Abstract

Provided by the implementations of the present application are a communication method and terminal, which may achieve reliability of system transmission by using a terminal-to-terminal mode to carry out communication. The method comprises: a first terminal device receiving a first sidelink transmission channel sent by a second terminal device, the first sidelink transmission channel being used to transmit a first message; in response to the first message, the first terminal device sending a second sidelink transmission channel to the second terminal device, the second sidelink transmission channel being used to transmit a second message, and the second message being a feedback message for the first message.

IPC Classes  ?

• H04L 1/1867 - Arrangements specially adapted for the transmitter end
• H04W 72/02 - Selection of wireless resources by user or terminal
• H04W 76/11 - Allocation or use of connection identifiers

Abstract

A wireless communication method, a first terminal, and a communication device are disclosed. The method includes: a first message is received, the first message being used for instructing the first terminal to use at least one path among multiple paths to perform data transmission; and data transmission is performed based on the at least one path.

IPC Classes  ?

• H04W 40/02 - Communication route or path selection, e.g. power-based or shortest path routing
• H04L 1/1867 - Arrangements specially adapted for the transmitter end

Abstract

An access network element and a transmission method related to communication technology are provided that includes receiving third control information from a session management network element, the third control information being used to indicate a control parameter of an application data unit in a Quality of Service (QOS) flow.

IPC Classes  ?

• H04W 28/02 - Traffic management, e.g. flow control or congestion control

Abstract

The present disclosure discloses a wireless communication method, a terminal, and a network side device. The wireless communication method is applied in a terminal and includes: transmitting, via a first interface with a control plane unit cluster in a wireless communication system, a control plane message with the control plane unit cluster; and transmitting, via a second interface with a user plane unit cluster in the wireless communication system, user data with the user plane unit cluster. The wireless communication system includes a radio frequency unit and a core network cluster, and the core network cluster includes the control plane unit cluster and the user plane unit cluster.

IPC Classes  ?

• H04B 7/185 - Space-based or airborne stations

Abstract

A method for monitoring a Physical Downlink Control Channel (PDCCH), including: a handover command transmitted by a first network device is received, wherein the handover command is used to instruct the terminal device to switch from a first cell corresponding to the first network device to a second cell corresponding to a second network device; and a PDCCH transmitted by the second network device is monitored based on a Control Resource Set (CORESET) associated with a target Bandwidth Part (BWP) of the second cell.

IPC Classes  ?

• H04W 36/08 - Reselecting an access point
• H04L 5/00 - Arrangements affording multiple use of the transmission path

Abstract

The present disclosure relates to the technical field of Bluetooth connections, and discloses an information acquisition method and apparatus, a Bluetooth device, a terminal device, and a storage medium. The method is applied to a Bluetooth device, and comprises: acquiring first information, the first information comprising generic attribute profile (GATT) information of the Bluetooth device; and before the Bluetooth device completes a Bluetooth low energy (BLE) connection with a terminal device, sending the first information to the terminal device, so that the terminal device obtains the GATT information according to the first information. According to the present disclosure, before completing the BLE connection with the terminal device, the Bluetooth device actively sends the first information comprising the GATT information to the terminal device in advance, so that the terminal device obtains the GATT information of the Bluetooth device in advance according to the first information, and after the BLE connection is completed, there is no need to query the GATT information separately, thereby reducing the time taken for the terminal device to acquire the GATT information, and improving the efficiency of establishing a Bluetooth connection between the terminal device and the Bluetooth device.

IPC Classes  ?

• H04W 76/14 - Direct-mode setup

Abstract

Provided in the embodiments of the present application are an encoding method, a decoding method, a decoder, an encoder and a computer-readable storage medium, which can improve the encoding and decoding performance. The decoding method comprises: parsing a code stream to determine coded information corresponding to a second-scale point cloud, and determining a first-scale point cloud; performing local density prediction on the basis of the first-scale point cloud to determine a local density corresponding to first-scale voxels in the first-scale point cloud, and performing occupancy probability prediction on second-scale voxels to determine an occupancy probability corresponding to the second-scale voxels, the second-scale voxels being up-sampling voxels corresponding to the first-scale voxels, and the local density representing the number of occupied second-scale voxels amongst the second-scale voxels corresponding to the first-scale voxels; and, on the basis of the occupancy probability corresponding to the second-scale voxels and the local density corresponding to the first-scale voxels, decoding and reconstructing the coded information corresponding to the second-scale point cloud, so as to determine reconstructed geometric information corresponding to the second-scale point cloud.

IPC Classes  ?

• H04N 19/00 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals

Abstract

Embodiments of the present application provide an encoding method, a decoding method, a decoder, an encoder, a code stream, and a computer readable storage medium. The decoding method comprises: parsing a code stream, and determining attribute encoding information corresponding to a first scale point cloud; performing first scale prediction on the basis of decoded attribute information of a second scale point cloud, and determining attribute prediction information of the first scale point cloud, wherein the second scale point cloud is decoded point cloud data of a parent node of a previous scale of the first scale point cloud; performing probability prediction on the attribute prediction information by using an attribute probability prediction network, to determine an occupation probability of the first scale point cloud; and decoding the attribute encoding information on the basis of the occupation probability, and determining attribute information of the first scale point cloud.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems

Abstract

An image stabilization assembly, a camera module and an electronic device. The image stabilization assembly comprises: a bottom plate; a bearing plate, which comprises a fixed member mounted on the bottom plate and a movable member for bearing an image sensor; an elastic member, which is arranged between the fixed member and the movable member; a raising support, which is arranged between the bottom plate and the movable member; and a driving mechanism, which comprises a moving member connected to the movable member, and a deformation member connected between the fixed member rand the moving member, wherein when energized, the deformation member can be deformed so as to drive the moving member, the movable member and the image sensor to move.

IPC Classes  ?

• H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
• H04N 23/55 - Optical parts specially adapted for electronic image sensors; Mounting thereof
• H04N 23/50 - Constructional details
• H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations

Abstract

In the present application, a resource list interface and a resource storage interface are displayed; in response to a dragging operation of dragging a target resource in at least one resource from the resource list interface to the resource storage interface, the target resource is displayed on the resource storage interface; and an integrated resource is obtained on the basis of the target resource comprised in the resource storage interface. The present application provides a highly customizable file storage and integration method for users, provides a convenient channel for users who frequently send and receive resources, and improves the user experience.

IPC Classes  ?

• G06F 3/04817 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons

Abstract

An antenna assembly and a control method therefor, and an electronic device. A first radiation branch of the antenna assembly and a second radiation branch thereof are connected to each other, a first feed point of the first radiation branch forms a first tuning path with a feed source by means of a first tuning circuit and a switch circuit, a second feed point of the second radiation branch forms a second tuning path with the feed source by means of a second tuning circuit and the switch circuit, and the switch circuit connects the first tuning path or the second tuning path according to the posture of an electronic device where the antenna assembly is located.

IPC Classes  ?

• H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
• H01Q 1/44 - ANTENNAS, i.e. RADIO AERIALS - Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna

Abstract

Disclosed in the embodiments of the present application are a coding method, a decoding method, a code stream, a coder, a decoder, and a storage medium. The decoding method comprises: determining first parameter information of the current node; determining context indication information of the current node according to the first parameter information; determining a context model according to the context indication information; and decoding a code stream on the basis of the context model, so as to determine plane position information of the current node in a preset direction. In this way, storage space can be saved on on the premise of ensuring a coding and decoding performance.

IPC Classes  ?

• H04N 19/52 - Processing of motion vectors by encoding by predictive encoding

Abstract

The embodiments of the present application disclose an encoding method, a decoding method, a code stream, an encoder, a decoder and a storage medium. The decoding method comprises: on the basis of a first preset condition, determining a candidate data processing mode; determining a data processing mode parameter corresponding to a syntax element to be decoded; on the basis of the candidate data processing mode, determining a target data processing mode according to the data processing mode parameter; and decoding said syntax element according to the target data processing mode, and determining the value of said syntax element. Therefore, the method can save on a code rate, and improve the encoding efficiency and decoding efficiency, thereby improving the encoding performance and decoding performance.

IPC Classes  ?

• H04N 19/124 - Quantisation

Abstract

Encoding and decoding methods and apparatuses, an encoder and a decoder, a code stream, and a storage medium. The decoding method comprises: decoding a point cloud code stream, and obtaining a first flag bit, the first flag bit being used for representing whether attribute coefficients of at least two first attribute components of a current point are both a first numerical value; and when the first flag bit represents that the attribute coefficients of the at least two first attribute components are both the first numerical value, determining that a first attribute coefficient of a second attribute component of the current point is equal to a second attribute coefficient of the second attribute component plus one, the second attribute coefficient of the second attribute component being obtained by parsing from the point cloud code stream, and the second attribute component being different from the at least two first attribute components.

IPC Classes  ?

• H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
• G06T 9/00 - Image coding
• H04N 19/597 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding

Abstract

Embodiments of the present application provide encoding and decoding methods. At a decoding end, a decoder decodes a code stream to determine shift coefficient information of a current frame; according to a first scan sequence, determines at least one coefficient block from the shift coefficient information; on the basis of the at least one coefficient block, determines a plurality of shift coefficients according to a second scan sequence; and according to the plurality of shift coefficients and a simplified mesh of the current frame, determines a reconstructed original mesh of the current frame. At an encoding end, an encoder, according to a plurality of shift vectors of the current frame, determines a corresponding plurality of shift coefficients; according to the second scan sequence, sequentially traverses the plurality of shift coefficients, to determine at least one coefficient block; on the basis of the at least one coefficient block, determines shift coefficient information of the current frame according to the first scan sequence; and writes the shift coefficient information into a code stream.

IPC Classes  ?

• H04N 19/52 - Processing of motion vectors by encoding by predictive encoding

Abstract

Embodiments of the present application provide a method for processing a to-do event in a memo application and a related apparatus. The method comprises: a first electronic device displaying a first control; in response to a first selection operation for the first control, displaying a to-do event editing page, the to-do event editing page comprising a content editing area; displaying target event content input by a user in the content editing area; and in response to a second selection operation for the target event content, displaying a target to-do item on a running interface of a memo application of a second electronic device, to-do event content of the target to-do item matching the target event content. The embodiments of the present application can improve the intelligence and flexibility of related processing of the to-do item in the memo application.

IPC Classes  ?

• G06F 9/451 - Execution arrangements for user interfaces

Abstract

Provided in the embodiments of the present application are a positioning method, and devices. The positioning method comprises: a terminal device acquiring the position of an electronic tag according to a first positioning request of the electronic tag. The embodiments of the present application can realize positioning of an electronic tag.

IPC Classes  ?

• H04W 8/24 - Transfer of terminal data

Abstract

The present application relates to a sensing information reporting method and device. The method comprises: a terminal device receiving first configuration information, the first configuration information being used for indicating a sensing information reporting event. In the embodiment of the present application, using a sensing information reporting event helps to more-reasonably report sensing information, thereby reducing unnecessary reporting overhead.

IPC Classes  ?

• H04W 24/02 - Arrangements for optimising operational condition
• H04W 72/00 - Local resource management

Abstract

An imaging lens assembly includes a first lens group for shooting at a short focal length, a second lens group for shooting at a long focal length, a third lens group for shooting at the short focal length and the long focal length, a first minor positioned between the first lens group and the third lens group; and a second mirror positioned between the second lens group and the third lens group. The first lens group and second lens group change its position in an optical axis direction between a shooting state and a lens storage state. The first minor or second mirror forms an optical path optically connecting a corresponding lens group and the third lens group. The first minor or second minor secure a storage space for the corresponding lens group.

IPC Classes  ?

• G02B 13/00 - Optical objectives specially designed for the purposes specified below

Abstract

An image decoding method according to the present disclosure may include the steps of: determining whether a combined prediction mode is applied to a current block; when the combined prediction mode is applied to the current block, obtaining first and second prediction blocks with respect to the current block; and, on the basis of a calculation of a weighted sum of the first and second prediction blocks, obtaining a third prediction block with respect to the current block.

IPC Classes  ?

• H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
• H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
• H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
• H04N 19/176 - 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 an image region, e.g. an object the region being a block, e.g. a macroblock

Abstract

Disclosed are a resource reselection method and a terminal device. The method includes: determining target selected slots and target sensing slots by a terminal device; obtaining a candidate resource set by performing resource exclusion on candidate resources in the target selected slots according to non-monitored slots and/or sensing result in the target sensing slots; and in a case where it is determined to perform reselection for a first resource that has been selected by the terminal device, selecting a second resource from the candidate resource set for replacement of the first resource.

IPC Classes  ?

• G06F 9/50 - Allocation of resources, e.g. of the central processing unit [CPU]

Abstract

A wireless communication method and devices, capable of achieving backscattering communication of zero-power devices on TDD spectrum. The method includes: a terminal device receives a signal transmitted from a first device, the signal is configured for powering the terminal device and/or for backscattering communication by the terminal device, and the first device being a device other than a network device that provides services to the terminal device.

IPC Classes  ?

• H04L 5/14 - Two-way operation using the same type of signal, i.e. duplex
• H04W 52/18 - TPC being performed according to specific parameters

Abstract

A wireless communication method, a station device, and an access point device. The method includes: a station device sending a first request frame to a first access point device, wherein the first request frame includes first indication information and/or second indication information. The first indication information is used for indicating whether the station device requests that the first access point device transfers national security and emergency preparedness (NSEP) priority access license information to a second access point device; the second indication information is used for indicating whether the station device requests the acquisition of an enhanced distributed channel access (EDCA) parameter set; the first access point device is an access point device that is currently associated with the station device; and the second access point device is a target access point device that is to be associated with the station device.

IPC Classes  ?

• H04W 36/00 - Handoff or reselecting arrangements
• H04W 36/08 - Reselecting an access point

Abstract

The present disclosure relates to the field of Bluetooth broadcasting, and discloses a sending method and a receiving method for Bluetooth broadcasting, and a device. The sending method for Bluetooth broadcasting includes: sending, by a first Bluetooth device, extension broadcast package for the Bluetooth broadcasting to a second Bluetooth device; where the extension broadcast package is configured to carry a uniform resource locator URL address, and the URL address is configured to point to target information. The receiving method for Bluetooth broadcasting includes: receiving, by a second Bluetooth device, extension broadcast package for the Bluetooth broadcasting sent from a first Bluetooth device; where the extension broadcast package is configured to carry a uniform resource locator URL address, and the URL address is configured to point to target information; and obtaining, by the second Bluetooth device, the target information according to the URL address.

IPC Classes  ?

• H04W 72/30 - Resource management for broadcast services
• H04N 21/218 - Source of audio or video content, e.g. local disk arrays

Abstract

A wireless communication method includes: a type or terminal group to which a terminal device belongs is determined; and a backscatter signal is sent based on a transmission resource, a backoff parameter or a time unit corresponding to the type or terminal group to which the terminal device belongs.

IPC Classes  ?

• H04W 72/1263 - Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
• H04W 72/542 - Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality

Abstract

Provided are a communication method, a communication apparatus, and a non-transitory computer-readable storage medium. The communication method includes: transmitting or receiving, by a first user equipment UE, a first discovery message; where the first UE is a remote UE, or the first UE is one of multi-hop relay UEs in a topological connection between a remote UE and a network; and the first discovery message includes first identification information and/or hop count information, and the first discovery message is configured to identify UEs in the topological connection.

IPC Classes  ?

• H04W 8/00 - Network data management
• H04W 76/19 - Connection re-establishment

Abstract

A prediction decoding method, a prediction decoding apparatus, and a non-transitory computer storage medium are provided. The method includes the following. First multiple neighbouring reference samples of a coding block are determined, where the first multiple neighbouring reference samples include reference samples in a reference row or a reference column neighbouring the coding block. Positions corresponding to K reference samples are determined from a starting position of the reference row or the reference column, where K is a positive integer. Second multiple neighbouring reference samples are determined according to the determined positions corresponding to the K reference samples, where the second multiple neighbouring reference samples include neighbouring reference samples among the first multiple neighbouring reference samples. Prediction decoding is performed on the coding block according to the second multiple neighbouring reference samples.

IPC Classes  ?

• H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
• H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
• H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
• H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
• H04N 19/176 - 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 an image region, e.g. an object the region being a block, e.g. a macroblock

Abstract

Disclosed in embodiments of the present application are encoding and decoding methods, an encoder, a decoder, a code stream, and a computer storage medium. At an encoding end and a decoding end, for whether location information of a current node satisfies a first condition and a second condition, respectively, an identifier of the current node is valued, so that whether a planar mode is allowed to be used to decode or encode the current node can be determined by using a small amount of computation. In addition, at the decoding end, the value of the identifier of the current node can be decoded from the code stream, so that whether a planar mode is allowed to be used to decode the current node can be obtained. Upon comparison with modes used in the related art of determining for the current node whether a planar mode is allowed to be used to decode or encode the current node, the encoding and decoding gains of the planar mode are improved while the computation complexity is simplified.

IPC Classes  ?

• H04N 19/96 - Tree coding, e.g. quad-tree coding

Abstract

An information update method and apparatus, and a device and a storage medium, which belong to the technical field of wireless local area networks. The method comprises: when an over-the-air (OTA) media access control (MAC) address of a station device changes, updating new first information of the station device according to first secret information, wherein the first information is information used when transmission is performed between the station device and an access point device, and the first secret information is information pre-determined by the station device and the access point device. The present solution can save on signaling resources.

IPC Classes  ?

• H04W 12/00 - Security arrangements; Authentication; Protecting privacy or anonymity

Abstract

The present application relates to an electronic device (100, 100') and a holder (200, 200'). The electronic device (100, 100') comprises a detection assembly and a controller. The detection assembly is used for detecting the state of the electronic device (100, 100') relative to the holder (200, 200'). The holder (200, 200') comprises a main body portion (210, 210') and a support portion (220, 220'). The support portion (220, 220') can be unfolded and folded relative to the main body portion (210, 210'). When the support portion (220, 220') is unfolded relative to the main body portion (210, 210'), the support portion (220, 220') can support the electronic device (100, 100') by means of the main body portion (210, 210'), and the controller is coupled to the detection assembly and is configured to: control, when the electronic device (100, 100') abuts against the holder (200, 200') and the support portion (220, 220') is unfolded relative to the main body portion (210, 210'), the electronic device (100, 100') to display in a horizontal screen.

IPC Classes  ?

• H04M 1/72448 - User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions

Abstract

A file processing method and apparatus, an electronic device, and a storage medium. The method comprises: displaying a first interface of a first application in a first display region, the first interface comprising file content corresponding to a first file; in response to a first control operation, displaying a file identifier of the first file in a second interface displayed in a second display region; and in response to a first operation on the file identifier in the second interface, performing processing corresponding to the first operation on the first file. Thus, a user can conveniently process a file.

IPC Classes  ?

• G06F 3/04817 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons

Abstract

A foldable electronic device, comprising a first part and a second part, wherein the first part and the second part can relatively rotate to a folded state or an unfolded state. The foldable electronic device further comprises: a first antenna, which is is arranged on the first part, wherein the first antenna is used for transmitting an NFC signal; and a second antenna, which is arranged on the second part, wherein the second antenna is used for transmitting an NFC signal, and when the electronic device is in the folded state, the direction of an NFC radiation field generated by the first antenna is the same as the direction of an NFC radiation field generated by the second antenna.

IPC Classes  ?

• H01Q 1/36 - Structural form of radiating elements, e.g. cone, spiral, umbrella

Abstract

The present application provides a camera module and an electronic device. The camera module comprises: an accommodating assembly, the accommodating assembly comprising a base and a protective shell, and the protective shell and the base jointly forming an accommodating space; a lens assembly, the lens assembly being at least partially located in the accommodating space and being movably connected to the base; and a first piezoelectric module, the first piezoelectric module being located in the accommodating space, one end of the first piezoelectric module being connected to the accommodating assembly, the other end of the first piezoelectric module movably abutting against the lens assembly, and the first piezoelectric module being used for driving the lens assembly to move in a first direction or a second direction along the surface of the base during power-on, wherein the first direction and the second direction are not parallel and are both perpendicular to the optical axis. Compared with the related art, the camera module provided by the present application can be made to have a smaller volume.

IPC Classes  ?

• H04N 23/55 - Optical parts specially adapted for electronic image sensors; Mounting thereof
• H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations

Abstract

A wireless communication method and a device. The method is applied to a first device. The first device does not perform energy collection and communication simultaneously. The method comprises: the first device communicates with a second device according to a first time-domain resource, the first time-domain resource being a preset time-domain resource, and the first device obtains, by means of energy collection, energy for communication.

IPC Classes  ?

• H04W 76/00 - Connection management

Abstract

An encoding and decoding method, an encoder, a decoder, and a storage medium. The decoder decodes a bitstream, determines high throughput mode identification information of a current block, and determines, on the basis of the high throughput mode identification information, a coefficient of the current block using at least one of a context mode, a bypass mode, and an alignment process. The decoder determines decoded information, determines the high throughput mode identification information of the current block according to the decoded information, and determines, on the basis of the high throughput mode identification information, the coefficient of the current block using at least one of the context mode, the bypass mode, and the alignment process.

IPC Classes  ?

• H04N 19/46 - Embedding additional information in the video signal during the compression process
• H04N 19/176 - 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 an image region, e.g. an object the region being a block, e.g. a macroblock

Abstract

Embodiments of the discourse provide a method and a device for wireless communication. The method includes the following. A terminal device receives a power supply signal, where the power supply signal contains an indication information indicating synchronization information. The terminal device performs synchronization based on the synchronization information or determines uplink timing or downlink timing based on the synchronization information.

IPC Classes  ?

• H04W 56/00 - Synchronisation arrangements

Abstract

Provided in the present application are a resource configuration method and a device, which can be applied to a sidelink communication system. The method comprises: a first device sending first information to a second device, wherein the first information comprises assistance information, and the assistance information comprises the value of at least one sidelink DRX parameter that is indicated by the first device. The second device can configure the sidelink DRX parameter for the first device according to the first information.

IPC Classes  ?

• H04W 76/28 - Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Abstract

The present disclosure discloses a positioning method and apparatus, a device, and a medium, and relates to the technical field of communications. The positioning method includes: determining, by a terminal, a first anchor entity. The first anchor entity is configured to transmit a positioning reference signal (PRS)

IPC Classes  ?

• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
• H04B 17/318 - Received signal strength
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 76/20 - Manipulation of established connections

Abstract

A method and apparatus for determining a time window, and a chip are provided. The method includes that: a terminal device determines a target time window for monitoring a power saving signal. The target time window includes at least one monitoring occasion. A position of the target time window is determined based on at least one of a position of a target synchronization signal/physical broadcast channel block (SSB) set or a position of a target paging unit.

IPC Classes  ?

• H04W 52/02 - Power saving arrangements

Abstract

Provided are a wireless communication method, a terminal device and a network device. The wireless communication method is used for the terminal device, and when the network device connected to the terminal device is switched from a source network device to a target network device, the connection between the terminal device and the source network device and the connection between the terminal device and the target network device are both maintained. Said method comprises: when the terminal device satisfies a first condition, releasing the connection between the terminal device and a source network device. In the implementations of the present application, during switching of the terminal device, the connection between the terminal device and the source network device and the connection between the terminal device and the target network device are both maintained, effectively reducing the delay in the process of switching the network device connected to the terminal device from the source network device to the target network device.

IPC Classes  ?

• H04W 28/06 - Optimising, e.g. header compression, information sizing
• H04L 1/1867 - Arrangements specially adapted for the transmitter end
• H04W 12/03 - Protecting confidentiality, e.g. by encryption
• H04W 12/0431 - Key distribution or pre-distribution; Key agreement
• H04W 80/02 - Data link layer protocols

Abstract

A data transmission method and apparatus, a terminal device and a network device are provided. The method comprises: a first terminal determines a protocol data unit (PDU) session type; and the first terminal relays data between a network device and a second terminal on the basis of a PDU session corresponding to the PDU session type.

IPC Classes  ?

• H04W 8/00 - Network data management
• H04W 48/18 - Selecting a network or a communication service
• H04W 76/14 - Direct-mode setup

Abstract

Methods and systems for compressing image data based on object size adaptation information. According to certain embodiments, an exemplary encoding method may include: detecting a first object from an input image; determining a first size adaptation parameter associated with the first object; and compressing the input image based on the first size adaptation parameter.

IPC Classes  ?

• H04N 19/52 - Processing of motion vectors by encoding by predictive encoding

Abstract

Methods and systems for encoding and decoding image data used by machine vision applications are provided. According to certain embodiments, an exemplary encoding method may include: determining one or more regions of interest (ROIs) in an image; modifying the image based on the one or more ROIs, wherein modifying the image comprises at least one of the following: modifying a first ROI based on a portion of the image surrounding the first ROI; reducing content of a second ROI; or reducing a size of a third ROI; and compressing the modified image.

IPC Classes  ?

• H04N 7/24 - Systems for the transmission of television signals using pulse code modulation

Abstract

A light-emitting device includes a backplane, a light-emitting part, and a drive circuit. The light-emitting part includes a first light-emitting layer, a second light-emitting layer, and a third light-emitting layer. The first light-emitting layer is disposed on the backplane and emits light having a first color. The second light-emitting layer is disposed on the first light-emitting layer and emits light having a second color. The third light-emitting layer is disposed on the second light-emitting layer and emits light having a third color. The first to third light-emitting layers include indium gallium nitride. The drive circuit drives at least one of the first, second, and third light-emitting layers according to a second current density lower than a first current density and makes a pulse width corresponding to the second drive current density to be different from a pulse width corresponding to the first drive current density.

IPC Classes  ?

• H01L 33/06 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier

Abstract

A wireless communication method, a terminal device, and a network device. The method comprises: a terminal device determining the number N of phase tracking reference signal (PTRS) ports used for uplink transmission of X antenna ports, wherein X is an integer greater than 4; determining an antenna port and a transport layer which are associated with each of the N PTRS ports; determining a power boost value of each of the N PTRS ports; and transmitting PTRSs on at least some of the N PTRS ports according to the antenna port and the transport layer which are associated with each PTRS port, and the power boost value.

IPC Classes  ?

• H04W 72/12 - Wireless traffic scheduling

Abstract

Embodiments of the present application provide a point cloud decoding method, a point cloud encoding method, a decoder, and an encoder. The point cloud decoding method comprises: decoding a code stream of a point cloud, and determining a residual value of attribute information of a target point in the point cloud; on the basis of the residual value of the attribute information of the target point and a predicted value of the attribute information of the target point, determining an initial reconstruction value of the attribute information of the target point; determining a filtering coefficient of the target point; and filtering the initial reconstruction value of the attribute information of the target point on the basis of the filtering coefficient of the target point, and determining a reconstruction value of the attribute information of the target point. According to the present application, the initial reconstruction value of the attribute information of the target point is filtered by using the filtering coefficient of the target point, so that the decoding performance is improved, and the quality of a reconstructed point cloud is enhanced.

IPC Classes  ?

• H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
• G06T 9/00 - Image coding

Abstract

The present application provides a video encoding method and apparatus, a video decoding method and apparatus, a device, a system, and a storage medium. When encoding and decoding a current block, N candidate weight derivation modes and a candidate prediction mode list are determined, wherein the candidate prediction mode list comprises at least one candidate prediction mode, and the at least one candidate prediction mode comprises a prediction mode determined based on division of a template of the current block. That is, according to the present application, when determining candidate prediction modes, prediction modes are derived by means of a divided template, and accurate derivation of the prediction modes is achieved, thereby improving the accuracy of determining a candidate prediction mode list; and when prediction is carried out based on the accurately determined candidate prediction mode list, the prediction accuracy and the encoding and decoding performance can be improved.

IPC Classes  ?

• H04N 19/52 - Processing of motion vectors by encoding by predictive encoding

Abstract

A coding method and apparatus, a decoding method and apparatus, a coder, a decoder, a code stream, and a storage medium. The decoding method comprises: determining a first reference block of the current block; obtaining a first intra-frame prediction value of the current block according to a sample value of a reconstructed area adjacent to the current block and a sample value of the first reference block; and determining a reconstruction value of the current block according to the first intra-frame prediction value of the current block.

IPC Classes  ?

• H04N 19/52 - Processing of motion vectors by encoding by predictive encoding
• H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
• H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
• H04N 19/176 - 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 an image region, e.g. an object the region being a block, e.g. a macroblock

Abstract

Disclosed in embodiments of the present application are an encoding method, a decoding method, a code stream, an encoder, a decoder, and a storage medium. A method comprises: determining a first color component block of the current block; if a prediction mode of the first color component block is an IBC mode, determining a first block vector parameter of the first color component block; determining a target block vector parameter of a second color component of the current block according to the first block vector parameter of the first color component block; and performing prediction processing in an IBC extension mode on the second color component of the current block according to the target block vector parameter to determine a predicted value of the second color component of the current block. In this way, the accuracy of chroma prediction can be improved, so that the encoding/decoding efficiency can be improved.

IPC Classes  ?

• H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
• H04N 19/96 - Tree coding, e.g. quad-tree coding
• H04N 19/61 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Abstract

Methods and systems for video processing are provided. In some embodiments, the method includes (i) receiving an input image via an initial feature extraction portion, wherein the initial feature portion includes a result of RPR up-sampling, a low resolution (LR) reconstructed frame, and an LR predicted frame; (ii) processing the input image by a first convolution layer; and (iii) processing the input image by a multi-level semantic information mapping portion to generate a combined image, wherein the multi-level semantic information mapping portion includes one or more residual spatial and channel attention blocks (RSCBs). Each of the RSCBs includes two or more residual spatial blocks (RSBs) and a channel attention (CA) block. Each of the RSBs includes a spatial attention (SA) block.

IPC Classes  ?

• G06T 3/40 - Scaling of a whole image or part thereof
• H04L 27/00 - Modulated-carrier systems

Abstract

Embodiments of the present application disclose encoding and decoding methods, an encoder, a decoder, a code stream, and a storage medium. The decoding method comprises: parsing a code stream, and determining first syntax element identification information of a component to be filtered of a current frame or current slice, wherein the first syntax element identification information is used for determining whether a component to be filtered of each block of the current frame or current slice is filtered by using a preset network model; when the first syntax element identification information indicates that there is a component to be filtered of a division block in the current frame or current slice to be allowed to be filtered by using the preset network model, determining quantization parameter information of said component, and determining second syntax element identification information; and on the basis of the second syntax element identification information, the quantization parameter information and the preset network model, filtering the current block of the current frame or current slice to obtain a filtered reconstruction value of said component of the current block.

IPC Classes  ?

• H04N 19/117 - Filters, e.g. for pre-processing or post-processing

Abstract

A neural network based loop filter (NNLF) method, a video encoding method and apparatus, a video decoding method and apparatus, and a system. When an encoding end performs NNLF on a reconstructed image, an optimal mode among a chrominance information fusion mode and other modes can be selected for NNLF, and a corresponding flag can be set, wherein an NNLF model used in the chrominance information fusion mode is trained using training data obtained by adjustment of chrominance information. According to the flag, a decoding end selects one of the modes to perform NNLF on the reconstructed image. The encoding performance can be improved.

IPC Classes  ?

• H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Abstract

Neural network based loop filter methods, a video coding method and apparatus, a video decoding method and apparatus, and a system. When a coding end performs NNLF on a reconstructed image, selecting an NNLF mode for performing residual adjustment or an NNLF mode not performing residual adjustment; and a decoding end selecting, according to a flag, one of the modes to perform NNLF on the reconstructed image. The coding performance can be improved.

IPC Classes  ?

• H04N 19/30 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
• H04N 19/42 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
• H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Abstract

Embodiments of the present application provide a channel information feedback method, a transmitting end device, and a receiving end device. Channel information (such as CSI) feedback can adapt to different channel information input and output dimensions and different feedback overhead configurations, thereby improving the feedback performance of channel information, and also improving the flexibility and expandability of an encoding network and a decoding network in actual deployment. The channel information feedback method comprises: a transmitting end device encodes first channel information by means of an encoding network to obtain a first feedback bit stream; and the transmitting end device sends the first feedback bit stream to a receiving end device, wherein the first channel information is channel information which is aligned with target channel information in a first dimension after pre-processing, and/or the first feedback bit stream is a feedback bit stream obtained after a feedback bit stream outputted by the encoding network is post-processed and then aligned with a target feedback bit stream, and the first dimension is at least one of the following: the number of transmitting antenna ports, the number of sub-bands, the number of RBs, the number of delay paths, the number of symbols, and the number of time slots.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems

Abstract

The present application provides an encoding method and apparatus, a decoding method and apparatus, an encoder, a decoder, and a storage medium. For an application scenario that comprises visual media content in one or more expression formats, homogeneous blocks in different expression formats are spliced into a heterogeneous hybrid spliced image, homogeneous blocks in the same expression format are spliced into a homogeneous spliced image, the obtained spliced images and spliced image information are written into a code stream, and for the heterogeneous hybrid spliced image, the homogeneous blocks in the different expression formats can correspond to different information. In this way, data in different expression formats is subjected to hybrid encoding, such that the number of called encoders and the number of called decoders can be reduced, the implementation cost can be lowered, and the usability can be improved. Moreover, for the heterogeneous hybrid spliced image, certain high-level parameters of different expression format blocks can be unequal, so that heterogeneous data provides more appropriate high-level parameters, and the encoding efficiency can be effectively improved, i.e., reducing the bit rate or improving the quality of a reconstructed multi-view video or point cloud video.

IPC Classes  ?

• 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

Abstract

An optical waveguide assembly (100) and an augmented reality device (500). The optical waveguide assembly (100) comprises: an optical waveguide (10), the optical waveguide (10) comprising a light conduction layer (11) and a grating layer (13), the light conduction layer (11) being used for transmitting an optical signal entering the light conduction layer (11), and the grating layer (13) being provided on the surface of the light conduction layer (11); first protection layers (20), the first protection layers (20) being arranged at intervals on the side of the grating layer (13) facing away from the light conduction layer (11); first support members (40), the first support members (40) being disposed between the optical waveguide (10) and the first protection layers (20); and a first connecting member (60), provided between the optical waveguide (10) and the first protection layers (20) and connected to both the first protection layers (20) and the optical waveguide (10), the first connecting member (60) being arranged to surround the periphery of the first support members (40) and the periphery of the grating layer (13). The optical waveguide assembly (100) of the present application may better solve the problem that under the action of low temperature or external force, the first protection layers (20) are recessed to generate Newton's rings and thus affect the light transmittance of the optical waveguide assembly (10).

IPC Classes  ?

• G02B 6/124 - Geodesic lenses or integrated gratings
• G02B 27/01 - Head-up displays

Abstract

An optical waveguide assembly (100) and an augmented reality device (500). The optical waveguide assembly (100) comprises an optical waveguide (10). The optical waveguide (10) comprises: an optical conduction layer (11), the optical conduction layer (11) being made of resin, and the optical conduction layer (11) being used for transmitting an optical signal, which enters the optical conduction layer (11); and a grating layer (13), the grating layer (13) being arranged on one side of the light conduction layer (11), and the grating layer (13) comprising a coupling-in grating (131) and a coupling-out grating (133), which are arranged spaced apart from each other. The refractive index of the grating layer (13) is greater than the refractive index of the optical conduction layer (11). The optical waveguide assembly (100) is light in terms of weight and strong in terms of anti-drop capability, and has relatively high luminous efficiency.

IPC Classes  ?

• G02B 6/00 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
• G02B 27/01 - Head-up displays

Abstract

The present application discloses an antenna assembly, a middle frame assembly, and an electronic device, being related to the technical field of communications. In the present application, a radiator is provided with a first free end, a second free end, a first feed point, and a first grounding point, and the first feed is used to excite the radiator so as to support a first frequency band and a second frequency band; the first feed is electrically connected to the first feed point by means of a first frequency selection circuit, the first frequency selection circuit is grounded, and the current supporting the first frequency band is configured to flow from the ground, through the first frequency selection circuit, and to be inputted into the radiator; the first grounding point is grounded by means of a tuning circuit, and the current supporting the second frequency band is configured to flow from the ground, through the tuning circuit, and to be inputted into the radiator. In the present application, the feed-in of the first feed is implemented using one feed point, so that the antenna assembly implements wireless transmission functions on two frequency bands by means of a single radiator, effectively lowering the number of radiators, and further reducing the space occupied by the antenna assembly in the electronic device.

IPC Classes  ?

• H01Q 1/36 - Structural form of radiating elements, e.g. cone, spiral, umbrella

Abstract

Provided in the present application are an optical lens system, an image capturing device and an electronic apparatus. The optical lens system provided in the present application sequentially comprises, from an object side to an image side: a prism having total reflection, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power, wherein object-side surfaces and image-side surfaces of the first lens, the second lens, the third lens, the fourth lens and the fifth lens are all non-spherical surfaces. The optical lens system satisfies the following conditional expression: TTL/EFL < 1.05, where TTL is the total track length of the optical lens system, and EFL is the effective focal length of the optical lens system. A periscope telephoto lens is formed by the optical lens system of the present application, same can meet photographing requirements of a telephoto lens having a large image surface, and has a good imaging effect while ensuring miniaturization and ultra-thinness, thereby improving the imaging quality.

IPC Classes  ?

• G02B 13/00 - Optical objectives specially designed for the purposes specified below
• G02B 13/18 - Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
• G02B 13/06 - Panoramic objectives; So-called "sky lenses"

Abstract

A device control method and apparatus (1500), and an electronic device (1600), a computer-readable medium (1700) and a computer program product (1800). When a multimedia file is played, different working states can be determined, and on the basis of different conditions, a volume value for playing the multimedia file can be adjusted or the multimedia file can be controlled to play or pause, without requiring intervention from a user, such that the operation burden for the user is reduced, and the usage convenience is improved.

IPC Classes  ?

• G06F 3/16 - Sound input; Sound output
• G06F 3/048 - Interaction techniques based on graphical user interfaces [GUI]

Abstract

The present application relates to an electronic device, comprising: a conductive sliding cover (20), a middle frame (10), an antenna unit (50), and a conductive element. The middle frame (10) is opposite to and spaced from the conductive sliding cover (20), and comprises a first conductive middle plate and a second conductive middle plate that are slidably connected to each other; the conductive sliding cover (20) is connected to the second conductive middle plate and slides relative to the first conductive middle plate along with the second conductive middle plate, so that the electronic device is in an expanded state or a contracted state; the antenna unit (50) is arranged on the first conductive middle plate; the conductive element is connected to the conductive sliding cover (20); and when the electronic device is in the contracted state, the conductive element is arranged adjacent to the antenna unit (50), so as to reduce the absorption of electromagnetic energy radiated from the antenna unit (50) by the conductive sliding cover (20).

IPC Classes  ?

• H01Q 1/22 - Supports; Mounting means by structural association with other equipment or articles
• H01Q 1/50 - Structural association of antennas with earthing switches, lead-in devices or lightning protectors
• H01Q 1/52 - Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

Abstract

The present application discloses a foldable electronic device. A first antenna assembly is disposed on a first frame, and comprises a first feed source, a first radiating segment and a second radiating segment, a first coupling gap being formed between the first radiating segment and the second radiating segment, and the first antenna assembly being used to generate resonance of a first frequency band. A first coupling branch is disposed on a second frame, the first coupling branch comprising a first coupling segment and a second coupling segment, and a second coupling gap being formed between the first coupling segment and the second coupling segment. A second antenna assembly is disposed on the second frame, and comprises a second feed source and a second radiator, the second radiator being connected to the first coupling branch and grounded at the connection, and the second antenna assembly generating resonance of the first frequency band. When the second frame and the first frame are folded with each other, the second radiator does not overlap with a first radiator, the second coupling gap overlaps with the first coupling gap, the first coupling segment is coupled with the first radiating segment, and the second coupling segment is coupled with the second radiating segment, so as to improve communication performance.

IPC Classes  ?

• H01Q 1/52 - Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
• H01Q 1/44 - ANTENNAS, i.e. RADIO AERIALS - Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna
• H01Q 1/24 - Supports; Mounting means by structural association with other equipment or articles with receiving set

Abstract

The present disclosure discloses an audio playback method, an audio playback device, a computer-readable storage medium. The audio playback method includes: obtaining a noise signal; obtaining a noise canceling signal by performing a noise reduction process on the noise signal; and playing a low-frequency portion of the noise canceling signal through a first speaker.

IPC Classes  ?

• G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
• H04R 1/10 - Earpieces; Attachments therefor
• H04R 3/00 - Circuits for transducers

Abstract

An access point (AP), a station (STA), and a wireless communication method are provided. The wireless communication method includes determining, by an AP, a criterion for latency sensitive traffic and determining, by the AP, one or more traffic stream identifiers (TSIDs) for TS-based latency sensitive traffic comprising a TS with a particular traffic specification (TSPEC), wherein the TSPEC comprises extended parameters. The wireless communication method further includes setting up, by the AP, a restricted target wake time (TWT) for the one or more TSIDs.

IPC Classes  ?

• H04L 47/2483 - Traffic characterised by specific attributes, e.g. priority or QoS involving identification of individual flows
• H04L 47/283 - Flow control; Congestion control in relation to timing considerations in response to processing delays, e.g. caused by jitter or round trip time [RTT]
• H04W 28/02 - Traffic management, e.g. flow control or congestion control

Abstract

Related to the technical field of communication, validity period determinations are provided. For example, a terminal determines a validity period of ephemeris information, the validity period meeting a synchronization requirement of the terminal. By determining the validity period of the ephemeris information that meets the synchronization requirement, the terminal can ensure the real-time accuracy of the ephemeris information at the terminal, thereby ensuring that a time delay and a Doppler frequency shift calculated by the terminal based on the ephemeris information have only small errors. Since the errors do not exceed a range tolerated by the synchronization requirement, the synchronization performance of the terminal can be guaranteed.

IPC Classes  ?

• H04W 56/00 - Synchronisation arrangements

Abstract

A waveguide assembly, an optical device and smart glasses are provided. The waveguide assembly includes a first waveguide layer, a second waveguide layer, and a first spacing layer. The first spacing layer includes a first region and a second region. A refractive index of the first region is less than that of the first waveguide layer and that of the second waveguide layer. A refractive index of the second region is less than that of the first region.

IPC Classes  ?

• F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems

Abstract

The present disclosure discloses a Quality of Service (QoS) adjustment method and apparatus, a device, and a medium, which relate to the field of communications. The method includes: transmitting, by a first network entity, first information to a second network entity. The first information is used to adjust a transmission demand or a QoS parameter or a QoS configuration. The first information comprises at least one of: information related to an air interface; information related to a Radio Access Network (RAN); or information related to a terminal.

IPC Classes  ?

• H04W 28/02 - Traffic management, e.g. flow control or congestion control
• H04L 43/0829 - Packet loss
• H04W 76/20 - Manipulation of established connections

Abstract

The present disclosure relates to mobile communication technology, and provides a data transmission method, an apparatus, a device, and a storage medium. The method includes: receiving control indication information transmitted by a session management network element. The control indication information instructs the terminal device to perform transmission control on a service data flow at an application data unit level.

IPC Classes  ?

• H04W 28/02 - Traffic management, e.g. flow control or congestion control
• H04W 28/06 - Optimising, e.g. header compression, information sizing

Abstract

Embodiments of the present invention provide a method for determining a DRX activation period and a terminal device, which are applied to the technical field of communications. The embodiments of the present invention comprise: determining a discontinuous reception (DRX) activation period according to a transmission duration of a physical uplink shared control channel (PUSCH) binding transmission and first round-trip time (RTT).

IPC Classes  ?

• H04L 1/1829 - Arrangements specially adapted for the receiver end
• H04W 76/28 - Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Abstract

A wireless communication method and a terminal device are provided. The wireless communication method includes: receiving, by a terminal device, a first signal for power harvesting; and monitoring, by the terminal device, a second signal, the second signal being configured to schedule or trigger the terminal device for data transmission, and the second signal being transmitted at multiple transmission occasions.

IPC Classes  ?

• H02J 50/00 - Circuit arrangements or systems for wireless supply or distribution of electric power
• H04W 52/02 - Power saving arrangements

Abstract

According to one aspect of the present disclosure, a method of video post-processing may include receiving, by a processor, a plurality of input feature maps associated with an image. The plurality of input feature maps may be generated by a video pre-processing network. The video post-processing method may include inputting, by the processor, the plurality of input feature maps into a first depth-wise separable convolutional (DSC) network of a fast residual channel attention network (FRCAN) component. The video post-processing method may include outputting, by the processor, a first set of output feature maps from the first DSC network of the FRCAN component.

IPC Classes  ?

• G06T 7/00 - Image analysis

Abstract

A method of generating an enhanced frame at a video encoder is provided. The method may include receiving, by a weakly connected dense attention block (WCDAB) backbone (403) of a convolutional neural network (CNN) of an in-loop filter (400), a first set of feature extractions as an input. The first set of feature extractions may be associated with a reconstructed frame (402a). The method may include applying, by the WCDAB backbone (403) of the CNN of the in-loop filter (400), a plurality of depth-wise separable convolutions to the first set of feature extractions to generate a set of global features. The method also provides an efficient multi-stage training strategy based on progressive learning. The multi-stage training strategy maximizes the performance of the proposed network.

IPC Classes  ?

• H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Abstract

According to one aspect of the present disclosure, a method of video encoding is provided. The method may include receiving, by a Lightweight Multi-level mixed Scale and Depth information with Attention mechanism (LMSDA) network, an input image. The method may include extracting, by the LMSDA network, a first set of features from the input image. The method may include inputting, by the LMSDA network, the first set of features through a plurality of LMSDA blocks (LMSDABs). The method may include generating, by the LMSDA network, a second set of features based on an output of the LMSDABs. The method may include reducing, by the LMSDA network, a number of channels associated with the second set of features output by the LMSDABs using a convolutional layer. The method may include upsampling, by the LMSDA network, the second set of features to generate an enhanced output image.

IPC Classes  ?

• G06V 10/00 - Arrangements for image or video recognition or understanding

Abstract

Methods and systems for retargeting an image based on regions of interest. According to certain embodiments, an exemplary encoding method may include: determining one or more regions of interest (ROIs) in an image; performing, based on one or more downscaling factors associated with the one or more ROIs, at least one of horizontal downscaling or vertical downscaling of the image; and compressing the downscaled image.

IPC Classes  ?

• H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking

Abstract

Methods and systems for preprocessing image data prior to encoding of the image data are disclosed. According to certain embodiments, an exemplary method may include determining a plurality of regions in an image. The plurality of regions includes: one or more objects, one or more buffer regions respectively surrounding the one or more objects, and a background region surrounding the one or more buffer regions. The exemplary preprocessing method may further include: assigning samples of the image to the plurality of regions; modifying values of one or more samples based on the assignment; and compressing the image based on the modified values of the one or more samples.

IPC Classes  ?

• H04N 19/103 - Selection of coding mode or of prediction mode

Abstract

Provided in the present application are a coding method and apparatus, a decoding method and apparatus, a coder, a decoder, and a storage medium. For an application scenario comprising visual media content in one or more expression formats, isomorphic blocks in different expression formats are spliced into a heterogeneous hybrid spliced image, isomorphic blocks in the same expression format are spliced into an isomorphic spliced image, and the obtained spliced images and spliced image information are written into a code stream; moreover, for the heterogeneous hybrid spliced image, the isomorphic blocks in different expression formats are allowed to correspond to different pieces of information. In this way, hybrid coding is performed on data in different expression formats, such that the number of coders and decoders, which are invoked, can be reduced, thereby reducing the implementation cost, and improving the usability. Moreover, for the heterogeneous hybrid spliced image, some higher-layer parameters of blocks in different expression formats may be unequal, such that heterogeneous data provides more suitable higher-layer parameters, thereby effectively improving the coding efficiency, i.e., reducing a bitrate or improving the quality of a reconstructed multi-view video or point cloud video.

IPC Classes  ?

• H04N 19/597 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding

Abstract

Provided in the embodiments of the present application are a zero-power-consumption communication method and apparatus, and a terminal device and a network device. The method comprises: a terminal device determining a first channel and/or a second channel; and the terminal device receiving, on the first channel, a first signal, which is sent by a network device, and/or sending, on the second channel, a second signal to a network device.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems

Abstract

Disclosed in the embodiments of the present application are an encoding method, a decoding method, a code stream, an encoder, a decoder, and a storage medium. The decoding method comprises: decoding a code stream, so as to determine a prediction parameter of the current block; determining a first prediction block of the current block according to the prediction parameter; determining a model parameter according to a first color component value and a second color component value in the first prediction block; determining a reference sample value of a first color component sampling point of the current block, and determining a prediction value of a second color component sampling point of the current block according to the reference sample value of the first color component sampling point of the current block and the model parameter; and determining a reconstruction value of the second color component sampling point of the current block according to the prediction value of the second color component sampling point of the current block. In this way, the accuracy of inter-frame chromaticity prediction can be improved, a code rate is saved on, and the encoding and decoding performance can also be improved.

IPC Classes  ?

• H04N 19/186 - 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 a colour or a chrominance component
• H04N 19/117 - Filters, e.g. for pre-processing or post-processing

Abstract

Provided in the embodiments of the present application are an encoding method and a decoding method. The decoding method comprises: at a decoding end, decoding a code stream to determine a BVD absolute value and BVD symbol index information of a current block; according to the BVD absolute value of the current block, sorting candidate BVDs of the current block to determine a sorting result; according to the BVD symbol index information and the sorting result, determining a BVD of the current block; and, according to the BVD of the current block, determining a reconstruction value of the current block. The encoding method comprises: at an encoding end, sorting candidate BVDs of a current block according to a BVD absolute value of the current block to determine a sorting result; according to BVD symbol information and the sorting result of the current block, determining BVD symbol index information of the current block; and writing the BVD absolute value and the BVD symbol index information into a code stream.

IPC Classes  ?

• H04N 19/52 - Processing of motion vectors by encoding by predictive encoding
• H04N 19/86 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Abstract

A neural network based loop filter method and apparatus, a video coding method and apparatus, a video decoding method and apparatus, and a system. When NNLF is performed on a reconstructed image, a coding end can select an NNLF mode in which chrominance information adjustment is performed, or an NNLF mode in which chrominance information adjustment is not performed; and according to a corresponding tag, a decoding end selects one of the modes to perform NNLF on the reconstructed image. Therefore, the coding performance can be improved.

IPC Classes  ?

• H04N 19/117 - Filters, e.g. for pre-processing or post-processing

Abstract

Embodiments of the present application provide a decoding method, an encoding method, a decoder, and an encoder. The decoding method comprises: decoding a code stream, and determining a current sub-image block in a current image; determining whether the current sub-image block is a sub-image block needing illumination transformation; and when the current sub-image block is a sub-image block needing illumination transformation, performing illumination transformation on the current sub-image block, and obtaining a sub-image block after illumination transformation. The decoding method provided by the present application can improve decoding performance.

IPC Classes  ?

• H04N 19/52 - Processing of motion vectors by encoding by predictive encoding

Abstract

The present application provides a coding and decoding method, a coding and decoding apparatus, a device, and a storage medium. According to a hierarchical prediction structure of a multi-viewpoint array, at least one viewpoint of a first hierarchy is first subjected to predictive coding in a frame coding process to obtain a reference frame, and then viewpoints of a second hierarchy are subjected to predictive coding according to the reference frame to obtain a reconstructed image, so that a reference relationship among viewpoints at different positions (such as different rows or different columns) of the second hierarchy and the first hierarchy can be established, and the spatial position correlation among the viewpoints in the two-dimensional distribution can be better used, thereby facilitating the improvement of the video compression efficiency of the multi-viewpoint array.

IPC Classes  ?

• H04N 13/00 - PICTORIAL COMMUNICATION, e.g. TELEVISION - Details thereof
• H04N 19/597 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
• H04N 19/61 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Abstract

An electronic device and a control method. A second body can be folded or slide relative to a first body, so that the second body and the first body are in an unfolded state or an overlapped state. A main radiator is provided at the first body, and in the unfolded state, the main radiator operates in a first resonance and supports a wireless signal of a first frequency band. A secondary radiator is provided at the second body, and in the overlapped state, the secondary radiator and the main radiator are coupled with each other and jointly operate in a second resonance. The electrical length of the secondary radiator is equal to or slightly less than one-half of the wavelength corresponding to the first frequency band.

IPC Classes  ?

• H01Q 1/36 - Structural form of radiating elements, e.g. cone, spiral, umbrella

Abstract

The present application discloses an antenna assembly, a middle frame assembly, and an electronic device, being related to the technical field of communications. In the present application, a first feed is used to excite a radiator so as to support a first frequency band; a second feed is used to excite the radiator to support a second frequency band; when a first switching circuit controls a grounding point to be connected to the ground, a second switching circuit is configured to control a second feed point to be connected to the second feed, so that the second feed excites the radiator to support the second frequency band; and when the first switching circuit controls the grounding point to be disconnected from the ground, the second switching circuit is configured to control the second feed point to be disconnected from the second feed, so that the first feed excites the radiator to support the first frequency band. The present application effectively lowers the number of radiators, and further reduces the space occupied by the antenna assembly in the electronic device.

IPC Classes  ?

• H01Q 1/36 - Structural form of radiating elements, e.g. cone, spiral, umbrella

Abstract

The present application discloses an antenna assembly, a middle frame assembly, and an electronic device, being related to the technical field of communications. In the present application, a first feed is used to excite a radiator to support a first frequency band and a second frequency band; the first feed is electrically connected to a first feed point by means of a first frequency selection circuit, the first frequency selection circuit is grounded, and the current supporting the first frequency band is configured to flow from the ground, through the first frequency selection circuit, and to be inputted into the radiator; a frequency selection point is grounded by means of the second frequency selection circuit, and the current supporting the second frequency band is configured to flow from the ground, through the second frequency selection circuit, and to be inputted into the radiator. According to the present application, the wireless transmission functions on two frequency bands are implemented by means of a single radiator, effectively lowering the number of radiators, and further reducing the space occupied by the antenna assembly in the electronic device.

IPC Classes  ?

• H01Q 1/36 - Structural form of radiating elements, e.g. cone, spiral, umbrella

Abstract

Embodiments of the present application provide a wireless charging module-based vehicle and mobile phone interconnection method, and a related product. The method comprises: a wireless charging module of a vehicle receiving a first message from a mobile terminal; and sending to a central control system of the vehicle a second message carrying a target identity. By using the embodiments of the present application, by means of device target identity information, a corresponding interconnection application is started for device information, so as to avoid the conflict problem in simultaneous starting of a plurality of interconnection applications and the problem of being unable to perform connection caused by a program selection error, and to achieve automatic connection, thereby enhancing user experience.

IPC Classes  ?

• H04W 4/48 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication

Abstract

Embodiments of the present application provide an interface display method and apparatus, a terminal device, and a storage medium. The interface display method comprises: after detecting a first touch operation on an application interface displayed on a first display screen, creating a virtual display screen; establishing the mapping relationship between the virtual display screen and a second display screen, the mapping relationship being used for mapping the content of the virtual display screen to the second display screen; moving an application container where the application interface is located from the first display screen to the virtual display screen; and adjusting the application container, such that the length of the adjusted application container is less than or equal to the length of the second display screen, and the width of the adjusted application container is less than or equal to the width of the second display screen. According to the embodiments of the present application, the occurrence of a display anomaly when the application interface is moved from the first display screen to the second display screen can be avoided.

IPC Classes  ?

• G06F 9/451 - Execution arrangements for user interfaces

Abstract

The embodiments of the present application belong to the technical field of human-computer interaction. Disclosed are a memo reminding method and apparatus, and a terminal and a storage medium. The method comprises: when there is a memo record requirement, acquiring memo content (201); on the basis of a content mode corresponding to the memo content, performing information extraction on the memo content, so as to obtain key information (202); storing the memo content and the key information in an associated manner (203); and when it is determined on the basis of the key information that a memo reminding trigger condition is met, performing memo reminding on the basis of the memo content (204). Memory information required by a user often has multi-content modes, and therefore by means of the present solution, information extraction is performed regarding different content modes, and key information is stored, thereby enriching memo content and also improving the efficiency and quality of memo reminding.

IPC Classes  ?

• G06F 16/41 - Indexing; Data structures therefor; Storage structures
• G06F 40/295 - Named entity recognition
• G06F 16/34 - Browsing; Visualisation therefor
• G06F 16/35 - Clustering; Classification
• G06Q 10/10 - Office automation; Time management

Abstract

Provided are a wireless communication method, a terminal device, and a network device. The method includes that: a terminal device receives a first control channel corresponding to a first shared channel; and the terminal device does not monitor a control channel candidate at any time unit from a first time unit to a second time unit. The first time unit is determined according to at least one of n, n+k and n+m, the second time unit is determined according to at least one of n, n+k and n+m, where n denotes a time unit where the first control channel ends, n+k denotes a time unit where transmission of the first shared channel starts, and n+m denotes a time unit where the transmission of the first shared channel ends.

IPC Classes  ?

• H04W 72/0446 - Resources in time domain, e.g. slots or frames

Abstract

A partial sensing-based resource selection method and a User Equipment are disclosed. The method includes: determining at least one selected slot and at least one sensing slot, the selected slot being after a target slot, and the sensing slot being before the target slot; and determining a candidate resource set from available resources of the selected slot on the basis of the sensing result in the sensing slot, and selecting a transmission resource from the candidate resource set.

IPC Classes  ?

• H04W 72/0446 - Resources in time domain, e.g. slots or frames
• H04W 4/40 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
• H04W 28/26 - Resource reservation
• H04W 72/02 - Selection of wireless resources by user or terminal
• H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink

Abstract

A method for intra prediction includes: obtaining multiple previously reconstructed neighbouring blocks corresponding to a current processing block; determining prediction modes, that are signalled in a bitstream, corresponding to neighbouring blocks of the multiple previously reconstructed neighbouring blocks, to obtain multiple first prediction modes; if the multiple first prediction modes comprise at least two directional modes, taking directional modes comprised in the multiple first prediction modes as first prediction directions; performing, according to a preset operation rule, operation on multiple first prediction directions of the first prediction directions to obtain second prediction directions; obtaining a prediction mode set according to the second prediction directions and the multiple first prediction modes; and performing intra prediction on the current processing block based on the prediction mode set.

IPC Classes  ?

• H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
• H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
• H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
• H04N 19/176 - 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 an image region, e.g. an object the region being a block, e.g. a macroblock

Abstract

Provide are a method and an apparatus of data transmission. The method is performed by an access network device or a terminal device. The method includes that a first object to which a to-be-transmitted packet belongs is determined, the first object including one of an application, a data flow, a Quality of Service (QoS) flow, an Application Data Unit (ADU), a frame, a coded slice, or a unit set; and the packet is transmitted based on transmission requirements and/or QoS parameters for the first object.

IPC Classes  ?

• H04W 28/02 - Traffic management, e.g. flow control or congestion control

Abstract

A wireless communication method and a terminal device. The method includes encoding a transport block which is transmitted based on a plurality of time domain unit sets and obtaining a first bit sequence; performing a rate matching process on the first bit sequence based on the plurality of time domain unit sets and obtaining a plurality of second bit sequences respectively corresponding to the plurality of time domain unit sets, wherein a second bit sequence corresponding to each of the plurality of time domain unit sets comprises uplink control information (UCI) multiplexed in the each of the at least one time domain unit set to be transmitted; and modulating and transmitting the plurality of second bit sequences, respectively, based on the plurality of time domain unit sets.

IPC Classes  ?

• H04W 72/0446 - Resources in time domain, e.g. slots or frames
• H04L 1/00 - Arrangements for detecting or preventing errors in the information received
• H04L 1/1607 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals - Details of the supervisory signal
• H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Abstract

A model management method and a communication device are provided. The method includes that: a node obtains a model management service provided by a model management module, the model management service supports the node to perform at least one of the following operations: storing one or more models to the model management module; updating one or more models in the model management module; and obtaining one or more models from the model management module.

IPC Classes  ?

• H04L 41/14 - Network analysis or design
• H04L 41/16 - Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using machine learning or artificial intelligence

Abstract

A wireless communication method and a user equipment (UE) are provided. The wireless communication method is performed by a UE and includes: determining, by the UE, a first information and/or a second information and applying, by the UE, the first information and/or the second information for a downlink reception and/or an uplink transmission.

IPC Classes  ?

• H04W 56/00 - Synchronisation arrangements
• H04W 76/20 - Manipulation of established connections

Abstract

Provided are a method and a device of controlling display of terminal information, a terminal, and a storage medium. The method includes: obtaining (S10) device information of a device that accesses a terminal; determining (S20) target recommendation information based on the device information, wherein the target recommendation information is recommendation information corresponding to the device that currently accesses the terminal; and displaying (S30) the target recommendation information in a recommendation area in a display area of the terminal, wherein different recommendation areas correspondingly display different target recommendation information.

IPC Classes  ?

• G06F 3/14 - Digital output to display device
• 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 16/9535 - Search customisation based on user profiles and personalisation
• G06F 16/9538 - Presentation of query results
• G06F 21/31 - User authentication
• G06V 20/60 - Type of objects

Abstract

The present application discloses an optical structure. The optical structure includes a waveguide, and a first coupling-out grating, a second coupling-out grating, and a third coupling-out grating provided on the waveguide. The third coupling-out grating is located between the first coupling-out grating and the second coupling-out grating; the first coupling-out grating is a two-dimensional grating having a plurality of first grids, and the first grid is in an asymmetric shape, such that light efficiency of the first coupling-out grating propagating along a first direction is higher than light efficiency of the first coupling-out grating propagating along a second direction.

IPC Classes  ?

• G02B 27/44 - Grating systems; Zone plate systems
• G02B 6/124 - Geodesic lenses or integrated gratings
• G02B 27/01 - Head-up displays

Abstract

Provided in the embodiments of the present application are a communication processing method and apparatus, and a terminal device and a network device. The method comprises: a terminal device receiving first information, wherein the first information is related to cell access of a reduced capability terminal, the reduced capability terminal being a terminal device that supports a maximum bandwidth of less than 20 megahertz.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems
• H04W 48/02 - Access restriction performed under specific conditions

Abstract

A control method and a terminal device are provided. The method includes the following. A first terminal device receives artificial intelligence (AI) control information from a network device or a second terminal device, where the AI control information includes at least one of: AI algorithm information, application-scenario identity information, optimization goal information, AI algorithm input-data-type information, AI algorithm output-data-type information, configuration information of a triggering event for AI-related data feedback, or a format requirement for AI-related data feedback.

IPC Classes  ?

• H04W 24/02 - Arrangements for optimising operational condition
• H04W 16/18 - Network planning tools
• H04W 24/10 - Scheduling measurement reports
• H04W 74/0833 - Random access procedures, e.g. with 4-step access