Abstract: The present application relates to the field of communications, and provides a transmission method and apparatus. The method includes a network side device determines a number of Demodulation Reference Signal (DMRS) port groups N occupied by downlink transmission data sent to a terminal, N being greater than or equal to 1; the network side device determines, according to the number of the DMRS port groups occupied by the downlink transmission data, a code word transmission mode corresponding to the downlink transmission data; and the network side device performs data processing on the downlink transmission data according to the code word transmission mode, and transmits the processed downlink transmission data by means of transmission points corresponding to the N DMRS port groups.

Abstract: The present application can provide an uplink transmission method and apparatus. The method comprises: a base station instructs a UE to send SRSs corresponding to N groups of SRS resources, each of the N groups of SRS resources comprising one or more SRS resources; N being a positive integer; the base station receives the SRSs sent by the UE to determine X groups of uplink scheduling information, each of the X groups of uplink scheduling information corresponding to one group of SRS resources in the N groups of SRS resources; uplink scheduling information in different groups corresponding to SRS resources in different groups; X being a positive integer greater than one and not greater than N; the base station sends the determined X groups of uplink scheduling information to the UE so that the UE transmits an uplink signal according to the X groups of uplink scheduling information.

Abstract: A signal processing method and device are provided. The method includes indicating a first uplink sounding reference signal resource to a terminal, wherein the first uplink sounding reference signal resource is used for uplink beam scanning; receiving a uplink sounding reference signal transmitted by the terminal by using the first uplink sounding reference signal resource; determining a target uplink sounding reference signal based on the uplink sounding reference signal transmitted by the terminal, and transmitting an identifier of the target uplink sounding reference signal to the terminal; indicating a second uplink sounding reference signal resource to the terminal, the second uplink sounding reference signal resource being used to cause the terminal to transmit an uplink sounding reference signal for channel measurement based on the identifier of the target uplink sounding reference signal and the second uplink sounding reference signal resource.

Abstract: A channel state information (CSI) feedback method and device are disclosed. In the method, a terminal determines an orthogonal beam group and pre-coding matrix information according to codebook parameter information, where a same beam in the orthogonal beam group has same specified coefficients in first and second polarization directions, each of the specified coefficients comprises an amplitude coefficient and/or a phase coefficient; the pre-coding matrix information includes the specified coefficients and adjustment factors, and the adjustment factors are used together with the specified coefficients to determine linear combination coefficients except the specified coefficients in a linear combination coefficient set; and the pre-coding matrix information is sent to a network-side device.

Abstract: The information processing method includes: receiving transmission mode-related configuration information; determining whether a transmission scheme of a first signal is a first transmission scheme according to the transmission mode-related configuration information; wherein, the transmission mode-related configuration information includes at least one of: transmission mode configuration information, DMRS port indication information of the first signal, TDRA indication information about the first signal, or scenario indication information about whether a terminal is in a high-speed train scenario and/or a frequency pre-compensation scenario; in the first transmission scheme, one layer of the first signal and at least two reference signals have a QCL relationship with respect to at least one large-scale parameter of channel; and/or, one DMRS port of the first signal and at least two reference signals have the QCL relationship with respect to at least one large-scale parameter of channel.

Abstract: An information reporting and receiving method, a terminal device and a network device are provided in the present disclosure. The information reporting method, performed by the terminal device, which includes: acquiring resource configuration information for channel measurement, where the resource configuration information indicates at least two resource groups and resources included in each resource group; determining reporting configuration of channel state information (CSI); acquiring at least one CSI according to the resource configuration information and the reporting configuration; sending a target CSI to a network device according to the at least one CSI, where the target CSI includes first information, and the first information indicates a target resource and a type of transmission mode recommended by a terminal, where the target resource includes: at least one resource or a combination of at least two resources.

Abstract: Disclosed in the present application are a locating method for an uplink time difference of arrival, and an apparatus thereof.

Abstract: A method for positioning based on downlink (DL) channel information includes: sending a positioning assistance data request message to a core network device, in which the positioning assistance data request message includes the DL channel information; receiving positioning assistance data sent by the core network device, in which the positioning assistance data includes DL PRS resource information, the DL PRS resource information is determined by an access network device based on first estimated location information of the UE forwarded by the core network device, and the first estimated location information is determined by the core network device based on the DL channel information; obtaining a DL positioning measurement by measuring a DL PRS based on the DL PRS resource information, and sending the DL positioning measurement to the core network device.

Abstract: A data transmission method, a terminal and a network device are provided. The transmission method includes: acquiring a target uplink transmission manner corresponding to a transmission capability of a terminal; transmitting a data layer of uplink data via at least one antenna panel of the terminal according to a correspondence between data layers of the uplink data and antenna panels of the terminal in the target uplink transmission manner.

Abstract: Disclosed are a channel reciprocity-based precoding matrix configuration method and apparatus. The method includes: in downlink transmission, a network side separately sends, on each antenna port associated with each transmission layer, a CSI-RS subjected to beamforming to a terminal by using beams calculated according to angle information and delay information determined on the basis of uplink channel state information, and determines a precoding matrix for downlink transmission of the terminal according to beams sent on K0 antenna ports selected by the terminal on the basis of the CSI-RS, and a beam combination coefficient set.

Abstract: A method for determining a bundling size, user equipment and a network-side device are provided The method includes: reporting, by user equipment, capability information to a network-side device, where the capability information is used to indicate whether the user equipment supports one-physical resource block bundling, and receiving a bundling size set configured by the network-side device for the user equipment according to the capability information, where supporting the one-physical resource block bundling indicates that a turn-off of a physical resource block bundling function is supported; and/or using, by the user equipment, a default bundling size or a bundling size configured via a higher-layer signaling to transmit data if the network-side device turns off a function of dynamic bundling size adjustment.

Abstract: A beam failure processing method, a terminal, and a network device are provided. The method includes: obtaining K beam failure recovery (BFR) procedures and a beam failure detection reference signal (BFD RS) set or a control resource set (CORESET) group corresponding to each of the K BFR procedures; where K is a positive integer; for each of the K BFR procedures, performing a beam failure processing according to a reference signal in the BFD RS set corresponding to the BFR procedure or a reference signal associated with the CORESET group corresponding to the BFR procedure; where the CORESET group includes at least one CORESET.

Abstract: The present application can provide an uplink transmission method and apparatus. The method comprises: a base station instructs a UE to send SRSs corresponding to N groups of SRS resources, each of the N groups of SRS resources comprising one or more SRS resources; N being a positive integer; the base station receives the SRSs sent by the UE to determine X groups of uplink scheduling information, each of the X groups of uplink scheduling information corresponding to one group of SRS resources in the N groups of SRS resources; uplink scheduling information in different groups corresponding to SRS resources in different groups; X being a positive integer greater than one and not greater than N; the base station sends the determined X groups of uplink scheduling information to the UE so that the UE transmits an uplink signal according to the X groups of uplink scheduling information.

Abstract: Disclosed are beam training methods and devices. A beam training method includes: a transmitting end determining a first mapping relationship between BPL identifiers, CRIs, and transmitting beams; the transmitting end configuring a first reference signal resource for a receiving end, and transmitting configuration information of the first reference signal resource to the receiving end, the configuration information including a first BPL identifier; the transmitting end determining a first transmitting beam; the transmitting end transmitting a reference signal to the receiving end, by using the first transmitting beam within the first reference signal resource, so that the receiving end receives the reference signal on the first reference signal resource.

Abstract: Provided are an array selection method, a terminal, a network device, and a storage medium. The method comprises: sending assistance information to a network device, wherein the assistance information comprises at least one of the following: identifier information of an optimal reference signal required for uplink transmission, and an array-based maximum power reduction (P-MPR) value corresponding to one or more arrays of a terminal when a maximum power exposure (MPE) event occurs; and receiving indication information sent by the network device on the basis of the assistance information, wherein the indication information is used for indicating an array used by the terminal for subsequent uplink transmission, or for indicating that the terminal performs new uplink beam scanning. The embodiments of the present application avoid the uplink coverage loss caused by an MPE issue.

Abstract: Provided in the embodiments of the present disclosure are a cell handover method and apparatus, and a UE, a base station and a storage medium. The method includes performing cell measurement on all cells on the basis of channel state information reference signal (CSI-RS) resource sets corresponding to cells; and sending a measurement result of at least one cell among all the cells to a base station of a current cell, and the base station of the current cell performs cell handover determination on the basis of the received measurement result of the at least one cell. By means of the method and apparatus, and the UE, the base station and the storage medium provided in the embodiments of the present disclosure.

Abstract: The embodiments of the present application provide a method for processing a message and apparatus, a terminal device, a network device and a storage medium. The method comprises: transmitting a first signal to a network device, the first signal being used for indicating first index information of a link in which a beam failure occurs. By means of the present application, a terminal device can determine which link's serving beam a network device changes, thereby recovering the transmission of a single link in time when a beam failure occurs therein.

Abstract: Embodiments of the present invention provide a determining transmission resources method and apparatus, and a storage medium. The method comprises: receiving first configuration information sent by a network side device; and according to one or more of the first configuration information, a PDCCH association configured by the network side device, and a predefined PDCCH association, determining the association between resources used by at least two PDCCHs for repeated transmission, or determining the resources used by the at least two PDCCHs for repeated transmission. The present invention can reduce the complexity of blind detection of a terminal device and the number and range of attempts for blind merging.

Abstract: A beam indication method includes: receiving a beam indication message from a base station, in which the beam indication message includes a first transmission configuration indication (TCI) state ID; obtaining a first TCI state corresponding to the first TCI state ID from a TCI state pool, in which an information field of the first TCI state at most includes two groups of source RS information for indicating beam directions; and determining a beam direction corresponding to an uplink channel and/or a downlink channel based on the source RS information for indicating beam directions.

Abstract: Disclosed are a codebook constraint and codebook parameter determination method and apparatus, and same are used for preventing the generation of a beam with an orientation bringing about interference, and to prevent interference. The codebook constraint method includes determining codebook sub-set constraint indication information for indicating that one or more beam groups in a candidate combination beam set are constrained and coefficients in a first coefficient set corresponding to each beam of the beam groups are constrained, and sending the codebook sub-set constraint indication information to a terminal.