Huawei Technologies Co., Limited

Future Wei Technologies, Inc.

Shanghai Micro Electronics Equipment (group) Co., Ltd.

Sf Motors, Inc.

Other

Accelink Technologies Co., Ltd.

Shanghai Micro Electronics Equipment Co., Ltd.

Chinese Academy of Sciences

Successfactors, Inc.

Chongqing Jinkang New Energy Automobile Co., Ltd.

Intel Corporation

Advanced New Technologies Co., Ltd.

China Petroleum & Chemical Corporation

Huazhong University of Science and Technology

Wuhan University

Fan Wang

Zhenfei Tang

Hao Tang

Fredrik Berggren

Jinlin Peng

Xueli Ma

Zhe Liu

Junchao Li

Xiaolong Zhang

Branislav M Popovic

Yifan Tang

Zhang Zhang

Guohua Zhou

Xinxian Li

Yi Bin Wang

Li Zhang

Chuanfeng He

Javad Abdoli

Yi Qin

Xinghua Song

Peng Zhang

Jialing Liu

Xiaoxiao Zheng

Ming Zhang

Bingzhao Li

Ting Wang

Hongping Zhang

Yuanjie Li

Lei Zhang

Zukang Shen

Wei Zhang

Liang Xia

Ying Huang

Xiaolei Tie

Zhongfeng Li

Kai Zhang

Yinggang Du

Jie Li

Carmela Cozzo

Meng Hua

Hua Li

Feng Yu

Yong Wang

Yi Wang

Shurong Jiao

Lingli Pang

Bo Xu

Tao Ouyang

Yuanzhou Hu

Xiaoshu Si

Wenying Xu

Hailiang Lu

Dongdong Wei

Wenxiong Wei

Rui Yang

Zhilin Yuan

Jinping Guo

Yuhong Ma

Ke Huang

Pengli Zhang

Mengying Ding

Anahid Robert Safavi

Wen Kang Xu

Yukching Leung

James Jeng Chen

Syed Rahman

Honghai Zhang

Ao Shen

Yongzhao Cao

Zhi Bin Li

Pablo Soldati

Quanzhong Gao

Peter Legg

Wenwen Huang

Yueying Zhao

Liu Yang

Yansong Li

Shuri Liao

Meng Wang

Xiangzhao Wang

Xiaofeng Ye

Heng Yu

Huan Zhou

Yi Hu

Yuyin Wang

Bing Wu

Hao Lei

Kai Yu

JinPeng Hu

Juan Chen

A heart rate detection module and an electronic device are disclosed. The heart rate detection module includes a substrate, and a light source, an optical receiver, a light blocking portion, and an optical film that are disposed on the substrate. The light blocking portion is disposed between the light source and the optical receiver, so that the light source is optically isolated from the optical receiver. The optical film covers the light source, the light blocking portion, and the optical receiver, and a light filtering portion is disposed on a side that is of the optical film and that faces the substrate.

Heart rate detection module and electronic device

A communication method includes receiving first data from a network device or a terminal device, and demapping the first data based on a first frequency hopping pattern. The first frequency hopping pattern is one of K candidate frequency hopping patterns. One candidate frequency hopping pattern in the K candidate frequency hopping patterns includes L frequency hopping portions. At least two candidate frequency hopping patterns in the K candidate frequency hopping patterns include a same frequency hopping portion, K is an integer greater than 1, and L is an integer greater than 1.

Communication method and apparatus

A method for preparing a high viscosity index poly-α-olefin subjects α-olefin to a polymerization reaction in the presence of a metallocene catalyst to obtain a poly-α-olefin. The polymerization reaction is carried out in the absence of a solvent, and the metallocene catalyst is formed of, or is formed by interaction between, a metallocene compound and an activator.

Method for preparing high viscosity index poly-alpha-olefin

A method includes: obtaining a first sequence, where the first sequence includes T first subsequences; determining T encoding vectors based on the T first subsequences; generating T second subsequences based on one or more codebooks and the T encoding vectors, where each first subsequence corresponds to one column vector group in the one or more codebooks, and a column vector group corresponding to at least one of the T first subsequences includes at least two column vectors; and sending the T second subsequences.

Data transmission method and apparatus

This application provides a keyboard apparatus. The keyboard module is stacked on the base and is in sliding fit with the base. The first plate is rotatably connected to one end of the base, where a first rotating part is formed between the first plate and the base. The second plate is rotatably connected to one end of the first plate that is away from the base. A second rotating part is formed between the second plate and the first plate. The third plate is rotatably connected to one end of the keyboard module that is close to the first plate, and is fastened to the second plate. The third plate is configured to carry a tablet device, where a third rotating part is formed between the third plate and the keyboard module. At least one of the rotating parts of the keyboard apparatus is provided with a damping structure.

Keyboard apparatus and terminal

A signal sending method and apparatus, to improve channel estimation performance are provided. A reference signal is sent on one or more consecutive symbols, and modulation data is sent on an adjacent symbol previous to the one or more consecutive symbols in time domain and an adjacent symbol next to the one or more consecutive symbols in time domain. A sum of the modulation data carried in the symbol previous to the one or more consecutive symbols and the modulation data carried in the symbol next to the one or more consecutive symbols is zero or the modulation data is the same. According to the application, after time-domain filtering, the reference signal is not interfered with by the adjacent modulation data, so that channel estimation performance can be ensured.

Signal sending method, signal receiving method, and apparatus

Embodiments of this application provide a method for processing information bits in a wireless communication network. A communication device receives a radio resource control (RRC) signaling, wherein the RRC signaling comprises time window information and time unit format information, wherein the time window information comprises a hybrid automatic repeat request (HARQ) time sequence K1 set, wherein K1 is a time relationship between a time unit of a physical downlink shared channel (PDSCH) and a time unit of a physical uplink control channel (PUCCH), or wherein the K1 is a time relationship between a time unit of a (PDSCH) and a time unit of a physical uplink shared channel (PUSCH). The device determines HARQ feedback information based on the time window information and the time unit format information and sends the HARQ feedback information.

Method for determining feedback information, terminal device, and network device

The present disclosure provides example communication methods and example communication apparatuses for non-coherent transmission. One example communication method includes determining Pfirst symbols based on a first to-be-modulated bit, where P=M×N, Nis a quantity of resource units used to carry the Pfirst symbols, M is a positive integer, and Nis an integer greater than 1. Psecond symbols are determined based on a second to-be-modulated bit, where P=M×N, and Nis an integer greater than 1. Pthird symbols are determined based on the Pfirst symbols and the Psecond symbols, where P=M×N, Nis a quantity of resource units used to carry the Pthird symbols, and Nis less than or equal to N. The Pfirst symbols and the Pthird symbols are sent.

Communication method and communication apparatus

This application discloses a carrier switching solution for multi-carrier communication. A network device sends configuration information to a terminal. The configuration information includes first uplink carrier information and second uplink carrier information. The first uplink carrier information indicates that a first uplink carrier is an SRS switching-from uplink carrier. The second uplink carrier information indicates that a second uplink carrier is an SRS switching-to uplink carrier. At least one of the first uplink carrier and the second uplink carrier belongs to a cell including a supplementary uplink (SUL) carrier. The terminal may determine the SRS switching-from uplink carrier and the SRS switching-to uplink carrier in a plurality of configured uplink carriers based on the configuration information.

Carrier switching method, apparatus, and system for multi-carrier communication

A wavelength selective switch, including: an optical fiber array, an optical signal processing device and an output selection device. The optical fiber array includes multiple dual-core optical fibers arranged in parallel, one dual-core optical fiber being used for inputting two optical signals; the optical signal processing device is located at an output end of the optical fiber array and is used for splitting the two optical signals into sub-signals of different wavelengths and projecting the sub-signals of different wavelengths to different spectral band regions in the output selection device; and the output selection device is located at the rear end of the optical signal processing device, and is used for processing the sub-signals projected to the spectral band regions, so as to respectively perform output selection on the sub-signals split from two optical signals, thereby achieving a dual-switch function.

Wavelength selective switch

A high-speed stereo 3D multimodal imaging system including a beam splitter, a pair of mirrors, a tight focus lens, a microscope stage, an imaging lens, a large area array detector, and a true 3D imaging module is provided. The beam splitter is configured to generate near-infrared ultrafast pulsed laser sub-beams with different angles. The mirrors respectively reflect the beams. The tight focus lens tightly focuses the beams onto a 3D micro-nanoscale sample, which can be carried and three-dimensionally displaced by the microscope stage. The imaging lens collects signals generated due to scattering of the tightly focused beams that are irradiated onto the sample so as to obtain two 2D images. The large area array detector simultaneously detects the two 2D images so that the true 3D imaging module can perform a true 3D imaging according to the detected 2D images. A high-speed stereo 3D multimodal imaging method is also provided.

High-speed stereo 3D multimodal imaging system and method

Embodiments of this application provide a non-coherent data transmission method and a communication apparatus. In the method, a transmit end device determines, in a first constellation, a first constellation point corresponding to first to-be-modulated bits, where the first constellation point corresponds to P first symbols, P=M*N, M is a positive integer, and N is an integer greater than 1; and sends the P first symbols on N resource units by using M antenna ports, or sends P second symbols determined based on the P first symbols, and foregoes sending demodulation reference signals of the P first symbols or the P second symbols. In the method, a constellation is designed, and each constellation point in the constellation corresponds to a plurality of resource units so that data can be transmitted with no need to transmit a reference signal, and only the data needs to be transmitted.

Data transmission method and communication apparatus

The present disclosure relates to the field of communications technologies, and discloses a channel quality information determining method, an apparatus, and a system. The method may include: a terminal device obtains a configured TBS, and/or determines channel quality information of each of K segments of frequency domain resources based on the configured TBS and/or a time domain resource range. A frequency domain resource of the terminal device may be divided into N segments, where both N and K are integers greater than or equal to 1, and K is less than or equal to N. In some embodiments, the configured TBS may be fully considered when the channel quality information is determined, so that a network device properly may determine, based on the channel quality information, a frequency domain resource used to transmit a data packet.

Channel quality information determining method, apparatus, and system

A photodarkening-resistant ytterbium-doped quartz optical fiber and a method for prpearing such a fiber are provided. Glass of a photodarkening-resistant ytterbium-doped quartz optical fiber core rod includes at least YbO, AlO, PO, SiO. The proportions of YbO, AlO, and POin the entire substance are YbO: 0.05-0.3 mol %, AlO: 1-3 mol %, and PO: 1-5 mol %, respectively. In the preparation method for the photodarkening-resistant ytterbium-doped quartz optical fiber, a sol-gel method and an improved chemical vapor deposition method are combined. By using the molecular-level doping uniformity and the low preparation loss thereof respectively, ytterbium ions, aluminum ions and phosphorus ions are effectively doped in a quartz matrix, thereby effectively solving the problems in the optical fiber of high loss, photodarkening caused by cluster or the like, and a central refractive index dip.

Photodarkening-resistant ytterbium-doped quartz optical fiber and preparation method therefor

A communication method and apparatus the method including generating indication information, and sending the indication information to a terminal, wherein the indication information indicates to the terminal to activate a first frequency domain resource pair comprising an uplink frequency domain resource and a downlink frequency domain resource, wherein the uplink frequency domain resource is associated with the downlink frequency domain resource, wherein the uplink frequency domain resource and the downlink frequency domain resource have a same center frequency, wherein the uplink frequency domain resource and the downlink frequency domain resource are bandwidth parts on a carrier, wherein the bandwidth parts each have a bandwidth that is smaller than a bandwidth of the carrier, and wherein the first frequency domain resource pair is in a deactivated state when the indication information is sent.

Communication method and communications apparatus

Growing community of inventors

Shanghai, China

Fan Wang