Boe Technology Group Co., Ltd.

Schlumberger Technology Corporation

Beijing University of Posts and Telecommunications

Saudi Arabian Oil Company

Beijing Boe Technology Development Co., Ltd.

Advanced New Technologies Co., Ltd.

Tsinghua University

Boe Technology Groupco., Ltd.

Boe Technology Group

Nokia Corporation

Stmicroelectronics International N.v.

St-Ericsson Sa

Chongqing Boe Optoelectronics Technology Co., Ltd.

Siemens Schweiz Ag

Boe (Hebei) Mobile Display Technology Co., Ltd.

Ping Zhang

Xiaoliang Ding

Haisheng Wang

Pengpeng Wang

Xueyou Cao

Yanling Han

Wei Liu

Yingming Liu

Xue Dong

Chihjen Cheng

Yangbing Li

Likai Deng

Changfeng Li

Yuzhen Guo

Jing Lv

Chunwei Wu

Chih Jen Cheng

Lei Wang

Rui Li Xu

Yunke Qin

Yanan Jia

Jiabin Wang

Lijun Zhao

Yapeng Li

Pinchao Gu

David Lee Alumbaugh

Wael Abdallah

Zhiyong Feng

Xiaodong Xu

Xiaofeng Tao

Aria Abubakar

Zhiqing Wei

Qimei Cui

Tarek M Habashy

Shouxiang Mark Ma

Chih-jen Cheng

Jiuping Chen

Michael Wilt

Yubo Wang

Xuan Feng

Yuanyuan Ma

Guozhong Gao

Chengbing Liu

Wenjuan Wang

Bo Chen

Edward Nichols

Qin Liu

Chun-wei Wu

Chengfu Xu

Wenhao Tian

Kai Niu

Xiaochuan Chen

Ying Wang

Qiang Wang

Zhi Zhang

Kai Xu

Kai Sun

Ni Ma

Xin Chen

Chun Wei Wu

Bei Chun Zhou

Hui Tian

Fuxi Deng

Liang Cui

Yujie Yang

Yanping Zhang

Jin Xu

Zhen Sun

Yixiang Zhang

Wei Chen

Bin Zhang

Da Wang

Dean M Homan

Yingzi Wang

Haifeng Wang

Hui Li

Wen Jie Wang

Hao Jia Li

Gang Wu

Wei Lin

Xinyu Wang

Lei Song

Chen Dong

Xu Liang Li

Mohammed Badri

Xiufeng Li

Daniele Colombo

Chao Wu

Ben Xu

Wei Dai

Dan Hu

Zhen Wu

Chao Dong

Paul Bolchover

Gong Li Wang

Jean-Pierre Poyet

Benoit A Foubert

Yucheng Li

Jinhong Zhang

An interventional operation isolation transfer cabin includes a cabin body, and a lead wire access device and a wire in/out device which two are mounted on the cabin body, the cabin body is provided with a negative pressure generating device at one end and an air inlet at the other end, the negative pressure generating device is provided with an exhaust filter device at its air outlet, and an intake filter device is provided at the air inlet. Several operating openings are provided on side walls of the cabin body, each of the operating openings is in seal connection with an operating glove, and a glove opening of at least one operating glove faces an interior of the cabin body. Equipment wires required by an interventional operation are preset through the lead wire access device, and wires added midway under a sealing condition is guaranteed through the wire in/out device.

Interventional operation isolation transfer cabin

Disclosed are a semantic based Huffman encoding method, a semantic based Huffman decoding method and related devices. In the semantic based Huffman encoding method, an information sequence containing source symbols is received at first. Then, synonymous mappings are performed on the source symbols respectively based on a synonymous mapping codebook. Later, synonymous sets corresponding to the source symbols are determined respectively. Further, encoded codewords corresponding to the synonymous sets are determined respectively based on a semantic Huffman codebook. After sorting the encoded codewords according to an order of the source symbols in the information sequence to obtain an encoded sequence corresponding to the information sequence, the encoded sequence is transmitted to a receiving end for decoding.

Semantic based Huffman encoding method, semantic based Huffman decoding method, and related device

Embodiments of the present application provide a time allocation method, device, device, and storage medium based on an on-board device. The method includes: constructing a target function of a plurality of on-board devices; determining the plurality of time allocation ratios contained in the value set, in the order from small to large, as the time allocation ratio to be tested respectively; inputting the determined time allocation ratio to be tested into the target function of the plurality of on-board devices, obtaining a target function value of each on-board device; judging whether the target function value of the on-board device satisfies both a preset condition, and the first constraint corresponding to the on-board device; if the result of the judgment is negative, returning to execute the step of determining the plurality of time allocation ratios contained in the value set, in the order from small to large, as the time allocation ratio to be tested respectively; if the result of the judgment is positive, determining the current time allocation ratio to be tested as a time allocation result of the on-board device.

Time allocation method, equipment, device, and storage medium based on an on-board device

A cooperative precoding method and device. The method includes: obtaining a first sensing and communication signal sent by a first node; obtaining a second sensing and communication signal sent by a second node; updating the first sensing and communication signal; updating the second sensing and communication signal; returning to the step of obtaining a first sensing and communication signal when the signal-to-noise ratio of a signal received by a user and the signal-to-noise ratio of a radar echo signal received by the first node do not meet a preset condition. The solutions enhance sensing performance of nodes while at the same time improve the communication performance of a target user.

Cooperative precoding method and apparatus

A broadband millimeter wave beam tracking method based on vehicle movement trajectory recognition, which relates to the field of wireless communication. First, a rough estimate of the beam angle is obtained according to the position and attitude of two vehicles in a communication scenario at an initial moment, and a state of the vehicle is judged according to the sudden change rate of the transmitting beam angle starting from a next moment: if it is in the sudden change mode, the observation value ŷof the received signal is calculated; if it is in the smooth change mode, the observation value I is calculated; the observation values in different modes are input into an improved particle filter algorithm for fine beam estimation, to obtain optimal values xand u; and the beam optimal values at the current moment are used to re-estimate a pair of the forming vector of the transmitting beam and the forming vector of the receiving beam to adjust the vehicle and the pilot signal at the next moment is transmitted; by continuously adjusting the beam forming vector at each moment, a beam tracking within an error range is obtained. The present application improves the accuracy and reliability of beam tracking in case of sudden angle change.

Broadband millimeter wave beam tracking method based on vehicle motion trajectory cognition

A wireless federated learning (FL) framework and a resource optimization method are provided to resolve a problem that FL is not suitable for many hardware-constrained Internet of Things (IoT) devices with a small amount of computing resources. In the framework, users with sufficient computing resources upload locally trained model parameters to a base station, and users with limited computing resources only need to send training data to the base station. The base station performs data training and model aggregation to obtain a global model. In this way, the users with limited computing resources and the users with sufficient computing resources cooperatively train the global model. To improve a data transmission rate and reduce an aggregation error of FL, a non-convex optimization problem is constructed to jointly design user transmit power and a reception strategy of the base station, and solves the problem through a successive convex approximation (SCA) method.

Wireless federated learning framework and resource optimization method

Provided is a wearable display device. The wearable display device includes: a display panel, comprising a display region and a peripheral region surrounding the display region; a first light-emitting element, configured to emit light to be irradiated to eyes of a user; a plurality of photoelectric sensor assemblies in the peripheral region; a first polarizer layer, disposed on a light-emitting side of the first light-emitting element; and a second polarizer layer, disposed on a side, distal from the display panel, of the photoelectric sensor assembly, a polarization direction of the second polarizer layer being intersected with a polarization direction of the first polarizer layer.

Wearable display device and method for determining gaze position

A multi-functional reconfigurable intelligence surface (MF-RIS) integrating signal reflection, refraction and amplification and energy harvesting and an application thereof are provided. The MF-RIS can support wireless signal reflection, refraction and amplification and energy harvesting on one surface, to amplify, reflect, or refract a signal through harvested energy, and further enhance effective coverage of wireless signals. When a signal model of the MF-RIS constructed in the present disclosure is applied to a multi-user wireless network, a non-convex optimization problem of jointly designing operation modes and parameters that include BS transmit beamforming, and different components and a deployment position of the MF-RIS is constructed with an objective of maximizing a sum rate (SR) of a plurality of users in an MF-RIS-assisted non-orthogonal multiple access network. Then, an iterative optimization algorithm is designed to effectively solve the non-convex optimization problem, to maximize the SR of the plurality of users.

Multi-functional reconfigurable intelligence surface integrating signal reflection, refraction and amplification and energy harvesting and application thereof

A display device, a method for producing a display device, and a gesture recognition method are disclosed. The display device includes a display module including a base and an array substrate, a resin layer, a first electrode layer, a pixel definition layer, a light-emitting unit layer, a second electrode layer disposed opposite to the first electrode layer, and an encapsulation layer. The light-emitting unit layer is between the first electrode layer and the second electrode layer and includes a plurality of light-emitting units respectively in a plurality of openings of the pixel definition layer, and an ultrasonic sensor including the second electrode layer, a piezoelectric material layer between the first electrode layer and the pixel definition layer, and a third electrode layer between the pixel definition layer and the resin layer. The piezoelectric material layer includes a plurality of piezoelectric material units separated by the plurality of light-emitting units.

Display device, method for producing display device, and gesture recognition method

A generation method for a magnetic configuration of a magnetic material includes: obtaining an initial magnetic configuration and an initial atomic configuration of the magnetic material; and randomly generating a variety of random configuration combinations; selecting one of the random configuration combinations as a target magnetic configuration and a target atomic configuration, to obtain a constraint constant and a wave function of the target magnetic configuration; determining energy, temperature and pressure, and storing them; returning to select a new random configuration combination, and repeating the above steps by using different magnetic materials; obtaining the magnetic material of a specified phase transition temperature. The present disclosure also provides and a simulation method for a magnetic configuration of a magnetic material, which can simulate the target magnetic configuration to form a magnetic configuration library and guide the synthesis of the target magnetic materials.

Generation method and simulation method of magnetic configuration of magnetic material

Provided is a wearable display device. The wearable display device includes a display panel, comprising a display region and a peripheral region surrounding the display region; a plurality of light-emitting elements, configured to emit light to be irradiated to eyes of a user; a lens assembly, disposed on a light-exiting side of the display panel, the lens assembly comprising a lens mount and a lens within the lens mount, a light transmittance of the lens mount being greater than a threshold; and a plurality of photoelectric sensor assemblies in the peripheral region.

Wearable display device

Disclosed is an arithmetic encoding method based on a semantic source, which is applied to an encoder. In this method, a preset encoding interval of the semantic source and a syntax symbol sequence containing syntax symbols are obtained. For each syntax symbol of the syntax symbols, a target synonymous subset of the syntax symbol is determined from preset synonymous subsets of the syntax symbol. The target synonymous subset of the syntax symbol is encoded according to the preset encoding interval through an arithmetic encoding algorithm to obtain an encoded result sequence corresponding to the syntax symbol sequence. After obtaining a sequence length of the syntax symbol sequence, the sequence length and the encoded result sequence are sent to a decoder for decoding.

Arithmetic encoding and decoding method based on semantic source and related device

Provided is a display device including a display panel and a plurality of photoelectric sensor assemblies. The display panel includes a display region, a first region disposed outside the display region and extending along a first direction, and a second region disposed outside the display region and extending along a second direction, wherein the first direction is intersected with the second direction. Each of the photoelectric sensor assemblies is provided with a strip-shaped photosensitive region. One portion of the plurality of photoelectric sensor assemblies are disposed in the first region, the other portion of the photoelectric sensor assemblies are disposed in the second region. Each of the photoelectric sensor assemblies is configured to receive an optical signal reflected via eyes of a user and convert the optical signal into an electric signal.

Display device, wearable display device and method for determining gaze positions

Methods and systems are provided that use resistivity log data to estimate water saturation of formation rock and/or other useful formation parameters (such as CEC) in a manner that accounts for one or more electrically conductive mineral components contained in the formation rock.

Water saturation estimation of pyrite-rich formation rock

Disclosed is a low-complexity linear equalization method for an Orthogonal Time Frequency Space (OTFS) system. The method may include: receiving a time domain signal passing through a linear time-varying (LTV) channel; sampling the time domain signal to obtain a sampled signal; demodulating the sampled signal to obtain a demodulated signal; performing a Symplectic Finite Fourier Transform (SFFT) on the demodulated signal to obtain a sampled delay-Doppler domain signal; determining an effective channel matrix in a delay-Doppler domain under a restriction of a rectangular window according to a time domain channel matrix; determining a linear equalization matrix according to the effective channel matrix; and equalizing the sampled delay-Doppler domain signal in a low-complexity way according to the linear equalization matrix. The disclosure also discloses a linear equalization device of an OTFS system for realizing the linear equalization method and a computer-readable storage medium.

Linear equalization method and device for OTFS systems

Growing community of inventors

Beijing, China

Ping Zhang