Abstract: Certain aspects provide techniques for precoder matrix quantization for compressed channel state information (CSI) feedback. A method for wireless communications by a user equipment (UE) includes receiving a CSI report configuration for frequency domain compressed precoder matrix feedback. The CSI report configuration configures the UE to report, for a plurality of selected beams at a plurality of time domain taps, a frequency domain compression basis vector and a plurality of linear combination coefficients associated with the frequency domain compression. For each of the beams, the UE groups the time domain taps into at least first and second groups. The groups each can have zero, one, or more than one time domain taps. The UE quantizes the corresponding linear combination coefficients and/or frequency domain compression basis vectors based on the grouping.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may perform channel state information (CSI) measurements on one or more reference signal transmissions from a base station; determine, based at least in part on the CSI measurements, a set of non-zero linear combination complex coefficients for weighting and co-phasing for a linear combination of a plurality of frequency domain basis vectors and a plurality of spatial domain basis vectors; and transmit a CSI feedback, wherein a first part of the CSI feedback includes at least an indication of a number of the set of non-zero linear combination complex coefficients with regard to all layers of a communication link between the UE and the base station. Numerous other aspects are provided.

Abstract: Aspects described herein relate to receiving a configuration for cross-link interference (CLI) measurement reporting, wherein the configuration includes, for each component carrier of one or more component carriers, one or more parameters for measuring signals on the component carrier, and a resource setting indicating resources of the component carrier over which to measure signals. One or more measurements of signals received on the resources indicated by the resource setting for the component carrier can be measured based at least in part on the one or more parameters, and reported to a base station.

Abstract: Aspects of the present disclosure relate to wireless communication. In some aspects, a user equipment may determine at least one of: a first number of coefficients to be included in a first set of coefficients in a transfer domain that characterize compressed channel state information (CSI) for a first layer, or a first quantization scheme to be used to interpret the first set of coefficients. The UE may determine at least one of: a second number of coefficients to be included in a second set of coefficients in the transfer domain that characterize the compressed CSI for a second layer, or a second quantization scheme to be used to interpret the second set of coefficients. The UE may transmit a report that identifies the first set of coefficients and the second set of coefficients based at least in part on the determination(s). Other aspects are provided.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may determine that a user equipment (UE) is to use a differential reporting mode based at least in part on a channel state information (CSI) report from the UE. The base station may transmit to the UE, signaling to cause the UE to use the differential reporting mode based at least in part on determining that the UE is to use the differential reporting mode. Numerous other aspects are provided.

Abstract: Apparatuses, methods, and systems are disclosed for reporting reference signal received power for multiple cells. One method includes receiving a channel state information report configuration message indicating resources for channel measurement. The resources include downlink reference signal resources from a serving cell and at least one non-serving cell, and the resources are configured for first layer reference signal received power measurement. The method includes receiving transmission power information for synchronization signal blocks from the serving cell and the at least one non-serving cell. The method includes conducting first layer reference signal received power measurements for the resources. The method includes adjusting the first layer reference signal received power measurements for reference signals transmitted from the at least one non-serving cell based on the transmission power information. The method includes reporting multiple first layer reference signal received power measurements.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, an aerial user equipment (UE) may measure a first offset associated with a downlink frame based at least in part on a time when a downlink signal is received from a terrestrial base station. The aerial UE may determine a second offset corresponding to a starting time for the downlink frame at the terrestrial base station. The aerial UE may transmit an uplink message in an uplink frame using a timing advance that is based at least in part on a value of the first offset and a value of the second offset relative to a starting time associated with a global navigation satellite system frame duration. Numerous other aspects are described.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for training a machine learning model on training data. In one aspect, one of the methods include: obtaining a training data set comprising a plurality of training inputs; obtaining data defining an original search space of a plurality of candidate data augmentation policies; generating, from the original search space, a compact search space that has one or more global hyperparameters; and training the machine learning model on the training data using one or more final data augmentation policies generated from the compact search space.

Abstract: Provided are an imaging method and apparatus, and a medium. The method includes: for a target field of view, performing photographing and quantification at a first resolution, to obtain a first image that has a first bit width; for the target field of view, performing photographing and differential processing at a second resolution, to obtain a second image that has a second bit width, wherein the differential processing includes: for a pixel point obtained by photographing at the second resolution, quantifying the difference between the pixel point and a neighboring pixel point of the pixel point, to obtain a quantified difference a value of a corresponding pixel point in the second image; and fusing the first image with the second image, to obtain a third image, wherein the first resolution is lower than the second resolution, and the first bit width is higher than the second bit width.

Abstract: Provided is a method for displaying an image, including acquiring a first target image with a third resolution and a second target image with a fourth resolution; determining a reference grayscale value of each of the backlight sections based on grayscale values of respective pixels in the first image region corresponding to the backlight section; determining grayscale values of respective pixels in a first display image based on grayscale values of respective pixels in the first target image; determining grayscale values of respective pixels in a second display image; driving each of the backlight sources to emit light based on the reference grayscale value of the backlight section where the backlight source is disposed; driving the first display panel to perform display based on the first display image; and driving the second display panel to perform display based on the second display image.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a sounding reference signal (SRS) configuration that indicates a maximum number of SRS ports and whether the UE is permitted to determine an actual number of SRS ports to be used for SRS transmission that is different from the maximum number of SRS ports. The UE may determine the actual number of SRS ports to be used for SRS transmission based at least in part on the SRS configuration. The UE may transmit one or more SRSs using the actual number of SRS ports. Numerous other aspects are provided.

Abstract: The present disclosure is related to a method and apparatus for redundant transmission to support high data transmission reliability. A method for redundant transmission to support high data transmission reliability includes deciding to add a redundant entity for a first User Plane Function (UPF) entity, selecting a second UPF entity as the redundant entity of the first UPF entity, indicating an Uplink Replication (UL RP) function on a third network entity, and indicating Downlink Replication (DL RP) function on a fourth network entity or Data Network (DN). The present disclosure supports high data transmission reliability by redundant transmission wireless communication system.

Abstract: The present invention relates to a method for producing an at least partially coated object and to an at least partially coated object obtained by the method. The method comprises bringing the object completely or partly into contact with a treating agent; leaving the object at 10° C.-30° C. and 100 mbar-800 mbar for 3-10 minutes; and heat-treating the object at a temperature of 70° C.-90° C.

Abstract: Apparatuses, methods, and systems are disclosed for angle of departure based channel state information. One method includes estimating, at a receiving device, a channel from a transmitting device using reference signals. The method includes determining a set of up to N beam angle of departures from signals transmitted from the transmitting device having a signal strength greater than a predetermined threshold. The method includes determining a channel quality associated with each angle of departure of the set of up to N beam angle of departures. The method includes sending channel state information comprising information indicating the set of up to N beam angle of departures and the channel quality associated with each angle of departure of the set of up to N beam angle of departures.

Abstract: Methods, systems, and devices for wireless communications are described that provide for channel state information (CSI) feedback for multiple discrete Fourier transform (DFT) beams on multiple transmission layers. A user equipment (UE) may report a total number of non-zero power DFT beams across all of the transmission layers. The UE may be configured with a total number of leading beams (Ktotal) across all of the transmission layers for which to provide high quantization feedback. When the total number of non-zero DFT beams across all the transmission layers exceeds the configured total number of leading beams across all the transmission layers, the UE may report high-resolution quantization feedback for Ktotal non-zero power precoding coefficients having the highest amplitude coefficients, and may report low-resolution quantization feedback for the remaining non-zero power precoding coefficients. A base station may receive the CSI feedback to determine a precoding matrix.

Abstract: Embodiments of the present disclosure provide a method, an electronic device, and a computer program product for information processing. In an information processing method, a first network state representation and a first content request event of an emulated network are provided from an emulator to an agent for reinforcement learning, wherein the first content request event indicates that a request node in the emulated network requests target content stored in a source node. The emulator receives first action information from the agent, wherein the first action information indicates a first caching action determined by the agent, the first caching action including caching the target content in at least one caching node between the request node and the source node. The emulator collects, based on the execution of the first caching action in the emulated network, first training data for training the agent.

Abstract: Apparatuses, methods, and systems are disclosed for controlling a reconfigurable intelligent surface device. One method (500) includes determining (502) a control signal for a reconfigurable intelligent surface device to control a parameter of at least one element of a plurality of elements of the reconfigurable intelligent surface device. The parameter includes information indicating a phase angle. The method (500) includes transmitting (504) the control signal to the reconfigurable intelligent surface device to control the parameter of the at least one element of the reconfigurable intelligent surface device.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for multiple transmit-receive point (M-TRP) based physical uplink shared channel (PUSCH) transmission. According to an embodiment of the present disclosure, a method can include: receiving configuration information of a first sounding reference signal (SRS) resource set and a second SRS resource set for a codebook or non-codebook based PUSCH transmission; receiving a configured (CG) configuration for the PUSCH transmission, wherein the CG configuration includes one or two sets of power control parameters, and each set of power control parameter is associated with one SRS resource set of the first SRS resource set or the second SRS resource set; receiving downlink control information (DCI) scheduling a PUSCH retransmission corresponding to the PUSCH transmission according to the CG configuration; and determining at least one set of power control parameters for the PUSCH retransmission.

Abstract: Methods and apparatus of enhanced candidate allocation schemes for enhanced PDCCH are disclosed. The method includes: receiving, by a receiver, configurations of a plurality of search space sets that are linked for a Physical Downlink Control Channel (PDCCH) transmission with a plurality of repetitions; wherein the plurality of repetitions of the PDCCH are transmitted on a plurality of candidates; determining, by a processor, according to a priority rule with a predefined granularity, by counting the candidates from the linked search space sets, whether there is sufficient candidate resource available for allocation; and allocating, by the processor, the candidates, upon determining that there is sufficient candidate resource available for allocation.

Abstract: Embodiments of the present disclosure relate to a method for wireless communication, a wireless port connection device, and a computer program product. The method in one embodiment is illustratively performed by a first wireless port device. The method includes: sending a first public key of the first wireless port device to an authentication server; receiving a signed first certificate from the authentication server, the first certificate comprising a server public key of the authentication server; receiving a signed second certificate from a second wireless port connection device; acquiring a second public key of the second wireless port connection device in the second certificate using the server public key; generating a symmetric key using the second public key; encrypting data using the symmetric key; and sending the encrypted data to the second wireless port connection device.