Abstract: A user equipment (UE) in a wireless communication system receives, from a base station (BS), CSI feedback configuration information; and deriving, based on the CSI feedback configuration information, the CSI feedback including a precoding matrix indicator (PMI), transmitting, to the BS via an uplink channel, the CSI feedback including the PMI, wherein, for each layer l=1, 2, . . . , v, the PMI indicates KNZ,l non-zero (NZ) coefficients out of a total of 2LMv coefficients, each of which is represented as cl,i,m=pl,i,m(1)pl,i,m(2)?l,i,m, the KNZ,l NZ coefficients are partitioned into two groups (G0 and G1), and for each group Gr, r?{0,1}, one pl,i,m(1) value is indicated, where v is a rank value, pl,i,m(1) is a first amplitude coefficient, pl,i,m(2) is a second amplitude coefficient, and ?l,i,m is a phase coefficient.

Abstract: According to one aspect, an embodiment radio frequency receiver device comprises an input interface configured to receive a radio frequency signal of a given type and convert same into an electric signal, a detector configured to detect at least one voltage level in the electric signal, a pulse generator configured to generate at least one pulse train representative of the voltage levels detected, and a processing unit configured to determine the type of the radio frequency signal from the at least one pulse train.

Abstract: Methods and apparatuses for high speed beam management. A method of operating a user equipment (UE) includes receiving configuration information for transmission configuration indicator (TCI) states; receiving configuration information for group TCI indices, wherein a group TCI index, m, of the group TCI indices is associated with a group of TCI states; receiving configuration information on which TCI states within the group of TCI states to apply to at least one of downlink channels and uplink channels; and receiving the group TCI index. The method further includes decoding a channel conveying the group TCI index; determining, at least based on the decoded group TCI index, one or more TCI states to apply to the at least one of downlink channels and uplink channels; and at least one of (i) receiving the downlink channels and (ii) transmitting the uplink channels using the determined one or more TCI states.

Abstract: Apparatuses, methods, and systems are disclosed for determining a TPMI for a codebook set. One method includes receiving information indicating a transmission capability of a remote unit. The method includes determining a transmit precoding matrix indication based on a rank and a codebook corresponding to the transmission capability and the rank, wherein the transmit precoding matrix indication corresponding to a rank of one includes a maximum of five bits, and the transmit precoding matrix indication corresponding to a rank of two includes a maximum of four bits. The method includes transmitting the transmit precoding matrix indication to the remote unit.

Abstract: A selective calibration system for signal processing integrated circuits includes a calibration information generator that receives information identifying a group of signal processing integrated circuits associated with a product, the group of signal processing integrated circuits being a subset of a population of signal processing integrated circuits for which performance information is stored, and uses the performance information to produce calibration information for the identified signal processing integrated circuits as a group. The calibration information generator generally uses only performance information associated with the identified signal processing integrated circuits to produce the calibration information so that each signal processing integrated circuit in the group is calibrated relative to just that group of signal processing integrated circuits. Direct product access to the calibration information generator can be provided.

Abstract: An information processing apparatus that includes processing circuitry that: acquires information regarding a processing content to be performed by a terminal; acquires information regarding a designated time at which the terminal is designated to perform the processing content; acquires a selection of a base time zone from a plurality of time zones including at least a first time zone to which the information processing apparatus belongs and a second time zone to which the terminal belongs, the designated time being corrected according to the selected base time zone to set an execution time at which the terminal performs the processing content; and transmits an instruction to the terminal to perform the processing content at the execution time.

Abstract: A receiver for data recovery from a channel signal of a communications channel. The receiver includes a quantization circuit to generate a quantized code corresponding to the channel signal. A first decision circuit recovers, in a first signal processing mode, digital data for the channel signal based on the quantized representation of the channel signal. A second decision circuit recovers, in a second signal processing mode, the digital data for the channel signal based on the quantized representation of the channel signal. A controller selects between the first signal processing mode and the second signal processing mode based on a parameter indicative of a signal quality of the channel signal.

Abstract: In certain embodiments, a method performed by a wireless device comprises estimating a channel state of a downlink channel and transmitting a CSI report for the downlink channel based on the channel state. The CSI report indicates a plurality of precoder vectors, each corresponding to a frequency sub-band of the bandwidth of the downlink channel, a precoder vector being expressed as a linear combination of spatial-domain components and frequency-domain component wherein each of the spatial-domain components is associated with a respective set of one or more frequency-domain components.

Abstract: An artifact-suppressing neural network (NN) kernel comprising at least one neural network, implemented in replacement of a DSP, provides comparable or better performance under non-edge conditions, and superior performance under edge conditions, due to the ease of updating the NN kernel training without enlarging its computational footprint or latency to address a new edge condition. In embodiments, the NN kernel can be implemented in a field programmable gate array (FPGA) or application specific integrated circuit (ASIC), which can be configured as a direct DSP replacement. In various embodiments, the NN kernel training can be updated in near real time when a new edge condition is encountered in the field. The NN kernel can include DCC lower layers and dense upper layers. Initial NN kernel training can require fewer examples. Example embodiments include a noise suppression NN kernel and a modem NN kernel.

Abstract: A method for synchronizing baseband clocks in an OFDMA wireless microphone system is disclosed. An example method includes receiving a plurality of pilot subcarriers from an audio transmitter. The method also includes determining a timing offset estimate based on the pilot subcarriers. The method further includes determining a tuning value by passing the timing offset estimate through a proportional-integral controller. The method still further includes determining a modified reference signal by modifying a reference oscillator based on the tuning value. And the method yet further includes controlling (i) an audio sample clock and (ii) an antenna data clock based on the modified reference signal.

Abstract: A wireless communication device includes a transmission section configured to output a calibration signal transmitted from a calibration antenna, a reception section configured to have input of a received signal from an antenna and obtain a baseband signal from the received signal, a correction phase calculation circuit configured to calculate a correction phase for correcting the baseband signal according to a deviation between a reception phase calculated based on the baseband signal obtained when the antenna receives the calibration signal and an ideal phase associated with the antenna, and a storage section configured to store the ideal phase and the correction phase.

Abstract: Systems, apparatuses, and methods are described for wireless communications. A base station may indicate one or more resources for beam failure recovery. The one or more resources may comprise one or more resources for downlink transmission and one or more resources for uplink transmission. A beam failure may be determined based on the one or more resources for downlink transmission. A wireless device may send, based on the one or more resources for uplink transmission, uplink information for beam failure recovery.

Abstract: The disclosure provides a signal synchronizing device and a digital signal output device. A digital circuit counts a first frequency signal to generate a count value, and generates an output voltage according to the count value. An analog circuit generates a feedback signal according to the output voltage. A synchronization circuit samples the feedback signal according to a second frequency signal to generate a synchronization signal. A control circuit generates a voltage control signal according to the second frequency signal and the synchronization signal to control the digital circuit to stop counting the first frequency signal, and a frequency of the first frequency signal is lower than a frequency of the second frequency signal.

Abstract: A method by a first network node for handling directions of transmission of beamformed beams by a first radio network node. Both nodes operate in a wireless communications network. The first network node determines, out of a set of directions in which the first radio network node is capable of transmitting the beams, a subset of directions of transmission of the beams having a probability of detection above a threshold, by a first wireless device. The determining is based on data obtained from previous attempts of positioning one or more second wireless devices using at least some of the directions. The first network node also initiates providing, to at least one of the first radio network node and a second network node operating in the wireless communications network, an indication of the determined subset.

Abstract: Certain aspects of the present disclosure provide techniques for over-the-air digital pre-distortion (DPD) kernel function selection. A method that may be performed by a user equipment (UE) includes transmitting capability information to a base station (BS), indicating a capability of the UE for performing digital pre-distortion (DPD) training, receiving, based on the capability information, a request from the BS to perform the DPD training, performing, based on the received request, the DPD training, wherein performing the DPD training includes: receiving one or more reference signals (RSs) and selecting, based on the one or more RSs, an ordered set of kernel functions. Additionally, the method may include transmitting feedback information to the BS indicating the ordered set of kernel functions.

Abstract: Methods and systems of obtaining a beamforming matrix, the method comprising inputting PMI feedback from a user equipment (UE), inputting partial channel estimation derived from sounding reference signal (SRS) switching, and composing a precoding matrix using the PMI feedback and partial channel estimation.

Abstract: A communication apparatus includes a control unit that changes, for each of beam groups, setting of scanning for resetting communication with an apparatus. The communication is performed by using a directional beam. The scanning is performed by using the directional beam. The beam groups each include a plurality of the directional beams. The control unit performs allocation of resources to the plurality of beam groups at one time.

Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to channel state operations using full-duplex communication. One example method generally includes receiving at least one channel state information-reference signal (CSI-RS) from a base station, transmitting at least one sounding reference signal (SRS) to the base station, wherein the CSI-RS is received simultaneously with the transmission of the at least one SRS, and transmitting, to the base station, at least one channel state feedback message comprising channel state information based on the at least one CSI-RS.

Abstract: Precoding matrix computations for a large number of antenna arrays can be used to generate efficiencies within a wireless network. Utilizing network topology and context data in conjunction with known available network resources and mobile device measurements can facilitate gains in power and spectral efficiency and reduction in computation complexity posed by current procedures. To take advantage of multiple paths, the precoding matrix can be known at the radio units for each mobile device.

Abstract: Systems and methods are disclosed herein that related to determining and using a codebook in a virtualized Active Antenna System (AAS). In some embodiments, a first radio node that is configured to communicate with a second radio node comprises a radio interface and processing circuitry configured to transform a first codebook that is in a non-virtualized antenna domain to a second codebook that is in a virtualized antenna domain based on a port to antenna mapping matrix used to transform a signal from the virtualized antenna domain to the non-virtualized antenna domain prior to transmission of the signal in a corresponding virtualized cell or sector. The processing circuitry is further configured to receive a transmit signal from the second radio node to thereby provide a received signal and perform Precoding Matrix Indication (PMI) estimation based on the received signal using the second codebook in the virtualized antenna domain.