Abstract: Certain aspects of the present disclosure provide techniques for operating a wireless communication device pursuant to radio frequency (RF) exposure with antenna grouping. An example method of wireless communication by a user equipment generally includes accessing a stored backoff factor associated with an antenna group among a plurality of antenna groups. The method also includes transmitting, from at least one transmit antenna in the antenna group, a signal at a transmission power level based on the backoff factor in compliance with an RF exposure requirement.

Abstract: Systems and methods are provided for controlling device retry behavior. The method is performed by receiving an error code generated in response to a resource request from the wireless device, associating the error code with a timeframe for resending the resource request from the wireless device, and sending the error code and the timeframe to the wireless device in response to the resource request.

Abstract: Channel state information (CSI) reporting may be used for wireless communications. CSI reporting may be activated or deactivated. During the activation of CSI reporting and based on one or more criteria, a scheduled uplink transmission may be selected.

Abstract: Apparatuses, methods, and systems are disclosed for uplink power control. One method includes receiving uplink power control parameters. The method includes determining a first transmit power for the first uplink transmission based on a corresponding first set of uplink power control parameters. The method includes determining a second transmit power for the second uplink transmission based on a corresponding second set of uplink power control parameters. The method includes performing the first uplink transmission using a first uplink transmission beam pattern or a first spatial domain transmission filter based on the first transmit power. The method includes performing the second uplink transmission using a second uplink transmission beam pattern or a second spatial domain transmission filter based on the second transmit power.

Abstract: A system is disclosed for Doppler nulling configured for security. The system may include a receiver or transmitter node. The receiver or transmitter node may include a communications interface with an antenna element and a controller. The controller may include one or more processors and have information of own node velocity and own node orientation relative to a common reference frame. The receiver or transmitter node may be time synchronized to apply Doppler corrections to signals, the Doppler corrections associated with the receiver or transmitter node's own motions relative to the common reference frame, the Doppler corrections applied using Doppler null steering along Null directions based on a protocol. The protocol may include a protocol modulation, such as a modulation of the signals for security purposes.

Abstract: A wireless transmission method includes obtaining an MCS (modulation and coding scheme) rate and a power amplifier gain of each station in a set of stations for a multi-user (MU) transmission, generating a maximum available MCS rate according to a plurality of MCS rates of the set of stations, selecting a power amplifier gain of the MU transmission according to the maximum available MCS rate, adjusting a digital gain of each station according to the power amplifier gain of the MU transmission and the power amplifier gain of each station, adjusting a frequency domain signal of each station according to the digital gain thereof, converting a plurality of adjusted frequency domain signals of the set of stations into a time domain signal, and generating an amplified signal for the MU transmission according to the power amplifier gain of the MU transmission and the time-domain signal.

Abstract: A method for wireless communication includes: receiving, at a base station: (1) a capability report for each of a plurality of antenna panels of a first user device; and (2) an initial antenna panel index for the first user device; transmitting, to the first user device, configuration information corresponding to each antenna panel of the plurality; selecting first configuration information corresponding to the antenna panel with the initial antenna panel index; and receiving a first uplink transmission from the first user device, wherein the first user device uses a selected first antenna panel corresponding to the initial antenna panel index and the first configuration information corresponding to the selected first antenna panel. In other aspects, rather than initially transmitting configuration information corresponding to each antenna panel, the base station may transmit the configuration information for each panel as it is selected by the first user device for an uplink transmission.

Abstract: For a communication network using a satellite-involved backhaul, the backhaul outage and restoration states are predicted based on satellite motion data. Based on such predictions, devices providing the radio access portion of the communication network, and devices using the communication network schedule or take actions. Actions can include but are not necessarily limited to: powering equipment up or down, notifying devices or users of upcoming outage or restoration events, inhibiting actions that cannot be completed before an outage, inhibiting new network attachments, adjusting sleep/wake schedules, and providing a local version of a core network or other network.

Abstract: According to one aspect of the disclosure, a network node is provided. The network node is configured to configure each wireless device in a first group of wireless devices comprising at least one wireless device with a first radio network temporary identifier, RNTI, defined to address a group of wireless devices for physical downlink control channel, PDCCH, based wake-up signal, WUS, operation, and cause transmission of signaling including a wake-up signal, WUS, for a first WUS monitoring occasion associated with the first group of wireless devices, where the WUS is configured to cause each wireless device in the first group of wireless devices to perform at least one action.

Abstract: A communications system is disclosed. The communications system includes a first access point and a second access point whose operating channels overlap. The first access point and the second access point each measure a signal strength of a response frame sent by a terminal device associated with the first access point, to obtain a first signal strength and a second signal strength. The first access point determines, based on the first signal strength and the second signal strength, a power, a power upper limit, or a power adjustment value to be used by the second access point when the second access point and the first access point perform concurrent transmission. The communications system can perform a step of measuring the signal strength in the concurrent transmission between the access points, and reduce dependence on the terminal device.

Abstract: A method for wireless power delivery, preferably including: determining transmitter-receiver proximity, assessing transmission parameters, and/or transmitting power based on a transmission plan. A system for wireless power delivery, preferably including a plurality of receivers and one or more transmitters.

Abstract: In a high-frequency module, a plurality of filters are connected to a first switch. A plurality of amplifiers are connected to a second switch. A first inductor is disposed on a common path between a second common terminal of the second switch and a first common terminal of the first switch. A plurality of second inductors are disposed, on a one-to-one correspondence, in sections different from the common path, the sections being included in the plurality of respective signal paths. The first inductor is a surface mount inductor located on a first main surface of a mounting substrate. The plurality of second inductors are each an inductor disposed within an IC chip including the plurality of amplifiers or an inductor including a conductive pattern formed in or on the mounting substrate.

Abstract: Some embodiments of the disclosure provide a diabetic retinopathy recognition system (S) based on fundus image. According to an embodiment, the system includes an image acquisition apparatus (1) configured to collect fundus images. The fundus images include target fundus images and reference fundus images taken from a person. The system further includes an automatic recognition apparatus (2) configured to process the fundus images from the image acquisition apparatus by using a deep learning method. The automatic recognition apparatus automatically determines whether a fundus image has a lesion and outputs the diagnostic result. According to another embodiment, the diabetic retinopathy recognition system (S) utilizes a deep learning method to automatically determine the fundus images and output the diagnostic result.

Abstract: A system includes a transmitter node and a receiver node. Each node of the transmitter node and the receiver node are time synchronized to apply Doppler corrections associated with said node's own motions relative to a stationary common inertial reference frame. The stationary common inertial reference frame is known to the transmitter node and the receiver node prior to the transmitter node transmitting a plurality of signals to the receiver node and prior to the receiver node receiving the plurality of signals from the transmitter node. The receiver node performs adaptive digitization of the signals to account for a speed of the platform.

Abstract: An ultrasound image recognition system and a data output module are provided. The ultrasound image recognition system includes an image analyzing device, a data processing device, and a data output module. The image analyzing device is configured to receive an image having a predetermined format. The image analyzing device generates a plurality of physiological image parameters. The data processing device is connected to the data processing device. The image analyzing device provides the plurality of physiological image parameters and the image having a predetermined format to the data processing device. The data processing device provides a comparison result of physiological parameter based on the plurality of physiological image parameters and a plurality of predetermined physiological image parameters. The data processing device converts the image having a predetermined format into an image having a first format.

Abstract: Systems and methods are provided to mitigate potential collisions between a person and robotic system. In various embodiments, a robotic surgical system includes a robotic linkage including joints, an endoscope coupled to a distal portion of the robotic linkage and configured to capture stereoscopic images, and a controller in communication with the endoscope. The controller executes instructions to analyze the stereoscopic images from the endoscope to identify a human-held tool in the stereoscopic images and to estimate a type and/or pose of the human-held tool, infer a position of a person holding the human-held tool based on the type and/or pose of the human-held tool, determine a spatial relationship between the person and the robotic linkage based on the inferred position of the person, and generate a warning of potential collision between the person and the robotic linkage based on the determined spatial relationship.

Abstract: Systems and methods of fluid or air passageway cross-sectional area determination in an anatomy are disclosed. In some examples, the methods may include generating a model of a structure based on a plurality of images of the structure, the structure comprising at least one fluid or air flow path. In some examples, the methods may also include identifying an obstruction element in the model of the structure, the obstruction element affecting the at least one fluid or air flow path in the model. In some examples, the methods may also include determining a region of the at least one fluid or air flow path for flow analysis.

Abstract: A repeater system includes a first repeater device that receives a first beam of radio frequency (RF) signal from a first network node and a second repeater device that receives a second beam of RF signal from the first network node. The first repeater device controls the second repeater device to provide the first beam of RF signal and the second beam of RF signal to a second network node and select a plurality of signal parameters at the first repeater device and the second repeater device for the first beam of RF signal and the second beam of RF signal respectively, based on a plurality of measurements. The first repeater device further controls the second repeater device to establish an additional link with the second repeater device to create an additional dimension in a MIMO channel between the first network node and the second network node.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network node may transmit, to a user equipment (UE), information that indicates a plurality of power control offsets associated with a reference signal resource. The network node may receive, from the UE, a measurement that is based at least in part on the reference signal resource and a power control offset of the plurality of power control offsets. Numerous other aspects are described.

Abstract: Technology described herein can gather and statistically analyze time domain power data for enabling real-time adjustment of one or more parameters of a radio system. In an embodiment, a system can comprise a processor and a read circuit communicatively coupled to the processor, wherein the processor controls the read circuit to read power data in a time domain from a radio system, and an analysis component communicatively coupled to the processor, wherein the analysis component compares the power data in the time domain to a power threshold, and wherein, based on a result of the power data being compared to the power threshold, the analysis component sorts the power data into bins at a storage component communicatively coupled to the processor.