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

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

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

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

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

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

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

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 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

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 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

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

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

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

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

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

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

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 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 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

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

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

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

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

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

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 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

Provided are a millimeter-wave antenna module and an electronic device. The electronic device comprises a rear housing, a main circuit board disposed apart from and faced to the rear housing, and the millimeter-wave antenna module. The millimeter-wave antenna module comprises: an antenna array, disposed on the rear housing and configured to receive or transmit millimeter-wave signals; a feeding module, disposed between the rear housing and the main circuit board, and arranged opposite to the antenna array, wherein the feeding module is connected to the main circuit board, and configured to perform coupled feeding to the antenna array; and a buffer layer, disposed between the antenna array and the feeding module, and having a dielectric constant greater than that of air and less than that of the rear housing.

IPC Classes  ?

• H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
• H01Q 1/24 - Supports; Mounting means by structural association with other equipment or articles with receiving set
• H01Q 21/00 - Antenna arrays or systems

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

Abstract

A method for colour component prediction, an encoder, a decoder and a storage medium are provided. The method includes that: prediction parameters of a current block are determined, the prediction parameters including a prediction mode parameter and a size parameter of the current block; when the prediction mode parameter indicates that a Matrix-based Intra Prediction (MIP) mode is adopted to determine an intra prediction value of the current block, an MIP weight matrix of the current block, a shift factor of the current block and an MIP input sample matrix of the current block are determined; and the intra prediction value of the current block is determined according to the MIP weight matrix, the shift factor and the MIP input sample matrix.

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
• G06F 5/01 - Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
• G06F 17/16 - Matrix or vector computation
• 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
• 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

Abstract

The present disclosure provides a video decoding method, comprising: determining an inverse quantization mode of a block to be decoded; and performing coefficient analysis and inverse quantization on the block to be decoded according to the determined inverse quantization mode. The present disclosure further provides a video coding method, comprising: determining a quantization mode of a block to be encoded; and quantizing the block to be encoded according to the determined quantization mode. The present disclosure further provides a device using the coding and decoding method described above, and a storage medium.

IPC Classes  ?

• H04N 19/124 - Quantisation
• 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
• 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 19/46 - Embedding additional information in the video signal during the compression process

Abstract

The present disclosure relates to the field of communication technology, and provides a cell handover method and apparatus, a device, and a storage medium. The method includes: determining at least one handover information in a cell handover process based on a first AI model. Since the UE determines at least one handover information in the cell handover process based on autonomous decision-making of the AI model, it can select an appropriate handover timing or target cell autonomously to complete cell handover, thereby improving the efficiency of the cell handover, reducing the time required for the cell handover, and ensuring the handover success rate.

IPC Classes  ?

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

Abstract

An antenna device and an electronic device. The antenna device comprises a first conductor member, a second conductor member and a first conductor structure, which are sequentially stacked in a first direction, wherein the first conductor structure comprises a first portion and a second portion; the projection of the first portion in the first direction is located on the first conductor member; the projection of the second portion in the first direction is located outside the first conductor member; and the projection of the second conductor member in the first direction covers the first portion, but does not cover or does not completely cover the second portion.

IPC Classes  ?

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

Abstract

The present application relates to the technical field of electronic devices, and discloses a device control method and apparatus, a Bluetooth earphone, and a storage medium. The method is applied to a Bluetooth earphone, and a connected isochronous stream is established between the Bluetooth earphone and an electronic device. The method comprises: when an electronic device is in a call state, acquiring wearing information of a Bluetooth earphone, and if the wearing information indicates that the Bluetooth earphone is in a non-wearing state, stopping uploading collected audio data to the electronic device. According to the present application, when an electronic device is in a call state, if a Bluetooth earphone is in a non-wearing state, collected audio data is stopped from being uploaded to the electronic device, such that call adjustment can be adaptively performed, the actual call experience of users is optimized, and the product competitiveness is improved.

IPC Classes  ?

• H04R 1/10 - Earpieces; Attachments therefor

Abstract

A locking mechanism (1), a housing assembly (2) and an electronic device (3). The locking mechanism (1) comprises a fixing assembly (10), a lock assembly (20), a memory alloy member (40), and a connecting assembly (30), wherein the lock assembly (20) is slidably arranged on the fixing assembly (10); the memory alloy member (40) can be powered to shrink and stretch to change the length thereof; and the connecting assembly (30) comprises a first connector (31) and a second connector (32) detachably connected to one end of the first connector (31), the opposite end of the first connector (31) being fixedly connected to one end of the memory alloy member (40), and the end of the second connector (32) away from the first connector (31) being arranged at the lock assembly (20). When the lock assembly (20) is fixed relative to the fixing assembly (10), and the memory alloy member (40) is in a shrinking state, the memory alloy member (40) can shrink in length to enable the first connector (31) to be separated from the second connector (32). The lock mechanism (1) can not only achieve a locking function, but also effectively protect the memory alloy member (40) from being damaged when the memory alloy member (40) is stuck.

IPC Classes  ?

• H04M 1/02 - Constructional features of telephone sets

Abstract

The present application provides a radio frequency system and a communication device. The radio frequency system comprises: a first transmit port connected to a first transceiving module to form a first transmit path supporting the transmission of a first signal; a second transmit port connected to a second transceiving module to form a second transmit path supporting the transmission of the first signal; a third transmit port connected to any one of the first transceiving module, the second transceiving module, and a third transceiving module to form a third transmit path supporting the transmission of a second signal; and a first switch which is connected to the transceiving modules which are not connected to the third transmit port and is used for selectively connecting a path between a fourth transmit port and either of the transceiving modules which are not connected to the third transmit port to form a fourth transmit path supporting the transmission of the second signal. In this way, when a device simultaneously supports the transmission of two signals having partially overlapped frequency bands, the transmission efficiency and the transmission quality of the signal of each frequency band can be improved.

IPC Classes  ?

• H04B 1/401 - Circuits for selecting or indicating operating mode

Abstract

Provided in the present application is a locking mechanism. The locking mechanism comprises a first locking assembly, a first memory alloy assembly and a circuit board, wherein the first locking assembly comprises a first fixing member, a first locking member and a first reset member; the first locking member is movably connected to the first fixing member, and comprises a first lock bolt; the first reset member has an elastic force for driving the first locking member to move and reset relative to the first fixing member; the first memory alloy assembly comprises a first memory alloy member and a first elastic member, which are connected to each other; the end of the first memory alloy member away from the first elastic member is connected to the circuit board; the end of the first elastic member away from the first memory alloy member is connected to the first locking member; and the circuit board controls the first memory alloy member to drive the first locking member to move relative to the first fixing member, so that the first lock bolt extends out of or retracts into the first fixing member. Further provided in the present invention are a housing provided with the locking mechanism and an electronic device provided with the housing.

IPC Classes  ?

• H01R 13/639 - Additional means for holding or locking coupling parts together after engagement
• H04M 1/02 - Constructional features of telephone sets

Abstract

Provided are a method for device capability discovery, a server device, and a client device. The method comprises: a server device receiving a first message sent by a client device, the first message being used to query a first cluster, information of the first cluster being used by the client device to discover a capability of the server device, and the information of the first cluster comprising: information of all service endpoints included in the server device, and information of a cluster included in any service endpoint among all the service endpoints. In embodiments of the present application, the first cluster comprises information about all the service endpoints included in the server device, and information of clusters included in each service endpoint. Compared with a conventional client device, which needs to execute multiple read request operations to acquire information about clusters included in each service endpoint, the number of interactions between the client device and the server device can be reduced, acquisition efficiency can be increased, and the user experience can be improved.

IPC Classes  ?

• H04L 12/28 - Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]

Abstract

A wireless communication method and device. The method comprises: a second device sending first request information to a first device, wherein the first request information is used for requesting that the first device sends a target signal, and the target signal is used for the second device to perform energy collection and/or is used for the second device to perform backscattering.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems
• H04W 52/00 - Power management

Abstract

Provided in the present application are a point cloud encoding method and apparatus, a point cloud decoding method and apparatus, devices, and a storage medium. A method comprises: in prediction tree-based point cloud encoding and decoding, before encoding and decoding a current node, first determining a first parameter corresponding to the current node, the first parameter being used for determining whether the current node comprises a repeated point, and then decoding the current node on the basis of the first parameter. For example, when it is determined on the basis of the first parameter that the current node does not comprise any repeated point, encoding and decoding of repeated point information of the current node is skipped when encoding and decoding the current node; and if it is determined on the basis of the first parameter that the current node comprises a repeated point, repeated point information of the current node is encoded and decoded, thus reducing the encoding and decoding complexity of point cloud, saving the encoding and decoding time, and further improving the encoding and decoding efficiency.

IPC Classes  ?

• H04N 19/96 - Tree coding, e.g. quad-tree coding
• G06T 9/40 - Tree coding, e.g. quadtree, octree

Abstract

Provided in the present application are a point cloud coding method and apparatus, a point cloud decoding method and apparatus, and a device and a storage medium. The method comprises: in point cloud decoding, for example, in AVS-based point cloud decoding, when the current node of an (N-1)th layer in an octree is decoded, first, determining a first parameter corresponding to the current node, wherein the first parameter is used for determining whether at least one non-zero sub-node of the current node comprises a repeated point, the current node being a non-zero node of the (N-1)th layer in the octree of a point cloud, and N being the total number of layers of the octree; and then, performing geometric decoding on the current node on the basis of the first parameter. For example, when it is determined, on the basis of a first parameter, that an ith non-zero sub-node of the current node does not comprise a repeated point, the decoding of repeated point information of the ith non-zero sub-node is skipped, so as to reduce the decoding complexity of a point cloud and save on the decoding time, and thus improving the decoding efficiency.

IPC Classes  ?

• H04N 19/136 - Incoming video signal characteristics or properties

Abstract

Provided are a communication method, a terminal device, and a network device. The method comprises: a terminal device receiving first query information; in response to the first query information, the terminal device sending first indication information, the first indication information being used to indicate whether the terminal device supports configuration of a measurement interval according to a frequency range, and the first query information being used to query information associated with the measurement interval. The terminal device, by means of responding to the first query information, may report information on whether configuration of a measurement interval according to a frequency range is supported. Therefore, the terminal device may report, at an appropriate granularity, a situation of support for configuration of a measurement interval according to a frequency range. In one aspect, a technical solution of the present application can report that some frequency bands support configuration of a measurement interval according to a frequency range. In another aspect, compared with reporting at a granularity of a terminal device or a granularity of a frequency band combination, the present application may report at a granularity of a fallback frequency band combination whether configuration of a measurement interval according to a frequency range is supported, thus saving signaling overhead.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems

Abstract

Provided are a method for wireless communication, a terminal device, and a network device. The method comprises: a terminal device receives scheduling information; and the terminal device sends data on a corresponding frequency band according to the scheduling information. The terminal device supports working in N frequency bands, switching between the N frequency bands corresponds to at least two switching intervals, switching durations corresponding to the at least two switching intervals are different, and N is a positive integer greater than or equal to 3. According to embodiments of the present application, at least two switching intervals for frequency band switching are introduced, so that the terminal device can support communication based on three or more frequency bands.

IPC Classes  ?

• H04W 36/06 - Reselecting a communication resource in the serving access point

Abstract

Provided in the present application are communication methods, communication devices, and control devices. A communication method comprises: a first communication device receiving target configuration information, the target configuration information having an association relationship with a target frequency band resource, the target frequency band resource comprising a spectrum resource in a shared spectrum, the shared spectrum comprising a licensed spectrum and/or an unlicensed spectrum, and the term "first communication device" comprising a candidate communication device capable of applying for gaining the right to use the target frequency band resource. On the basis of the received target configuration information, the first communication device can determine how to perform operations such as communication in the target frequency band resource, thereby determining how to perform a corresponding operation on the shared spectrum, and further more specifically using resources of the shared spectrum.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems

Abstract

The present application relates to the technical field of communications. Disclosed are information transmission methods and apparatuses, timer configuration methods and apparatuses, a device and a storage medium. An information transmission method is executed by a terminal, and the method comprises: reporting auxiliary information, the auxiliary information being used for indicating service information of the terminal.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems

Abstract

Provided in the embodiments of the present application are a multi-link communication method and device, which can ensure that the actual communication state of a link conforms to a link enable state. Specifically, the method comprises: according to the communication accessibility between an affiliated non-AP STA of a non-AP MLD respectively corresponding to each of M links to be established, and an affiliated AP of an AP MLD, the non-AP MLD initiating multi-link establishment between same and the AP MLD; and/or, according to the communication accessibility between an affiliated non-AP STA of a non-AP MLD respectively corresponding to each of N established links, and an affiliated AP of an AP MLD, the non-AP MLD managing the N links; and/or, according to the communication accessibility between an affiliated AP of an AP MLD respectively corresponding to each of N established links, and an affiliated non-AP STA of a non-AP MLD, the AP MLD managing the N links.

IPC Classes  ?

• H04W 76/15 - Setup of multiple wireless link connections

Abstract

Provided are a communication method, a terminal device and a network device. The method comprises: a terminal device acquiring first information of a first cell/first base station, wherein part or all of the first information is borne by the first cell/the first base station, or part or all of the first information is borne by a second cell/second base station. By means of the method provided in the embodiments of the present application, interaction between a terminal device and a network device can be ensured in the case of network energy-saving, thereby facilitating ensuring the complexity and performance of the terminal device.

IPC Classes  ?

• H04W 48/08 - Access restriction or access information delivery, e.g. discovery data delivery

Abstract

A wireless communication method and apparatus, a device, a storage medium, and a program product, relating to the technical field of communications. The method comprises: a network device sends first configuration information to a terminal device, the first configuration information being used for determining wake-up signal resources, and the wake-up signal resources comprising a resource used for sending a wake-up signal to the network device (210); and the terminal device determines first wake-up signal resources according to the first configuration information, the first wake-up signal resources comprising wake-up signal resources available to the terminal device (220). The terminal device can obtain wake-up signal resources configured therefor by the network device, and then determine an available first wake-up signal resource according to the requirements of the terminal device; when the network device is in a sleep mode, the terminal device can send a wake-up signal to the network device by using the first wake-up signal resource, thereby avoiding the disadvantage of the communication transmission delay of the terminal device being too great as a result of a network device in a sleep mode being unable to serve the terminal device for a long period of time.

IPC Classes  ?

• H04W 52/02 - Power saving arrangements

Abstract

A sidelink communication method and apparatus, and a device, a storage medium and a program product, which relate to the technical field of communications. The method comprises: a second terminal device receiving first information sent by a first terminal device, wherein the first information is used for indicating a set of resources that are suitable for use by the second terminal device, and/or a set of resources that are not suitable for use by the second terminal device; and the second terminal device selecting a sending resource for an SL PRS according to the first information. According to a set of resources that are suitable for use by a second terminal device, and/or a set of resources that are not suitable for use by the second terminal device, as indicated by first information sent by a first terminal device, the second terminal device selects a sending resource for an SL PRS from among the set of resources that are suitable for use by the second terminal device, and/or from among the remaining resources that are obtained by excluding the set of resources that are not suitable for use by the second terminal device. Therefore, the quality of an SL PRS resource selected by the second terminal device is improved, and the precision of sidelink positioning is thus improved.

IPC Classes  ?

• H04W 72/04 - Wireless resource allocation
• H04W 76/14 - Direct-mode setup

Abstract

Provided are a method for sidelink communication, and communication devices. The method for sidelink communication comprises: a first device determines a first CAPC value for sidelink communication, the first CAPC value being associated with a PQI. The present application determines the first CAPC value for sidelink communication on the basis of the PQI, thus achieving determination of CAPC values in sidelink communication systems.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems
• H04W 74/00 - Wireless channel access, e.g. scheduled or random access

Abstract

A wireless communication method, a terminal device and a network device. The method comprises: a terminal device acquiring a first data set, wherein the first data set comprises information of a plurality of measurement spatial filters, the plurality of measurement spatial filters belong to a measurement spatial filter set, and the measurement spatial filter set is a spatial filter set for measurement; and according to the first data set and a first model, determining target information, wherein the target information comprises information of K target spatial filters, the K target spatial filters belong to a prediction spatial filter set, the prediction spatial filter set is a spatial filter set for prediction, the measurement spatial filter set is a subset of the prediction spatial filter set, and K is a positive integer.

IPC Classes  ?

• H04B 7/04 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas

Abstract

Embodiments of the present application provide a model monitoring method, a terminal device and a network device. The terminal device can monitor a neural network model for terminal positioning, so that the performance of the neural network model is ensured. The model monitoring method comprises: a terminal device receives first information, wherein the first information at least comprises configuration information for monitoring a first neural network model, and the first neural network model is used for terminal positioning; and the terminal device monitors the first neural network model according to the first information.

IPC Classes  ?

• H04W 72/04 - Wireless resource allocation

Abstract

Provided in the embodiments of the present application are a communication method and apparatus, and a device, a storage medium, a chip, a product and a program. The method comprises: a terminal device receiving an operation request for at least one electronic tag and/or identification information of the at least one electronic tag, which operation request and/or identification information is sent by a first network element; and the terminal device executing an operation for the at least one electronic tag.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems

Abstract

Provided are a communication method and a communication apparatus. The method comprises: a first network device receiving first information, the first information indicating whether a first terminal device supports a first capability. The method in the embodiment of the present application facilitates reducing power consumption of a communication system.

IPC Classes  ?

• H04W 68/02 - Arrangements for increasing efficiency of notification or paging channel
• H04W 36/08 - Reselecting an access point

Abstract

Sidelink communication methods and apparatuses, a device, a storage medium and a program product, relating to the technical field of communications. A method comprises: a first terminal device sending first information, the first information being used for indicating a sending mode of an SL PRS (1210). The first terminal device sends to a second terminal device the first information used for indicating the sending mode of the SL PRS, so as to instruct the second terminal to receive the SL PRS, thereby improving the resource utilization efficiency on sidelink carriers and the performance of sidelink positioning and sidelink communication systems.

IPC Classes  ?

• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
• H04W 72/04 - Wireless resource allocation

Abstract

The present application relates to a measurement reporting method and device. The method comprises: a terminal device using a parameter associated with a first condition to control measurement reporting behavior of the terminal device, wherein the first condition is a preset condition satisfied by the terminal device. The present application is able to realize control of measurement reporting behavior of a terminal.

IPC Classes  ?

• H04W 24/10 - Scheduling measurement reports

Abstract

Provided are a method for beam management, and a terminal device and a network device. The method comprises: a terminal device determining the state of a first model, wherein the first model is used for performing beam prediction on a target beam set, and the state of the first model comprises one or more of an active state, an inactive state and a monitoring state; and the monitoring state is used for determining a monitoring result of the first model, and the monitoring result is used for indicating the accuracy of a prediction result of the first model. In the embodiments of the present application, the first model can be managed on the basis of the state of the first model, for example, the accuracy of the prediction result of the first model is monitored in the monitoring state, which is conducive to improving the success rate of communication between the terminal device and a network device. Thus, the problem in a traditional solution whereby a prediction result output by a first model is always used to determine a beam used for communication between a terminal device and a network device, such that the communication between the terminal device and the network device cannot be performed when the prediction result of the first model is inaccurate is avoided.

IPC Classes  ?

• H04W 16/28 - Cell structures using beam steering
• H04W 72/02 - Selection of wireless resources by user or terminal

Abstract

Embodiments of the present application provide a wireless communication method, a terminal device, and a network device. The terminal device can flexibly determine an uplink transmission scheme, and improve throughput of a system. The wireless communication method comprises: a terminal device receiving first DCI; the terminal device determining a transmission scheme for first uplink information according to at least one signaling in the first DCI, the transmission scheme for the first uplink information being one of the following: SDM, SFN, TDM, FDM, or a single TRP or single antenna panel transmission scheme; and the terminal device sending the first uplink information according to the transmission scheme for the first uplink information.

IPC Classes  ?

• H04L 27/00 - Modulated-carrier systems

Abstract

An antenna module and an electronic device are provided. A radiator includes a first radiator and a second radiator, and a coupling gap is between the first radiator and the second radiator. A first grounding end of the first radiator and a second grounding terminal of the second radiator are both electrically connected to a reference ground. A first feed system is used for exciting the radiator to receive and transmit a first electromagnetic wave signal. The first electromagnetic wave signal includes at least one of a GPS signal, and a mobile communication signal of a first frequency band. A second feed system is used for exciting the radiator to receive and transmit a second electromagnetic wave signal. The second electromagnetic wave signal includes a Wi-Fi signal. A third feed system is used for exciting the radiator to receive and transmit a third electromagnetic wave signal.

IPC Classes  ?

• H01Q 1/24 - Supports; Mounting means by structural association with other equipment or articles with receiving set
• H01Q 5/335 - Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching

Abstract

Disclosed are methods and devices for random access in a WLAN. The method carried out by an access point (AP) comprises: setting, by the AP, a User Info field in a Trigger frame to allocate one or more resource units (RUs) or multiple resource units (MRUs) in a trigger-based (TB) physical layer protocol data unit (PPDU) for uplink orthogonal frequency division multiple access based random access (UORA) for associated stations (STAs) or unassociated STAs, wherein an association identifier (AID) 12 subfield of the User Info field is set to a first value if the one or more RUs or MRUs are allocated for UORA for the associated STAs, or a second value different from the first value if the one or more RUs or MRUs are allocated for UORA for the unassociated STAs, and sending, by the AP, the Trigger frame to the associated STAs and/or the unassociated STAs.

IPC Classes  ?

• H04W 74/00 - Wireless channel access, e.g. scheduled or random access
• H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]

Abstract

A method for wireless communication, including: sending, by a first device, first information to a second device, where the first information includes measurement information of at least one sensing receiver, and a configuration factor of the measurement information includes at least one of: a sensing receiver, a burst, a burst group, or a sensing session; the measurement information includes at least one of: a measurement threshold, a measurement type, a method of computing the measurement threshold, target indication information, or target bitmap information; the measurement threshold is used for determining whether a sensing result is reported, the target indication information indicates whether a measurement is a measurement threshold-based measurement, and the target bitmap information indicates a sensing receiver using the measurement information.

IPC Classes  ?

• H04W 24/10 - Scheduling measurement reports
• 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 8/22 - Processing or transfer of terminal data, e.g. status or physical capabilities
• H04W 76/10 - Connection setup

Abstract

A wireless communication method is provided, which comprises that: a first UE receives a switching command from a source network device, wherein the switching command is used for instructing the first UE to switch from a source path to a target path, the source path being a path between the first UE and the source network device, the target path being a path between the first UE and a target network device, and the source path and/or the target path being a relay path; and the first UE starts, upon being triggered by the switching command or a first message, to send uplink data and/or receive downlink data on the target path, wherein the first message is a message that is sent by a second UE to the first UE, the second UE being a relay UE on the relay path.

IPC Classes  ?

• H04W 76/10 - Connection setup
• H04W 40/02 - Communication route or path selection, e.g. power-based or shortest path routing

Abstract

Provided are a communication method and a communication apparatus. The method includes: performing, by a terminal device, first Small Data Transmission (SDT) on a pre-Configured Grant (CG) resource corresponding to a first Synchronization Signal Black (SSB), wherein the terminal device is in an inactive state; and performing, by the terminal device, second SDT on the CG resource corresponding to the first SSB. According to the method in the embodiments of the disclosure, SDT of a User Equipment (UE) in an inactive state can be implemented.

IPC Classes  ?

• H04W 76/20 - Manipulation of established connections
• H04B 17/318 - Received signal strength
• H04W 56/00 - Synchronisation arrangements
• H04W 72/12 - Wireless traffic scheduling