Abstract: Methods and apparatuses for encoding and decoding a physical layer (PHY) protocol data unit (PPDU) for low power indoor (LPI) wireless communication, which includes a preamble portion and a payload portion. The preamble portion includes a first universal signal field (U-SIG), the first U-SIG comprising information regarding a payload portion of the PPDU. The preamble portion further includes a second U-SIG, which contains identical information regarding the payload portion of the PPDU. The repetition of the U-SIG may improve robustness of the preamble portion detection and also enable auto-detection of the PPDU for LPI communication.

Abstract: In a parameter configuration method, when the terminal requests a parameter of the PC5 interface, a home platform server of the terminal generates a configuration rule for the configuration parameter, requests first configuration parameters from configuration entities capable of configuring the PC5 interface, and then combines, according to the configuration rule, the first configuration parameters generated by the configuration entities, to obtain a second configuration parameter used to configure the PC5 interface. The home platform server of the terminal directly or indirectly controls, by generating the configuration rule, the configuration parameter finally used to configure the PC5 interface.

Abstract: A screen sharing method and system and an electronic device are provided. The screen sharing system may include a first electronic device, a second electronic device, a third electronic device, and a fourth electronic device. The third electronic device may be an electronic device near the first electronic device. The fourth electronic device may be an electronic device near the second electronic device. In the method, the first electronic device may establish a video communication connection to the second electronic device. The third electronic device may share a screen of the third electronic device with the second electronic device by using the first electronic device. The second electronic device may display the screen shared by the third electronic device, and may further switch the screen shared by the third electronic device to the fourth electronic device for display.

Abstract: A keyboard assembly includes a keyboard body and a drive mechanism. The keyboard body includes a frame assembly and keys. The keys are arranged in a plurality of rows in parallel, each row of keys include a plurality of keys, and the keys are located in key slots on the keyboard body. The frame assembly includes a first frame and a crossbar, and the drive mechanism drives the first frame to move in an arrangement direction of the plurality of rows of keys. One crossbar is correspondingly disposed for each row of keys, the crossbar moves, along with movement of the first frame, in an arrangement direction of each row of keys, and the keys move, along with movement of the crossbar, in a direction toward the key slots or in a direction of exposing the key slots.

Abstract: A composite module includes a housing, an optical component, and a power supply component. A first end of the housing is provided with a first socket, and a second end of the housing is provided with a second socket. The optical component includes a first optical connector, an optical-to-electrical conversion component, and a second optical connector. One end of the optical-to-electrical conversion component is connected to the first optical connector, and the other end of the optical-to-electrical conversion component is connected to the second optical connector. The power supply component includes a first electrical connector, a power supply line, and a second electrical connector. One end of the power supply line is connected to the first electrical connector, and the other end of the power supply line is connected to the second electrical connector.

Abstract: A photographing apparatus includes a shape memory alloy (SMA) motor, an image sensor, a lens, and a controller. The SMA motor includes an SMA wire. The SMA wire is configured to deform to drive the lens to move. The controller is configured to output a pulse signal. The pulse signal includes a drive signal and a detection signal. The drive signal is used to cause the SMA wire to deform. The detection signal is used to detect deformation of the SMA wire. N times a pulse signal cycle is equal to a time difference between the first time of sampling and the second time of sampling in correlated double sampling of the image sensor.

Abstract: This application discloses a processing method of an abnormally behaving unmanned aerial vehicle, a network element, a system, and a storage medium, to detect a data packet for transmitting non-command and control (non-C2) data. According to the method, an SMF network element provides a first rule for a UPF network element, where the first rule indicates the UPF network element to detect, from a target transmission data packet, the data packet for transmitting the non-C2 data, and the target transmission data packet is a data packet between the UAV and the UAVC; the SMF network element receives a first session report sent by the UPF network element; and the SMF network element sends an abnormal traffic report to the first network element based on the first session report.

Abstract: A device positioning method includes a first electronic device sending, at each of a first position and a second position, a BLUETOOTH positioning signal to a second electronic device in response to a detected shake operation performed on the first electronic device. The first electronic device receives first response information sent by the second electronic device. The first electronic device determines first position information of the second electronic device based on the first response information. The first electronic device displays a second interface, and the second interface includes the first position information and the identifier of the second electronic device.

Abstract: Methods for thermal treatment on a semiconductor device is disclosed. One method includes obtaining a pattern of a treatment area having amorphous silicon, aligning a laser beam with the treatment area, the laser beam in a focused laser spot having a spot area equal to or greater than the treatment area, and performing a laser anneal on the treatment area by emitting the laser beam towards the treatment area for a treatment period.

Abstract: Proposed are a backlight device for display and a current control integrated circuit therefor, the current control integrated circuit includes a plurality of driving current control units sharing a column signal for backlight and controlling driving currents of a predetermined number of light-emitting diode channels belonging to the same control group, wherein the plurality of the driving current control units receive the column signal for the control group and the zoom control signal in a shared manner and sequentially receive row signals, respectively, and wherein each of the plurality of driving current control units generates the sampling voltage that results from sampling the column signal using the row signal, and controls the driving current for light emission from the light-emitting diode channel using the sampling voltage, thereby enabling a gain for conversion of the driving current by the sampling voltage to be controlled with the zoom control signal.

Abstract: A foldable electronic device includes a first device body, a second device body, an earpiece, an antenna, and a first switch control circuit. The antenna includes a main radiator and a first parasitic radiator. The main radiator is disposed on the first device body, and the first parasitic radiator and the earpiece are disposed on the second device body. When the foldable electronic device is in a folded state, the main radiator is disposed relative to the first parasitic radiator at a first interval and is coupled to the first parasitic radiator through the first interval. The first switch control circuit includes a first switch component and a plurality of different first matching branches disposed in parallel connection. One end of the first switch control circuit is connected to a ground of the second device body, and the other end is connected to the first parasitic radiator.

Abstract: A data transmission method and an apparatus are provided. The method includes: A terminal device receives DCI from a network device, where the DCI is used to schedule downlink data and indicate a modulation scheme of the downlink data, the modulation scheme of the downlink data is a first modulation scheme or QPSK, and a modulation order corresponding to the first modulation scheme is greater than 2; and the terminal device receives the downlink data based on the modulation scheme. Based on the foregoing procedure, the network device indicates the modulation scheme of the downlink data by using the DCI, so that the terminal device receives the downlink data based on the modulation scheme indicated by the DCI. In this way, scheduling based on higher order modulation indicated by using the DCI is implemented.

Abstract: In a method for data recovery in a continuous data protection system, delta values representing an exclusive disjunction between successive values of data block contents of a content fragment of a dataset at a time t(n) and a time t(n?1) for n=1 to i, where i is selected according to a predetermined data protection profile, are generated. The delta values can be used to recover a dataset to a value at the selected point in time in association with a snapshot that is selected as a starting point for recovery based on a cost analysis associated with a volume of disk activity to restore.

Abstract: A semiconductor device and a method of fabricating the semiconductor device are provided. The method includes: forming a first bottom isolation layer and a second bottom isolation layer in a substrate, the thickness of the second bottom isolation layer being less than that of the first bottom isolation layer; and forming, on the a first active area in the substrate, a first gate structure extending to the first bottom isolation layer and forming, on a second active area in the substrate, a second gate structure extending to the second bottom isolation layer.

Abstract: A semiconductor epitaxial structure, an application thereof and a manufacturing method therefor are provided. The semiconductor epitaxial structure includes a substrate, an aluminum nitride layer formed on the substrate, and a gallium nitride layer formed on the aluminum nitride layer. The semiconductor epitaxial structure can be applied in a semiconductor device and an electronic device.

Abstract: An attack behavior detection apparatus configured to obtain Hypertext Transfer Protocol (HTTP) packet flow data from a host within a reference time period, determine a plurality of initial probability values using a plurality of behavior detection models, determine a comprehensive probability value based on the initial probability values, and determine that an exploit kit (EK) attack behavior is detected when the comprehensive probability value is greater than a preset probability threshold.

Abstract: A service processing method includes receiving a first identifier or a second identifier, where the first identifier indicates a first device, and the second identifier indicates a first service application; determining a first topology network based on the first identifier and an association relationship, or determining a second topology network based on the second identifier and an association relationship, where the association relationship is a relationship between at least one device and at least one service application, the first topology network reflects a topology relationship between the first device and the at least one service application, and the second topology network reflects a topology relationship between the first service application and the at least one device; and presenting the first topology network or the second topology network.

Abstract: A radar system includes a transmitter configured to transmit a radar signal; and a receiver configured to receive an echo signal obtained after the radar signal is reflected by a target, where a transmit antenna array of the transmitter and a receive antenna array of the receiver are used to form a virtual linear array and a virtual planar array, the virtual linear array includes a uniform linear array in a first direction, the virtual planar array includes a uniform planar array, and a first spacing between two adjacent array elements in the uniform linear array is less than a second spacing between two adjacent array elements in the first direction in the uniform planar array.

Abstract: This application discloses a method that includes obtaining by a network device an original segment list corresponding to a packet forwarding path, where the original segment list includes original segment identifiers that are sequentially arranged, and each of the original segment identifiers that are sequentially arranged corresponds to one node or link on the packet forwarding path. The method further includes comparing by the network device a plurality of successively adjacent original segment identifiers in the original segment list, to generate a plurality of successively adjacent compressed segment identifiers, where a length of each compressed segment identifier is less than a length of a corresponding original segment identifier, and generating by the network device a compressed segment list, where the compressed segment list includes a plurality of compressed segment identifiers, and the compressed segment list is used to forward a packet along the packet forwarding path.