Abstract: Embodiments of this application disclose a wireless communication method, a network device, and a terminal device, to reduce receiving performance loss of a terminal device that is caused by resource reallocation. The method includes: sending, by the network device, a physical downlink control channel, where the PDCCH indicates one or more time-frequency resources scheduled by the network device; reallocating, by the network device, at least one of the time-frequency resource; and sending, by the network device, at least one piece of posterior resource indication information, where the at least one piece of posterior resource indication information indicates the reallocated time-frequency resource in the time-frequency resources.

Abstract: The present disclosure relates to an information sending method and a device. In examples of the present disclosure, a terminal may send feedback information for a downlink subframe to a network device in a first feedback manner, that is, a first codebook of the feedback information is determined according to an instantly scheduled downlink subframe set.

Abstract: This application provides a downlink information transmission method, apparatus, and a device. The method includes: encoding information into a plurality of transport blocks; determining a time-frequency resource used to send each transport block; sending downlink resource indication information to user equipment, where the downlink resource indication information indicates a time-frequency resource location occupied by an Mth transport block; and sending corresponding transport blocks on the time-frequency resources. The user equipment receives the transport blocks based on the downlink resource indication information and decodes the transport blocks to obtain the information, where the downlink resource indication information indicates a resource of only one transport block. A terminal device may determine a time-frequency resource location of another transport block based on a location parameter of the another transport block, and receive and decode the another transport block.

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: This application provides a method and an apparatus for sending an SRS. When receiving first indication information indicating to send an SRS, a terminal device may determine a first time interval in a plurality of candidate first time intervals, where the first time interval is used to determine whether the first indication information is valid, and the terminal device may send the SRS based on the first time interval.

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 disclosure relates to channel state information (CSI) reporting methods and apparatus. When receiving first indication information used to trigger reporting of CSI, a terminal device determines a first time interval from a plurality of candidate first time intervals. The first time interval is used to determine whether the first indication information is valid. The terminal device reports the CSI based on the first time interval.

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: In a communication method disclosed in this application, a terminal device receives, from a network device, a synchronization signal and a system information signal that are generated based on a first subcarrier spacing. The terminal device sends a random access request signal to the network device based on a second subcarrier spacing and a first transmission resource, where a type of the first transmission resource corresponds to a third subcarrier spacing and/or a fourth subcarrier spacing. The terminal device further receives a random access response signal generated based on the fourth subcarrier spacing, where the random access response signal is used for instructing the terminal device to access a network or the random access response signal is used for instructing the terminal device to prepare to access network. Thereby, cell search for and random access to a network using a plurality of subcarrier spacings can be supported.

Abstract: Current frame structures in Long-Term Evolution (LTE) and New Radio (NR) place some restrictions on the symbols transmitted in the frame, e.g. restrictions related to the duration of each symbol. Embodiments are disclosed in which multi-carrier symbols and/or single-carrier symbol blocks have configurable parameters, such as configurable length and/or configurable location, thereby allowing for more flexibility in the scheduling and transmission of the symbols and/or symbol blocks. Some embodiments aim to implement the configurable parameters in a way that tries to reduce signaling overhead.

Abstract: Current frame structures in Long-Term Evolution (LTE) and New Radio (NR) are not designed to accommodate full duplex (FD) communication. Embodiments are disclosed in which frame structures are provided that support FD communication and frequency division duplex (FDD) communication and time division duplex (TDD) communication. In some embodiments, there is defined two separate and independent frame structures: a frame structure for reception (e.g. a downlink frame structure) and a frame structure for transmission (e.g. an uplink frame structure).

Abstract: A terminal receives downlink scheduling information of a downlink subframe F(i, j), where a set M of preconfigured downlink subframes in which the downlink subframe F(i, j) is located is divided into N subsets of preconfigured downlink subframes, a bit quantity of a hybrid automatic repeat request-acknowledgement HARQ-ACK that needs to be fed back for each downlink subframe in one subset of preconfigured downlink subframes is a predetermined value, and bit quantities of HARQ-ACKs that need to be fed back for any downlink subframes in different subsets of preconfigured downlink subframes are different. The terminal generates a HARQ-ACK codebook according to a receiving status of downlink data. And the terminal generates uplink control information after encoding the HARQ-ACK codebook; and a sending module sends the uplink control information.

Abstract: A channel quality indicator feedback method and device. The method includes: determining, by a terminal device, a response message of data and a channel state, where the response message includes an acknowledgement message and/or a negative acknowledgement message; determining, by the terminal device, first channel state information based on the response message of the data and the channel state; and sending, by the terminal device, the response message and the first channel state information to the network side device. According to the method and apparatus provided, reliability of downlink data from a base station can be improved.

Abstract: Embodiments of this application provide a control information sending method and apparatus. A network device generates first control information for a first TB, where the first TB includes n code block (CB) groups, where N is a maximum quantity of CB groups included in the first TB; each CB group includes at least one CB; the first control information includes N control information fields, and the N control information fields are in correspondence with the maximum N CB groups included in the first TB; and a control information field i in the N control information fields is used to indicate whether a CB group corresponding to the control information field i is to be sent or received, and i?[1, N]. In this way, a quantity of bits included in downlink control information can remain fixed, thereby reducing blind detection complexity of a terminal device.

Abstract: The present disclosure provides a signal processing method and device. The method includes: sending a first data signal and receiving a second data signal in a first Resource Block (RB) of a first subframe; and further sending a first reference signal according to first reference information and receiving a second reference signal according to second reference information in the first RB, where: the first reference information is different from the second reference information; the first reference information includes: a time-frequency resource location occupied by the first reference signal, and sequence information of the first reference signal; and the second reference information includes: a time-frequency resource location occupied by the second reference signal, and sequence information of the second reference signal. The present disclosure ensures correct receiving of the reference signal.

Abstract: Data channel sending and receiving methods, and an apparatus are disclosed. The network device sends indication information to the terminal, where the indication information indicates that the terminal needs to detect data channel puncturing information. The network device sends the data channel puncturing information to the terminal. The network device sends a data channel to the terminal, where the data channel is punctured at a resource location.

Abstract: The present invention relates to the field of communications technologies, and in particular, to a CSI reporting method, a CSI receiving method, and an apparatus, to resolve a technical problem that PUCCH resource overheads are relatively large during CSI reporting. In embodiments of the present invention, at least two PUCCH resources are configured for each downlink carrier group. CSI that needs to be reported in one uplink subframe may be obtained, and a format of a corresponding PUCCH resource is determined according to the to-be-reported CSI. For example, the determined format is referred to as a first format. Then, all of the to-be-reported CSI is reported after being added to a first first-format PUCCH resource.

Abstract: A DCI sending method and an apparatus are provided. A base station determines a first channel resource, where the first channel resource is located in the ith time unit of a subframe in a time domain, the subframe includes NT time units, NT is an integer greater than or equal to 2, and i is a positive integer less than or equal to NT; and the base station sends DCI to a terminal device on the first channel resource. In this solution, the first channel resource that carries the DCI is located in the ith time unit of the subframe in the time domain, where i is a positive integer less than or equal to NT. That is, there is a first channel resource in each time unit of the subframe. Therefore, when data needs to be transmitted in any time unit, the data can be transmitted immediately.

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: Embodiments of the present invention provide an uplink control information sending method, an uplink control information receiving method, an apparatus, and a system. The method includes: receiving, by a terminal device, channel indication information from an access network device on a physical control channel; determining the channel resource set that is of N channel resource sets and that matches a type or a size of the UCI as a first channel resource set; determining a channel resource that is in the first channel resource set and that is indicated by the channel indication information; and sending uplink control information UCI to the access network device on the channel resource. A quantity of bits that need to be added to the channel indication information in the embodiments of the present invention is less th-n that in the prior art.