Abstract: Methods and apparatuses are described herein for multiple AP coordination in wireless local area networks (WLANs). For example, a station (STA) may receive, from a first access points (APs), a probe response frame that includes one or more indicators indicating multiple AP operation capabilities of the first AP and a second AP. The STA may transmit, to at least one of the first AP or the second AP, a multiple AP association request frame that enables the first AP to be associated with the second AP for a multiple AP operation. The STA may receive, from the first AP, a first multiple AP association response frame indicating acceptance or rejection of the multiple AP operation with the first AP. The STA may receive, from the second AP, a second multiple AP association response frame indicating acceptance or rejection of the multiple AP operation with the second AP.

Abstract: Methods, systems, and devices for wireless communications are described. For example, a network entity may output, and a user equipment (UE) may receive, a first control message identifying a first discontinuous reception (DRX) cycle and a second, different DRX cycle for the UE to use, the first and second DRX cycles having a first and second active duration, respectively. The network entity may also output a second control message identifying periodic resources for the UE to use to monitor for a periodic signal, the periodic resources being outside at least the first active duration. The UE may monitor for, and the network entity may output, based on the periodic resources being outside the first active duration, the periodic signal during the first active duration based on updating the first active duration, updating the periodic resources, or both.

Abstract: A display panel, a fabrication method of the display panel, and a display apparatus are provided in the present disclosure. The display panel includes a substrate; a drive substrate on the substrate, where the drive substrate includes a first film layer; and the first film layer includes a first opening; and a light-emitting element on the drive substrate, where the light-emitting element is disposed corresponding to the first opening. The drive substrate further includes an auxiliary film layer; and the auxiliary film layer includes a thickened part, a thinned part, or a hollow part overlapped with the first opening.

Abstract: Disclosed are a method for selectively extracting lithium from a retired battery and an application of the method. According to the method, on the basis of an ion exchange effect between a divalent manganese ion and a lithium ion, a positive electrode material and a divalent manganese salt are mixed according to a certain proportion and prepared into a slurry, and the divalent manganese salt and the positive electrode material are fully mixed by means of a ball milling process, such that a lattice structure of the positive electrode material is effectively damaged, thereby reducing activation energy of exchange of the divalent manganese ion and the lithium ion and greatly reducing reaction energy required by a subsequence lithium extraction process.

Abstract: Systems, methods, devices, media, and computer readable instructions are described for local image tagging in a resource constrained environment. One embodiment involves processing image data using a deep convolutional neural network (DCNN) comprising at least a first subgraph and a second subgraph, the first subgraph comprising at least a first layer and a second layer, processing, the image data using at least the first layer of the first subgraph to generate first intermediate output data; processing, by the mobile device, the first intermediate output data using at least the second layer of the first subgraph to generate first subgraph output data, and in response to a determination that each layer reliant on the first intermediate data have completed processing, deleting the first intermediate data from the mobile device. Additional embodiments involve convolving entire pixel resolutions of the image data against kernels in different layers if the DCNN.

Abstract: Embodiments of this specification disclose secure multi-party computation for privacy protection. In an implementation, a method includes obtaining a fragment of first gradient data and a fragment of noise data, where the first gradient data is gradient data of a loss function. Based on the fragment of first gradient data by performing secure multi-party computation with another participant, obtaining a fragment of second gradient data, where the second gradient data is gradient data obtained after the first gradient data is clipped. Based on the fragment of second gradient data and the fragment of noise data, determining a fragment of third gradient data, where the third gradient data is the second gradient data with the noise data added. A fragment of a model parameter is determined based on the fragment of third gradient data.

Abstract: A heat exchanger includes a fluid inlet, a fluid outlet, a first plate, and a second plate. A third plate is disposed between the first plate and the second plate; a first fluid channel is formed between the first plate and the third plate, and a second fluid channel is formed between the second plate and the third plate. The heat exchanger has a first end and a second end; the fluid inlet is close to the first end of the heat exchanger and communicated with the first fluid channel; the fluid outlet is close to the first end of the heat exchanger and communicated with the second fluid channel; and the first fluid channel and the second fluid channel are communicated at the position close to the second end of the heat exchanger.

Abstract: The invention discloses a compact implantable biosensor assembly and a biological information monitoring device containing the assembly. The lower part of the implanted sensing section and of the needled for implantation are sealed in a closed space formed by the barrier, the lower part of the enclosure and the lower part of the needle aid. The horizontal connection section of the implantable sensing electrode is embedded in the enclosure. The export electrode is used to connect with a transmitter. The implantable biosensor assembly is directly connected with the circuit board of the transmitter through the export electrode, whereby the structure is compact.

Abstract: A method for producing a hollow-core preform may include rolling a glass sheet to form a rolled-glass structure; and attaching one or more of the rolled-glass structures to an inner surface of an annular support structure to form a hollow-core preform, wherein the inner surface of the annular support structure defines an interior cavity and the one or more of the rolled-glass structures are positioned within the interior cavity. The hollow-core preform may be drawn into a hollow-core optical fiber.

Abstract: An analog error correction circuit is disclosed that implements an analog error correction code. The analog circuit includes a crossbar array of memristors or other non-volatile tunable resistive memory devices. The crossbar array includes a first crossbar array portion programmed with values of a target computation matrix and a second crossbar array portion programmed with values of an encoder matrix for correcting computation errors in the matrix multiplication of an input vector with the computation matrix. The first and second crossbar array portions share the same row lines and are connected to a third crossbar array portion that is programmed with values of a decoder matrix, thereby enabling single-cycle error detection. A computation error is detected based on output of the decoder matrix circuitry and a location of the error is determined via an inverse matrix multiplication operation whereby the decoder matrix output is fed back to the decoder matrix.

Abstract: A method for safely oxidising roasting NdFeB powder material. The method may include: S1: magnetizing and drying the NdFeB powder material; S2: heating the magnetized and dried NdFeB powder material to spontaneous combustion, and then preparing the spontaneous combustion product into a powder; and S3: magnetizing and then oxidising roasting the powder to obtain NdFeB oxide.

Abstract: A preparation method of nano-scaled iron phosphate, includes the steps of: adding a surfactant and a polymer microsphere to an iron salt solution to obtain a mixed liquid; adding a phosphate solution to the mixed liquid for reaction to obtain an iron phosphate slurry; performing solid-liquid separation after removing the polymer microsphere from the iron phosphate slurry, drying and calcining the obtained solid to obtain a nano-scaled iron phosphate.

Abstract: A display module and a seamless splicing display device are disclosed. The display module includes: a display panel including a central display area and a bezel area adjacent to the central display area, wherein the display panel is provided with a bezel driving circuit and an array substrate driving circuit; a compensation display component disposed on the display panel, located in the bezel area, and electrically connected with the bezel driving circuit; and a metal wiring located on a lateral surface of the display panel and connected with the bezel driving circuit and the array substrate driving circuit.

Abstract: The embodiments of the present disclosure provide methods and Internet of Things (IoT) system for managing an operation progress of a smart gas pipeline network. The method includes: obtaining a construction type and a progress sequence of a gas operation based on a smart terminal and a sensing unit; predicting a future operation progress at a future moment through a progress prediction model based on the construction type and the progress sequence, the progress prediction model being a machine learning model; generating a first prompt message and a second prompt message based on the future operation progress, the first prompt message including the progress reminder data of the gas operation, and the second prompt message including an approach plan of a gas associated object; and sending the first prompt message to a gas operator and sending the second prompt message to the gas associated object.

Abstract: A multi-source self-adaptive low-stress additive manufacturing method that includes arranging one or more high-energy sound beam excitation units on an additive manufacturing platform according to a size and a structure of a metal workpiece; planning an additive path according to the size and the structure of the workpiece; fixing a substrate on a self-adaptive additive manufacturing workbench; conducting additive manufacturing of the workpiece and starting a high-energy sound beam regulation system synchronously to generate high-energy sound beam(s) that are transmitted to the workpiece according to a control sequence; acquiring position information of molten pool(s) and position information of the one or more high-energy sound beam excitation units in the additive manufacturing process; continuously monitoring a surface temperature of the workpiece; and closing the high-energy sound beam regulation system when the additive manufacturing of the workpiece is finished and the surface temperature of the metal w

Abstract: A method includes obtaining first data including a first identifier of a first product determine in association with a content item based on first metadata of the content item. The method further includes obtaining a first confidence value associated with the first product and the content item. The method further includes obtaining second data including a second identifier of the first product and a second confidence value. The method further includes providing the first data and the second data to a trained machine learning model. The method further includes obtaining a third confidence value from the trained machine learning model associated with the first product. The method further includes adjusting second metadata of the content item in view of the third confidence value.

Abstract: Embodiments of this application provide a Bluetooth scanning method, and the method is applied to an electronic device. The electronic device includes a Bluetooth chip and a Bluetooth agent module, and the Bluetooth chip is connected to the Bluetooth agent module. The method includes: The Bluetooth agent module indicates the Bluetooth chip to scan for a device identifier. If a first device identifier in the device identifiers is obtained through scanning, the Bluetooth chip notifies the Bluetooth agent module. Based on the first device identifier, the Bluetooth agent module establishes a channel to a first device, or notifies an application corresponding to the first device identifier. The embodiments of this application are implemented, to improve service execution convenience, and reduce power consumption and memory usage of the electronic device.

Abstract: A force feedback device includes a base, a working body, a driving assembly, and a transmission structure. The working body includes a key assembly and a working surface. The working surface is disposed on the key assembly. The working body is rotatably connected to the base through a first transmission shaft. The driving assembly is rotatably disposed on the base. The driving assembly is disposed opposite to the working surface. The transmission structure is disposed on the working surface. The transmission structure is in transmission connection with the driving assembly. Compared with the related art, the first transmission shaft of the driving assembly provides forward and reverse rotation to drive the transmission structure to realize force feedback effects, which is compact in overall space, small in friction resistance, and facilitates user experience effect.

Abstract: This disclosure provides methods, devices and systems for wireless communication, and particularly, methods, devices and systems for including signaling regarding enhanced features of new wireless communication protocols. The signaling may be included in various portions of a physical layer preamble of a wireless transmission. In some implementations, the physical layer preamble may be used to indicate puncturing of subbands or content channels that may carry further signaling in accordance with preamble signaling designs of this disclosure. The physical layer preamble signaling be parallelized for different subchannels of a wireless channel that consists of multiple subchannels. Some implementations of the physical layer preambles may be used to multiplex different types of wireless local area network communications into different subsets of the plurality of subchannels of the wireless channel.

Abstract: A battery cell includes a plurality of cathodes and a plurality of anodes. A plurality of solid electrolyte layers are arranged between first adjacent ones of the plurality of cathodes and the plurality of anodes. A plurality of clad current collectors are arranged between second adjacent ones of the plurality of cathodes and the plurality of anodes. The plurality of clad current collector includes a first foil layer, a second foil layer and a thermal interface layer including adhesive and at least one material that increases thermal and electrical conductivity of the thermal interface layer.