Abstract: This application provides a downlink channel transmission method and apparatus, so that reliability of downlink channel transmission can be improved. The method includes: A terminal device receives at least two physical downlink control channels PDCCHs on at least two control information resources, where the at least two PDCCHs carry same downlink control information DCI, and the DCI is used to indicate a time-frequency resource corresponding to a first downlink channel. The terminal device obtains at least two transmission configuration indicators TCIs corresponding to the at least two control information resources. The terminal device determines a target TCI in the at least two TCIs, where the target TCI is a TCI corresponding to the first downlink channel. The terminal device receives the first downlink channel based on the DCI and the target TCI.

Abstract: A communication method, and a communications apparatus. The method includes: a terminal device determines uplink information; when the uplink information is first feedback information, the terminal device determines a first uplink control channel resource corresponding to the first feedback information, and sends the first feedback information on the first uplink control channel resource; or when the uplink information includes A-CSI, the terminal device determines a second uplink control channel resource corresponding to the uplink information, and sends the uplink information on the second uplink control channel resource, where the first uplink control channel resource is different from the second uplink control channel resource.

Abstract: This application relates to the field of communication technologies, and discloses a transport block size determining method and an apparatus. The method includes: A terminal device determines, based on control information sent by a network device, K transmission occasions used to transmit a first data packet, where at least two of the K transmission occasions include different quantities of valid REs. Further, the terminal device may determine, based on a target quantity of valid REs, a TBS corresponding to the first data packet, where the target quantity of valid REs may be an average quantity of valid REs of the K transmission occasions, or may be a quantity of valid REs included in a target transmission occasion in the K transmission occasions.

Abstract: This application provides a wireless communication method and a communications apparatus, to implement semi-static codebook feedback at a sub-slot granularity. The method includes: determining a candidate opportunity set, where a quantity of candidate opportunities included in the candidate opportunity set is a maximum quantity of non-overlapping data transmission opportunities included in a data transmission opportunity set, the data transmission opportunity set corresponds to a first set, the first set includes one or more downlink sub-time units, and the one or more downlink sub-time units correspond to a target uplink sub-time unit; and sending or receiving feedback information in the target uplink sub-time unit, where the feedback information includes a hybrid automatic repeat request acknowledgement HARQ-ACK codebook corresponding to the candidate opportunity set.

Abstract: This application provides a method for multiplexing uplink control information, and relates to the wireless communications field. When a resource of a first uplink control channel that carries first HARQ-ACK information does not overlap a resource of a second uplink control channel that carries second HARQ-ACK information in time domain, but a resource of a third uplink control channel that carries an SR/CSI overlaps both the resource of the first uplink control channel and the resource of the second uplink control channel in time domain, a base station and UE determine, based on a format of the first uplink control channel, a format of the second uplink control channel, and a format of the third uplink control channel, that third HARQ-ACK information and first UCI are multiplexed for transmission, where the third HARQ-ACK information is the first HARQ-ACK information or the second HARQ-ACK information.

Abstract: The present disclosure relates to methods and apparatus for transmitting uplink control information. One example method includes generating, by a terminal device, an encoded uplink data packet, where the uplink data packet belongs to an uplink channel, the uplink channel is carried on a candidate time-frequency resource in a first time transmission interval (TTI), the candidate time-frequency resource is a first time-frequency resource or a second time-frequency resource, and a second time-domain start point of the second time-frequency resource is later than a first time-domain start point of the first time-frequency resource, performing, by the terminal device, detection on a carrier in which the candidate time-frequency resource is located, and sending, by the terminal device, the uplink channel on the candidate time-frequency resource based on a result of the detection, where the uplink channel includes uplink control information and the encoded uplink data packet.

Abstract: Embodiments of this application provide a buffer status report (BSR) sending method, a terminal device, and a network device. The method includes: determining a first resource configured for a first channel; adding, a first cyclic redundancy check (CRC) to a BSR; and sending a second channel on the first resource, or sending the first channel and a second channel on the first resource, where the second channel is used to carry the BSR to which the first CRC is added. Based on the embodiments of this application, the terminal device independently adds the first CRC to the BSR, and sends the second channel carrying the BSR to a network device, so that the network device learns arrival of data corresponding to the second channel at the terminal device. Therefore, the network device can pre-configure a resource for the data, thereby reducing a transmission latency of the data.

Abstract: Embodiments provide a uplink channel transmission method. Scheduling information from the network device can be received by a terminal device. The scheduling information indicates uplink time-frequency resources carrying at least one uplink channel. a first uplink channel is carried on a first uplink time-frequency resource, and the first uplink time-frequency resource occupies M subbands in the N subbands in frequency domain, M?2. The M subbands can be detected by the terminal device to determine, from the first uplink time-frequency resource, a second uplink time-frequency resource usable by the terminal device. The second uplink time-frequency resource occupies K subbands in the M subbands in frequency domain, and M>K?1. The first uplink channel can be sent by the terminal device by using the second uplink time-frequency resource.

Abstract: This application discloses that a terminal device determines at least one target time parameter set based on N time parameter sets, where time unit lengths corresponding to at least two of the N time parameter sets are different; determines M target times based on a first time and the at least one target time parameter set, generates a codebook based on response information corresponding to downlink information received at at least one of the M target times, and sends the codebook to a network device at the first time. Correspondingly, the network device determines, based on the response information included in the codebook, whether the downlink information corresponding to the response information is successfully transmitted. Therefore, when the time unit lengths corresponding to the at least two of the N time parameter sets are different, the network device and the terminal device have a consistent understanding of the codebook.

Abstract: This application provides a data transmission method and a communications apparatus. The method includes: first determining, based on a first time domain resource, M mini-slot-level second time domain resources that do not cross a slot boundary; and then performing repeated mini-slot-level data transmission on the M second time domain resources.

Abstract: A method for determining a contention window size in clear channel assessment, including: determining, at least one user equipment first UE that occupies an uplink subframe on an unlicensed carrier and that is in at least one UE scheduled in a reference subframe, where the uplink subframe is an uplink subframe in which at least one UE scheduled by the base station in the reference subframe feeds back a hybrid automatic repeat request HARQ status for the reference subframe; and determining, a CWS in CCA for downlink transmission based on a HARQ status of the at least one first UE that occupies the uplink subframe.

Abstract: Embodiments of the present invention provide a method for transmitting uplink control information and an apparatus, applicable to a multi-carrier system. A user terminal receives physical layer signaling from a network device, where the physical layer signaling includes first indication information. The user terminal determines, according to the first indication information, a bit quantity of periodic CSI that can be sent on a channel resource or a piece quantity of periodic CSI that can be sent on a channel resource. The user terminal determines, according to the bit quantity or the piece quantity of the periodic CSI that can be sent, to-be-sent periodic CSI from periodic CSI corresponding to multiple downlink carriers. The user terminal sends HARQ-ACK information and the to-be-sent periodic CSI on the channel resource.

Abstract: A medication confirmation method and apparatus for confirming administration of medication employing an inhalable medication administration apparatus. The method of an embodiment of the invention includes the steps of capturing one or more video sequences of a user administering medication employing the inhalable medication administration apparatus, storing the captured one or more video sequences, capturing one or more audio sequences of the user administering medication employing the inhalable medication administration apparatus and storing the captured one or more audio sequences. At least one of the stored video sequences and at least one of the stored audio sequences are then analyzed to confirm that the user has properly administered the medication.

Abstract: The present disclosure relates to detecting methods, transmitting methods, and apparatus for a common control channel. One example detecting method includes determining a candidate resource set within downlink resources of a current cell. The candidate resource set can include at least one candidate resource carrying a common control channel of the current cell. A detection is performed on the at least one candidate resource in the candidate resource set, so as to acquire the common control channel of the current cell.

Abstract: This application discloses communications apparatuses, to resolve a 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 apparatus is enable to execute comprises: receiving a second UCI on a second PUCCH without receiving a first UCI on the first PUCCH, the first UCI comprising HARQ information, and the second UCI comprising a SR; wherein a time domain position of the second PUCCH overlaps a time domain position of the first PUCCH, a priority of the second UCI is higher than a priority of the first UCI, the priority of the second UCI is a priority of a resource configuration corresponding to the second UCI, and the priority of the second UCI is greater than or equal to a first threshold.

Abstract: The present disclosure describes methods, user equipment, and base stations for sending feedback information. One example method includes: sending scheduling information on a downlink control channel to user equipment, wherein the downlink control channel is in a downlink subframe which belongs to a preconfigured downlink subframe set, and the scheduling information is used for scheduling downlink data; determining an uplink subframe for receiving feedback information corresponding to the downlink data, wherein the preconfigured downlink subframe set is a set of downlink subframes that are associated with the uplink subframe and that are of all carriers configured for the user equipment by the base station; sending PUCCH resource indication information to the user equipment for indicating a PUCCH resource.

Abstract: This application provides a communication method, and apparatus. The communication method includes: a terminal device receives indication information from a network device, wherein the indication information indicates a first time-frequency resource, the terminal device adjusts sending of a sounding reference signal (SRS) in a second time-frequency resource based on the indication information.

Abstract: This application provides a communication method, including: A terminal device determines a first time unit for receiving downlink data, determines, based on k1 corresponding to the downlink data, a second time unit in which feedback information corresponding to the downlink data is located, where a length of the first time unit is greater than or equal to a length of the second time unit, k1 is a nonnegative integer, k1 represents a quantity of second time units from the first time unit to the second time unit, and the length of the second time unit is less than one slot slot, and sends, in the second time unit, a feedback codebook to the network device, where the feedback codebook includes the feedback information corresponding to the downlink data. In this application, a transmission latency of downlink data is reduced.

Abstract: A communications method, and apparatus are provided, to reduce a transmission latency when a plurality of HARQ-ACKs are transmitted in one time unit. The method includes: determining, in N groups of time-frequency resources based on the grouping relationship, the ith group of time-frequency resources corresponding to a first parameter related to the first DCI, receiving first DCI, and determining a first uplink channel that carries a first HARQ-ACK on a first time-frequency resource in the ith group of time-frequency resources, where the grouping relationship represents a correspondence between a first parameter and N groups of time-frequency resources, the N groups of time-frequency resources are obtained by grouping time-frequency resources in one time unit, each group of time-frequency resources corresponds to one or more first parameters, and the first parameter is related to DCI, a time-frequency resource in each group of time-frequency resources is for an uplink channel carries a HARQ-ACK.

Abstract: Embodiments of this application provide a method and a device for transmitting and receiving information. The method includes: receiving, by a terminal device on a first downlink carrier, a broadcast message transmitted by a network device, where the broadcast message includes second downlink configuration information corresponding to a second downlink carrier, the second downlink configuration information includes second downlink frequency information and/or physical cell identifier information of the second downlink carrier, the first downlink carrier and a second uplink carrier are serving carriers of the terminal device, the second downlink carrier is not a serving carrier of the terminal device, and the second downlink carrier and the second uplink carrier are paired carriers on a system level.