes one or more indication parameters. The terminal device obtains one or more pieces of configuration information based on the indication parameters. The terminal device performs uplink or downlink data transmission according to the one or more pieces of configuration information. Each pieces of configuration information includes information of a starting location and information of a quantity of time domain symbols in a slot that are occupied by uplink data or downlink data. Each piece of configuration information is selected from a first set of configuration information or a second set of configuration information.

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 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: A signal receiving method, an apparatus and a communication system. The network device determines a subcarrier location of a to-be-sent first signal and a subcarrier location of a to-be-sent second signal, where subcarriers occupied by the first signal are continuous subcarriers in a first group of resource elements, subcarriers occupied by the second signal are continuous subcarriers in a second group of resource elements, a quantity of the subcarriers occupied by the first signal is the same as a quantity of the subcarriers occupied by the second signal, and a subcarrier spacing in the first group of resource elements is different from a subcarrier spacing in the second group of resource elements, the first signal and the second signal are primary synchronization signals. The network device sends the first signal to the terminal device and sends the second signal to the terminal device or other terminal device.

Abstract: Embodiments of this application provide slot format configuration method and device. According to the method, a network device determines a slot format index for performing uplink-downlink transmission with a terminal device. The slot format index corresponds to a row in a slot format information table, and each row in the slot format information table includes positions of uplink symbols, positions of downlink symbols, and positions of unknown symbols in a slot. The network device sends the slot format index to the terminal device. The terminal device determines a slot format for the uplink-downlink transmission from the slot format information table based on the slot format index. The uplink-downlink slot configuration method provided in the embodiments of this application may satisfy specific requirements of low-latency and high-reliability communication scenarios.

Abstract: Embodiments disclose a control information sending method, a control information receiving method, user equipment, and a network device. The sending method includes: obtaining a resource occupied by first uplink control information UCI, and obtaining a resource occupied by second UCI; performing channel encoding on the first UCI according to the resource occupied by the first UCI, to obtain an encoded bit sequence of the first UCI, and performing channel encoding on the second UCI according to the resource occupied by the second UCI, to obtain an encoded bit sequence of the second UCI; mapping the encoded bit sequence of the first UCI and the encoded bit sequence of the second UCI to a physical uplink channel; and sending the physical uplink channel.

Abstract: In accordance to embodiments, a user equipment (UE) may receive, from the source base station, a beam information message comprising beam associated information. The beam associated information may indicate a plurality of beam identifiers (IDs) corresponding to a plurality of beams in the target base station and a plurality of default timing advance (TA)s. Each default TA of the plurality of TAs is associated with one beam of the plurality of beams in the target base station and additional related configurations.

Abstract: This application discloses a method for a hybrid automatic repeat request (HARQ) feedback of downlink data. A terminal receives downlink data of a physical downlink shared channel (PDSCH) and downlink data of a physical downlink control channel (PDCCH) or an enhanced physical downlink control channel (EPDCCH) from a base station. Then the terminal sends a hybrid automatic repeat request (HARQ) feedback codebook to the base station. A size of the HARQ feedback codebook is based on a state of a semi-persistent scheduling (SPS) PDSCH transmission and a total downlink assignment indicator in the downlink data of the PDCCH or the EPDCCH, and the HARQ feedback codebook comprises a HARQ bit for the SPS PDSCH transmission.

Abstract: The present disclosure relates to uplink control information sending methods, uplink control information receiving methods, apparatus, and systems. One example method includes receiving, by a terminal device, channel indication information from an access network device on a physical control channel, determining a channel resource set of N channel resource sets that matches a size of uplink control information (UCI) as a first channel resource set, determining a first channel resource from the first channel resource set according to the channel indication information, and sending the UCI to the access network device on the first channel resource.

Abstract: A method includes: a terminal device may determine, based on a type of downlink control information DCI, whether data scheduled by using the DCI exists on a preempted time-frequency resource, to determine whether the data transmitted on the preempted time-frequency resource needs to participate in data decoding.

Abstract: Various embodiments provide a communication method. The method includes: determining, by a terminal device, first uplink control information and second uplink control information. In those embodiments, a length of a time domain resource corresponding to the first uplink control information is less than a length of a time domain resource corresponding to the second uplink control information. The first uplink control information or the second uplink control information comprises at least one of hybrid automatic repeat request information, channel state information, and scheduling request information. When the time domain resource corresponding to the first uplink control information overlaps with the time domain resource corresponding to the second uplink control information, the terminal device is configured to transmit third uplink control information on the overlapping time domain resource.

Abstract: Devices and methods are provided for receiving a first indication and a second indication, the first indication associated with a first set of transmission parameter information for a first repetition of data received in a Physical Downlink Shared Channel (PDSCH) and the second indication associated with a second set of transmission parameter information for a second repetition of data received in the PDSCH. Each set of transmission parameter information corresponds to a Quasi-Co-Location (QCL) information for the respective repetition of data. In addition, the method involves receiving a first PDSCH repetition and a second PDSCH repetition. A channel estimate can then be performed for the first PDSCH repetition based on the QCL information for the first PDSCH repetition and a channel estimate for the second PDSCH repetition based on the QCL information for the second PDSCH repetition.

Abstract: The present invention provides an uplink data sending method. The method includes: receiving, by a terminal device, scheduling signaling in at least one downlink time interval in a downlink time interval set, where the scheduling signaling is used to schedule uplink data, and any downlink time interval in the downlink time interval set belongs to a downlink subframe n; determining, by the terminal device, an uplink time interval corresponding to the at least one downlink time interval, where the any downlink time interval in the downlink time interval set is corresponding to the determined uplink time interval, the determined uplink time interval belongs to an uplink subframe n+k, and k is equal to 0, 1, 2, or 3; and sending, by the terminal device, the uplink data in the determined uplink time interval. In the foregoing solution, a latency from receiving scheduling information to sending uplink data can be reduced.

Abstract: This application provides a channel state information report transmission method and a communications device. The method includes: determining N channel state information reports; and sending M of the N channel state information reports based on priorities of the N channel state information reports, where both N and M are positive integers greater than or equal to 1, and M is less than or equal to N; and a priority of a channel state information report in the N channel state information reports.