Abstract: A method and a device in a communication node used for wireless communications is disclosed in the present disclosure. The communication node first receives first information and second information; and transmits a first radio signal in a first time window; and then transmits a second radio signal; the first information is used to determine a target time window, the second radio signal occupies a second time window in time domain, and the second information is used to determine at least one of whether the second time window belongs to the target time window or a relative position relationship between the second time window and the target time window; an end of the first time window is earlier than a start of the target time window. The present disclosure helps improve the utilization ratio of resources in Grant-Free transmission.

Abstract: A method and a device in a communication node for wireless communications are disclosed in the present disclosure. The communication node first receives a first signaling; and then receives a first radio signal in K1 slots and receives a second radio signal in K2 slots; the first signaling is used to determine the K1 and the K2; a first TB is used to generate the first radio signal, while a second TB is used to generate the second radio signal, the first TB comprising a positive integer number of bit(s), and the second TB comprising a positive integer number of bit(s); the K1 slots are divided into X1 slot groups, while the K2 slots are divided into X2 slot groups, and positions of the X1 slot groups and the X2 slot groups are interleaved in time domain. The present disclosure can reduce power consumption and improve coverage performance.

Abstract: The present disclosure discloses a method and a device in a communication used for wireless communication. The communication node first performs X measurement(s) respectively in X time-frequency unit(s), the X measurement(s) respectively being used for acquiring X first-type measurement value(s), the X being a positive integer; and then performs a first measurement, the first measurement being used for acquiring a second-type measurement value; and finally transmits a first radio signal; herein, the X first-type measurement value(s) is(are) used for the first measurement, the second-type measurement value acquired by performing the first measurement is used for determining at least one of an MCS employed by the first radio signal or time-frequency resources occupied by the first radio signal; a number of time-frequency resources occupied by one of the X time-frequency unit(s) is related to a subcarrier spacing of subcarriers occupied by the first radio signal.

Abstract: A thin film transistor is provided. The thin film transistor is disposed on a base substrate and includes: a first active layer; a first gate disposed on a side of the first active layer; a first insulating layer disposed on a side of the first gate away from the base substrate; and a source and a drain. The first gate includes a stacked structure including: a first conductive layer; and a first barrier layer disposed on a side of the first conductive layer away from the base substrate, where a side of the first barrier layer away from the base substrate is in direct contact with a side of the first insulating layer proximate to the base substrate. The first barrier layer includes TiNx1, where 0?x1<0.2, and x1 is a molar ratio of N to Ti.

Abstract: An optical fingerprint sensor is provided. The optical fingerprint sensor includes a backplate structure layer, a pixel defining layer, and an organic photoelectric sensing layer, wherein the pixel defining layer is disposed on a side of the backplate structure layer; and a non-pixel region of the pixel defining layer is provided with a first non-pixel hole, and the organic photoelectric sensing layer is disposed in the first non-pixel hole.

Abstract: An array substrate, a display panel, a display apparatus, and a method for manufacturing the array substrate are provided. The array substrate includes: a base substrate; a plurality of pixels, at least one of the pixels including a pixel driver circuit and a light-emitting unit electrically connected to the pixel driver circuit; a fingerprint recognition structure including a first capacitor electrode configured to form a capacitor for fingerprint recognition between at least a part of a touch body and the first capacitor electrode in response to the at least a part of the touch body covering the first capacitor electrode. The fingerprint recognition structure is in the at least one pixel, the pixel driver circuit includes a thin film transistor including an active layer and a gate, and the first capacitor electrode is in the same layer as one of the active layer or the gate of the thin film transistor.

Abstract: Various embodiments comprise systems, methods, mechanisms, apparatus, and improvements thereof providing a machine learning based inverse design method for mm-wave/RF power amplifiers (PAs). Methods according to embodiments provide for efficiently synthesizing power amplifier matching circuit (output matching/output power combiner/backoff efficient output power combiner, interstage matching and input matching/input power divider and phase shifter) for a close to optimum solution in terms of matching bandwidth, efficiency and load modulation, which can exceed the performance limitations of traditional matching network designs.

Abstract: An intelligent bathing bed is provided, which includes an underframe and a mattress. The mattress is arranged within the underframe, the mattress includes a fixed mattress and a movable mattress. The fixed mattress and the movable mattress are arranged at intervals in a same plane. The movable mattress is connected with the underframe through a water outlet pipe. The movable mattress includes a roller. A peripheral surface of the roller is provided with a water outlet array and a massaging head array. The water outlet array and the massaging head array are arranged at intervals. The intelligent bathing bed further includes a driving mechanism. The roller is connected with the driving mechanism, and the roller is driven by the driving mechanism to rotate along a central axis. The disclosure has advantages that it is less operation difficulty, can guarantee use safety of the users, and is suitable for the elderly population.

Abstract: Discloses a method and a device in a node for wireless communications. The node receives a first information block, the first information block being used to determine a first offset value; and determines a first bit block and transmits a target PUSCH, where a target bit sequence is used for generating the target PUSCH, and the first bit block is used for generating a first bit sequence, the first bit sequence belonging to the target bit sequence, and the first offset value is used to determine a number of bits comprised in the first bit sequence; when a target condition is satisfied, the number of HARQ-ACK bit(s) comprised in the first bit block is used to determine whether the first reference bit block comprises a bit other than the first bit block. The present application can enhance the resource utilization ratio of HARQ multiplexing.

Abstract: The present disclosure provides a method and a device in a communication node for wireless communications. The communication node first receives first information, the first information being used to determine a target time-frequency resource pool; and then monitors a first signaling; after that, when the first signaling is detected, the communication node receives a first radio signal; a first code block is used to generated the first radio signal; time-frequency resources occupied by the first signaling comprise a first time-frequency resource, while time-frequency resources occupied by the first radio signal comprise a second time-frequency resource; whether the first radio signal can be excluded from being used for combined decoding for the first code block is dependent on whether the first time-frequency resource belongs to the target time-frequency resource pool. The present disclosure manages to improve the flexibility of buffer configurations.

Abstract: The present invention discloses a selenium-doped MXene composite nano-material and a preparation method thereof, comprising the following steps: (1) adding MXene and an organic selenium source into a dispersant, and stirring to prepare a dispersion with a concentration of 1 mg/ml to 100 mg/ml; (2) transferring the dispersion into a reaction kettle, then heating, reacting, and then naturally cooling to a room temperature; (3) washing the product obtained in the step (2) with a cleaning agent, then centrifuging to collect a precipitate, and drying the precipitate under vacuum; and (4) placing the sample obtained in the step (3) into a tubular furnace for calcination, introducing protective gas, heating, and then cooling to a room temperature to obtain the selenium-doped MXene composite nano-material. The material prepared by the present invention has high specific surface area, good electrical conductivity, cycle stability performance, rate performance and high theoretical specific capacity.

Abstract: The present disclosure provides a method and a device in a communication node for wireless communications. The communication node in the present disclosure first receives first information, and then transmits a first radio signal; a length of a time interval between a start time for transmitting the first radio signal and a first reference time is equal to a sum of a first timing adjustment and a second timing adjustment, the first timing adjustment being one of X candidate timing adjustments, the X being a positive integer greater than 1; the second timing adjustment is used for determining a transmission timing of a radio signal transmitted before the first radio signal in time domain; a transmitter of the first radio signal determines the first timing adjustment out of the X candidate timing adjustments by itself. The present disclosure can improve uplink synchronization performance.

Abstract: A system and a method for performing 2D on-screen user gaze estimation using an input facial image of a user captured using a camera associated to a processing device having a display. The method and system allow automated user calibration through automatic recording of calibration samples each including a calibration facial image of the user and an interaction point corresponding to a point on the display where an occurrence of a user interaction was detected when the corresponding calibration image was captured. The system and method also optimize user-specific parameters using the calibration samples by iteratively minimizing a total difference between the interaction points of a plurality of the calibration samples and corresponding 2D gaze estimation results and convert an estimated 3D gaze direction into a 2D gaze estimation result corresponding to a point on the display, by applying the users-specific parameters.

Abstract: Disclosed are a thin-film transistor and a preparation method therefor, and a display substrate and a display panel. The thin-film transistor includes: a base substrate; an active layer located on the base substrate; and a source-drain electrode which is located on the side of the active layer facing away from the base substrate, and includes an electrode layer and a protective layer, where the material of the electrode layer includes a first metal element; the protective layer covers the surface of the side of the electrode layer facing away from the base substrate, and a side face of the electrode layer; and the material of the protective layer is an oxide of the first metal element.

Abstract: Disclosed are a method and an apparatus for a node used for wireless communication. The method includes: receiving, by a first node, a first information block, where the first information block is used to indicate a first time-frequency resource block; performing first access detection in a first sub-band, where the first access detection includes more than one time of first type monitoring; and sending a first signal in the first time-frequency resource block when a quantity of times of the first type monitoring, in the first access detection, with monitoring results indicating that a channel is idle is not less than Q1; or abstaining from sending of a first signal in the first time-frequency resource block when a quantity of times of the first type monitoring, in the first access detection, with monitoring results indicating that a channel is idle is less than Q1.

Abstract: Disclosed are a method and an apparatus for a node used for wireless communication. The first node first receives a first wireless signal in a first time-frequency resource pool, where the first wireless signal carries a first block of bits; next sends first signaling in a second time-frequency resource pool, where the first signaling is used to indicate whether the first block of bits is correctly decoded; then monitors a second wireless signal in a third time-frequency resource pool, where the second wireless signal carries the first block of bits; and when the first signaling indicates that the first block of bits is not correctly decoded, the first node sends second signaling in a fourth time-frequency resource pool by using a first power value.

Abstract: Privacy protection methods, systems, and apparatus, including computer programs encoded on computer storage media, are provided. One of the methods is performed by a second computing device and includes: receiving a data request for object data from a first computing device, wherein the object data is associated with an object and is stored in the second computing device; performing encryption of the object data using a public key associated with the object based on the data request to generate a first ciphertext; obtaining verification data based on the first ciphertext for verifying whether a ciphertext to be verified corresponds to the object data; and sending the verification data to the first computing device for the first computing device to execute a cryptography protocol with a third computing device based on the verification data.

Abstract: Disclosed are a method and an apparatus. A first node is configured to: receive first signaling and a first wireless signal, where the first signaling indicates a first priority; determine, based on the first priority, whether to send second signaling, when it is determined to send the second signaling, send the second signaling and update a value of a first counter to an initial value; or when it is determined not to send the second signaling, abstain from sending of the second signaling and update the value of the first counter by 1; when the first counter expires, in response to expiration of the first counter, send a second wireless signal and update the value of the first counter to the initial value. The first signaling includes configuration information of the first wireless signal, the second signaling is used to indicate whether the first wireless signal is correctly decoded.

Abstract: Provided is a coding control method in a passive optical network (PON). The method includes acquiring data of a service to be coded and a preset codeword length N corresponding to the service to be coded; acquiring a coding mode corresponding to the preset codeword length N in a preset table describing a correspondence between codeword length ranges and coding modes; and coding data of the service by using the coding mode corresponding to the preset codeword length N. Further provided are a coding control apparatus in a PON, a communication device and a storage medium.

Abstract: A method and a system for obtaining a product prototype based on an eye movement data. The method comprises the following steps: Obtaining A front-side view of the target product for establishing a underlying sample library; The target product is divided into several detection areas according to its structure or function features, and the eye movement is detected to obtain the fixation time of the target product The invention adopts computer and image collecting technology to process the observation data of human eyes, and adopts K-means clustering to obtain the prototype of the target product, to assist the designer to grasp the categories of personal interest contour, so as to improve the design effect of product appearance.