Abstract: An antenna system includes: a first antenna element configured to transduce between second wireless energy and second transmission-line-conducted energy, wherein the first and second wireless energy are of first and second polarizations of the first antenna element and in first and second directions that are different and define a first plane; and a second antenna element configured to transduce between third wireless energy and third transmission-line-conducted energy and between fourth wireless energy and fourth transmission-line-conducted energy, wherein the third and fourth wireless energy are of first and second polarizations of the second antenna element and in third and fourth directions that are different and define a second plane that is substantially orthogonal to the first plane.

Abstract: Aspects described herein relate to determining a condition related to at least one of a thermal condition at the first device or receiving, at the first device, rate or diversity parameters reported to the first device by a second device, modifying, based on determining the condition, a configuration of a set of antenna elements from at least one antenna panel to use in wireless communication, and communicating with one or more devices using the modified configuration of the set of antenna elements from the at least one antenna panel.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may communicate with other network devices as part of a wireless communications system. The UE may identify a blockage corresponding to one or more antenna arrays of a set of antenna arrays based on using a first set of beam weights, which may correspond to a static beamforming codebook of the one or more antenna arrays. The UE may switch from a static beamforming codebook-based beam weight determination to a dynamic beamforming codebook-based beam weight determination. The UE may then determine a second set of beam weights to use for the one or more antenna arrays based on the dynamic beamforming codebook-based beam weight determination. The UE may then communicate using the one or more antenna arrays according to the second set of beam weights.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a method, performed by a requirements-using network entity having an array of antenna elements, comprises determining a plurality of antenna subarray configurations, each antenna subarray configuration comprising a different subset of the antenna elements in the array of antenna elements. The method further comprises receiving, from a requirements-providing network entity, a set of one or more accuracy requirements, each accuracy requirement comprising a positioning accuracy requirement or a measurement accuracy requirement for azimuth, elevation, or both.

Abstract: Aspects described herein include methods and devices for radar integration with a mmW communication module. In some aspects, an apparatus is provided that includes a millimeter wave (mmW) printed circuit board (PCB), with first and second mmW elements, and a radar antenna. The first mmW element is coupled to a first side of the mmW PCB, where the first mmW element is configured for wireless mmW communications at frequencies above approximately 24 gigahertz (GHz). A second mmW element coupled to the first side of the mmW PCB, where the second mmW element is positioned adjacent to the first mmW element and is separated from the first mmW element by a gap spacing. A radar antenna is disposed in the mmW PCB and aligned with the gap spacing between the first mmW element and the second mmW element.

Abstract: In a particular embodiment, parallel deconfliction processing of unmanned aerial vehicles (UAVs) is disclosed that includes a UAV control system partitioning the airspace over a geographic region into a plurality of airspace regions. In this example embodiment, the UAV control system includes a plurality of deconfliction controllers. For each deconfliction controller in the plurality of deconfliction controllers, the UAV control system assigns to the deconfliction controller, one or more airspace regions of the plurality of airspace regions. The UAV control system also inputs, in parallel, flight path data for a plurality of unmanned aerial vehicles (UAVs) to the plurality of deconfliction controllers. This embodiment also includes processing, in parallel by the plurality of deconfliction controllers, the flight path data to identify a flight conflict between two or more UAVs. Each deconfliction controller outputs a deconfliction result for each airspace region.

Abstract: Disclosed herein are methods, devices, and system for beam forming and beam steering within ultra-wideband, wireless optical communication devices and systems. According to one embodiment, a free space optical (FSO) communication apparatus is disclosed. The FSO communication apparatus includes a semiconductor optical device configured to have a transient response time of less than 500 picoseconds (ps), a lens, and a first band select filter.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication of a capability to use a set of beamforming configurations associated with a beamforming circuit architecture of the UE. The UE may receive an indication of a selected beamforming configuration to use for one or more communications. Numerous other aspects are described.

Abstract: A peritoneal dialysis system for detecting peritonitis is disclosed herein. In one example, an impedance measurement system includes an impedance monitor configured to sense an impedance of peritoneal dialysis (“PD”) fluid residing within a fluid line. The impedance monitor includes a first conductive lead disposed within a first port along the fluid line and a second conductive lead disposed within a second port along the fluid line. The impedance measurement system also includes a control unit electrically coupled to the impedance monitor. The control unit uses the sensed impedance from the impedance monitor to detect white blood cells to form a patient peritonitis determination. The control unit may communicate the peritonitis determination to alert a clinician.

Abstract: A method for estimating a displacement sequence of an object. The method includes mounting an optical marker on the object, exciting a plurality of optical sources of the optical marker, capturing a plurality of images, and extracting the displacement sequence from a first image of the plurality of images and a second image of the plurality of images. The plurality of optical sources are excited utilizing one or more processors. The plurality of optical sources are excited based on an excitation pattern. The plurality of images are captured utilizing an imaging device. The displacement sequence is extracted utilizing the one or more processors. The displacement sequence is associated with the excitation pattern.

Abstract: Methods, systems, and devices for wireless communications are described. A first wireless device may transmit signaling to an assistive node, and the assistive node may retransmit the signaling to a second wireless device. The assistive node may be configured with a mapping between receive beams and transmit beams at the assistive node. The mapping may enable the assistive node to receive signaling using a receive beam with a first beamwidth and retransmit the signaling using a transmit beam with a second, different beamwidth.

Abstract: A multi-chamber mixing beverage container is used to retain and selectively mix different beverage ingredients to make and consume a custom beverage. The multi-chamber mixing beverage container may include a container body, a storage base, an additive dispensing mechanism, and a cap. The container body retains a quantity of liquid that serves as the base to mix a custom beverage. The container body further facilitates the mixing of the beverage ingredients and the ease of consumption of the custom beverage. The storage base retains different beverage ingredients separate from each other to be selectively mixed with the quantity of liquid retained within the container body. The additive dispensing mechanism enables the selective mixing of an amount of one or more beverage ingredients from the storage base with the quantity of liquid within the container body. The cap keeps the container body sealed until the mixed beverage is consumed.

Abstract: Techniques are provided for improving the performance of a multi-band antenna in a wireless device. An example wireless device includes at least one radio frequency integrated circuit, and at least one patch antenna operably coupled to the at least one radio frequency integrated circuit, including a first patch operably coupled to the at least one radio frequency integrated circuit, a ground plane disposed below the first patch, and a plurality of via wall structures disposed around the first patch, wherein each of the plurality of via wall structures is electrically coupled to the ground plane.

Abstract: A Static Electrostatic Generator (SEG) is disclosed which produces static charges at high voltage and low current. The SEG is capable of generating positive or negative charges on a metal sphere by reversing the polarity of a DC source. The conversion efficiency of the system is about 47% and its design is simple, lightweight, and easy to manufacture. The SEG is a static device and no mechanical movement is required to produce charges. Also, the design is easily scalable.

Abstract: Systems, methods and apparatus for wireless charging are disclosed. A wireless charging device has a resonant circuit including one or more power transmitting coils in a charging surface of the charging device, a driver circuit configured to provide a charging current to the resonant circuit, and a controller. The controller is configured to determine an average transmitted power using samples of current and voltage captured from the resonant circuit, and determine that a foreign object is located on or near the charging surface when the average transmitted power exceeds a measurement of received power provided by a receiving device and parasitic losses associated with the wireless charging device. In one example, each sample of current is obtained by measuring a current flowing in the resonant circuit, and each of sample of voltage is obtained by measuring a voltage across the one or more power transmitting coils.

Abstract: An electronic device may have a display with an array of pixels. The device may have an array of components such as an array of light sensors for capturing fingerprints of a user through an array of corresponding transparent windows in the display. A capacitive touch sensor, proximity sensor, force sensor, or other sensor may be used by control circuitry in the device to monitor for the presence of a user's finger over the array of light sensors. In response, the control circuitry can direct the display to illuminate a subset of the pixels, thereby illuminating the user's finger and causing reflected light from the finger to illuminate the array of light sensors for a fingerprint capture operation. The display may have display driver circuitry that facilitates the momentary illumination of the subset of pixels with uniform flash data while image data is displayed in other portions of the display.

Abstract: An antenna is described. The antenna includes a first plurality of first elements. Each of the first elements is dual polarized and configured to support a first set of bands and a second set of bands that is mutually exclusive from the first set of bands. The antenna also includes a second plurality of second elements. Each of the second elements is dual polarized and configured to support the second set of bands. The second plurality of second elements is interleaved with the first plurality of first elements.

Abstract: A Static Electrostatic Generator (SEG) is disclosed which produces static charges at high voltage and low current. The SEG is capable of generating positive or negative charges on a metal sphere by reversing the polarity of a DC source. The conversion efficiency of the system is about 47% and its design is simple, lightweight, and easy to manufacture. The SEG is a static device and no mechanical movement is required to produce charges. Also, the design is easily scalable.

Abstract: The present application discloses an improved wait time optimization system, and corresponding methods and computer-readable media. According to disclosed embodiments, the wait time optimization system generates a customized wait time period for a provider computing device that has arrived at a pickup location associated with a matched transportation request. Upon the expiration of the customized wait time period, the wait time optimization system selectively enables a cancellation option for the provider computing device that enables a user of the provider computing device to cancel the transportation request, thereby releasing the provider computing device for a new transportation request match.

Abstract: A Static Electrostatic Generator (SEG) is disclosed which produces static charges at high voltage and low current. The SEG is capable of generating positive or negative charges on a metal sphere by reversing the polarity of a DC source. The conversion efficiency of the system is about 47% and its design is simple, lightweight, and easy to manufacture. The SEG is a static device and no mechanical movement is required to produce charges. Also, the design is easily scalable.