Embodiments of the present invention disclose an information processing method and device, applicable to indicate a feedback mechanism for data transmission. The method in the embodiments of the present invention includes: sending, by a first device, first indication information to a second device, where the first indication information is used to indicate a first feedback mechanism of the second device for data transmission, the first feedback mechanism is at least one of a plurality of feedback mechanisms, and types of at least two of the plurality of feedback mechanisms are different; and receiving, by the first device, first feedback information sent by the second device based on first feedback mechanism.

A method comprises: configuring multiple reporting modes for multi-level based transmitter (TX) beam index reporting for a particular beam/antenna panel group from a plurality of beam/antenna groups, wherein the multiple reporting modes includes at least one of a full reporting mode configuration for the particular beam/antenna panel group, a full reporting mode configuration common for the plurality of beam/antenna panel groups, a differential reporting mode, and a partial reporting mode, selecting a reporting mode from the multiple reporting modes, and sending a report based on the selected reporting mode.

Techniques and apparatus for configuring differential channel state information (CSI) reporting for high resolution CSI are provided. One technique includes determining a configuration for a user equipment (UE) to use for reporting differential CSI feedback. The configuration includes at least an indication of when the UE is to report differential CSI feedback, and is signaled to the UE. Once received, the UE reports differential CSI feedback according to the configuration.

A terminal is disclosed including a transmitter that transmits information regarding at least one reception power (RSRP: Reference Signal Received Power) and a processor that, when reporting of a first RSRP and a second RSRP is carried out, controls to transmit a value corresponding to the first RSRP, and a value corresponding a difference between the first RSRP and the second RSRP. In other aspects, a radio communication method is disclosed.

This application provides a data transmission method, a terminal device, and a network device. The method includes: sending, by a terminal device, first information to a network device, where the first information is used to indicate a first channel quality indicator (CQI) corresponding to a first block error rate; and sending, by the terminal device, second information to the network device by using radio resource control (RRC) signaling or media access control (MAC) signaling, where the second information is used to indicate a difference between the first CQI and a second CQI, the second CQI is a CQI corresponding to a second block error rate, and the first block error rate is greater than the second block error rate.

A wireless communication method for a terminal, a terminal, and a wireless communication system receive one or more Channel State Information Reference Signals (CSI-RSs). Further, quantization of combination coefficients of the one or more CSI-RSs corresponding to one or more spatial beams Discrete Fourier Transform (DFT) basis vector amplitudes is performed.

Apparatuses, methods, and systems for configuring a CSI report. One method (600) includes receiving (602) an indication of CSI configuration measurement and/or reporting for a high-speed user equipment. The method (600) includes receiving (604) a CSI measurement configuration based on a reference signal resource with a resource setting. The method (600) includes generating (606) a set of CSI feedback parameters based on a report setting configuring a user equipment for CSI reporting. The method (600) includes identifying (608) a combination of parameters. Each combination of parameters of includes a report setting, a resource setting, and a CSI feedback report format. The method (600) includes transmitting (610) a set of CSI reports to a network. Each CSI report: corresponds to a configuration mode having a primary and secondary configuration mode; includes at least one type of a codebook configured via a codebook configuration; and includes a CSI part.

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive, during a transmission interval, a data transmission over a plurality of beamformed channels and, for each data transmission, a reference signal transmitted in conjunction with the data transmission. The UE may perform, for one or more of the plurality of beamformed channels, a channel state measurement procedure during the transmission interval using the data transmission, the reference signal, or a combination thereof. The UE may transmit, over an acknowledgement/negative acknowledgement (ACK/NACK) signal, a feedback report indicating a result of the channel state measurement procedure for the one or more of the plurality of beamformed channels. The base station may perform, based at least in part on the feedback report, subsequent transmissions to the UE over the one or more beamformed channels.

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may monitor a first control channel in a first frequency band. The UE may determine that a bandwidth capability of the UE supports communicating on the first frequency band and at least a second frequency band. The UE may perform a channel measurement procedure on the first frequency band and the second frequency band concurrently. The UE may transmit a channel feedback message including information associated with the channel measurement procedure.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine to report first channel state information (CSI), wherein the first CSI is associated with a parameter that indicates a priority of the first CSI. The UE may prioritize the first CSI over a second CSI based at least in part on the parameter. The UE may transmit an indication of the first CSI and may drop the second CSI based at least in part on prioritizing the first CSI over the second CSI. Numerous other aspects are provided.