Example communication methods and devices are provided. One example method includes a first device determines a first channel state information CSI report based on a precoding matrix type, where the precoding matrix type is a compressed type or an uncompressed type. The first device sends the first CSI report to a second device, where the first CSI report includes a CSI part 1 and a CSI part 2, the CSI part 1 indicates a number of bits of the CSI part 2 and the precoding matrix type, the CSI part 2 indicates wideband precoding matrix indicator (PMI) information, the wideband PMI information indicates an oversampling factor of a preset orthogonal beam vector and/or an index of the preset orthogonal beam vector, and the preset orthogonal beam vector is a spatial-domain orthogonal basis vector selected by the first device from a spatial-domain basis vector set.

Generating a channel state information (CSI) feedback report is provided. A set of reference signals is received (1502). A set of entries that are included in the CSI feedback report is computed (1504). Each entry has a most significant bit, and one or more remaining bits, where an order of each of the entries in the CSI feedback report are arranged based upon a bit level classification of the entries (1508). A value of the most significant bit of each of the entries is identified, and the entries, which have a most significant bit value corresponding to a higher bit value have the remaining bits arranged in a group that is positioned in the CSI feedback report prior to a group of tire remaining bits of the entries, which have a most significant bit value corresponding to a lower bit value (1510).

Generating a channel state information (CSI) feedback report is provided. A set of reference signals is received. A plurality of entries that are included in the CSI feedback report are computed, where the entries of the CSI feedback report include at least a set of coefficients. Each coefficient is associated with a set of indices including at least one or more of a spatial domain basis index, a frequency domain basis index, and a layer index. The plurality of entries of the CSI feedback report are arranged in an order known to both the user equipment and the network entity. The plurality of entries of the CSI feedback report are prioritized using indices corresponding to the set of indices, where a subset of the set of indices are permuted based on predefined permutations of the subset of the set of indices.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may perform channel state information measurements on reference signal transmissions from a base station. The UE may identify a set of cross layer coefficients associated with a set of spatial layers based on the channel state information measurements. The UE may additionally identify a set of precoding coefficients associated with a spatial layer from the set of spatial layers. In some implementations, the set of precoding coefficients may be based on the set of cross layer coefficients. In some examples, the UE may transmit the set of cross layer coefficients and the set of precoding coefficients to the base station.

Embodiments of the present disclosure provide a signal processing method and a signal processing device, which relate to the field of communication technology and used for the purpose of saving signaling resources. The signal processing method provided by embodiments of the present disclosure includes: transmitting a first indication message to a terminal device, wherein the first indication message is to trigger the terminal device to transmit feedback information on pilot signals; transmitting N downlink pilot signals to the terminal device, where N is an integer greater than or equal to 2, and the transmission manner of the N downlink pilot signals is semi-persistent transmission or aperiodic transmission, so that the terminal device, according to an acquired precoding manner of the downlink pilot signals and the first indication message, determines a feedback manner of the feedback information on the N downlink pilot signals and performs feedback, and wherein the feedback manner includes not feeding back or one-time feeding back of the feedback information on the N downlink pilot signals. In the embodiments of the present disclosure, the base station or the terminal device may not transmit feedback information on a plurality of pilot signals, or may one-time transmit feedback information on a plurality of pilot signals, thereby effectively saving signaling resources.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first device may receive an indication to use a first number of bits to report neural network based channel state information feedback (CSF). The first device may transmit, using a second number of bits that is different from the first number of bits, a report that indicates the CSF to a second device. Numerous other aspects are provided.

Aspects described herein relate to partitioning slots in wireless communications into virtual mini-slots at least for the purpose of transmitting multiple feedback transmissions within the slot.

A method for processing channel state information (CSI) is provided. The method includes: a terminal device generates CSI indication information based on a CSI indication information type; the terminal device transmits information, where the information is used for a network device to determine the CSI indication information and the CSI indication information type. A method for processing CSI, an electronic device, and a storage medium are further provided.

Methods, systems, and devices for wireless communications are described. A network entity may output a channel state information (CSI) report message that indicates multiple codebook configurations. A UE may receive the CSI report message indicating a set of codebook configurations associated with a set of antenna port configurations. The UE may transmit a CSI report indicating one or more codebook configurations of the set of codebook configurations, where CSI included in the CSI report is based on the one or more codebook configurations. The UE may then communicate with a network entity based on the channel state information report indicating the one or more codebook configurations.

A method is presented for transmitting uplink control information and a mobile station. The method for transmitting the uplink control information includes: adding padding bits to initial control information to generate uplink control information, where the initial control information includes first information having a same number of bits for RANKs of different channel matrices and second information having a same or different number of bits for RANKs of different channel matrices; and transmitting the uplink control information.