Abstract: Feedback information sending methods and devices are disclosed. One method includes: transmit, during a first time period, a transport block (TB) to a terminal device, in response to determining that the one or more first CBGs are correctly decoded and the one or more second CBGs are incorrectly decoded, retransmit, during a second time period after the first time period, the one or more second CBGs that are incorrectly decoded, and receive, during a third time period after the second time period, feedback information, wherein the feedback information comprises one or more first decoding statuses respectively corresponding to the one or more first CBGs that are transmitted during the first time period and one or more second decoding statuses respectively corresponding to the one or more second CBGs that are retransmitted during the second time period.

Abstract: In the method, a terminal device receives first downlink control information from a network device, where the first downlink control information includes a first hybrid automatic repeat request (HARQ) process number. The terminal device receives, on a first frequency band, a first data packet carrying a first transport block, and receives, on a second frequency band, a second data packet carrying a second transport block, where the first HARQ process number corresponds to the first transport block on the first frequency band and the second transport block on the second frequency band. The terminal device performs joint decoding on the first data packet and the second data packet. The first transport block is the same as the second transport block. By using the method and the apparatus provided in the embodiments of the present invention, data transmission reliability in a multi-band transmission scenario can be improved.

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 an information transmission method and an apparatus. The method includes: determining, by a terminal device, a target time domain interval, where a time domain resource in the target time domain interval includes at least one candidate time domain resource used to carry first resource indication information, the first resource indication information is used to indicate a first time domain resource, the first time domain resource at least partially overlaps a second time domain resource, and the second time domain resource is used to carry a first uplink signal; receiving, by the terminal device, the first resource indication information on a first candidate time domain resource in the target time domain interval; and prohibiting, by the terminal device based on the first resource indication information, sending of at least a part of the first uplink signal.

Abstract: A method for aggregation transmission of multi-user downlink data and an apparatus. A network device performs, based on a specific aggregation rule, bit aggregation on downlink data of a terminal device in a terminal device group, performs channel encoding and modulation on data obtained through the bit aggregation, and sends the data to a plurality of terminal devices participating in aggregation transmission. Each terminal device that receives the downlink data obtains, based on the aggregation rule, respective downlink data from the received data obtained through the bit aggregation. According to this method, the network device performs channel encoding on an aggregated bit sequence, thereby increasing a sequence length before encoding, and improving a coding gain.

Abstract: A time domain resource determining method includes obtaining a group-radio network temporary identifier (G-RNTI). The method also includes detecting a first downlink control channel in a common search space. The G-RNTI is used for scrambling the first downlink control channel. The method further includes obtaining first time domain resource assignment information. There is an association relationship between the first time domain resource assignment information and the G-RNTI. The method additionally includes determining a time domain resource of a first downlink data channel based on the first time domain resource assignment information and the first downlink control channel.

Abstract: A method and an apparatus for aggregation and transmission of multi-user uplink data, the method including obtaining first indication information by a first terminal device of N terminal devices in a terminal device group, the first indication information being location information of uplink data of the N terminal devices in a first uplink bit sequence including the uplink data of the N terminal devices, obtaining the uplink data of the N terminal devices, determining the first uplink bit sequence based on the first indication information and the uplink data of the N terminal devices, receiving second indication information from a network device, where the second indication information includes information about a first time-frequency resource, obtaining a second uplink bit sequence by performing channel coding on the first uplink bit sequence, and sending the second uplink bit sequence on the first time-frequency resource.

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: Embodiments of the present invention provide a method performed by a terminal device, comprising: sending a first data packet to a network device in a first time unit in a GUL transmission manner, where the first data packet corresponds to a first HARQ process number, and the first data packet corresponds to first new data indication information; receiving first instruction information, where the first instruction information is used to instruct the terminal device to send a second data packet in a second time unit, the second data packet corresponds to the first HARQ process number, and the second data packet corresponds to second new data indication information sent by the network device; and performing buffering processing on the first data packet or sending the second data packet, based on a value of the first new data indication information and a value of the second new data indication information.

Abstract: Method for receiving retransmitted data is disclosed. A terminal device receives identification information of a code block group. The code block group is one of a plurality of code block groups of a transport block that the terminal device received from a radio access network device, and the code block group includes at least one code block that is not transmitted correctly. The terminal device also receives a retransmission of the code block group from the radio access network device. The terminal device restores information carried in the received transport block. The identification information of the code block group is carried in downlink control information. The identification information of the code block group indicates which code block group of the transport block is retransmitted. The downlink control information further includes indication information that indicates whether the code block group is punctured or interfered.

Abstract: Example uplink channel listening methods and apparatus are described. In one example method, a contention window size (CWS) is determined with reference to a time threshold, for example, a timer. After sending an uplink burst, if a terminal device does not receive indication information carrying a hybrid automatic repeat request (HARQ) status, the terminal device increases the CWS and then performs channel listening.

Abstract: This disclosure describes a graphics processing unit programmed to generate a sample path for the demand of the one or more products at a store based at least in part on data associated with a historical distribution of the variability of the demand of the one or more products. The graphics processing unit may generate a thread corresponding to a plurality scenarios. The graphics processing unit may execute the thread in parallel to determine one or more parameters for each of the plurality of scenarios for the one or more products. The graphics processing unit may select the one or more parameters generated from the execution of one of the sample paths to minimize the cost. The graphics processing unit may adjust an inventory management system to set an inventory management setting based at least in part on the selection of the one or more parameters.

Abstract: Methods and apparatuses for sending a multicast control channel are provided. One example method includes a terminal device receiving first configuration information, where the first configuration information indicates N modification periods, and N is an integer greater than 1. The terminal device determines, based on the first configuration information, a modification period corresponding to a first service, and monitors a modification notification of an MCCH based on the modification period corresponding to the first service. Therefore, in some instances, services with different latency sensitivities can correspond to different modification periods to meet latency requirements of different services and ensure an electricity saving effect of the terminal device.

Abstract: A terminal device receives first scheduling information from an access network device, where the first scheduling information is used to schedule the terminal device to transmit a first transport block by using an unlicensed carrier; performs rate matching on the first transport block, to obtain uplink data; detects the unlicensed carrier, and determines a start time domain symbol, used to send the uplink data, in at least two time domain symbols included in a first subframe, where the at least two time domain symbols include a first time domain symbol and a second time domain symbol, the second time domain symbol is later than the first time domain symbol, and the start time domain symbol is the first time domain symbol or the second time domain symbol; and sends the uplink data to the access network device from the start time domain symbol.

Abstract: A data sending and receiving method and apparatus are disclosed. The method includes: obtaining, by a first device, first data, where the first data includes data obtained after a first transport block is encoded, the first data includes at least two pieces of subdata, and the at least two pieces of subdata include first subdata and second subdata; determining, by the first device, a first time-frequency resource used to transmit the first data, where the first time-frequency resource occupies at least two subbands, and the at least two subbands include a first subband and a second subband; and sending, by the first device, the first subdata by using the first subband occupied by the first time-frequency resource, and sending, by the first device, the second subdata by using the second subband occupied by the first time-frequency resource.

Abstract: A method, apparatus and computer program stored on a non-volatile computer readable storage medium for confirming a pill in the mouth of a user. The computer program causing a general purpose computer to perform the steps of capturing one or more images of a user by an image capture device, confirming the position of the face of the user within the captured image by measuring a size of the face, and setting a predetermined portion of the face of the user to be a region of interest. An open mouth of the user is confirmed within the region of interest, and the open mouth of the user is classified as one of a mouth with a pill therein and a mouth without a pill therein.

Abstract: A method, system and computer program for confirming proper medication amount for a medication injection apparatus. The computer program causes a computer to perform the steps of providing one or more instructions on a display of a computing device instructing placement of an injectable medication apparatus including an indication of an amount of medication to be injected by the injectable medication apparatus, imaging by an image capture one or more images of the injectable medication apparatus including the indication of the amount of medication, and comparing by a processor of the computing device through recognition of the indication of the amount of medication, the indicated amount to a predetermined amount. One or more additional instructions may be provided on the display of the computing device to change the indication of the amount of medication if it is determined that the recognized indicated amount does not match the predetermined amount.

Abstract: Embodiments of the present invention disclose a communication method and apparatus. an example method includes: setting up a first radio bearer for a first terminal device, where the first radio bearer is used to transmit a first service; allocating a first RNTI and a second RNTI to the first terminal device, where the first RNTI is used to schedule a service for the first terminal device, and the second RNTI is used to schedule the first service for a group of terminal devices including the first terminal device; and scheduling a data packet of the first service for the first terminal device on the first radio bearer by using the first RNTI and the second RNTI.

Abstract: Embodiments of the present invention provide a data sending method, a data receiving method, user equipment, and a base station. The method includes: receiving, by UE, an uplink scheduling grant, where the uplink scheduling grant includes first resource indication information; determining, by the UE, a target resource based on the first resource indication information, where the target resource is allocated resource blocks in M basic resource elements; and sending, by the UE, uplink data on the target resource. In the embodiments of the present invention, service coverage of a base station can be significantly improved.

Abstract: A feedback information sending method and device are disclosed. In one embodiment, a method includes: receiving, by a terminal device during a first time period, a transport block (TB) from a network device, wherein the TB comprises a plurality of code block groups (CBGs); determining, by the terminal device, that the plurality of CBGs include one or more CBGs that are correctly decoded and one or more CBGs that are incorrectly decoded; receiving, by the terminal device during a second time period after the first time period, one or more retransmissions comprising the one or more CBGs that are incorrectly decoded and absent the one or more CBGs that are correctly decoded; and sending, by the terminal device during a third time period after the second time period, first one or more decoding statuses corresponding to one or more CBGs that are correctly decoded and second one or more decoding statuses corresponding to one or more retransmissions.