Abstract: Adaptive cross-layer power, thermal, and performance management within augmented and/or virtual reality (AR/VR) display devices is described. AR/VR experiences use extensive system resources to provide high quality user experience (UX). Application performance modes (e.g., Application Resource Bundles “ARBs”) may be registered and for each mode, applications may request specific performance from the underlying hardware/firmware/software subsystems. As system state changes, a central service may periodically reconfigure power states of individual subsystems resulting in power, thermal, and performance tradeoffs. As the power states are reconfigured, the central service may change the application performance modes to allow applications to adapt their UX to the new system state allowing applications to build custom behaviors and provide enhanced UX over a variety of states.

Abstract: A head-mounted display device employs controllable aperture projection for uniformity of a waveguide display within a field of view and eyebox domain. A waveguide-based display to control pupil replication density may comprise an image panel to provide light, a projection lens to receive and focus the light from the image panel, a variable aperture to pass the focused light in a controllable manner, and a waveguide to project the focused light passed through by the variable aperture onto an eye box, wherein the variable aperture is positioned at an entrance of the waveguide.

Abstract: A varifocal liquid lens includes a body filled with two different fluids separated by an interface of a variable curvature across a clear aperture of the varifocal liquid lens. At least one of the first or second fluids is birefringent, such that a refractive index difference between the first and second fluids and resulting optical power of the varifocal liquid lens is dependent on polarization of impinging light. At a first light polarization, the first and second fluids may be matched in refractive index, while at a second, orthogonal light polarization, the first and second fluids may be mismatched in refractive index, whereby the first interface between the first and second fluids may have a variable, non-zero optical power for the second polarization while having a substantially non-variable, zero optical power for the first polarization of light.

Abstract: The present disclosure relates to a system and a method for regulating an output voltage to a requested target voltage. The system includes a System-on-a-Chip (SoC) device and a Power Management Integrated Circuit (PMIC) having a voltage regulator. The SoC device configured to receive a requested target voltage, generates an analog voltage signal that steps up or down over time until the analog voltage signal corresponds to the requested target voltage, and outputs the analog voltage signal. The voltage regulator is configured to reference the analog voltage signal from the SoC device and supply a corresponding regulated output voltage to the SoC device.

Abstract: An imaging camera device comprising (1) an image sensor, (2) a spherical-power adapter coupled to the image sensor, wherein the spherical-power adapter moves the image sensor relative to an imaging lens, (3) a field-curvature adapter coupled to at least one optical component placed between the image sensor and the imaging lens, wherein the field-curvature adapter adjusts the size of a variable air gap formed between the optical component and at least one additional optical component, and (4) a cylindrical-power adapter that includes a plurality of cylindrical correction lenses applied to a wheel configured to rotate in at least one direction. Various other apparatuses, systems, and methods are also disclosed.

Abstract: Aspects of the present disclosure are directed to controlling optical parameters at a user's eye using an artificial reality system and tracked user conditions. For example, based on tracked user eye positioning, implementations can adjust the light that enters the user's eye to control an image shell generated at the user's eye. An image shell refers to the way light, that enters the eye, focuses on the retina of the eye. Example properties of an image shell include image shell centration, image shell curvature, image shell shape, etc. A user may focus on an object in an artificial reality environment (e.g., real-world object or virtual object) and light from the object can generate an image shell at the user's eyes. The image shell at the user's eyes can impact the user's vision and/or eye biology.

Abstract: A communication system actively monitors a conversation between users in an environment. Once a threshold condition occurs (e.g., client device within a threshold distance of a room where the conversation is occurring, the user enters a chatroom via the client device), the client device receives a summary from the communication system. The communication system may customize the summary in accordance with user preferences. User preferences may include level of detail in summary or time range associated with summary. The client device then presents the summary to the user. The summary may be audio or text. In some embodiments, the summary may be historical audio that is overlaid over current audio at faster speed and higher volume, and stops once the historical audio reaches real time.

Abstract: Systems, methods, and devices for power saving according to radio access network (RAN) awareness may include an application server establishing, with a wireless communication node, a reference time between one or more first clocks of the application server and one or more second clocks of the wireless communication node. The application server may transmit one or more packets to the wireless communication node for providing to a user equipment (UE), the one or more packets including information usable by the wireless communication node for applying a delivery policy for delivering the one or more packets to the UE, according to the reference time.

Abstract: Systems, methods, and devices for wireless sidelink operations may include a first device including a transceiver and one or more processors configured to establish, via the transceiver, a sidelink connection with a second UE. The first UE may determine to operate in a carrier aggregation mode, for communication via the sidelink connection. The first UE may operate the sidelink connection according to a set of predefined parameters per component carrier (CC), responsive to determining to operate in the carrier aggregation mode.

Abstract: According to examples, a head-mounted display (HMD) headset may include at least two exterior-facing color cameras mounted on the front face of the HMD and in the same visual plane as the user's eyes. The at least two exterior-facing color cameras may collect images for stereo view synthesis. The HMD may include a processor, and a memory storing instructions, which when executed by the processor, cause the processor to perform stereo view synthesis with a machine-learning (ML) based technique including at least one of depth estimation, imaging sharpening, forward splatting, disocclusion filtering, or fusion.

Abstract: The disclosed device may include a lens stack. The lens stack may include a first gradient-index liquid crystal lens and a second gradient-index liquid crystal lens in tandem with the first gradient-index liquid crystal lens. The lens stack may be configured to reach a target optical power based on a first optical power of the first gradient-index liquid crystal lens and a second optical power of the second gradient-index liquid crystal lens. Various other devices, systems, and methods are also disclosed.

Abstract: Imaging systems, cameras, and image sensors of this disclosure include imaging pixels that include subpixels. Diffractive optical elements such as a metasurface lens layers or a liquid crystal polarization hologram (LCPH) are configured to focus image light to the subpixels of the imaging pixels.

Abstract: A method includes separately exposing selected portions of a first rigid substrate and a second rigid substrate to laser radiation, selectively etching the exposed portions of the first rigid substrate and the second rigid substrate using a chemical etchant and bonding the first rigid substrate to the second rigid substrate along a common interface to form a fluidic valve. The fluidic valve may be coupled to a fluidic haptics device, for example, which may be integrated into an artificial reality system.

Abstract: In one embodiment, a computing system may monitor one or more regions of a first 3D model of an environment to determine a frequency the respective region changes. The computing system may determine a first region of the one or more regions is static based on the frequency the respective region changes. The computing system may delay a first time period to a second time period to update the first 3D model based on comparisons between a second 3D model and first depth measurements of the first region. The computing system may detect whether the first region changed after the second time period based on comparisons between the second 3D model and the first depth measurements of the first region. The computing system may in response to detecting a change in the first region, update the first 3D model of the first region.

Abstract: A micro-light emitting diode (micro-LED) display backplane includes a plurality of macro-pixels. Each macro-pixel includes: a contiguous two-dimensional (2-D) array of bitcells storing display data bits for driving a set of micro-LEDs of a 2-D array of micro-LEDs; and drive circuits configured to generate, based on the display data bits stored in the contiguous 2-D array of bitcells, pulse-width modulated (PWM) drive signals for driving the set of micro-LEDs of the 2-D array of micro-LEDs. In one example, the plurality of macro-pixels is grouped into a plurality of sub-arrays, where each sub-array of the plurality of sub-arrays includes a set of macro-pixels and a local periphery circuit next to the set of macro-pixels. The local periphery circuit includes, for example, a buffer, a repeater, a clock gating circuit for gating an input clock signal to the sub-array, and/or a sub-array decoder for selecting the sub-array.

Abstract: Systems and methods for protocol data unit (PDU) discard may include user equipment (UE) which receives, at a buffer of the UE, a protocol data unit (PDU) for transmission to a base station. The UE may initiate a discard timer responsive to the PDU being received in the buffer. The UE may transmit, to the base station, a delay status report corresponding to the PDU, responsive to a remaining time for the discard timer satisfying a threshold criterion.

Abstract: Systems and methods for protocol data unit (PDU) set discard may include a transmitter device which determines, for each of a plurality of PDU sets, a discard level, from an ordered set of a plurality of discard levels, assigned to the PDU set, the discard level assigned to the PDU set based on one or more characteristics of traffic corresponding to the PDU set. The transmitter device may determine a congestion status of a network which is to be used to transmit the PDU sets to a receiver device. The transmitter device may discard a first subset of the plurality of PDU sets, according to a first discard level assigned to the first subset. The transmitter device may transmit, via the network to the receiver device, a second subset of the plurality of PDU sets having a second discard level.

Abstract: Systems and methods for traffic flow shaping may include user equipment (UE) which determines, for a plurality of traffic flows, a respective set of statistical parameters for communication with a base station. The traffic flows may correspond to an application supported by the UE. The UE may transmit, to the base station, one or more messages indicating the statistical parameters for the plurality of traffic flows in a UE assistance information (UAI) signaling.

Abstract: The present disclosure relates to using a large language model (LLM), provided with user context information and user high-level goal information to generate contextualized action recommendations that can help the user achieve the high-level goal(s). In one exemplary embodiment, a user system, and an AI action recommendation system that is associated with an LLM, are communicatively coupled and cooperatively implement a contextualized action recommendation virtual assistant. Input data comprising personal information data of the user that includes at least one high-level goal of the user, and user context data obtained from the user system can be collected and used to generate a prompt that is input to the LLM. The LLM can then generate a contextualized action recommendation for the user based on the prompt, and the contextualized action recommendation can be presented to the user via a virtual assistant user interface on a display of the user system.

Abstract: Embodiments relate to systems and methods for compensating nonlinear distortions. The system receives a signal corresponding to an input sound pressure which is detected by a capacitive MEMS microphone. The capacitive MEMS microphone includes an active capacitance and a parasitic capacitance. The system determines a nonlinear relationship between the signal and the input sound pressure; and determines, based on the signal, an input parameter associated with the active capacitance and the parasitic capacitance. The system further determines an output signal based on the input parameter and the output signal and the input sound pressure have a linear relationship. The system compensates the signal based on the determined output signal and outputs the compensated signal as an output so that the output has the linear relationship with the input sound pressure.