Various aspects of the present disclosure generally relate to wireless communication. A source user equipment (UE) may transmit, to a relay UE, information identifying that the relay UE is one of a plurality of relay UEs selected for cooperative relaying of a communication from the source UE to a destination UE. A channel between the source UE and the relay UE may be one of a plurality of channels comprising a channel between the source UE and each relay UE of the plurality of relay UEs. The plurality of relay UEs may be selected based at least in part on a degree of correlation of the channel between the source UE and the relay UE with at least one other channel of the plurality of channels. The UE may transmit the communication to the plurality of relay UEs for cooperative relaying to the destination UE. Numerous other aspects are described.

There is provided a calibration device including: a calibration signal supply unit configured to supply, as a calibration input signal, a multitone signal having tones at a plurality of frequency bands to a converter configured to multiply an input signal by each of a plurality of signal patterns and limit a band to obtain each of a plurality of bandpass signals, and reconstruct an output signal in accordance with the input signal from the plurality of bandpass signals; a calibration bandpass signal acquisition unit configured to acquire a plurality of calibration bandpass signals obtained by the converter in response to the multitone signal; and a calibration processing unit configured to calibrate a parameter for the reconstruction in the converter based on the plurality of calibration bandpass signals.

Selecting a donor access node for a relay node based on a number of component carriers includes identifying one or more potential donor access nodes deploying one or more carriers, measuring a reference signal strength for each of the one or more potential donor access nodes, determining which of the one or more potential donor access nodes deploys a highest number of component carriers, and sending a request to attach to the potential donor access node deploying the highest number of component carriers and having a reference signal strength that meets a reference signal criteria.

A test device can be used with an Open Radio Access Network (O-RAN) fronthaul and to test an uplink communication channel. The test device determines an uplink communication channel for passive intermodulation distortion (PIM) testing. The test device generates and transmits control plane (C-plane) messages to request the future RBs from an O-RAN radio unit (O-RU) installed at a cell site according to a delay time period. The test device receives user plane (U-Plane) messages from the O-RU containing data for the future RBs, and determines whether PIM is detected.

A test device can be used with an Open Radio Access Network (O-RAN) fronthaul and to test an uplink communication channel. The test device determines an uplink communication channel for passive intermodulation distortion (PIM) testing. The test device generates and transmits control plane (C-plane) messages to request the future RBs from an O-RAN radio unit (O-RU) installed at a cell site according to a delay time period. The test device receives user plane (U-Plane) messages from the O-RU containing data for the future RBs, and determines whether PIM is detected.

A system includes an expert graphical user interface configured to: present a list of reliability measures of an industrial machine, facilitate a selection by a user of a reliability measure from the list of reliability measures, present a representation of a smart band data collection template associated with the reliability measure selected by the user, and a data routing and collection system configured to, in response to a user indication of acceptance of the smart band data collection template, collect data from a plurality of sensors in an industrial environment in response to a data value from one of the plurality of sensors being detected outside of an acceptable range of data values.

Technology for a repeater is disclosed. The repeater can include a first port and a second port. The repeater can include a transmitter communicatively coupled to the first port and a receiver communicatively coupled to the second port. The transmitter can transmit a path loss signal. The receiver can receive the path loss signal transmitted by the transmitter. The repeater can include a controller. The controller can identify a first power level of the signal transmitted from the transmitter. The controller can identify a second power level of the signal received at the receiver. The controller can determine an antenna feedback path loss of the repeater based on the first power level and the second power level. The controller can set a maximum gain level for the repeater based on the antenna feedback path loss to avoid an oscillation in the repeater.

Technology for a repeater is disclosed. The repeater can include a first port and a second port. The repeater can include a transmitter communicatively coupled to the first port and a receiver communicatively coupled to the second port. The transmitter can transmit a path loss signal. The receiver can receive the path loss signal transmitted by the transmitter. The repeater can include a controller. The controller can identify a first power level of the signal transmitted from the transmitter. The controller can identify a second power level of the signal received at the receiver. The controller can determine an antenna feedback path loss of the repeater based on the first power level and the second power level. The controller can set a maximum gain level for the repeater based on the antenna feedback path loss to avoid an oscillation in the repeater.

Systems and methods for data collection in an industrial environment are disclosed. A system can include a plurality of analog sensors, wherein each of the plurality of analog sensors is operationally coupled to a respective data collection point of a machine component, and generates a respective stream of detection values. A data acquisition and analysis circuit can receive the respective stream of detection values and analyze the respective stream of detection values using an expert system analysis circuit, wherein the expert system analysis circuit determines an occurrence of an anomalous condition based on an analysis of the respective stream of detection values, wherein the expert system analysis circuit utilizes a neural network including one of a probabilistic, a time delay, and a convolutional neural network.

A configuration for self interference and cross link interference (CLI) management of bidirectional smart repeaters. The apparatus transmits, to a first wireless device, a measurement configuration to measure interference. The measurement configuration comprising a first measurement occasion and a second measurement occasion. The apparatus receives, from the first wireless device, a report of measured interference at the first wireless device based on the measurement configuration. Part of the measured interference under the first measurement occasion is based at least on transmissions forwarded by a relay node.