Abstract: A method includes predicting, using a machine learning model and based on a received set of user interactions on keywords appearing in a presentation, a knowledge background of the user indicating the user's degree of understanding of the presentation. The method also includes generating, based on the predicted knowledge background, a message comprising a description of a keyword in the presentation and coordinates where the description is to be positioned in the presentation and communicating the message to a device of the user.

Abstract: A method and an apparatus for obtaining timing advance value. The method comprises: receiving (S101) a time domain signal, which contains at least part of a reference signal; extracting (SI 02), from the time domain signal, a first group of signal parts including at least one signal part, and a second group of signal parts including at least one signal part, wherein the first group of signal parts do not overlap the second group of signal parts; and determining (S103) a timing advance, TA, value based on an energy of a signal part in the first group of signal parts and an energy of a signal part in the second group of signal parts, wherein the energy of the signal part is based on correlation between the signal part and the reference signal. Therefore, the TA value may be obtained based on a time domain signal.

Abstract: This disclosure relates to the field of wireless communications technologies, and in particular, to a handover method, including: receiving, by a mobility management network element of a first network, a first handover request sent by an access network, and learning that a terminal device needs to be handed over to a second network; obtaining an identifier of the terminal device based on the first handover request; determining, by the mobility management network element of the first network, a target mobility management network element of the second network based on the identifier of the terminal device; and sending, by the mobility management network element of the first network, a second handover request to the target mobility management network element of the second network, and requesting to hand over the terminal device to the second network.

Abstract: A computing in memory method for a memory device is provided. The computing in memory method includes: based on a stride parameter, unfolding a kernel into a plurality of sub-kernels and a plurality of complement sub-kernels; based on the sub-kernels and the complement sub-kernels, writing a plurality of weights into a plurality of target memory cells of a memory array of the memory device; inputting an input data into a selected word line of the memory array; performing a stride operation in the memory array; temporarily storing a plurality of partial sums; and summing the stored partial sums into a stride operation result when all operation cycles are completed.

Abstract: A LiDAR and a method of a fast photon-count integration for a LiDAR are disclosed. The proposed method, wherein the LiDAR includes a laser, includes: providing a target and the LiDAR; causing the laser to fire a laser pulse towards the target according to a random mechanism; and causing an interval between two adjacent laser pulses to be less than a time that the laser spent for a round trip of maximum unambiguous range to speed up a detection and a ranging of the target.

Abstract: The present invention discloses a user equipment context management method, apparatus, and device, and relates to the field of communications technologies. The method includes: receiving, by a first control plane entity, a service request message of user equipment UE, where the service request message includes service information requested by the UE; obtaining location information of the UE, determining, based on the service information requested by the UE, a mobility level of a service requested by the UE, determining, based on the location information of the UE and the mobility level of the service, an effective range of a context of a network resource bearing the service of the UE, and managing the context based on the effective range of the context.

Abstract: The present disclosure provides packet aggregation and disaggregation methods. In the packet aggregation methods, the protocol-independent packet processor (P4) switch stores plural message headers of plural packets in the ring buffer. When the plural message headers stored in the ring buffer reach a pre-defined amount of data, the P4 switch replaces the first flag header in the current packet with a second flag header so as to form a work packet. The egress pipeline of the P4 switch recirculates the work packet repeatedly, whenever it receives a work packet, a message header is extracted from a plurality of message headers in the ring buffer and added to the working packet for packet aggregation.

Abstract: An embedded file network server based on a seismic data stream includes a broadband power management module, a main control unit, a serial-port-to-RS232 module, a PHY bridge layer, an SD card, and a network interface. The main control unit includes serial port, an SDIO interface, an internal RAM, DMA units, and a MAC drive layer. The main control unit performs seismic data interaction with an external device through the serial port, and receives seismic data through an internal interruption, and the received seismic data stream is stored in the internal RAM. The internal RAM transfers the received seismic data stream to the SDIO interface and MAC driver layer through the DMA units. The SDIO interface stores the seismic data stream in the SD card for data backup. The MAC driver layer is coupled to the PHY bridge layer for inputting and outputting the seismic data stream.

Abstract: Microstructure enhanced photodector arrangements uses a CMOS image sensor (CIS) wafer of crystalline Si and a CMOS Logic Processor (CLP) wafer stacked on each other for electrical interaction. The wafers can be fabricated separately and stacked or can be regions of the same monolithic chip. The image can be a time-of-flight image. Bayer arrays are enhanced with microstructure holes. Avalanche photodiodes, single photon avalanche photodiodes and phototransistors can be laterally and/or vertically doped. Photodetectors/photosensors can have slanted sidewalls for improved optical confinement and reduced crosstalk.

Abstract: Provided is a method for message interaction, including: displaying a live-streaming page of a live-streaming room, wherein a message interaction control is displayed on the live-streaming page, the message interaction control being configured to perform message interaction with a first message processing client, and the first message processing client being an auxiliary client corresponding to an anchor client; acquiring a first interaction message as input in response to the message interaction control being in an activated state; and sending the first interaction message to the first message processing client in response to a message sending instruction on the first interaction message, wherein the first message processing client is configured to process the first interaction message.

Abstract: A communication device with an RF (Radio Frequency) node and a detection node includes a first radiation element, a second radiation element, a first inductor, a second inductor, a third inductor, a first capacitor, and a second capacitor. The first radiation element is coupled to a first node. The second radiation element is coupled to a second node. The first inductor is coupled between the RF node and the ground voltage. The first capacitor is coupled between the RF node and the first node. The second inductor is coupled between the first node and the second node. The second capacitor is coupled between the second node and the ground voltage. The third inductor is coupled between the detection node and the second node. An antenna structure and a sensing pad are formed by the first radiation element and the second radiation element.

Abstract: An electronic device and a fingerprint image correction method are provided. The electronic device includes an optical fingerprint sensor and a processor. The optical fingerprint sensor is used to obtain a fingerprint image. The processor is coupled to the optical fingerprint sensor. The processor judges multiple analog-to-digital converter values of multiple pixels of the fingerprint image according to a numerical mask to generate a comparison image. The processor compares the comparison image with a sample image to obtain a pressure level classification corresponding to the fingerprint image.

Abstract: The present disclosure relates to a method for generating a novel impedance configuration for a three-degree-of-freedom (3DOF) leg of a hydraulically-driven legged robot. The method includes: separately determining variations of input signals of an inner position-based control loop and an inner force-based control loop of a hydraulic drive unit of each joint based on an obtained mathematical model; generating a novel impedance configuration in which position-based control is performed on a hydraulic drive unit of a hip joint, and force-based control is performed on hydraulic drive units of a knee joint and an ankle joint in a hydraulic drive system of the leg of a to-be-controlled robot; and performing forward calculation by using the leg mathematical model, to obtain an actual position and a force variation of the foot of the leg of the to-be-controlled robot to control motion of the foot of the to-be-controlled robot within motion space.

Abstract: Provided is a space-time fractional conductivity modeling and simulation method of two-phase conducting media, including: 1) setting a simulated computation area, setting electric field or magnetic field distribution nodes in the simulated computation area, and setting an artificial current source at the origin of coordinates; 2) selecting a shape function in the entire computation area by a meshless method, and setting shape function parameters, Gaussian integral parameters, electromagnetic parameters, distance between the transmitting system and the receiving system, and the range of the frozen soil layer; 3) loading a first computation point and searching for nodes in the radius of the support domain, discretizing the definite integral by a 4-point Gaussian integral equation, then interpolating and summing to obtain the fractional derivative of the shape function, assigning the shape function result to the corresponding position of the large sparse matrix in the spatial fractional electric field diffusion

Abstract: An information processing method, a server, and a computer storage medium are provided. The method includes: generating a first information identification code according to first information, the first information representing an information source; providing the first information identification code to a terminal; receiving a first request from the terminal and allowing a terminal user of the terminal to follow an information service, the first request carrying the first information; and recording the first information and tracking and obtaining conversion information of the information source according to the first information.

Abstract: An electrical connector includes: an insulative housing having a recess at an outer surface thereof; plural contacts secured to the insulative housing and each including a securing portion, a front contacting portion, and a rear tail; an internal printed circuit board (PCB) having plural conductive pads connected to the rear tails of the contacts and an auxiliary ground pad; a metallic cover enclosing the insulative housing; and a coupling piece received in the recess of the insulative housing, the coupling piece either connecting the metallic cover to the auxiliary ground pad of the PCB or connecting the metallic cover to a corresponding ground contact of the plurality of contacts or both.

Abstract: Techniques for enhancing the absorption of photons in semiconductors with the use of microstructures are described. The microstructures, such as pillars and/or holes, effectively increase the effective absorption length resulting in a greater absorption of the photons. Using microstructures for absorption enhancement for silicon photodiodes and silicon avalanche photodiodes can result in bandwidths in excess of 10 Gb/s at photons with wavelengths of 850 nm, and with quantum efficiencies of approximately 90% or more.

Abstract: A method includes forming a gate trench over a semiconductor fin. The gate trench includes an upper portion surrounded by first gate spacers and a lower portion surrounded by second gate spacers and the first gate spacers. The method includes forming a metal gate in the lower portion of the gate trench. The metal gate is disposed over a first portion of a gate dielectric layer. The method includes depositing a metal material in the gate trench to form a gate electrode overlaying the metal gate in the lower portion of the gate trench, while keeping sidewalls of the first gate spacers and upper surfaces of the second gate spacer overlaid by a second portion of the gate dielectric layer. The method includes removing the second portion of the gate dielectric layer, while remaining the gate electrode substantially intact.

Abstract: The present invention provides a multi-mode dispersion energy imaging device and method for a four-component marine interface wave of an ocean bottom seismometer, belonging to the technical field of marine seismic exploration. The method includes the following steps: designing an marine interface wave artificial seismic observation system, designing a reasonable observation system according to the geological condition of the operation area to ensure the resolution of the imaging to perform the marine artificial source seismic operation; carrying out the data preprocessing of the seafloor surface wave, and then carrying out the three-component seismometer Scholte wave and the acoustic guided wave dispersion energy imaging, and the one-component hydrophone acoustic guided wave dispersion energy imaging; superposing and normalizing the three-component Scholte wave dispersion energy spectrum and the one-component acoustic guided wave dispersion energy spectrum. The device is implemented based on the method above.

Abstract: A method for manufacturing a semiconductor device includes forming a gate trench over a semiconductor fin, the gate trench including an upper portion and a lower portion. The method includes sequentially forming one or more work function layers, a capping layer, and a glue layer over the gate trench. The glue layer includes a first sub-layer and a second sub-layer that have respective different etching rates with respect to an etching solution. The method includes removing the second sub-layer while leaving a first portion of the first sub-layer filled in the lower portion of the gate trench.