Abstract: A quality of service (QoS) class indicator (QCI) structure is provided, wherein the QCI structure is arranged to control communication in a communication network and to classify data flows in the communication network, and wherein the QCI structure comprises: an identifier of a provider of an industry vertical and/or of a service in the communication network; and a QoS parameter set for the provider of the industry vertical and/or of the service. A QoS central controller is configured to manage QoS classes in the communication network according to the QCI structure. Each one of one or more QoS sub-network controllers is arranged to configure devices in a respective sub-network of the communication network according to the QCI structure.

Abstract: A method of unlocking an electronic device, an unlocking device and system and a storage medium are provided. The method includes: acquiring at least one image to be authenticated, in which the image to be authenticated is an RGB image or an infrared image; obtaining an RGB image authentication result of the image to be authenticated by RGB object authentication of the image to be authenticated in a case where the image to be authenticated is the RGB image, and obtaining an infrared image authentication result of the image to be authenticated by infrared object authentication of the image to be authenticated in a case where the image to be authenticated is the infrared image; and determining whether to unlock the electronic device according to at least one of the RGB image authentication result and the infrared image authentication result.

Abstract: In one aspect, a method includes receiving a sequence of images of a subject, the sequence captured by an image acquisition device over a time period in which relative locations of the image acquisition device varies with respect to the subject. A first image and a second image are selected from the first sequence of images. The first and second images represent a first relative location and a second relative location, respectively, of the image acquisition device with respect to the subject. A three-dimensional representation of the first subject is generated using the first image and the second image as a stereo pair. It is determined, based on the first three dimensional representation, that the first subject is an alternative representation of a live person, and in response, access to a secure system is prevented.

Abstract: A method for blockchain-based data verification is provided. The method includes: obtaining target data submitted by a data submitter, wherein a first data digest of the target data is recorded in a blockchain; computing a second data digest of the target data; determining whether the second data digest matches the first data digest of the target data recorded in the blockchain; and determining that the target data submitted by the data submitter is valid in response to determining that the second data digest matches the first data digest of the target data recorded in the blockchain.

Abstract: This application provides a signal transmission method and system, and relates to the field of communications technologies. The system includes an equalization module, a first decoder, and a feedback module. The equalization module includes at least two multi-symbol detectors. The feedback module is connected to the first decoder and the at least two multi-symbol detectors. The equalization module performs equalization processing on convolutional data flows to obtain an equalized data flow. In this process, each multi-symbol detector performs multi-symbol detection processing on a convolutional data flow input into the multi-symbol detector. The first decoder decodes the equalized data flow to obtain a decoded data flow. The feedback module feeds back a feedback data flow to the at least two multi-symbol detectors. The equalization module performs equalization processing on the convolutional data flows based on the feedback data flow.

Abstract: A method of controlling a motor includes determining a first motor controlling parameter measurement based on a signal received from a position sensor, determining a second motor controlling parameter based on one or more motor electrical parameters, and controlling operation of the motor based on at least one of the first motor controlling parameter measurement or the second motor controlling parameter measurement.

Abstract: In the embodiments of the present invention, a transmit optical signal includes a reference optical signal and a quantum optical signal, optical splitting processing and coherent coupling are performed on the transmit optical signal by using a local oscillator optical signal to obtain at least two coherently coupled optical signals, and then optical-to-electrical conversion and amplification are separately performed on a first coherently coupled optical signal that includes the reference optical signal and a second coherently coupled optical signal that includes the quantum optical signal, to obtain a first electrical signal and a second electrical signal. Then, phase frequency information between the local oscillator optical signal and the reference optical signal is obtained from the first electrical signal, and an original key is recovered from the second electrical signal based on the phase frequency information.

Abstract: The present invention discloses an evaporation source heating system including a vacuum heating container, a first heating source disposed around an outer peripheral surface of the heating container and a soaking layer disposed in the heating container, and the soaking layer is disposed opposite to an inner wall of the heating container so as to uniformly transmit heat emitted from the inner wall of the heating container. The present invention provides the soaking layer in the heating container of the evaporation source heating system, on one hand, a risk of material crack caused due to exorbitant local temperature is avoided, and on the other hand, heating uniformity is also improved. In addition, by heating the soaking layer in the heating container, time needed for realizing uniform heating is sharply shortened, and a heating state of the system is also real-time controlled more conveniently.

Abstract: A battery assembly and an electronic cigarette are provided. The battery assembly includes a housing, a battery cell located in the housing, a upper mounting seat slidably disposed on the housing, an elastic member and an electrode contact are located within the housing, and the housing is provided with an atomizer interface, the electrode contact is disposed on the upper mounting seat, the electrode contact and the upper mounting seat are disposed between the atomizer interface and the battery cell, and the elastic member elastically resists the upper portion a mounting seat, the electrode contact is separated from the positive electrode or the negative electrode of the battery cell by an elastic force of the elastic member, and the electrode contact contacts with the positive electrode or the negative electrode of the battery cell by overcome the elastic force of the elastic member under an external force.

Abstract: A video recommending system includes a virtual reality device and a server. The virtual reality device includes a brainwave sensor and a processor. The brainwave sensor is configured to acquire a first brainwave data. The processor is coupled to the brainwave sensor, and is configured to receive the first brainwave data. The server is coupled to the virtual reality device. The server is configured to generate a recommending list according to a first emotion data corresponding to the first brainwave data, and to transmit the recommending list to the virtual reality device, wherein the recommending list includes a plurality of video lists for the virtual reality device to play at least one video of the video lists.

Abstract: The application relates to a pixel compensation method, a pixel compensation circuit and a display device. The pixel compensation method includes: recording a working time of a display device and determining gate and source voltages of a TFT in an active area within the working time; finding a voltage compensation value from a look-up table according to the working time and the gate and source voltages; and performing voltage compensation to a scan signal according to the voltage compensation value. The gate and source voltages in a time period of the display device are counted, the pre-stored look-up table is searched according to voltage statistical values of gate, source and drain to determine voltage adjustment values for adjusting voltage values of the scan signal, so that a problem of image ghost or flicker in the display device caused by the drift of I-V characteristic curve is overcome consequently.

Abstract: One example method includes receiving first indication information through a higher layer signaling, the first indication information indicating an available codebook subset, receiving downlink control information, determining a precoding matrix corresponding to a transmission precoding matrix indicator (TPMI) and a transmission rank obtained from the downlink control information, where the precoding matrix belongs to the available codebook subset indicated by the first indication information, precoding a signal based on the determined precoding matrix, and sending the precoded signal to a network device.

Abstract: The disclosed systems, structures, and methods are directed to a method for determining a set of N optimal coefficients to be supplied to an equalizer, the equalizer being employed in at least one of a serializer and a deserializer, the method comprising: receiving N different parameters, searching an initial set of N coefficients on an N-dimensional performance surface, in accordance with a genetic algorithm, wherein the N-dimensional performance surface corresponds to various coefficients in the N parameters, and fine tuning the initial set of N coefficients to provide the set of N optimal coefficients, in accordance with a gradient descent algorithm.

Abstract: A method of liquid assisted binding is provided. The method includes: forming a conductive pad on the substrate; placing a micro device on the conductive pad, such that the micro device is in contact with the conductive pad in which the micro device comprises an electrode facing the conductive pad; forming a liquid layer on the micro device and the substrate after said placing, such that a part of the liquid layer penetrates between the micro device and the conductive pad, and the micro device is gripped by a capillary force produced by said part of the liquid layer; and evaporating the liquid layer such that the electrode is bound to the conductive pad and is in electrical connection with the conductive pad.

Abstract: A video coding block is intra-predicted on the basis of a plurality of primary reference samples from a first set of neighboring video coding blocks. A fitting plane is determined on the basis of the plurality of primary reference samples and defines a plurality of fitting samples. For a selected directional intra prediction mode, a plurality of secondary reference samples are generated on the basis of the plurality of primary reference samples and the plurality of fitting samples. The secondary reference samples are located in a second set of neighboring video coding blocks. The sample values of the current video coding block are predicted on the basis of the plurality of primary reference sample values and the plurality of secondary reference sample values.

Abstract: A method for moving an optical device of an imaging device includes one or more depth sensors acquiring one or more depth measurements within a predefined spatial coordinate system. Each of the one or more depth measurements indicates a distance from the imaging device to an object within the predefined spatial coordinate system. The method further includes one or more orientation sensors determining orientation information of the imaging device within the predefined spatial coordinate system, estimating an object distance between the imaging device and the object based on the one or more depth measurements and the orientation information, and moving the optical device from a first position to a second position according to the object distance and a focal length of the optical device.

Abstract: Implementations of this disclosure provide for certificate application operations. An example method includes sending, from a terminal device, a subscription topic name to a gateway to establish a data transmission channel between the terminal device and the gateway; receiving by the terminal device, via the data transmission channel, a certificate installation instruction from a certificate server; generating, by the terminal device, a user certificate request based on the certificate installation instruction; sending the user certificate request to the certificate server; and receiving, via the data transmission channel, a user certificate from the certificate server.

Abstract: There are provided a method, a system and a device for calibrating a frequency of a driving voltage waveform for a linear resonance device. An actual sampling frequency is continuously corrected, so that a difference between a measured natural frequency of the linear resonance device obtained during a calibration process and a frequency of a standard driving voltage waveform stored in a driving chip for the linear resonance device is in a predetermined range. The driving chip outputs a driving waveform at a finally corrected actual sampling frequency, to drive the linear resonance device. Further, only an actual sampling frequency is required to be adjusted, and it is not required to modify waveform data stored in the driving chip for the linear resonance device.

Abstract: System and methods are disclosed in which pilots are used to assist in identifying grant-free uplink transmissions originating from the same UE. In one embodiment, a base station receives a grant-free uplink transmission that carries initial data from a user equipment and an initial pilot. The initial pilot is successfully decoded and the initial data is unsuccessfully decoded. The successfully decoded initial pilot and the unsuccessfully decoded initial data are stored in memory. Another grant-free uplink transmission carrying retransmission data from the user equipment and a retransmission pilot is then received. The retransmission pilot is successfully decoded and used to identify the successfully decoded initial pilot in the memory and the unsuccessfully decoded initial data. The retransmission data and the unsuccessfully decoded initial data are used to successfully decode the initial data.