This application discloses a data transmission method. The method includes: performs bit multiplexing to obtain a plurality of third data streams based on a plurality of first data streams and a plurality of second data streams, where the first data stream and the second data stream belong to different virtual lane groups; and transmits the plurality of third data streams to a second module, to enable the second module to obtain a plurality of fourth data streams based on the plurality of third data streams, where any fourth data stream is obtained by performing bit multiplexing on any second quantity of third data streams in the plurality of third data streams. Bit multiplexing is performed on the obtained data streams, so that the method can improve a transmission rate of the data stream and reduce a frame loss ratio of a system.
A mobile device communicates wirelessly with an annotation device and a to-be-annotated electronic device. The mobile device includes a processor, a memory, a UWB tag, a direction sensor, and a computer program stored in the memory, and when the computer program executed by the processor, the mobile device is enabled to perform: receiving a first input after the mobile device moves to a location of the electronic device; recording a location of the mobile device in response to the first input, where the location of the mobile device is the location of the electronic device; and popping up a first control window for the electronic device after the mobile device moves to another location and points to the electronic device. According to this application, the mobile device can control, by using the annotation device, an electronic device on which no UWB chip is installed.
H04M 1/72415 - User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories for remote control of appliances
H04M 1/72457 - User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to geographic location
H04W 4/02 - Services making use of location information
5.
CONTROL INFORMATION SENDING METHOD, CONTROL INFORMATION RECEIVING METHOD, APPARATUS, AND STORAGE MEDIUM
This application discloses a control information sending method, a control information receiving method, an apparatus, and a storage medium, applied to a communication system. The control information sending method includes: sending at least one piece of downlink control information and a corresponding downlink physical shared channel, where the downlink control information carries a count sequence number; and receiving feedback information from user equipment, where the feedback information includes DCI miss-detection information, the count sequence number indicates an accumulated quantity of uplink control information, the uplink control information corresponds to a downlink physical shared channel scheduled by using the downlink control information, and the uplink control information is used to transmit the feedback information.
H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
An electronic device includes an antenna structure having an antenna radiator, a first circuit, a first feeding element, and a second feeding element. The first circuit comprises feeding input ports configured to input electrical signals of the first feeding element and the second feeding element, and feeding output ports configured to feed processed electrical signals to the antenna radiator. The electrical signal of the first feeding element has a same phase on the feeding input ports. The electrical signal of the second feeding element has opposite phases on the feeding input ports.
H01Q 1/24 - Supports; Mounting means by structural association with other equipment or articles with receiving set
H01Q 5/321 - Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
H01Q 5/335 - Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
7.
Method and Apparatus for Identification of RedCap UEs
A user equipment (UE) may determine, based on a criterion, whether to indicate, to a gNB, that it is a reduced capability (RedCap) UE during or after a random access (RA) procedure, and indicate that it is the RedCap UE during or after the RA procedure according to a determination result. The RedCap UE has a reduced quantity of receive branches or a reduce bandwidth than a non-RedCap UE. The gNB may determine whether a first message received during the RA procedure indicates that the UE is the RedCap UE. When the first message indicates the UE as the RedCap UE, the gNB sends a second message to the UE during the RA procedure using a coverage recovery technique. When the first message does not indicate the UE as the RedCap UE, the gNB determines whether the UE is the RedCap UE after the RA procedure is completed.
Embodiments of this application provide a packet transmission method and apparatus, and relate to the field of communication technologies. When the packet transmission method is applied, a first packet may be determined by using a first device, where packet fields of the first packet include an authentication identifier field, an authentication code field, and at least one candidate authentication field, and the authentication identifier field indicates a field that is in the at least one candidate authentication field and that corresponds to the authentication code field; and then the first packet is sent.
A communication method and apparatus are provided. The method includes: A home network security endpoint receives a first request from user equipment, where the first request includes a first identifier of the user equipment. The home network security endpoint then send a second request to a first network function, where the second request includes a second identifier of the user equipment, and receive a first key from the first network function, where the first key is generated based on a cipher key, an integrity key, and a name of a serving network of the user equipment. The home network security endpoint may generate a second key based on the first key, where the second key includes an encryption protection key and/or an integrity protection key.
The present disclosure relates to priority flow control (PFC) storm detection and processing methods. In one example method, a first network node performs PFC detection on a first port queue of a first port, and determines that a first preset condition is met. The first preset condition includes: detection is performed in N consecutive first time segments, when the detection is performed in each first time segment, a quantity of first PFC frames sent by the first port queue to a second network node is greater than a first threshold, and a quantity of one or more data packets received by the first port queue from the second network node is less than a second threshold. The first PFC frame is used to indicate the second network node to suspend sending all data flows in the first port queue, and N is a positive integer.
According to various embodiments, a wireless communication device divides a plurality of transmission beams into one or more groups of transmission beams including at least a first group of transmission beams. The wireless communication device determines a first sensing beam requirement for the first group of transmission beams. The wireless communication device determines a first sensing beam and a first scale factor so that the first sensing beam satisfies the first sensing beam requirement scaled by the first scale factor. The first sensing beam is selected from a set of candidate sensing beams. The wireless communication device performs a first Clear Channel Assessment (CCA) using the first sensing beam and a first energy detection threshold (EDT), the first EDT determined in accordance with the first scale factor.
H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
12.
HEAD-MOUNTED WIRELESS HEADSET AND COMMUNICATION METHOD THEREOF
Embodiments of this application disclose a head-mounted wireless headset and a communication method thereof, and relate to the communication field. A specific solution is as follows: The head-mounted wireless headset includes: a first headphone, including: a first short-range wireless communication chip and a first radio frequency antenna, where the first short-range wireless communication chip is coupled to the first radio frequency antenna; a second headphone, including: a second short-range wireless communication chip and a second radio frequency antenna, where the second short-range wireless communication chip is coupled to the second radio frequency antenna; and a data bus, separately connected to the first short-range wireless communication chip and the second short-range wireless communication chip, and configured to provide a physical link required for communication between the first short-range wireless communication chip and the second short-range wireless communication chip.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A terminal device receives a reference signal from a first cell, where time domain resources occupied by the reference signal are fewer than total time domain resources occupied by a synchronization signal block (SSB) of the first cell and system information (SI) of the first cell. The terminal device sends a wake-up signal (WUS) to the first cell, where the wake-up signal is used to wake up the first cell to send the SSB and/or the SI. In this way, the terminal device can quickly access the cell, to reduce a delay of accessing the cell by the terminal device, and improve communication performance. The time domain resources occupied by the reference signal are fewer than the total time domain resources occupied by the SSB of the first cell and the SI of the first cell.
An optical phased board includes a plurality of optical waveguide layers and a plurality of isolation layers. Each optical waveguide layer includes a plurality of optical waveguides, and the optical waveguides are arranged side by side. The optical waveguide layers and the isolation layers are arranged in a superimposed manner, and each isolation layer is located between two adjacent optical waveguide layers. The optical phased board includes a two-dimensional optical waveguide array to perform two-dimensional beam scanning.
G02F 1/29 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
G02F 1/295 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection in an optical waveguide structure
An unlocking method and an electronic device are provided. The method is applied to the electronic device. The electronic device includes a first screen and a second screen that are formed in a screen-folded state. The first screen is an inner screen, the second screen is an outer screen, the first screen has an associated first collection component, and the second screen has an associated second collection component. The method includes: obtaining an unlocking intention; invoking, in response to the unlocking intention, the second collection component to collect identity information of the user, and identifying the identity of the user based on the identity information collected by the second collection component; and unlocking the first screen if the identity of the user is valid and the electronic device meets a condition for using the first screen.
An information recommendation method is provided, and may be applied to a vehicle-mounted terminal. The method includes: obtaining at least one behavioral intention of a user, where the at least one behavioral intention is determined based on historical interaction data between a mobile terminal and the user; presenting recommendation information based on the at least one behavioral intention, where the recommendation information indicates the user to choose from the at least one behavioral intention; and triggering a target function when it is detected that the user selects a target intention in the at least one behavioral intention based on the recommendation information, where the target function is used to implement the target intention. According to the method, interaction costs between the user and the vehicle-mounted terminal can be reduced.
A data transmission controller is configured to generate one or more data transmission packets according to the modified QUIC protocol by generating one or more fields in the one or more data transmission packets to have a fixed field-size and generating a predefined number of frames of different frame-types in a predefined frame-type order in the one or more data transmission packets. The data transmission controller enables hardware Offload variant of the QUIC protocol for efficient hardware implementations of the modified QUIC protocol.
A packet processing method and system, and a network device are disclosed, and belong to the field of network technologies. A first network device sends a first packet to a second network device through a first tunnel, and sends a second packet to a third network device through a second tunnel. The second network device forwards the first packet to the third network device through a third tunnel. The third network device processes the first packet and the second packet. The first network device is located at a first site. The second network device and the third network device are located at a second site. The first site and the second site are connected through a wide area network. Wide area network multipath transmission may be implemented in a multi-gateway scenario.
A heat dissipation apparatus is provided, and the apparatus includes: a heat sink housing including an upper housing and a lower housing. The upper and lowers housing are connected in a sealed manner. A primary PCB is fastened to the upper housing, and the primary PCB and the primary heat dissipation plate of the upper housing are disposed opposite to each other. A chip is fastened to a sub PCB. The sub PCB is electrically connected to the primary PCB by using a flexible conductive component. The sub PCB is connected to the primary PCB or the primary heat dissipation plate by using an elastic support component. The elastic support component is configured to press the sub PCB, to enable the chip to be closely attached to the primary heat dissipation plate of the upper housing. A thermally conductive layer is filled between the chip and the upper housing.
This application disclose an encoding method and apparatus, a decoding method and apparatus, a device, a storage medium, and a computer program, and relate to the field of encoding and decoding technologies. In this method, a first latent variable is scaled based on a first variable scale factor, to obtain a second latent variable, and a quantity of coding bits of an entropy coding result of the second latent variable meets a preset encoding rate condition. This ensures that a quantity of coding bits of an entropy coding result of a latent variable corresponding to each frame of media data can meet the preset encoding rate condition, that is, the quantity of coding bits of the entropy coding result of the latent variable corresponding to each frame of media data can be basically consistent, instead of dynamically changing.
G10L 19/24 - Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
G10L 25/30 - Speech or voice analysis techniques not restricted to a single one of groups characterised by the analysis technique using neural networks
H04N 19/184 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
21.
THREE-DIMENSIONAL AUDIO SIGNAL CODING METHOD AND APPARATUS, AND ENCODER
A three-dimensional audio signal coding method, apparatus, and encoder are described. The method includes, after obtaining a first correlation between a current frame of a three-dimensional audio signal and a representative virtual speaker set for a previous frame, the encoder determines whether the first correlation satisfies a reuse condition, where the first correlation is used to determine whether to reuse the representative virtual speaker set for the previous frame when the current frame is encoded. The method further encodes the current frame based on the representative virtual speaker set for the previous frame when the first correlation satisfies the reuse condition, to obtain a bitstream. A virtual speaker in the representative virtual speaker set for the previous frame is a virtual speaker used for encoding the previous frame of the three-dimensional audio signal.
G10L 19/008 - Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
Embodiments of this application disclose a service paging method, a related device, and a system. The method may include: When a core network device and an access network device perform multicast and broadcast service paging on a terminal device, update and/or security processing are/is performed on an identifier used to identify a multicast and broadcast service each time. The terminal device can determine the multicast and broadcast service based on the identifier on which update and/or security processing are/is performed. In embodiments of this application, the identifier on which update and/or security processing are/is performed is used during multicast and broadcast service paging. In this way, difficulty of tracking the multicast and broadcast service by an eavesdropper can be increased, to improve security of the multicast and broadcast service.
H04W 68/02 - Arrangements for increasing efficiency of notification or paging channel
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
This application provides a method and an apparatus for editing a block chain. The method for editing a block chain includes: A first node receives a request message used to request to edit data, and performs endorsement on the request message to generate an endorsement result. Further, the first node sends the endorsement result to each of at least one second node, where the at least one second node belongs to a second node set. The node with the endorsement function in the block chain performs endorsement on an editing request, and sends an endorsement result to a node with an editing function, to implement block chain editing while improving security assurance.
An image coding mechanism is disclosed. The mechanism includes designating a plurality of chunks of an interlaced image file as critical or ancillary. The chunks are positioned in a packet in a distinct order according to a priority of the chunks and their designation as critical or ancillary. The packet is transmitted toward an image destination.
H04L 65/752 - Media network packet handling adapting media to network capabilities
H04N 21/2343 - Processing of video elementary streams, e.g. splicing of video streams or manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
A communication method, device, and system are disclosed, and pertain to the field of communication technologies. The method includes: After determining a node set including a node that supports segment routing, a controller may send a target segment identifier list to a source node, to indicate the source node to forward a packet of a target flow based on the target segment identifier list, where the source node of the target flow in a communication network belongs to the node set. According to the communication method provided in this application, the target segment identifier list can be sent to the source node of the target flow, to indicate a packet forwarding path of the target flow, thereby reducing network link congestion, and improving packet forwarding efficiency.
This application describes examples of a data processing method and apparatus. In one example, the method includes: If a target buffer that is corresponding to a target priority and that is on a network device reaches a first threshold, the network device sends a pause message to an upstream device, so that the upstream device stops sending a first data packet corresponding to the target priority. If a duration in which the network device stops buffering a second data packet is greater than a preset duration, and the target buffer falls back below a second threshold, the network device sends a sending resumption message to the upstream device, so that the upstream device sends a third data packet corresponding to the target priority.
A memory controller is configured to be operatively connected to clients for shared memory access. The memory controller is configured to perform a recovery of a shared memory by determining starting point for the recovery and then replicating shared memory to target file system. The memory controller is configured to determine starting point by: generate journal of file operations, generate a snapshot of the shared memory; restore shared memory as per the snapshot to the target file system; determine last operation before snapshot in journal; and set next operation after last operation as starting point. The memory controller is further configured to replicate shared memory by replaying file operations according to journal starting with starting point. The present disclosure enables to create an initial consistent synchronization point of the shared memory with clients, which in turn ensures reliable data recovery of the shared memory in any adverse event.
This application relates to the field of optical communication technologies. An optical engine assembly (103), an optical interconnection system (1000), and a network device (3000) are provided. The optical engine assembly (103) includes an optical engine (10), a coupling base (30), and a fiber array unit (50). A first guide portion (33) is disposed on the coupling base (30), a second guide portion (515) is disposed on the fiber array unit (50), and one of the first guide portion (33) and the second guide portion (515) is a guide rod. The other of the first guide portion (33) and the second guide portion (515) is a guide hole, and the guide rod is pluggably connected to the guide hole. The optical engine (10) is configured to implement conversion between an optical signal and an electrical signal.
The disclosure relates to a mobile device, in particular a vehicle, or an application server, wherein the mobile device or the application server comprise: a processor, configured to: receive a notification from a network entity, in particular a base station, wherein the notification comprises information about available Quality of Service, QoS, and transmit a confirmation message to the network entity informing the network entity about an acceptance of the notified QoS. The disclosure further relates to a network entity, comprising: a network entity controller, configured to: transmit a notification to a mobile device, in particular a vehicle, or an application server, wherein the notification comprises information about available Quality of Service, QoS, and receive a confirmation message from the mobile device or the application server informing about an acceptance of the notified QoS.
Embodiments of this application provide a composite structure including a substrate layer and a functional layer disposed on a surface of at least one side of the substrate layer. The substrate layer includes a first support member and a second support member that are disposed side by side and a bendable connecting member connected to and disposed between the first support member and the second support member. A material of the first support member and the second support member includes a hard rubber fiber composite material, and the functional layer includes one or more of an electrically conductive layer, a thermally conductive layer, or an impact-resistant layer.
B32B 5/12 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by the relative arrangement of fibres or filaments of adjacent layers
B32B 3/14 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by a face layer formed of separate pieces of material
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
B32B 9/04 - Layered products essentially comprising a particular substance not covered by groups comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
B32B 15/14 - Layered products essentially comprising metal next to a fibrous or filamentary layer
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Current frame structures in Long-Term Evolution (LTE) and New Radio (NR) are not designed to accommodate full duplex (FD) communication. Embodiments are disclosed in which frame structures are provided that support FD communication and frequency division duplex (FDD) communication and time division duplex (TDD) communication. In some embodiments, there is defined two separate and independent frame structures: a frame structure for reception (e.g. a downlink frame structure) and a frame structure for transmission (e.g. an uplink frame structure).
The technology of this application relates to a communication method and a communication apparatus used for positioning. The method includes a positioning device sending a request to an access network device, where the request is used to request information about a cell type of the access network device, and the cell type includes an indoor cell or an outdoor cell, or the cell type includes any one of: a macro cell, a micro cell, or a lampsite cell. The positioning device receives the information about the cell type from the access network device. The request may be sent to the access network device by using a transmission reception point (TRP) information request message, and the information about the cell type may be received by using a TRP information response message.
A network selection policy determining method and apparatus. First network selection preference information is obtained. A network selection policy is determined based on the first network selection preference information. The first network selection preference information is network selection preference information of a first terminal. The first network selection preference information includes a learning result obtained by learning data related to network selection of a terminal. The network selection policy is used to determine a radio management policy for the first terminal. A core network device determines a network selection policy for the terminal based on network selection preference information of the terminal, and globally consider affecting factors.
This application is applicable to the field of intelligent vehicles, and specifically provides a projection method and apparatus, a vehicle, and an AR-HUD. The projection method includes: obtaining image information and position information of a calibration object; projecting the calibration object based on the image information and the position information of the calibration object and an imaging model; and when an overlap ratio between the calibration object and a projection plane of the calibration object is less than a first threshold, adjusting a parameter of the imaging model. According to this application, an image projected and displayed may be aligned with a real world, which improves a projection display effect.
A method for providing a restricted service and a communications device, where the method includes: receiving, by a policy control function (PCF), an identifier of a terminal and indication information, where the indication information is used to indicate that the terminal is in a state of exception or indicate an exception type of the terminal; and sending, by the PCF, the identifier of the terminal and a first restricted service policy according to the indication information, where the first restricted service policy is used to provide a restricted service for the terminal.
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
This application relates to the field of intelligent vehicle technologies, and in particular, provides a control method, a control apparatus, and the like for an odor adjustment system, to improve user experience. A target odor type of a to-be-released gas is determined based on scene information such as driving fatigue scene information, schedule reminder information, driving mode information, music scene information, or environment information, and the to-be-released gas having the determined target odor type is released, to adjust an odor of an environmental space. In this way, odors of different odor types are released in different scenes, to improve user
A STA in a STA MLD sends an information frame on a link corresponding to the station, and the information frame is used to indicate a STA in an awake state in the STA MLD. An AP MLD receives the information frame, and sends a downlink message frame on a one or more links corresponding to a part of or all of STAs in the awake state in the STA MLD.
In a data processing method, a first device obtains a plurality of first commands. To ensure an execution sequence of the plurality of first commands, the first device performs encapsulation on each first command to obtain a second command. The encapsulation includes adding a sequence identifier for each of target commands in the plurality of first commands that have an order-preserving requirement. The first device sends the plurality of second commands in parallel. The second device receives the plurality of second commands in parallel and performs decapsulation on the second commands to retrieve the first commands with their sequence identifiers. The second device then schedules the plurality of first commands for execution based on their sequence identifiers.
This application discloses a three-dimensional audio signal coding method. After obtaining a fourth quantity of coefficients for a current frame of a three-dimensional audio signal and frequency domain feature values of the fourth quantity of coefficients, an encoder selects a third quantity of representative coefficients from the fourth quantity of coefficients based on the frequency domain feature values of the fourth quantity of coefficients, and selects a second quantity of representative virtual speakers for the current frame from a candidate virtual speaker set based on the third quantity of representative coefficients, and then encodes the current frame based on the second quantity of representative virtual speakers for the current frame to obtain a bitstream. The encoder selects the representative virtual speakers from the candidate virtual speaker set by using a small quantity of representative coefficients to represent all coefficients.
G10L 19/008 - Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
G10L 19/02 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
A data transmission method used for a first data transmission device includes: constructing a first media access control (MAC) frame, where the first MAC frame includes a frame header part and a data part, the frame header part includes a protocol type field, the protocol type field of the first MAC frame is a first indication value, the first indication value indicates that the data part of the first MAC frame includes a data header and data content, the data header includes a frame type field and a data length field, the frame type field indicates a type of the first MAC frame, and the data length field indicates a length of the data content; and sending the first MAC frame to a second data transmission device. In this application, fast data transmission can be implemented, and a transmission delay between devices can be reduced.
An antenna assembly is provided. The antenna assembly provided in this application includes a reflection panel and a radiating array. The reflection panel includes a reflection surface, the radiating array includes N radiating elements, and the N radiating elements are sequentially disposed on the reflection surface along a first direction. The reflection surface includes a deflection surface, and a normal direction of the deflection surface is disposed at an acute angle with the first direction. The N radiating elements are attached to the reflection surface, and at least one radiating element of the N radiating elements is located on the deflection surface, so that a radiation direction of the at least one radiating element is disposed at an acute angle with the first direction. In such antenna assembly, radiation power of the antenna assembly in a direction opposite to the first direction can be effectively reduced.
The present disclosure relates to light detection and ranging (LiDAR) systems, such as LiDAR sensors detecting objects with various reflectivities at various distances. An optical detection system includes a transmitter for emitting at least one beam of optical radiation, a receiver including an imaging processor and an anamorph prism system, and at least one scanner for guiding the at least one beam along a scan direction across a target scene and/or guiding a reflected optical radiation of the at least one beam from the target scene to the receiver. The anamorph prism system is configured to produce a processed beam by compressing the reflected optical radiation in a predefined direction by a predefined factor. The imaging processor includes a two-dimensional detector and is configured to generate an image based on the processed beam on the two-dimensional detector, the image having an aspect ratio that is based on the predefined factor.
Example chat interface creation method and apparatus are described. One example method includes displaying a first group chat interface on a touchscreen of an electronic device. The electronic device receives a first operation in the first group chat interface, and displaying displays a second group chat interface based on the first operation. The first group chat interface is a chat interface of a first chat group, and the first chat group includes a first user who enters the first group chat interface on the electronic device. The second group chat interface is a chat interface of a second chat group, and both the second chat group and the first chat group include the first user.
Embodiments of a network selection method and a related apparatus are provided. In the method, an apparatus receives a broadcast message from a non-forbidden public land mobile network (PLMN) and a broadcast message from a forbidden PLMN. The broadcast message of the forbidden PLMN includes a disaster occurrence indication, and the disaster occurrence indication indicates that a disaster has occurred on the non-forbidden PLMN. The apparatus requests, based on the disaster occurrence indication, to register with the forbidden PLMN, when the apparatus fails to register with the non-forbidden PLMN. According to the foregoing method, the apparatus can select a network that ensures a normal service, and a service interruption to the apparatus caused by the disaster that occurs on the non-forbidden PLMN can be effectively reduced.
This application provides a short-range wireless communication method and a related device. The method includes: generating a transmission frame. The transmission frame includes a frame header and a data domain, phase shift keying modulation is used for the frame header, and quadrature amplitude modulation or phase shift keying modulation is used for the data domain. The method includes sending the transmission frame. In this application, the phase shift keying modulation is used for the frame header of the transmission frame, and the phase shift keying modulation or the quadrature amplitude modulation with a same bandwidth is used for the data domain.
A water quality detection system including a light source, a spectrometer, and a data processor is disclosed, and relates to the technical field of detection systems. The light source emits excitation light pulse trains of different wavelengths to a to-be-detected water sample contained in a sample cell, where the excitation light pulse trains of different wavelengths may be emitted in a time-division manner, to excite the to-be-detected water sample, thereby generating fluorescence separately corresponding to the excitation light pulse trains of different wavelengths. The spectrometer receives the fluorescence and output a fluorescence spectrum based on the fluorescence. The data processor obtains, based on the fluorescence spectrum output by the spectrometer, a three-dimensional fluorescence spectrum including an excitation wavelength, a fluorescence wavelength, and a fluorescence intensity, identifies the to-be-detected water sample and obtains a parameter of the to-be-detected water sample based on the three-dimensional fluorescence spectrum.
An advertisement multi-screen collaboration method and a device are provided, and relate to the field of electronic devices, to resolve a problem that a public-oriented device and a terminal of a user cannot implement cross-device multi-screen collaboration. When playing a first advertisement, an advertising device broadcasts a wireless signal that includes an identifier of the first advertisement and bearing information used to indicate a position and an orientation of the advertising device. A first terminal receives the wireless signal, and when determining that the first advertisement played by the advertising device is effectively exposed to a user of the first terminal, sends an effective exposure event to a server. The effective exposure event includes a unified identity corresponding to the user of the first terminal and the identifier of the first advertisement, so that the server updates a historical preference of the user corresponding to the unified identity. The first terminal adds the unified identity when requesting an advertisement resource from the server, so that the server returns an advertisement resource of a second advertisement having a same advertising campaign as the first advertisement to the first terminal based on the unified identity.
H04W 4/02 - Services making use of location information
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
H04W 4/23 - Services signalling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel for mobile advertising
48.
VEHICLE CONTROL METHOD AND APPARATUS, VEHICLE, AND STORAGE MEDIUM
A vehicle control method and apparatus, a vehicle, a computer readable storage medium, and a computer program. The control method comprises: acquiring a target torque; according to at least one of the wheel end equivalent moment of inertia of a vehicle and the motor rotational speed fluctuation frequency of the vehicle, generating a damping torque; and according to the damping torque and the target torque, controlling the vehicle to perform energy recovery.
The present application relates to the technical field of wireless communications. Provided are an information transmission method and apparatus, which are used for improving the sensing or ranging performance. The present application is applied to a wireless personal area network system based on ultra wideband (UWB), which system comprises 802.15 series protocols, such as 802.15.4a, 802.15.4z or 802.15.4ab; and can also be applied to a wireless local area network system that supports 802.11 series protocols, such as the next-generation WiFi protocol of IEEE 802.11ax, for example, 802.11be or EHT, and the next-generation WiFi protocol of 802.11be, for example, WiFi 8, a sensing system, etc. The method comprises: a first device sending first information to a second device to indicate a duration range; and the first device sending second information to the second device to indicate at least two time units, wherein the duration between the end time of a first time unit and the start time of a second time unit is within the duration range.
A backplane system, a computing device, and a management method for the computing device, which relate to the field of computers. The backplane system comprises: a plurality of backplanes arranged to be stacked parallel to each other and spaced apart from each other, wherein each backplane comprises a first port, second ports configured to be connected to memories, and third ports configured to be connected to controllers; and flexible circuit components each connected to the first port of each of the plurality of backplanes and configured to transmit signals between the plurality of backplanes. The energy efficiency of the system can be improved, flexible expansion of the backplanes and the memories is achieved, and the ranges of application of the backplane system and the computing device are widened.
The present application belongs to the technical field of communications. Provided are a communication method and an apparatus, which are used for avoiding device access difficulty when frequency domain resources of unlicensed frequency bands are used for transmitting signals, so as to meet communication requirements of devices. In the method, different communication modes may have a higher/lower-priority relationship, for example, the priority of a first communication mode is higher than that of a second communication mode. At this time, compared with a device using the second communication mode, a device using the first communication mode may configure a dedicated frequency domain resource set in an unlicensed frequency band, or preferentially configure a frequency domain resource set, such as a first frequency domain resource set, in an unlicensed frequency band. In this way, the device using the first communication mode, such as a first device, can directly use frequency domain resources in the first frequency domain resource set to transmit signals, so as to avoid device access difficulty, thus meeting communication requirements of the device.
Provided in the present application are a sound-field calibration method, and an electronic device and a system. The method comprises: a large-screen device establishing a communication connection with a recording device; in response to a user instruction, the large-screen device driving the playback of a preset audio; the large-screen device sending a recording instruction to the recording device, wherein the recording instruction is used for instructing the recording device to perform recording, so as to obtain a recorded audio of the preset audio; the large-screen device receiving the recorded audio, which is sent by the recording device; the large-screen device determining a calibration parameter on the basis of the recorded audio, wherein the calibration parameter is used for calibrating an audio to be played; and the large-screen device driving the playback of the audio to be played which has been calibrated. By means of implementing the present application, a calibration parameter can be calculated on the basis of a recorded audio which is recorded by a recording device during the process of a large-screen device playing a preset audio, and the calibration parameter is used for calibrating an audio to be played, such that a sound field during audio playback can be effectively calibrated, thereby improving the user experience.
Disclosed in the present application are a VR optical module and a VR device, belonging to the technical field of VR. The VR optical module comprises a first lens, a second lens and a light splitting assembly which are successively arranged from an image source to a human eye; one of two opposite surfaces of the first lens at least has one focal power inflection point; one of two opposite surfaces of the second lens is a partially reflecting surface; the image source is used for generating a light beam for bearing an image to be projected and having a first polarization state; the first lens is used for transmitting the light beam having the first polarization state to the second lens; the second lens is used for transmitting the light beam having the first polarization state to the light splitting assembly; the light splitting assembly is used for reflecting the light beam having the first polarization state to the partially reflecting surface of the second lens; the partially reflecting surface of the second lens is used for reflecting the light beam to the light splitting assembly; the light splitting assembly is used for receiving a light beam having a second polarization state and transmitting the light beam to the human eye. The present application can improve the quality of virtual images, and reduce the cost and sizes of VR devices.
Embodiments of the present application disclose a phase shifter, a modulator and a related device, which are used for providing an electro-optical modulation function. The phase shifter provided by the embodiments of the present application comprises an insulating layer, multiple electrodes, an optical waveguide and an electro-optical material. The multiple electrodes and the optical waveguide are arranged on a first surface of the insulating layer. The electro-optical material is in contact with at least one surface of the optical waveguide. The electro-optical material is used for modulating optical signals on the optical waveguide according to the electric signals on the multiple electrodes.
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
55.
METHOD AND SYSTEM FOR DETERMINING OPERATING FREQUENCIES OF PLURALITY OF QUANTUM BITS
The present disclosure relates to a method and system for determining operating frequencies of a plurality of quantum bits. The method comprises: on the basis of a quantum layered structure of a quantum circuit, providing a corresponding virtual idle layer formed by a single-bit gate before at least some quantum interaction layers in quantum layers, wherein each quantum interaction layer comprises at least one multi-bit gate; and on the basis of a group of idle frequencies used for a plurality of quantum bits and directed at the virtual idle layers, determining a group of operating frequencies used for the plurality of quantum bits and directed at the quantum interaction layers.
A charging reminding method and device, and a vehicle. The method comprises: according to a habitual charging power level interval of a user, the air temperature, or a user type, determining whether the user needs to be reminded to charge, wherein the minimum power level of the habitual charging power level interval is a first power level value, the maximum power level is a second power level value, the second power level value is greater than or equal to the first power level value, and the user type comprises a home charging user or a non-home charging user; and when it is determined that the user needs to be reminded to charge, sending a reasonable charging reminding notification to the user. In this way, the user's anxiety caused by the residual power level of an electric vehicle being lower than a psychological safety threshold range of the user can be effectively avoided; moreover, the inconvenience to the user due to the reduction of the residual power level of a charging object caused by a sudden change of the air temperature can be effectively avoided, thereby improving the use experience of the user.
B60Q 5/00 - Arrangement or adaptation of acoustic signal devices
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
The present application relates to the technical field of human-computer interaction. Provided are a video call interaction method, and a vehicle and an electronic device. The method comprises: displaying a video call interface, the video call interface comprising a local-end video picture and a peer-end video picture, wherein the local-end video picture is a first picture mode; and in response to a first mode switching operation, switching the local-end video picture from the first picture mode to a second picture mode, wherein in the second picture mode, the local-end video picture comprises video pictures, which are collected by a plurality of cameras. By means of the technical solution provided in the present application, the flexibility of a video call can be improved, thereby improving the video calling experience of a user.
The present application provides a screen projection display method and system, and an electronic device. The method is applied to a first electronic device, and the first electronic device establishes a screen projection connection with a second electronic device. The method comprises: determining a security layer in a layer to be synthesized of an interface to be projected, a flag bit of the security layer being a first numerical value; changing the first numerical value into a second numerical value, and according to the second numerical value, synthesizing the layer to be synthesized, so that a display area corresponding to the synthesized security layer is normally displayed; and sending screen projection data to a second electronic device, the screen projection data comprising the synthesized layer. According to the present application, by changing a numerical value in a flag bit of a security layer, only a synthesis mode for the security layer is changed without changing the remaining attributes of the security layer, so that the security of the security layer can be ensured while a display area corresponding to the security layer can be normally displayed.
H04N 21/43 - Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
G06F 21/62 - Protecting access to data via a platform, e.g. using keys or access control rules
G06F 3/0484 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
G06F 21/84 - Protecting input, output or interconnection devices output devices, e.g. displays or monitors
59.
IMAGE ENCODING/DECODING METHOD AND APPARATUS, AND ENCODER, DECODER AND SYSTEM
Disclosed are an image encoding/decoding method and apparatus, and an encoder, a decoder and a system, which relate to the field of multimedia. The method comprises: after encoding of a previous encoding unit and decoding of the previous encoding unit are ended, according to an encoded bit number of the previous encoding unit and a quantization parameter used by the previous encoding unit, updating a lossless bit number of the current encoding unit and an average lossless bit number of the current encoding unit, so as to raise the matching degree of the lossless bit number and image content of the current encoding unit. When a desired bit number for performing lossy encoding on an encoding unit is adaptively allocated according to image content of the encoding unit, a quantization parameter used to encode or decode the current encoding unit is determined with reference to an encoded bit number of a previous encoding unit. In this way, the accuracy of the quantization parameter is improved, thereby effectively improving the image quality of a reconstructed image.
A method and system (100) for neural network processing. The system (100) includes: a parameter generator (110), configured to obtain extension parameters according to problem statement parameters of a model, and obtain a first set of input parameters by applying the extension parameters to collocation points of the model; and a neural network (120), configured to run the first set of input parameters to obtain a solution of a differential equation corresponding to the model. The extension parameters with model characteristics are used to obtain the first set of input parameters when the neural network starts to run, and thus the efficiency of solving the differential equation can be improved.
A galvanometer (303) performance detection system and method and a storage medium. The galvanometer (303) performance detection system comprises: a control module (301), used for controlling parameters of a laser (302) and/or the galvanometer (303); the laser (302), used for emitting first laser light in response to the control from the control module (301); the galvanometer (303), used for in response to the control from the control module (301), emitting second laser light by using the first laser light, the second laser light being used for forming a mark on a sample; and a detection module (304), used for analyzing the mark to obtain an analysis result, the analysis result indicating the performance of the galvanometer (303). The galvanometer (303) performance detection system can achieve contactless detection of the performance of the galvanometer (303), and more conforms to the actual use environment of the galvanometer (303), so that the detection and analysis results are more accurate, and the precision is higher. Moreover, the performance of the galvanometer (303) can be detected more quickly, costs are low, the operation is simple, and more performance indexes can be detected.
The present application provides a communication method and apparatus, and a device. In the method, a first coding and modulation parameter can be determined according to a coding and modulation scheme, and the number of frequency-domain extension subcarriers or reserved subcarriers can be adjusted according to the first coding and modulation parameter, thereby optimizing the peak-to-average power ratio (PAPR) performance of a transmitted waveform while ensuring the block error rate (BLER) performance of a system.
A bidirectional optical sub-assembly (50) and an optical module. The bidirectional optical sub-assembly (50) comprises: an optical fiber, which is used for transmitting a first optical signal to a first membrane (53) in a cavity; the first membrane (53), which is used for reflecting the first optical signal to a first inclined face (f1) of a glass crystal (52); the glass crystal (52), which is used for transmitting the first optical signal to a second inclined face (f2); a second membrane (54), which is used for transmitting a second optical signal within a first wavelength range of the first optical signal to a first receiver optical sub-assembly (ROSA1), and is also used for reflecting a third optical signal within a second wavelength range of the first optical signal to the first inclined face (f1); a second receiver optical sub-assembly (ROSA2), which is used for receiving the third optical signal output by the first inclined face (f1); and a transmitter optical sub-assembly (TOSA), which is used for transmitting a fourth optical signal to the first membrane (53) in the cavity, wherein the first membrane (53) is also used for transmitting the fourth optical signal to the optical fiber. The bidirectional optical sub-assembly (50) can realize the reception of a plurality of optical signals of different wavelengths, and has a relatively simple structure and high reception accuracy.
G02B 6/293 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
H04J 14/02 - Wavelength-division multiplex systems
xF00 21FCC 22zy11 F11 24zy22 F22 31zyfinalfinal FGG 2525). This enables the system (2, 3) carrying out the method (1) to respond to environment changes by taking actions in a way that balance a prediction accuracy, an experienced latency/delay, and a consumed energy (energy saving mode of operation) or to improve a prediction accuracy (accuracy mode of operation).
G06N 3/006 - Artificial life, i.e. computing arrangements simulating life based on simulated virtual individual or collective life forms, e.g. social simulations or particle swarm optimisation [PSO]
Provided in the present application are a communication method and a communication apparatus. The method comprises: a network device sending a first sensing signal and a first communication signal in a first frequency band, sending a second sensing signal in a second frequency band, and sending a third communication signal in a third frequency band, wherein the first frequency band only includes a downlink resource, the second frequency band only includes a downlink resource, and the third frequency band comprises an uplink resource and a downlink resource. The frequency-band combination mode enables a communication device to perform target sensing while performing communication, thereby fusing the communication with the target sensing.
Provided are a human-machine interaction method and a related apparatus. The method comprises: a terminal receiving a first speech input from a user, and when the first speech input is semantically similar to a predefined first wake-up-free instruction, making a corresponding response to the first speech input. That is, it is not necessary to wake up the terminal in advance, and as long as the received first speech input is semantically similar to the predefined first wake-up-free instruction, the terminal can execute an operation corresponding to the first speech input. Therefore, the problem of a terminal having no response due to the fact that a first wake-up-free instruction is fixed and limited is solved, and compared with an approach in which the terminal only responds to the predefined first wake-up-free instruction, the method greatly improves the interaction experience of a user.
Provided in the present application are a communication method and a related apparatus, which can reduce interferences among codewords having different lengths, and reduce the complexity of receivers. The method comprises: according to a target codeword, a terminal device spreads data to be transmitted, so as to obtain spread data, the target codeword being determined from K codebooks, each codebook among the K codebooks comprising at least one codeword, the codewords in each codebook having the same length, the codeword lengths of any two codebooks among the K codebooks being different, the codeword length of any one codebook among remaining K-1 codebooks except a first codebook among the K codebooks being a positive integer multiple of the codeword length of the first codebook, the first codebook being a codebook having the shortest codeword length among the K codebooks, and K being an integer greater than 1; and the terminal device sends the spread data to a network device, and the network device despreads the spread data on the basis of the target codeword.
Provided in the present application are a random access method and a communication apparatus. The method comprises: a terminal device determining at least one preamble for executing an nth random access process, wherein the preamble is used for requesting random access, n being a positive integer; the terminal device sending a first part of the at least one preamble to a network device in the nth random access process, wherein the sending of a second part of the at least one preamble in the nth random access process is canceled; and the terminal device determining that a count value of a preamble power ramping counter in an (n+1)th random access process is the same as a count value of the preamble power ramping counter in the nth random access process, wherein the preamble power ramping counter is used for determining the sending power of the preamble. In this way, unnecessary power consumption can be reduced, and communication interference can also be reduced.
Disclosed in the embodiments of the present application are a communication method and an apparatus. The method comprises: a first access network device receives a first report recorded by a terminal device when the terminal device accesses a target PSCell and satisfies a first condition, determines a second access network device according to the first report comprising information related to the process of accessing the target PSCell, adjusts a mobility parameter according to the first report when the first access network device is the same as the second access network device, and sends the first report to the second access network device when the first access network device is different from the second access network device. In the embodiments of the present application, the first access network device can correspondingly process the first report according to the first report, thereby improving the robustness of mobility parameter adjustment by a network side according to the report.
The present application provides a data query method, an electronic device, and a system. The method comprises that: a user equipment sends a query request to a server; the server sends first return data and first information to the user equipment according to the query request, wherein the first return data is a subset of query results, the query results comprise a plurality of pieces of query result data, and the first information is used for identifying part or all of the plurality of pieces of query result data; the user equipment sends a loading request to the server, wherein the loading request carries second information; and according to the loading request, the server sends the query result data identified by the second information to the user equipment. In this way, the server sends, to the user equipment, part of the query result data and the first information used for identifying part or all of the query result data, so that the server does not need to cache the query result data, the cache pressure and cost of the server are reduced, and the user equipment can obtain all of the query result data by means of the server.
The present application relates to the technical field of computers, and provides a data processing method and device. The method comprises: an acceleration device sorting a first data set to obtain a second data set, wherein the first data set and the second data set each comprise a plurality of data; dividing the second data set to obtain a plurality of data subsets, and respectively processing the plurality of data subsets to obtain a plurality of subtrees, wherein one data subset corresponds to one subtree; and obtaining a tree of the second data set according to the plurality of subtrees. Because there is no need for a processor or an acceleration device to generate an instruction, decode the instruction, etc. in the process of creating a tree by the acceleration device, the process of creating the tree is simplified, the efficiency of creating the tree is improved, and thus the efficiency of data processing is improved; moreover, the acceleration device can obtain a plurality of subtrees in parallel, so that the efficiency of creating the tree can be improved, and thus the efficiency of processing data by the acceleration device can be improved.
A projection module, which can be applied to a lighting system of a vehicle, other projection environments with limited spaces, etc. The projection module comprises a light source device (101), a lens group (102), a reflection unit (103), and a rotating component (104) connected to the reflection unit (103); light emitted from the light source device (101) passes through the lens group (102) to form a light beam, the light beam being projected to the outside of a vehicle; the reflection unit (103) is used for changing the transmission direction of the light beam, and the rotating component (104) is used for adjusting the position of the reflection unit (103), thereby changing the projection position of the light beam. The short-range/long-range imaging of the projection module outside the vehicle is realized by introducing position adjustment of the reflection unit (103).
F21S 41/675 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
F21V 13/06 - Combinations of only two kinds of elements the elements being reflectors and refractors a reflector being rotatable
A scene display method, the method comprising: an electronic device (100) acquiring the current time; and the electronic device determining that the current time meets a trigger condition for a target scene, and executing, according to scene content of the target scene, a response action corresponding to the target scene, wherein the target scene is any scene among at least one scene to be displayed which is stored in the electronic device. By means of the method, when determining that the current time meets a trigger condition for a target scene, an electronic device can execute a response action corresponding to the target scene, so as to display the target scene, thereby improving the interactivity between the electronic device and a user, and thus improving the user experience. Further comprised is an electronic device.
B60R 16/037 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for occupant comfort
The present application provides a base station antenna and a base station. The base station antenna comprises a first antenna array, a frequency selection surface, a second antenna array, and an antenna conductive component; the frequency selection surface is located between a first radiator of a radiation unit of the first antenna array and the second antenna array, and the frequency selection surface is used for reflecting a radiation signal of the first antenna array and transmitting a radiation signal of the second antenna array; the antenna conductive component and the first antenna array are located on the same side of the array plane of the second antenna array; the antenna conductive component comprises a conductive substrate, a first structural unit, and a second structural unit; and the first structural unit and the second structural unit both surround the conductive substrate, and the first structural unit and the second structural unit are spaced apart and adjacent to each other, and form a capacitor. The base station comprises a pole and the base station antenna, and the base station antenna is fixed to the pole. The present application can ameliorate the electromagnetic shadow problem caused by the shielding of a metal component.
H01Q 15/00 - Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
H01Q 19/10 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
H01Q 21/30 - Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
75.
CROSS-MODAL RETRIEVAL METHOD AND APPARATUS, DEVICE, STORAGE MEDIUM, AND COMPUTER PROGRAM
The present application relates to the field of information retrieval, and discloses a cross-modal retrieval method and apparatus, a device, a storage medium, and a computer program. The method comprises: extracting a text label and a text feature of a retrieval text; on the basis of the text label and a visual label of retrieved visual data, determining whether at least one piece of first visual data having a visual label matching the text label exists in the retrieved visual data, the retrieved visual data comprising an image and/or a video; on the basis of the text feature and a visual feature of the retrieved visual data, determining whether at least one piece of second visual data having a visual feature matching the text feature exists in the retrieved visual data; and if the at least one piece of first visual data and the at least one piece of second visual data exist in the retrieved visual data, determining a retrieval result on the basis of the at least one piece of first visual data and the at least one piece of second visual data. The present application can improve the cross-modal retrieval precision and retrieval breadth.
G06F 16/483 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
A transliteration method and an electronic device (100). The method is applied to the electronic device (100), the method comprising: receiving first information input by a user in a first language; transliterating the first information to obtain a plurality of pieces of second information in a second language, the plurality of pieces of second information comprising third information and fourth information, and the third information and the fourth information have different lengths; and displaying the plurality of pieces of second information. The present invention can implement transliteration at a relatively high quality by using an artificial intelligence (AI) technology and can return a plurality of transliteration results with different lengths at a time for users' reference, thereby effectively satisfying the user requirements for transliteration.
The present application provides a capability reporting method and a communication apparatus. The capability reporting method comprises: a terminal device receives a capability query request from a network device, the capability query request being used for acquiring capability information of the terminal device, and the capability information being used for indicating a power gain, wherein the power gain is used for indicating a power variation of the terminal device after switching from a first waveform to a second waveform; and the terminal device sends a response message to the network device, the response message comprising the capability information. By means of the capability reporting method, the terminal device reports the capability information thereof in response to the query request from the network device, such that the terminal device can perform waveform switching according to the capability information thereof in a waveform switching process, thereby ensuring the uplink coverage performance of the terminal device.
Embodiments of the present application provide a communication method and a communication apparatus. The method comprises: when far-end interference is detected, an access network device determines first information, wherein the first information is used for configuring a time domain resource of an SRS to be migrated from a first time domain resource to a second time domain resource, and the strength of the far-end interference on the second time domain resource is less than that of the far-end interference on the first time domain resource; and the access network device sends the first information to a terminal. On the basis of the described method, when far-end interference is detected, an access network device may migrate a relatively important SRS to a position where interference is small, and the far-end interference experienced by the SRS is reduced, and after the channel interference of the SRS is reduced, a BF beam can be more accurate, thereby facilitating improvement of the beam signal-to-noise ratio of a terminal, improving the performance such as the downlink throughput, and reducing the impact of the far-end interference on the uplink transmission of the access network device.
The present application provides a communication method and a related apparatus, for effectively reducing the calculation complexity of an 8-antenna terminal device in processing high-stream data. The method comprises: a terminal device determines a first antenna set and a second antenna set, the first antenna set comprising M receiving antennas, the second antenna set comprising 8-M receiving antennas, 0
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
H04L 5/00 - Arrangements affording multiple use of the transmission path
80.
METHOD AND APPARATUS FOR CONTROLLING LIGHT DISPLAY
The present application provides a method and apparatus for controlling light display. The method comprises: acquiring audio data to be played back; determining an audio attribute of the audio data, wherein the audio attribute comprises at least one of a beat feature, a speed feature, and a tune feature of the audio data; and according to the audio attribute, controlling a light effect change displayed by a light display device. The method in the present application can be applied to intelligent vehicles and electric vehicles, and facilitates improving the driving/riding experience of users at the light interaction level.
A folding assembly (3) and an electronic apparatus (100). The electronic apparatus (100) comprises a folding device (10) and a flexible display screen (20), wherein the flexible display screen (20) is mounted on the folding device (10); the folding device (10) comprises a first housing (1), a second housing (2), and a folding assembly (3) connected between the first housing (1) and the second housing (2); the folding assembly (3) comprises a main shaft (31), a rotating arm (321), a fixing frame (322), a first connecting arm (323) and a second connecting arm (324); the first housing (1) is rotatably connected to the main shaft (31) by means of the rotating arm (321); the fixing frame (322) is fixed to the second housing (2); and the fixing frame (322) is movably connected to the main shaft (31) by means of the first connecting arm (323) and the second connecting arm (324). The folding assembly (3) has fewer parts, and thus has a simple structure and a low cost.
Disclosed in the present application are a MicroLED display panel, a display device, and a manufacturing method. The MicroLED display panel comprises a plurality of display structures, each display structure comprising: a first electrode, a second electrode, a first semiconductor layer, a second semiconductor layer and a light-emitting layer. The first electrodes, the first semiconductor layers and the light-emitting layers of adjacent display structures are mutually independent. The first semiconductor layer and the second semiconductor layer are respectively located on two side surfaces of the light-emitting layer; the first electrode is located on the side of the first semiconductor layer facing away from the light-emitting layer, and the second electrode is located on the side of the second semiconductor layer facing away from the light-emitting layer; the light-emitting layer of each display structure corresponds to one pixel area; the second electrode is laid around each pixel area, is a common electrode of the pixel areas, and is a metal barrier wall between adjacent pixel areas. The solution can increase the light-emitting area and the light efficiency, avoid mass transfer, and improve the percent of pass. The second electrode is used as the metal barrier wall to prevent optical crosstalk, thus aiding in uniform current distribution and uniform brightness.
H01L 27/15 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier, specially adapted for light emission
Disclosed in embodiments of the present application are an antenna apparatus and an electronic device. The antenna apparatus comprises: a radiator, the radiator comprises a first end and a second end, and the radiator is provided with a feed point and a grounded point; the distance from the feed point to the first end of the radiator is greater than the distance from the feed point to the second end; a first grounded conductive member and a second grounded conductive member are provided between the feed point and the first end; each grounded conductive member has one end coupled to the radiator, and the other end grounded; and the radiator is used for generating two resonances: a first resonance and a second resonance, wherein the frequency of the first resonance is greater than the frequency of the second resonance. Thus, by providing the first and second grounded conductive members on the radiator, the current distribution on the radiator is more uniform, the board current can be better excited, and the antenna performance is improved.
Disclosed in the present application are a voltage adjustment method and a related apparatus. The method is used for adjusting the voltage of driving chips in a camera module; as for a driving chip controlling the movement of a lens, the driving voltage of the driving chip can be adjusted according to the pushing force required for moving the lens to a target position, thus preventing the driving chip controlling the movement of the lens from being always at a high voltage; or, as for a driving chip controlling the aperture size change, the driving voltage of the driving chip can be adjusted according to whether the aperture size has changed, thus preventing the driving chip controlling the aperture size change from being always at a high voltage. Therefore, the power consumption of a camera module used in current shooting can be reduced.
Disclosed in the embodiments of the present invention are a three-dimensional image acquisition apparatus, and a related device and method, which are used for improving the imaging light effect of a three-dimensional image. In the three-dimensional image acquisition apparatus, a first lens group is used for transmitting to a first polarization modulation module a first light beam reflected by an object to be photographed; a second lens group is used for transmitting to a second polarization modulation module a second light beam reflected by said object; the first polarization modulation module is used for modulating the polarization state of the first light beam so as to output a modulated first light beam, and the second polarization modulation module is used for modulating the polarization state of the second light beam so as to output a modulated second light beam; and a polarization deflection module is used for deflecting the transmission direction of the modulated first light beam so as to emit a first imaging light beam, and the polarization deflection module is used for deflecting the transmission direction of the modulated second light beam so as to emit a second imaging light beam. The absolute value of an angle of incidence at which the modulated first light beam is incident onto the polarization deflection module is greater than the absolute value of an angle of incidence at which the first imaging light beam is incident onto an image sensor.
H04N 13/239 - Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
86.
THREE-DIMENSIONAL IMAGE COLLECTION APPARATUS AND METHOD, AND RELATED DEVICE
A three-dimensional image collection apparatus (100) and method, and a related device, which are used for collecting a three-dimensional image while improving the pixel utilization rate of an image sensor (200). A first lens group (101) of the three-dimensional image collection apparatus (100) is used for transmitting, to a light deflection module (104), a first light beam (111) reflected by an object (110) to be photographed. A second lens group (102) is used for transmitting, to the light deflection module (104), a second light beam (112) reflected by said object (110). The light deflection module (104) is used for deflecting the transmission direction of the first light beam (111), and splitting the first light beam (111) into a plurality of first light sub-beams (201, 202), and the light deflection module (104) is further used for deflecting the transmission direction of the second light beam (112), and splitting the second light beam (112) into a plurality of second light sub-beams (211, 212), wherein each first light sub-beam (201, 202) is transmitted to a first imaging area of the image sensor (200), each second light sub-beam (211, 212) is transmitted to a second imaging area of the image sensor (200), and there is a second imaging area between any two adjacent first imaging areas.
A case package (100), a chip case packaging structure and a lidar transmitting module (30), which relate to the field of chip packaging, and aim to reduce the costs. The specific solution is as follows: the case package (100) comprises a cover (120), a substrate (110) and first electric connectors (130). The substrate (110) is connected to the cover (120) to define a sealing cavity (101), is configured to be connected to a signal transmission device (20) located in the sealing cavity (101), and has the same thermal expansion coefficient as the signal transmission device (20). Therefore, low-cost copper pillars formed by means of electroplating and sputtering can be used as the first electric connectors (130), and the first electric connectors replace existing high-temperature co-fired ceramics, thereby reducing the costs. The substrate (110) can be made of ceramics, etc., has good heat dissipation performance, and can weaken internal stress between the substrate (110) and the signal transmission device (20). In addition, the structure of the substrate (110) and a printed circuit board (22) in the signal transmission device (20) can be formed by using the same material and process, thereby reducing the process costs; alternatively, a die (04) is directly bonded or welded to the substrate (110), with no need of the printed circuit board (22), thereby further saving on the costs.
The present application provides an antenna structure, comprising a conductive substrate and at least two structural units. Each of the at least two structural units surrounds the conductive substrate, each structural unit is spaced apart from the conductive substrate, the at least two structural units comprise a first structural unit and a second structural unit which are adjacent to each other, the first structural unit and the second structural unit are spaced apart from each other and form a first capacitor, and the capacitance values of different parts of the first capacitor are different. The present application also provides an antenna comprising the antenna structure, and a base station comprising the antenna. The solution of the present application can mitigate the problem of electromagnetic shadowing caused by shielding of a metal part.
Provided in the present application are a method for measuring the position of a radio frequency unit, and a communication apparatus. The method for measuring the position of a radio frequency unit comprises: an access network device receiving a plurality of first messages which are sent by a terminal device at a plurality of moments, wherein a first message sent at a first moment indicates a corresponding position of the terminal device at the first moment, and the first moment is any one of the plurality of moments; according to the plurality of first messages, the access network device obtaining a plurality of corresponding positions of the terminal device at the plurality of moments and distances between the plurality of positions and a radio frequency unit; and the access network device determining a first position of the radio frequency unit according to the plurality of positions and the distance between the plurality of positions and the radio frequency unit. By means of such a method for measuring the position of a radio frequency unit, an access network device can acquire the position of the radio frequency unit by means of the position of a terminal device, and manual on-site measurement is not required to obtain the position of the radio frequency unit, such that the measurement efficiency of the position of the radio frequency unit is improved.
The present application relates to the technical field of communications. Provided are a method and apparatus for evaluating an autonomous level of an operation and maintenance network, and a system. The method comprises: a first apparatus acquiring evaluation data of N operation and maintenance tasks in a first operation and maintenance job link from a second apparatus, and then the first apparatus sending the evaluation data of the N operation and maintenance tasks to a third apparatus, such that the third apparatus can determine an autonomous network level of the first operation and maintenance job link according to the evaluation data of the N operation and maintenance tasks; or the first apparatus determining the autonomous network level of the first operation and maintenance job link according to the evaluation data of the N operation and maintenance tasks. In the present application, an autonomous network level of an operation and maintenance job link is evaluated on the basis of evaluation data of an operation and maintenance task, such that the reliability of an evaluation result can be improved.
Embodiments of the present application provide a data transmission method and a communication apparatus. The method comprises: a network device indicates spectrum spread proportion indication information to a terminal device; according to the spectrum spread proportion indication information, the terminal device can determine a physical uplink shared channel (PUSCH) resource occupied by spread spectrum and/or a PUSCH resource occupied by non-spread spectrum; and then, the terminal device transmits uplink data on the PUSCH resource occupied by the non-spread spectrum, and transmits duplicated data of the uplink data on the PUSCH resource occupied by the spread spectrum. In this way, the terminal device can use a larger transmission bandwidth for uplink transmission, which reduces a PAPR of a waveform and achieves a larger uplink transmission power, so that larger maximum tolerable power attenuation of a corresponding transmission rate target can be obtained, and therefore, the coverage capability of uplink transmission can be improved.
Provided in the embodiments of the present application are a communication method and apparatus, which can improve the sending power of downlink transmission of a device in an LPI scenario, and can be applied to a WLAN communication system. The method comprises: a first access point (AP) generating a first trigger frame, wherein the first trigger frame is used for triggering a plurality of APs to participate in downlink transmission by using discrete resource units (RUs) or discrete multi-resource units (MRUs); and then the first AP sending the first trigger frame.
The present application relates to the field of storage, and provides a data processing method and device. The method comprises: an interface card of a compute node receives a write request from an application, the write request carrying data to be processed; and the interface card sends a network packet of which a destination address is a first address, the network packet carrying said data, the first address being used for indicating a storage unit for said data in a storage node, the network packet being used for writing said data into the storage unit, and the interface card communicating with the storage node through a network. The method is used to efficiently and conveniently implement a read/write process of a compute node to a storage node.
A sensing method, apparatus and system. The sensing method comprises: a sensing node acquiring sensing data of a first target, and determining, according to the confidence of first sensing data, whether to send the first sensing data, wherein the first sensing data is the sensing data of the first target, and the confidence is determined according to a first parameter, which comprises at least one of the following: a beam width of a first beam, a measurement delay of measuring the first target, a communication bandwidth for measuring the first target and a beam angle of arrival of the first beam when reaching the first target, which first beam is a beam for sensing the first target. A sensing node determines, according to confidence, sensing data reported to a sensing center, thereby reducing redundant data, and saving on communication resources. Moreover, the sensing node takes the confidence as a reference factor for whether to report the sensing data, and sensing data which meets a confidence condition is reported to the sensing center, such that the sensing precision is improved.
Provided in the present application are a resource determination method and an apparatus. The method comprises: according to first data to be sent, a first terminal device determines a first time window; according to candidate synchronization signal resources, the first terminal device determines, in the first time window, candidate resources for the first data, the candidate synchronization signal resources comprising a first candidate synchronization resource and/or a second candidate synchronization resource, the first candidate synchronization resource being used for the first terminal device receiving a sidelink synchronization signal, and the second candidate synchronization resource being used for the first terminal device sending a sidelink synchronization signal; and according to the candidate resources for the first data, the first terminal device sends the first data. The method disclosed in the present application performs effective resource selection according to candidate S-SSB receiving resources and/or sending resources included in a resource pool and the condition of a UE detecting an S-SSB sent by the synchronization resources, thereby improving the use efficiency of resources and reliability of transmission.
The present application discloses a speech signal processing method, a neural network training method and a device, which are applied to the field of signal processing. The speech signal processing method comprises: acquiring a first bone conduction speech signal, extracting an excitation parameter from the first bone conduction speech signal, and determining a first transfer function corresponding to the first bone conduction speech signal; then inputting the first transfer function into a trained neural network to obtain a second transfer function (i.e., a transfer function of a predicted air conduction speech signal), the trained neural network being obtained by training a neural network using a training data set on the basis of a target loss function; and finally according to the second transfer function and the excitation parameter, obtaining a first air conduction speech signal corresponding to the first bone conduction speech signal. According to the present application, on the basis of the trained neural network, the transfer function of the bone conduction speech signal is mapped into the transfer function of the air conduction speech signal, so that tone compensation from the bone conduction speech signal to the air conduction speech signal is realized, the listening effect of the bone conduction speech signal is brighter and more comfortable, and the call efficiency is improved.
G10L 21/0308 - Voice signal separating characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
A logic circuit (34) comprises a first logic circuit, a second logic circuit and a selector. The first logic circuit is configured to output a first operation result. The second logic circuit is configured to output a second operation result. The first operation result is a result of an exclusive-OR operation to input bits. The second operation result is a result of an exclusive-OR operation to input bits including the first operation result. In a code conversion mode, the selector outputs the second operation result, the input bits to the first logic circuit includes a bit in gray code representation and a bit in binary code representation of a second number-to-be-added, and the input bits to the second logic circuit further includes a bit in gray code representation of the second number-to-be-added. In an addition mode, the selector outputs a carry bit in an addition of a first number-to-be-added and the second number-to-be-added, the input bits to the first logic circuit includes a bit of the first number-to-be-added and a carry bit of a digit lower than the carry bit, and the input bits to the second logic circuit includes a bit of the second number-to-be added.
Provided is a tape storage system (100). The tape storage system includes a disk storage module (102) for fast access to data, a plurality of tape storage modules (104A-N) for long-term storage of data, and a catalog module (106) for searching data stored on one or more of the plurality of tape storage modules. The catalog module includes a first level catalog (108) and a second level catalog (110, 206, 306). The second level catalog, written on each of a plurality of tape storage modules, is configured to point to specific data stored in a specific tape storage module. The first level catalog, written on the disk storage module, is configured to point to the specific tape storage module and includes offsets of the second level catalog.
This disclosure relates to a device for a backup storage using a continuous data protection (CDP) system. The device receives a ransomware notification from the backup storage at a notification time point Tn. The ransomware notification indicates that one or more files of user data were encrypted by a ransomware. The device then enables the CDP system to generate a backup image of the user data at the time point Tn. The device further determines one or more time points Ti earlier than Tn, and enables the CDP system to generate backup images of the user data at the determined time points Ti. The device then determines, based on the backup images, a latest version of each file of the user data before the file was encrypted by the ransomware. The device further automatically restore each file in the backup storage to its corresponding latest version.
Disclosed are a data processing system, a memory mirroring method and apparatus, and a computing device, relating to the field of computers. The system comprises a plurality of nodes and a management node. A first node requests to mirror a first area in a memory used by the first node; and the management node allocates a second area, the second area being used for indicating a storage space, in a second node, having the same size as the first area, and the second area being used for backing up data of the first area. When a node does not raise a memory mirroring demand, storage resources in the system are used for storing different data, and only when a memory mirroring demand is raised, a mirroring area is allocated from the storage resources of the system, so that the mirroring area backs up data stored in an area to be mirrored, thereby realizing high data reliability. In addition, the area to be mirrored and the mirroring area may be storage spaces in different nodes, so that the mirroring area can be flexibly and dynamically allocated to realize memory mirroring, thereby improving the flexibility of memory mirroring configuration and the utilization rate of storage resources.