Boe Technology Group Co., Ltd.

Schlumberger Technology Corporation

Beijing University of Posts and Telecommunications

Saudi Arabian Oil Company

Advanced New Technologies Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

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.

Boe Technologies Group 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

Xiaodong Xu

Xiaofeng Tao

Aria Abubakar

Qimei Cui

Tarek M Habashy

Shouxiang Mark Ma

Chih-jen Cheng

Zhiyong Feng

Jiuping Chen

Michael Wilt

Yubo Wang

Xuan Feng

Yuanyuan Ma

Guozhong Gao

Chengbing Liu

Wenjuan Wang

Zhiqing Wei

Bo Chen

Edward Nichols

Qin Liu

Chun-wei Wu

Chengfu Xu

Wenhao Tian

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

Zhen Sun

Yixiang Zhang

Frank Morrison

Rui Chen

Wei Chen

Bin Zhang

Da Wang

Dean M Homan

Hui Li

Haifeng Wang

Yingzi Wang

Wen Jie Wang

Hao Jia Li

Gang Wu

Wei Lin

Lei Song

Xinyu Wang

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

Jin Xu

Jean-Pierre Poyet

Benoit A Foubert

Yucheng Li

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

A phase coder-decoder for quantum key distribution including a beam splitter, two reflecting devices with an orthogonal rotation of polarization optically coupled with the beam splitter via two arms, and a phase modulator provided on one of the two arms. The reflecting devices including a polarization beam splitter having an input and two output ports, and coupled to a corresponding arm via the input port, the output ports optically coupled to each other via a polarization maintaining optical fiber twisted by 90 degrees such that optical pulses output by the output ports are coupled to an axis of the polarization maintaining optical fiber for transmission. The phase coder-decoder is configured to stably perform interference on input optical pulses with an arbitrary polarization state for coding and decoding purpose.

Phase coder-decoder for quantum key distribution, and corresponding codec apparatus and system

The embodiments of the present application provide a radar-sensing detection method and device based on radar-sensing communication integration. Said method comprises: when being applied to a sending end, determining a position of a receiving end, then sending a beam control signal to the receiving end through a preset beam control request channel, receiving a beam control response signal sent by the receiving end, and sending a first detection result signal to the receiving end in a preset reservation channel. The embodiments of the present application can expand the detection range of an autonomous vehicle.

Detection method and device based on sensing-communication integration

A display substrate includes a plurality of sub-pixels. The display substrate further includes: a base substrate; a plurality of temperature sensors disposed on a first side of the base substrate; and a light-shielding layer disposed on a peripheral side, a side proximate to the base substrate, and a side away from the base substrate, of a temperature sensor in the temperature sensors. The temperature sensor is configured to detect a temperature of at least one of the plurality of sub-pixels. The light-shielding layer is configured to shield light emitted to the temperature sensor.

Display substrate and method of manufacturing the same, and display device

A display panel includes a display layer, a photosensitive layer and an infrared mask. The display layer is configured to display an image, the display layer has light-transmitting portions, and the light-transmitting portions are configured to transmit infrared light. The photosensitive layer is disposed on a side of the display layer. The infrared mask is disposed on a side of the photosensitive layer proximate to the display layer, the infrared mask has hollowed-out regions, the hollowed-out regions are configured to make the infrared mask have a preset pattern, and a region in the infrared mask except the hollowed-out regions is configured to prevent transmission of the infrared light. The photosensitive layer is configured to receive infrared light passing though the hollowed-out regions and the light-transmitting portions, and convert the infrared light into an image signal.

Display panel and manufacturing method therefor, and electronic device and imaging method therefor

Growing community of inventors

Beijing, China

Ping Zhang