Boe Technology Group Co., Ltd.

Beijing Boe Optoelectronics Technology Co., Ltd.

Schlumberger Technology Corporation

Tsinghua University

Beijing Xiaomi Mobile Software Co., Ltd.

Nec (china)co., Ltd.

Shandong Provincial Communications Planning and Design Institute

Nokia Corporation

Chengdu Boe Optoelectronics Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Beijing Travelrely Software Technologies Co., Ltd.

Kai Zhao

Jing Wang

Yifei Zhang

Yu Gu

Hongli Ding

Hongtao Guan

Zhongcheng Gui

Yue Li

Wei Deng

Wei Liu

Weitao Chen

Paul Bolchover

Dongsheng Huang

Tailiang Li

Yi Bian

Guangjun Qiao

Pan Ni

Depeng Jin

Yufeng Bi

Lingfeng Xu

Changjian Hu

Weiling Wu

Tao Mu

Hong Wang

Hao Wang

Xitong Ma

Lu Yu

Hui Li

Yan Zhang

Geoffrey Charles Downton

Jingtao Xu

Lei Song

Steven G Villareal

Shuo Chen

Tong Liu

Shuai Liu

Tao Yu

Junmin Sun

Enhui Guan

Xinyi Cheng

Hui Huang

Qi Yang

Lei Xiao

Haifeng Li

Riadh Boualleg

Xinxin Mu

Xianzhen Li

Hu Wang

Maja Ignova

Shuang Yin Liu

Hongyan Pei

Li Huang

Min Zhao

Lu Tong

Haijun Su

Li Su

Ling Li

Zhichao Li

Baoyu Shi

Katharine L Mantle

Yungchiang Lee

Chuanyi Ma

Genyu Liu

Yang Yuan

Jia Yao

Lijuan Huang

Shou Ye

Zhen Tu

Pengfei Zhou

Peiyang Fang

Huajun Pang

Yiwu Li

Jianhui Zheng

Ying Chang

Xiaobin Xu

Xiaoming Shao

Qijun Wang

Gaoling Zhang

Xuan Wen

Zhonglong Chen

Qinyuan Chu

Likun Qiu

Jean Marie Degrange

Miroslaw Magiera

Yann Trevelot

Hongze Zhao

A method can include acquiring drilling performance data for a downhole tool; modeling drilling performance of the downhole tool to generate results; training a machine learning model using the drilling performance data and the results to generate a trained machine learning model; and predicting behavior of the downhole tool using the trained machine learning model.

Drilling system

Provided is a terminal including a receiver and a processor. The receiver is configured to output a trigger signal in response to receiving a destination address in a data packet; and the processor is configured to, in response to detecting the trigger signal, control the receiver to stop receiving the data packet, in the case that the destination address is not an address of the terminal.

Terminal, communication system, communication method and storage medium

A positioning method includes acquiring configuration information from a ranging data frame structure. The configuration information includes a time offset. The time offsets of at least two different positioning devices differ from on another. The method includes determining a time domain position of a first time unit in the ranging data frame according to the time offset and sending a ranging message on the first time unit to a plurality of anchor devices within a preset range of the positioning device, the ranging message being used by a server to determine a position of the positioning device according to differences in times at which the ranging message is received by each of the plurality of anchor devices.

Positioning method and apparatus, and storage medium

The present disclosure provides a communication method, an Internet of Things (IoT) terminal, a gateway device and an IoT system. A timestamp and a mask are used for operation, and a key is searched from a key table based on an operation result, such that the key can be dynamically generated based on changes of the timestamp without human intervention. Thus, the security of the IoT system is effectively improved without significantly increasing the computational consumption.

Communication method, internet of things terminal, gateway device and internet of things system

A method for rejoining a network after network disconnection of a mobile terminal and related devices are provided. The method includes: a gateway determining whether to disconnect from a target mobile terminal; if yes, feeding back network disconnection information of the target mobile terminal to a server; receiving a supplementary broadcast frame instruction sent by the server; and the gateway sending a supplementary broadcast frame according to the supplementary broadcast frame instruction.

Method for rejoining network after network disconnection of mobile terminal and related devices

A data processing method includes: acquiring first image data including pixel values that are arranged consecutively and divided into data blocks, each data block occupying one byte and including at least one pixel value; and compressing, according to at least one compression parameter, at least one data set to be compressed in the first image data into a corresponding compression unit, so as to obtain second image data including the compression unit. The data set to be compressed includes at least two data groups arranged consecutively and identical. Each data group includes a single data block or at least two data blocks arranged consecutively. The at least one compression parameter includes a first length configured to represent the number of at least one data block in a data group. The compression unit includes one data group and a second length configured to represent the number of data groups.

Data processing methods and systems, and electronic devices

A method for assigning channels based on an Internet of Things (IoT) system includes: assigning a first channel to a first gateway, wherein the first gateway is any one of a plurality of gateways; sending a broadcast instruction to the first gateway, wherein the broadcast instruction is configured to instruct the first gateway to send broadcast information on the first channel; acquiring a set of first monitoring information, wherein the set of first monitoring information includes at least one piece of first monitoring information, which includes the broadcast information monitored on the first channel, and the first monitoring information comes from neighboring gateways of the first gateway; determining, based on the set of first monitoring information, a second gateway from the neighboring gateways of the first gateway; and assigning a second channel different from the first channel to the second gateway.

Assigning channels to gateways based on IoT system

A data interaction method includes: acquiring UWB positioning signals transmitted by at least three UWB positioning base stations, where one of the at least three UWB positioning base stations is a reference positioning base station; and determining a relative position of the mobile terminal with respect to the reference positioning base station based on the UWB positioning signals.

Data interaction method, device, system, and mobile terminal

This document discloses a method and device for implementing secure communication, and a storage medium. The method for implementing secure communication includes: encrypting first information and second information of a data packet respectively to generate an encrypted message; wherein, a region in which the encrypted first information is located is a first encrypted region, and a region in which the encrypted second information is located is a second encrypted region; the first information is used for a receiving device to determine whether to acquire the second information; and sending the encrypted message.

Method and device for implementing secure communication, and storage medium

The disclosure provides a method, a device and a system for encrypting interactive data. In an aspect, the method includes: receiving a request for accessing a network from a terminal device, the request includes a device identifier of the terminal device; generating a random encryption code according to the device identifier; and feeding back the random encryption code to the terminal device so that the terminal device encrypts interactive data using the random encryption code after accessing the network. In another aspect, the method includes: transmitting a request for accessing a network to a gateway device, the request includes a device identifier of a terminal device; receiving a random encryption code fed back by the gateway device, the random encryption code is information for encrypting interactive data during the terminal device accessing the network; and encrypting interactive data with the random encryption code.

Method, device and system for encrypting interactive data

The present application discloses a method of controlling a rear-view mirror for a vehicle. The method includes determining a gaze position and a gaze direction of a user; and controlling the rear-view mirror based on the user's gaze position and gaze direction.

Vision-based interactive control apparatus and method of controlling rear-view mirror for vehicle

The present disclosure provides a communication system, a gateway device, a terminal device and a communication method. The communication method includes: receiving, by a terminal device, a first packet from a gateway device, the first packet including a first preamble; transmitting, by the terminal device, a second packet to the gateway device, the second packet including a second preamble, a length of the first preamble is greater than a length of the second preamble.

Communication system, gateway device, terminal device and communication method for reducing power consumption

A positioning method, a positioning device, a positioning system, a storage medium, and a construction method for an offline map database. The positioning method includes: obtaining a current image information, and extracting a visual feature in the current image information; matching the visual feature in the current image information with a key frame in an offline map database, and determining a candidate key frame similar to the visual feature in the current image information, wherein the offline map database is generated based on a global grid map and a visual map; and determining a pose corresponding to the candidate key frame, and converting the pose to coordinate values.

Positioning method, positioning apparatus, positioning system, storage medium, and method for constructing offline map database

A method for determining a battery state of charge (SOC) includes: determining a basic SOC of a battery of a terminal apparatus at a current time; determining rated and maximum power consumption parameters of the terminal apparatus in a time period between the current time and a reference time previous thereto; determining a reference SOC at the current time based on the rated power consumption parameter and an actual SOC at the reference time; determining a minimum SOC at the current time based on the maximum power consumption parameter and the actual SOC at the reference time; and judging whether the basic SOC is between the minimum SOC and the actual SOC at the reference time or not, and if yes, determining the basic SOC as an actual SOC at the current time, and if not, determining the actual SOC at the current time based on the reference and basic SOC.

Terminal apparatus, and method and device for determining battery state of charge

A method for positioning an intelligent terminal apparatus comprises: acquiring data points scanned by a position detection device in the intelligent terminal apparatus at the current position of the intelligent terminal apparatus; converting valid data points into segment features to obtain a first set of segment features; and converting point features in an established map of the intelligent terminal apparatus into segment features to obtain a second set of segment features; selecting, from the first and second set of segment features, segments having the same position relationship respectively to form a first and a second candidate subset of the first and the second set of segment features respectively; and determining a transformation matrix that matches the first candidate subset to the second candidate subset, and identifying the current position and the orientation angle of the intelligent terminal apparatus in the established map based on the transformation matrix.

Method and device for positioning intelligent terminal apparatus, as well as intelligent terminal apparatus associated therewith

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Beijing, China

Kai Zhao