Abstract

Provided are a method and apparatus for establishing an interoperation channel, and a chip and a storage medium. The method comprises: a first device negotiating a shared key with a second device according to a sigma protocol; the first device and the second device establishing an interoperation channel based on the shared key; and the first device sending a control instruction to the second device by means of the interoperation channel, so as to control the second device.

IPC Classes  ?

• H04W 12/50 - Secure pairing of devices
• H04W 12/00 - Security arrangements; Authentication; Protecting privacy or anonymity
• H04L 9/00 - Arrangements for secret or secure communications; Network security protocols

Abstract

Provided in the embodiments of the present application are a coding method, a decoding method, coders, decoders, a code stream and a storage medium. The decoding method is applied to a decoder, and the decoding method comprises: according to geometric information of the current node of the current image, searching a first reference image for a first same-position node of the current node, and searching a second reference image for a second same-position node of the current node; and, on the basis of the first same-position node and the second same-position node, performing inter-frame attribute prediction on the current node to obtain an attribute prediction value of the current node.

IPC Classes  ?

• H04N 19/503 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction

Abstract

Provided in the embodiments of the present application are a communication method and apparatus, a terminal, and a network device. The method comprises: a first terminal receiving first information, wherein the first information is used for indicating communication with a first node in a first communication mode.

IPC Classes  ?

• H04W 48/16 - Discovering; Processing access restriction or access information

Abstract

Provided are a wireless communication method and a communication device. The method comprises: a first network element receiving a first message sent by a second network element, wherein the first message is associated with a first sensing service, and the first message includes one or more pieces of the following information: an identifier of the first sensing service, and user plane configuration information associated with the first sensing service. In the embodiments of the present application, an identifier of a sensing service and/or user plane configuration information associated with the sensing service is introduced for the sensing service. The introduction of the identifier of the sensing service and/or the user plane configuration information associated with the sensing service facilitates the configuration of user plane information at a granularity of the sensing service.

IPC Classes  ?

• H04W 24/02 - Arrangements for optimising operational condition

Abstract

Provided are a wireless communication method and a communication device. The method comprises: a first network element sends to a second network element a QoS parameter associated with a first sensing service, wherein the QoS parameter is determined on the basis of a requirement parameter of the first sensing service. According to embodiments of the present application, a corresponding QoS parameter is determined on the basis of a requirement parameter of a sensing service, and because the QoS parameter determined in this way takes the requirement of the sensing service into account, user-plane transmission of the sensing service is facilitated.

IPC Classes  ?

• H04W 28/24 - Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]

Abstract

A sensing information sending method and apparatus, a sensing information receiving method and apparatus, and a device and a storage medium, which relate to the technical field of communications. The sensing information sending method comprises: a first node sending sensing information, which is within a valid interval (410). A valid interval of sensing information is constrained, such that a sensing node sends sensing information, which is within the valid interval, and may not have to send sensing information, which is not within the valid interval, so as to avoid feeding all sensing information back all the time. This cannot only facilitate reducing the processing complexity and energy consumption of the sensing node, but can also reduce the amount of feedback, thereby saving on transmission resources, and improving the transmission efficiency of sensing information.

IPC Classes  ?

• H04W 28/06 - Optimising, e.g. header compression, information sizing
• H04W 4/38 - Services specially adapted for particular environments, situations or purposes for collecting sensor information

Abstract

The present application relates to the field of zero power consumption, and discloses a frequency error measurement method and apparatus, a device, a medium, and a program product. The method is executed by a first device. The method comprises: transmitting a first signal, the first signal being used for a second device to measure a frequency error of the first device, and the first device being a zero-power-consumption device. According to the method, the first signal for the second device to measure the frequency error of the zero-power-consumption device is transmitted, so that the frequency error between an actual transmission frequency of the first signal and an expected transmission frequency is measured, and the frequency error can be used for helping to adjust the zero-power-consumption device, thereby ensuring the accuracy of the frequency of the zero-power-consumption device.

IPC Classes  ?

• H04W 52/02 - Power saving arrangements

Abstract

Provided in the embodiments of the present application is a wireless resource management method, which is applied to a first device, a communication link where the first device is located comprising a source terminal device, a target device and a plurality of relay terminal devices between the source terminal device and the target device. The method comprises: by means of a radio resource control (RRC) connection, sending first information to a second device in the communication link, the first information being related to radio resource management. The method designs a control plane process in multi-hop relay scenarios, and implements wireless resource management in the multi-hop relay scenarios.

IPC Classes  ?

• H04W 40/22 - Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point

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 sending first information, wherein the first information comprises a first power headroom (PH), and the first PH is determined according to the transmission power of the terminal device and a first adjustment value.

IPC Classes  ?

• H04W 52/00 - Power management

Abstract

Disclosed in the present application are a communication method, apparatus and device, and a chip, a storage medium, a product and a program. The method comprises: a first device receiving first information from a second device, wherein the first information is related to attribute information of the second device; the first device sending second information to the second device, wherein the second information is generated on the basis of the first information, and the second information is related to attribute information of the first device; and the first device determining a first key and a first file on the basis of the first information and the second information, wherein the first key is used for communication between the first device and the second device, and the first file is used for managing a communication connection established between the first device and the second device.

IPC Classes  ?

• H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Abstract

Provided in the present application are a decoding method, a coding method, a decoder and a coder. The decoding method comprises: determining whether to divide the current node in the current point cloud; if the current node is not divided, decoding a code stream, and determining a motion parameter of the current node; performing motion compensation on a reference node of the current node on the basis of the motion parameter of the current node, and determining a compensation node of the current node; determining a prediction node of the current node on the basis of the compensation of the current node; and determining geometric position information of the current point cloud on the basis of the prediction node of the current node. In the present embodiments, the decoder associates the situation where the current node is not divided with the practice of directly performing motion compensation on a reference node of the current node, such that an identifier for indicating whether motion compensation is required may not be introduced into a motion compensation process of the decoder, thereby improving the decoding performance of the decoder.

IPC Classes  ?

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

Abstract

The present application provides a wireless communication method, a device, and a storage medium. The method comprises: if a terminal device determines on the basis of a first time domain resource and a second time domain resource that a first downlink transmission and a first uplink transmission collide in the time domain, performing communication on the basis of a target mode, wherein the first time domain resource is used for the first downlink transmission, the second time domain resource is used for the first uplink transmission, and the second time domain resource is determined on the basis of timing advance (TA) of the terminal device.

IPC Classes  ?

• H04W 72/12 - Wireless traffic scheduling

Abstract

Embodiments of the present application provide a communication processing method and apparatus, a terminal device, and a network device. The method comprises: a terminal device determines a first decision threshold and/or a first offset parameter associated with the type of a first receiver, wherein the first decision threshold and/or the first offset parameter is used for executing a decision related to signal measurement of the first receiver.

IPC Classes  ?

• H04W 24/02 - Arrangements for optimising operational condition

Abstract

A cell measurement method and apparatus, a device, and a storage medium, relating to the technical field of wireless communications. The method comprises: for at least two satellite cells associated with a same synchronization signal block measurement timing configuration (SMTC), performing cell measurement on the basis of the measurement priority of the at least two satellite cells (401). The present solution preferentially guarantees completion of measurement of satellite cells of high priority, thereby guaranteeing the cell measurement effect.

IPC Classes  ?

• H04W 24/02 - Arrangements for optimising operational condition

Abstract

Provided in the embodiments of the present application are a wireless communication method, a communication device, and a storage medium. The method comprises: a terminal device receiving first indication information, which is used for determining that a first satellite successfully receives mobile-originated (MO) data sent by the terminal device, wherein the MO data is transmitted by using a storage and forwarding mode of the first satellite; and the terminal device caching the MO data, wherein the cached MO data is cleared away in the following cases: the terminal device determining that the MO data is successfully submitted to a core network and/or the cached MO data is invalid.

IPC Classes  ?

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

Abstract

Provided in the present application are an encoding method, encoders and an electronic device. The method comprises: carrying out motion estimation on a current block in a current image, so as to determine a first motion parameter, the first motion parameter referring to an initial position in a reference image of the current image, and the initial position being located within an initial macro pixel of the reference image; on the basis of the position of the initial position within the initial macro pixel, determining at least one co-located point position of the initial position; determining at least one search position from the initial position and the at least one co-located point position; determining, within a first search area where any one search position among the at least one search position is located, at least one first position excepting the any one search position; and, on the basis of the at least one search position and the at least one first position, determining a second motion parameter of a reference block. The method can improve the motion estimation effect and encoding performance of encoders.

IPC Classes  ?

• H04N 19/124 - Quantisation

Abstract

The present application relates to a network discovery method, a first device, a second device, a chip, a computer readable storage medium, a computer program product, a computer program and a communication system. The network discovery method comprises: a first device sends a discovery request on a first channel, wherein the discovery request is used for instructing or requesting a second device on the first channel to send discovery request reply information, and the discovery request reply information comprises network deployment information. According to embodiments of the present application, the energy consumed by network discovery can be saved.

IPC Classes  ?

• H04W 8/08 - Mobility data transfer
• H04W 48/08 - Access restriction or access information delivery, e.g. discovery data delivery

Abstract

The present application relates to the field of communications. Disclosed are a capability information reporting method and apparatus, and a device and a storage medium. The method comprises: reporting first capability information to a network device, wherein the first capability information is used for indicating frequency spacing supported or expected by the terminal device. A terminal device is supported to report frequency spacing supported or expected by the terminal device, so as to reflect an actual sensitivity reduction situation or an actual transmission situation of the terminal device, thereby facilitating a network device in subsequently scheduling a more rational and more targeted operation frequency for the terminal device, and thus ensuring the transmission quality of uplink and downlink transmissions and improving the intra-system communication efficiency.

IPC Classes  ?

• H04W 72/0453 - Resources in frequency domain, e.g. a carrier in FDMA

Abstract

The present application relates to the field of communications. Disclosed are an information transmission method and apparatus, and a device and a storage medium. The method comprises: receiving first configuration information, which is used for indicating at least one first frequency-domain resource set and/or at least one second frequency-domain resource set, wherein a terminal device operates on at least some frequency-domain resource sets among the at least one first frequency-domain resource set and/or the at least one second frequency-domain resource set, and a third frequency-domain resource set. The accuracy and reliability of time-domain synchronization of a plurality of frequency-domain resource sets on which the present apparatus operates can be guaranteed, and resource overheads in a communication system can also be reduced, thereby avoiding power consumption waste caused by redundant information, and improving the transmission efficiency of the communication system.

IPC Classes  ?

• H04W 72/0453 - Resources in frequency domain, e.g. a carrier in FDMA

Abstract

Embodiments of the present application provide a point cloud encoding method and a point cloud decoding method, which can improve the attribute encoding and decoding efficiency of a point cloud, thereby improving the encoding and decoding performance of the point cloud. The point cloud decoding method comprises: parsing a code stream and determining a region-adaptive hierarchical transform (RAHT) encoding mode corresponding to a current layer and attribute encoding information corresponding to a node in the current layer; an encoder encoding attribute information of the node in the current layer by means of at least one RAHT encoding mode, determining at least one encoding cost corresponding to the node, and on the basis of the at least one encoding cost corresponding to the node, determining an RAHT encoding mode corresponding to the current layer; and on the basis of the RAHT encoding mode corresponding to the current layer, decoding and reconstructing the attribute encoding information corresponding to the node in the current layer, and determining reconstruction attribute information corresponding to the node.

IPC Classes  ?

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

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. At a decoding end, a decoder determines a prediction mode corresponding to a current point; when the prediction mode is a first mode, determines in a current frame a neighbor point corresponding to the current point, and determines in a reference frame corresponding to the current frame a reference point corresponding to the current point; and determines a predicted value of the current point on the basis of a first predicted value of the reference point and a second predicted value of the neighbor point. At an encoding end, on the basis of a rate distortion optimization algorithm, an encoder determines a prediction mode corresponding to a current point; or, on the basis of the correlation between a current point and a reference point, in a reference frame, corresponding to the current point, determines a prediction mode corresponding to the current point, wherein the prediction mode comprises a first mode and a second mode.

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

A sensing signal configuration method and apparatus, a sensing signal transmission method and apparatus, and a device and a storage medium, which relate to the technical field of communications. The sensing signal configuration method comprises: a first node sending configuration information, wherein the configuration information is used for configuring a first parameter, and the first parameter comprises at least one of the following parameters: a time interval of sensing signals, the number of sensing signals, and an interval of sensing signal (410). At least one parameter such as a time interval, the number and an interval of sensing signals, is configured, such that a node in a sensing system sends and/or receives the sensing signals according to the parameter, which allows different sensing requirements to be satisfied.

IPC Classes  ?

• H04L 5/00 - Arrangements affording multiple use of the transmission path

Abstract

The present application relates to the technical field of sensing. Disclosed are a sensing information feedback method and apparatus, and a device and a storage medium. The method is executed by a first node, and the method comprises: sending sensing information, wherein the sensing information comprises phase information. Sensing information which comprises phase information is sent, such that the accuracy of sensing a micro-motion is improved by means of the sensitivity of phase to displacement.

IPC Classes  ?

• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management

Abstract

The present application relates to the technical field of perception, and discloses an information feedback method and apparatus, an information analysis method and apparatus, a device, and a storage medium. The method is executed by a first node, and the method comprises: sending spectrum information, the spectrum information being frequency domain information of a received signal or channel. According to the method, data redundancy of perception feedback is reduced by feeding back spectrum information.

IPC Classes  ?

• G01S 13/02 - Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems

Abstract

A sensing information sending method and apparatus, a sensing information receiving method and apparatus, a device, and a storage medium, relating to the technical field of communications. The sensing information sending method comprises: a first node sends sensing information, the sensing information being obtained on the basis of a sensing signal which satisfies a quality requirement (410). By constraining a quality requirement of a sensing signal, a sensing node sends sensing information obtained on the basis of a sensing signal which satisfies a quality requirement, and does not process and feed back a sensing signal which does not satisfy a quality requirement. On the one hand, by constraining a quality requirement of a sensing signal, the accuracy and effectiveness of the sensing information which is fed back can be improved; and on the other hand, a sensing signal which does not satisfy a quality requirement does not need to be processed and fed back, so that the processing complexity and energy consumption of the sensing node can be reduced, the feedback amount can be reduced, the transmission resources are saved, and the transmission efficiency of the sensing information is improved.

IPC Classes  ?

• H04L 5/00 - Arrangements affording multiple use of the transmission path

Abstract

A key acquisition method and apparatus, and a device, a medium and a program product, which belong to the technical field of Internet of Things. The method is executed by a client device, and comprises: receiving a key of a client device sent by a first device, wherein the first device is an administrator device or a server, and the key is used for decrypting a check-in message sent by an intermittently connected device (ICD). By means of the solution, a client device can acquire a key thereof, so as to realize the decryption of a check-in message sent by an ICD, such that the client device can learn an online state of the ICD in a timely manner, thereby improving the usage efficiency of the technology of Internet of Things.

IPC Classes  ?

• H04W 12/02 - Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
• H04W 12/48 - Security arrangements using identity modules using secure binding, e.g. securely binding identity modules to devices, services or applications

Abstract

Embodiments of the present application provide a time domain mobility prediction method and apparatus, a communication device, a chip, and a storage medium. The method comprises: a terminal acquires K measurement instances corresponding to a first downlink reference signal set, the K measurement instances being obtained by the terminal measuring downlink reference signals in the first downlink reference signal set at K measurement moments, the first downlink reference signal set comprising first downlink reference signal subsets of N cells, wherein the K measurement instances are used for, on the basis of a first model, acquiring F prediction instances corresponding to a second downlink reference signal set, different prediction instances correspond to different prediction moments, the second downlink reference signal set comprises second downlink reference signal subsets of P cells, and K, N, F, and P are integers greater than or equal to 1.

IPC Classes  ?

• H04W 24/06 - Testing using simulated traffic

Abstract

The present application relates to a measurement adjustment method, a terminal device, a network device, a chip, a computer readable storage medium, a computer program product, and a computer program. The measurement adjustment method comprises: when a first condition is satisfied, a terminal device adjusts an SMTC used for measurement of a plurality of satellites or cells and/or first information corresponding to the SMTC, wherein the first condition is related to the plurality of satellites or cells, and the adjustment comprises autonomous adjustment by the terminal device or adjustment according to a network configuration. Embodiments of the present application can adapt to movement characteristics of different satellites and then implement measurement.

IPC Classes  ?

• H04W 24/02 - Arrangements for optimising operational condition

Abstract

Embodiments of the present application provide a parameter configuration method and device, a terminal, a chip, and a storage medium. The method comprises: a first terminal acquires a first access layer configuration parameter, the first access layer configuration parameter being used for an access layer of the first terminal to process a first service, and the first service being a relevant service in a sidelink relay scenario.

IPC Classes  ?

• H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink

Abstract

Provided are a method and an apparatus for establishing an interoperability channel, a chip, and a storage medium. The method comprises: on the basis a key pair of a first device, the first device negotiates a shared key with a second device, the key pair of the first device comprising a first public key and a first private key; the first device and the second device establish an interoperability channel on the basis of the shared key; and, by means of the interoperability channel, the first device sends to the second device a control instruction, so as to control the second device.

IPC Classes  ?

• H04W 12/50 - Secure pairing of devices

Abstract

Embodiments of the present application disclose an encoding method, a decoding method, a code stream, an encoder, a decoder, and a storage medium. The method comprises: decoding a code stream, and determining an azimuth angle factor of a current point in a current point cloud; determining a prediction residual of an azimuth angle parameter of the current point on the basis of the azimuth angle factor; determining a reconstruction value of the azimuth angle parameter on the basis of the prediction residual of the azimuth angle parameter; and correcting the reconstruction value of the azimuth angle parameter to determine a corrected reconstruction value of the azimuth angle parameter, wherein the corrected reconstruction value of the azimuth angle parameter meets a preset range. In this way, the accuracy of azimuth angle reconstruction can be improved, and the encoding and decoding efficiency can be improved, thereby improving the encoding and decoding performance.

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
• H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
• H04N 19/463 - Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
• 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
• H04N 19/96 - Tree coding, e.g. quad-tree coding

Abstract

Provided in the present application are wireless communication methods, terminal devices and communication devices. A method comprises: a terminal device triggers or sends first information, the first information being used for indicating an energy storage condition of the terminal device. During resource allocation and scheduling, the present application can consider energy storage conditions of terminal devices on the basis of the first information, thus enabling wireless power supply to satisfy stability and reliability requirements of data transmission; and on the basis of the energy storage conditions of the terminal devices, the present application can implement on-demand energy supply during the wireless energy supply, thus reducing the resource overhead for peer wireless energy supply as much as possible. In addition, from the perspective of resource management, the present application can achieve good and efficient cooperation between energy supply processes and data transmission processes, thereby realizing data transmission in scenarios such as zero-power communication.

IPC Classes  ?

• H04W 52/02 - Power saving arrangements

Abstract

Disclosed in the present application are a communication method and apparatus, and a device, a chip, a storage medium, a product and a program. The method comprises: an access network device synchronously receiving a first paging message and first data from a core network element, wherein the first paging message is used for paging a terminal device which waits for receiving the first data, and the access network device synchronously receiving the first paging message and the first data from the core network element comprises: the time interval between a time domain in which the access network device receives the first paging message and a time domain in which the access network device receives the first data is less than a first threshold value.

IPC Classes  ?

• H04W 56/00 - Synchronisation arrangements

Abstract

The present application relates to relay communication methods and terminals. A method comprises: a first terminal sends first information, the first information being used for indicating relay state information. In the embodiments of the present application, in relay scenarios, a suitable relay can be selected for the terminal on the basis of the relay state information indicated by the first information, thereby improving the communication quality.

IPC Classes  ?

• H04W 8/24 - Transfer of terminal data

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. The video encoding method comprises: when encoding N views, determining a first pruning mask map of an i-th view; on the basis of a preset block division mode, dividing the i-th view into M image blocks, for a j-th image block among the M image blocks, determining unpruned pixel points in the j-th image block on the basis of the first pruning mask map, and performing chromaticity fitting on the unpruned pixel points in the j-th image block to obtain color cast fitting functions of the j-th image block; pruning the unpruned pixel points in the j-th image block on the basis of the color cast fitting functions to obtain patch information of the i-th view; and encoding the patch information and the color cast fitting function to obtain a bitstream. That is, according to the present application, the first pruning mask map is re-pruned to reduce the number of unpruned pixel points, thereby reducing the encoding cost of an encoding end, and improving the multi-view video encoding efficiency.

IPC Classes  ?

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

Abstract

Provided in the present application are a coding method, a coder, and an electronic device. The coding method comprises: performing motion estimation on the current block in the current image, and determining a first motion parameter of the current block, wherein the first motion parameter points to an initial position in a reference image of the current image; determining at least one first position, other than the initial position, in a first search area in an initial macro pixel where the initial position is located; and determining a second motion parameter of a reference block on the basis of the initial position and the at least one first position. The coding method can improve a motion estimation effect and the coding performance of the coder.

IPC Classes  ?

• H04N 19/51 - Motion estimation or motion compensation
• H04N 19/57 - Motion estimation characterised by a search window with variable size or shape
• H04N 19/597 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding

Abstract

Provided are a communication method and a communication apparatus. The method comprises: a terminal device sends first information to a first network element, wherein the first information comprises access stratum (AS) data collected by the terminal device. The method in the embodiments of the present application enables the network side to obtain the AS data collected by the terminal device.

IPC Classes  ?

• H04W 24/02 - Arrangements for optimising operational condition

Abstract

Embodiments of the present application provide a communication method and a device. The communication method comprises: a terminal device sending a registration request message to a first network element, the registration request message carrying identification information of the terminal device; and the terminal device receiving a registration acceptance message from the first network element. In the embodiments of the present application, the adverse effect of an SOR mechanism on a zero-power device can be reduced.

IPC Classes  ?

• H04W 60/00 - Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration

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 a current chroma block is predicted by using a cross-component prediction mode, cross-component prediction model parameters and a filtering identifier of the current chroma block are determined, the filtering identifier of the current chroma block being determined on the basis of a filtering identifier of an encoded/decoded image block around the current chroma block; on the basis of the cross-component prediction model parameters, cross-component prediction is performed on the current chroma block to obtain a first prediction value of the current chroma block; and on the basis of the filtering identifier and the first prediction value of the current chroma block, a second prediction value of the current chroma block is determined. That is, according to the present application, by filtering a chroma prediction value obtained by means of the cross-component prediction mode, the accuracy of cross-component prediction is improved, and the encoding/decoding performance is improved. In addition, the filtering identifier of the current chroma block inherits the filtering identifier of the encoded/decoded block, and no additional bit consumption needs to be introduced to indicate the filtering identifier, thereby saving codewords and improving the encoding efficiency.

IPC Classes  ?

• H04N 19/52 - Processing of motion vectors by encoding by predictive encoding
• H04N 19/61 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
• H04N 19/147 - Data rate or code amount at the encoder output according to rate distortion criteria
• 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

A method of performing an entropy coding scheme for a signal enhancement filter is provided. The method includes optimizing parameter encoding based on estimated rate distortion costs by estimating rate distortion enhancement for a current frame and one or more subsequent frames.

IPC Classes  ?

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

Abstract

Provided are a wireless communication method, a terminal device and a network device. The method comprises: a target terminal device sending a first request to a network device, wherein the first request is used to request the migration of a target service from a first terminal device to a second terminal device; and the target terminal device is the first terminal device or the second terminal device. In the embodiments of the present application, the target terminal device can send the first request to the network device to request the migration of the target service from the first terminal device to the second terminal device. That is, the introduction of the first request helps the network device to perceive the requirement for the cross-terminal-device migration of the target service so as to optimize subsequent processes on the basis of the requirement. Compared with that during conventional cross-terminal-device migration of a target service, the network device is unable to perceive the requirement for the cross-terminal-device migration of the target service, and is thus unable to optimize the subsequent processes on the basis of the requirement, an improvement in the user experience is facilitated.

IPC Classes  ?

• H04W 28/24 - Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]

Abstract

Embodiments of the present application provide a decoding method, comprising: at a decoding end, a decoder decoding a code stream, determining a shift coefficient corresponding to the current LOD layer, and on the basis of the shift coefficient, determining initial geometric information of a reconstructed mesh corresponding to the current LOD layer; decoding the code stream, and determining first identification information corresponding to the current LOD layer; and when the first identification information indicates that the current LOD layer uses a first mode, determining geometric information of the reconstructed mesh of the current LOD layer on the basis of fitting information corresponding to the current LOD layer and the initial geometric information of the reconstructed mesh.

IPC Classes  ?

• G06T 9/00 - Image coding
• G06T 17/20 - Wire-frame description, e.g. polygonalisation or tessellation

Abstract

The present application relates to a signal transmission method and a device. The signal transmission method comprises: a terminal device sends PTRS, wherein the number of transmission layers associated with a PTRS port is less than or equal to the number of transmission layers of a DFT-S-OFDM waveform PUSCH, and the number of transmission layers of the DFT-S-OFDM waveform PUSCH is greater than or equal to 2. According to the embodiments of the present application, when the terminal device sends the PTRS, if the number of transmission layers of the DFT-S-OFDM waveform PUSCH is greater than or equal to 2, the mapping of multi-layer PUSCH transmission is supported.

IPC Classes  ?

• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 72/0446 - Resources in time domain, e.g. slots or frames

Abstract

A method of processing video data, performed by a decoder, is provided. The method comprises decoding a bitstream to obtain video data and coding information; obtaining a picture based on the video data; determining a weighting map using a weighting map function, the weighting map comprising a plurality of weights mapped to respective spatial locations of the picture, wherein the picture and/or coding information are used as inputs to the weighing map function; determining a filter; and applying the weighting map and the filter to the picture to obtain a filtered picture.

IPC Classes  ?

• H04N 19/117 - Filters, e.g. for pre-processing or post-processing
• H04N 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter

Abstract

The present application relates to a key generation method, a device, a computer readable storage medium, a computer program product, and a computer program. The method comprises: a first device receives a first pilot signal sent by a second device; the first device calculates a channel estimation value on the basis of a first pilot key and the first pilot signal; the first device generates a first key on the basis of a plurality of first quantization sequences; the first device sends a plurality of response signals to the second device on the basis of the channel estimation value and the plurality of first quantization sequences, wherein the plurality of response signals are used for the second device to generate a second key.

IPC Classes  ?

• H04L 9/08 - Key distribution

Abstract

The present application discloses encoding and decoding methods, a bit stream, an encoder, a decoder, and a storage medium. The method comprises: by means of first syntax element identification information, indicating whether a unit to be encoded/decoded uses a spatial relationship-based inter-frame nearest neighbor search algorithm for attribute prediction; if yes, further determining a block size corresponding to a current LOD layer in the unit to be decoded; on the basis of the block size corresponding to the current LOD layer, determining a reference block, corresponding to a current point, in a reference frame and a neighboring block having spatial correlation with the reference block; performing inter-frame nearest neighbor search to determine N neighbor points of the current point; and on the basis of the N neighbor points, performing attribute prediction on the current point to determine an attribute reconstruction value. Thus, inter-frame nearest neighbor search is performed on an attribute of a point cloud on the basis of the spatial correlation of point cloud attributes, and attribute prediction is performed using searched N neighbor points, so that the correlation of point cloud attributes between adjacent frames can be further removed, improving the efficiency of point cloud attribute encoding and decoding.

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
• H04N 19/103 - Selection of coding mode or of prediction mode
• 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
• H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Abstract

Embodiments of the present application disclose encoding and decoding methods, a code stream, an encoder, a decoder and a storage medium. At a decoding end, the code stream is decoded, and azimuth sampling information corresponding to a current point cloud is determined; according to the azimuth sampling information corresponding to the current point cloud, an initial prediction value corresponding to the current point cloud is determined, and a prediction value of a point in the current point cloud is determined according to the initial prediction value. At an encoding end, azimuth sampling information corresponding to the current point cloud is determined, and the azimuth sampling information is written into the code stream; according to the azimuth sampling information corresponding to the current point cloud, the initial prediction value corresponding to the current point cloud is determined, and the prediction value of the point in the current point cloud is determined according to the initial prediction value.

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

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. The method comprises: determining a first quantity of voxel nodes of a current unit and a second quantity of reconstruction nodes of the current unit, wherein the first quantity and the second quantity are used for determining whether to skip decoding the voxel nodes of the current unit; and on the basis of the first quantity and the second quantity, determining attribute reconstruction values of the voxel nodes of the current unit. In this way, skip-decoding of the voxel nodes of the current unit can reduce the time complexity of attribute encoding and decoding and improve the attribute encoding and decoding efficiency of a point cloud, thereby improving the encoding and decoding performance of the point cloud.

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

A method of wireless communication of a user equipment (UE) includes receiving a configuration of one or more transmission control indication (TCI) states from a base station and transmitting a first message to the base station, wherein the first message indicates at least one of the one or more TCI states for an uplink/downlink communication with the base station.

IPC Classes  ?

• H04W 24/02 - Arrangements for optimising operational condition

Abstract

Provided are a video decoding method and apparatus, and a device and a storage medium. When decoding the current block, a decoder first determines first motion information of the current block (S101), and then improves the first motion information on the basis of motion information of a reference image of the current block, so as to obtain second motion information (S102). In other words, in the embodiments of the present application, when the first motion information is improved, the motion information of the reference image is taken into consideration, thereby effectively improving the first motion information to obtain accurate second motion information; thus, when a predicted value of the current block is determined on the basis of the accurate second motion information, the prediction accuracy of the current block can be improved, thereby improving the decoding performance of a video.

IPC Classes  ?

• H04N 19/52 - Processing of motion vectors by encoding by predictive encoding
• H04N 19/513 - Processing of motion vectors
• H04N 19/503 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction

Abstract

The present application provides a decoding method, an encoding method, a decoder and an encoder. The decoding method relates to the technical field of image or video decoding, and the decoding method comprises: by means of a first prediction mode different from an intra block copy (IBC) mode, determining block vector information used by a current block; determining first historical block vector information on the basis of the block vector information used by the current block; and updating a first historical block vector information list on the basis of the first historical block vector information, wherein the first historical block vector information list is used for determining a candidate block vector information list used by an IBC block, and the IBC block is a block decoded by means of the IBC mode after the current block. According to the decoding method provided by the present application, the first historical block vector information list is updated by means of the first prediction mode, that is, candidate block vector information of an IBC block is enriched by means of the first prediction mode, thereby improving the decoding performance of an IBC block and the decoding performance of a decoder.

IPC Classes  ?

• H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction

Abstract

A positioning method and apparatus, and a device, a storage medium and a chip, which belong to the technical field of mobile communications. The method is executed by a terminal device, and comprises: performing positioning on a zero-power tag device according to a first wireless signal sent by the zero-power tag device (601), wherein the first wireless signal is actively emitted by the zero-power tag device after same receives a second wireless signal, or is passively sent by the zero-power tag device after same performs backscatter modulation on the second wireless signal, and the second wireless signal is used for supplying power to the zero-power tag device, or is used for waking up the zero-power tag device. The solution reduces the energy consumption of device positioning, and also expands the application scenarios of device positioning.

IPC Classes  ?

• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management

Abstract

Embodiments of the present application disclose an encoding method, a decoding method, a code stream, an encoder, a decoder, and a storage medium. The decoding method comprises: acquiring a related syntax element of a current block, wherein the related syntax element is used for indicating whether the current block uses an intra block copy-based technology in combination with a transformation model list to perform prediction; determining a reference block obtained by using the intra block copy technology by the current block; on the basis of the related syntax element, determining a first transformation model obtained on the basis of the constructed transformation model list, wherein the constructed transformation model list comprises at least two types of transformation models; and determining a prediction block of the current block on the basis of the reference block and the first transformation model.

IPC Classes  ?

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

Abstract

The present application discloses an encoding/decoding method, a bitstream, an encoder, a decoder, and a storage medium. The method comprises: during encoding/decoding of a chroma component, in consideration that some intra-prediction modes are functionally redundant, when prediction mode reference information satisfies a usage condition of a first intra-prediction mode, only encoding/decoding a first syntax element identifier, and skipping encoding/decoding of a syntax element identifier related to a second intra-prediction mode, i.e., the current chroma block not using the second intra-prediction mode; and when the condition is not satisfied, only encoding/decoding a second syntax element identifier, and skipping encoding/decoding of a syntax element identifier related to the first intra-prediction mode, i.e., the current chroma block not using the first intra-prediction mode. Therefore, during encoding/decoding of a chroma component, encoding/decoding codewords of the two intra-prediction modes are reduced, improving the compression efficiency.

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 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Abstract

A wireless communication method, apparatus, and device, and a storage medium, related to the technical field of communications. The method comprises: a terminal device receiving, on a first downlink resource, a first downlink channel or signal sent by a network device, the first downlink channel or signal being used for determining synchronization assistance information (710); and on the basis of the synchronization assistance information, the terminal device sending a first uplink channel or signal to the network device by means of a first uplink resource (720). The first downlink channel or signal used for determining the synchronization assistance information is sent to the terminal device by the network device, so that the terminal device can determine the synchronization assistance information on the basis of the first downlink channel or signal, implement, on the basis of the synchronization assistance information, uplink time domain and/or frequency domain synchronization, and then send the first uplink channel or signal to the network device after uplink synchronization is completed. In this way, the terminal device can request the network device to serve the terminal device when there is a connection establishment or service transmission requirement, thereby improving communication efficiency and reducing energy consumption.

IPC Classes  ?

• H04W 56/00 - Synchronisation arrangements

Abstract

Disclosed in the embodiments of the present application are a coding method, a decoding method, a bit stream, a coder, a decoder and a storage medium. The method comprises: determining a first block vector parameter of a current block; on the basis of the first block vector parameter, determining a first color component reference sample and a second color component reference sample which correspond to the current block, and according to the first color component reference sample and the second color component reference sample, establishing a mapping relationship between a first color component and a second color component; and according to the mapping relationship and a first color component sample value of the current block, determining a predicted value of the second color component of the current block. In this way, the accuracy of chroma prediction can be improved, the bit rate is reduced, and the coding and decoding efficiency can also be improved.

IPC Classes  ?

• 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 19/23 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding with coding of regions that are present throughout a whole video segment, e.g. sprites, background or mosaic
• H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
• H04N 19/61 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
• H04N 19/59 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution

Abstract

Embodiments of the present application provide an SRS transmission method and apparatus, a terminal device, and a network device. The method comprises: a terminal device sends SRSs on a plurality of SRS resources or a plurality of SRS resource sets, wherein the SRSs on the plurality of SRS resources or the plurality of SRS resource sets are sent by means of the same transmission mode and the same transmission resource, and have phase consistency.

IPC Classes  ?

• H04L 5/00 - Arrangements affording multiple use of the transmission path

Abstract

Provided are a wireless communication method, a user equipment (UE) and a network device. The method comprises: a remote UE sending a request message to a first relay UE, wherein the request message is used for requesting, from the first relay UE, a first message which is sent by a network device. The introduction of a request message facilitates a remote UE in obtaining a message, which is sent by a network device.

IPC Classes  ?

• H04W 40/22 - Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
• H04W 68/02 - Arrangements for increasing efficiency of notification or paging channel
• H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink

Abstract

The present application relates to an information transmission method, a first device, a second device, a chip, a computer readable storage medium, a computer program product, a computer program and a communication system. The information transmission method comprises: the first device sends a first message, wherein the first message comprises M types of information, and each type of information among the M types of information is obtained by processing collected data on the basis of a processing mode corresponding to each type of information, M being an integer greater than or equal to 1. According to embodiments of the present application, data corresponding to different processing modes or data in different formats can be flexibly collected for different requirements, thereby improving the flexibility of data collection.

IPC Classes  ?

• H04L 41/14 - Network analysis or design
• H04W 24/10 - Scheduling measurement reports

Abstract

Disclosed in the embodiments of the present application are a coding method, a decoding method, a bit stream, a coder, a decoder, and a storage medium. The decoding method comprises: when it is determined that a node in the current layer allows attribute prediction, parsing a bit stream, so as to determine first syntax identification information; when the first syntax identification information indicates that the current layer allows adaptive selection of an inter-frame prediction mode and/or an intra-frame prediction mode, parsing a bit stream, so as to determine a target decoding mode for the current layer; and according to the target decoding mode, performing attribute decoding on the node in the current layer, so as to determine an attribute reconstruction value of the node in the current layer. In this way, the coding and decoding efficiency of a point cloud attribute can be improved, thereby improving the coding and decoding performance of a point cloud.

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

Abstract

Methods and systems for processing a video are provided. In some embodiments, the method includes (i) determining a partition mode of a current block of the video; (ii) identifying corresponding luma blocks of the current block; and (iii) determining whether one or more of the corresponding luma blocks is coded with a pre-determined mode based on a pre-defined order. In response to a determination that one or more of the corresponding luma blocks is coded with the pre-determined mode, the method further comprises applying the pre-determined mode to a chroma block of the present block.

IPC Classes  ?

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

Abstract

The present application relates to the field of communications. Disclosed are a link switching method and apparatus, and a device and a medium. The method comprises: during the process of switching a first source link to a first target link, sending power control information, wherein the power control information is used for controlling the transmission power of candidate AP MLDs or a target AP MLD, the first source link is at least one link corresponding to a STA MLD and a source AP MLD, and the first target link is at least one link corresponding to the STA MLD and the target AP MLD, the target AP MLD being an AP MLD among the candidate AP MLDs. The method provided in the present application is conducive to improving the reliability of a first target link.

IPC Classes  ?

• H04W 12/08 - Access security

Abstract

Embodiments of the present application provide a method and apparatus for determining terminal type, a terminal, a chip, and a storage medium. The method comprises: a first terminal sends first information and/or sends a first signal on a first time unit; the first information is used to indicate that the first terminal is a low-capability terminal, the first time unit is used by the low-capability terminal to send the first signal, and the first terminal is a terminal in a sidelink system.

IPC Classes  ?

• H04W 8/24 - Transfer of terminal data
• H04W 72/04 - Wireless resource allocation

Abstract

The present application relates to a communication method, a terminal device, and a network device. The method comprises: a terminal device initiating an advanced synchronization process, wherein a transmission power corresponding to the advanced synchronization process is determined on the basis of first information. By means of the embodiments of the present application, a transmission power corresponding to an advanced synchronization process is rationally determined, and the communication quality can thus be improved.

IPC Classes  ?

• H04W 36/08 - Reselecting an access point

Abstract

Embodiments of the present application provide a data set determination method and apparatus, a communication device, a chip and a storage medium. The method comprises: a terminal sends a data set to a network device, wherein the data set comprises at least one input instance and at least one tag instance; the input instance is obtained by the terminal measuring a downlink reference signal in a first downlink reference signal set or a second downlink reference signal set, and the tag instance is obtained by the terminal measuring a downlink reference signal in a third downlink reference signal set; and the data set is used for training a first model on the network device, and the first model is used for predicting a target downlink reference signal and/or target link quality.

IPC Classes  ?

• H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
• G06N 20/00 - Machine learning

Abstract

The present application relates to the field of mobile communications. Disclosed are an SL-PRS communication method and apparatus, a device, and a storage medium. The method comprises: an SL communication receiving terminal sends or receives an SL-PRS on the basis of an SL-PRS configuration matching an SL-DRX configuration, so that the SL-PRS is sent or received within a DRX activation duration of a terminal for SL-PRS reception.

IPC Classes  ?

• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management

Abstract

Provided are a method for wireless communication, and a terminal device and a network device. The method comprises: a terminal device determining a first transmission resource among one or more transmission resources according to first information, wherein the first information includes one or more pieces of the following information: energy storage related information of the terminal device, and coverage information of the terminal device. In the embodiments of the present application, energy storage related information and/or coverage information of a terminal device is taken into consideration when determining a transmission resource, which is conducive to the terminal device selecting a more suitable transmission resource.

IPC Classes  ?

• H04W 52/24 - TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters

Abstract

The present application provides a decoding method, an encoding method, a decoder, and an encoder. The decoding method comprises: determining whether a current block uses an intra block copy based on local illumination compensation (IBC-LIC) mode; if the current block uses the IBC-LIC mode, determining a first prediction mode, used by the current block, of the IBC-LIC mode; and on the basis of a model corresponding to the first prediction mode, performing illumination compensation on a first prediction block obtained by predicting the current block using an IBC mode used by the current block, so as to obtain a second prediction block of the current block. In the present application, the IBC-LIC mode is subdivided into prediction modes, and models are associated with the prediction modes, thereby avoiding the use of a unified model for illumination compensation, and improving the decoding performance of the decoder.

IPC Classes  ?

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

Abstract

The present application provides a method for wireless communication. The method comprises: a first device sends first information to a second device, wherein the first information is used for indicating a first prediction value of a first cell, and the first cell is a current serving cell of a terminal device and/or a neighboring cell of the serving cell. According to the embodiments of the present application, a measurement result of some or all of measurement targets is predicted (a prediction value of the measurement result is the first prediction value), thereby facilitating reduction of the energy consumption of the first device and reduction of a delay of obtaining the measurement result.

IPC Classes  ?

• H04W 36/30 - Reselection being triggered by specific parameters by measured or perceived connection quality data
• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management

Abstract

The present application discloses an encoding and decoding method, an encoder, a decoder, and a storage medium. At an encoding and decoding end, a basic mesh is subdivided, and initial geometric position information of vertexes comprised in a first vertex set in an initial mesh is determined; and on the basis of the initial geometric position information of the vertexes in the first vertex set and a mapping relationship corresponding to the first vertex set, first predicted geometric position information of the vertexes in the first vertex set is determined. In this way, when geometric position information of a first vertex set of a unit to be encoded and decoded is predicted, encoding and decoding of some vertex shift coefficients are adaptively skipped, and fitting is carried out by utilizing a mapping relationship representing the correlation between initial geometric position information and original geometric position information, to determine first predicted geometric position information corresponding to the initial geometric position information, thereby reducing the code rate of shift coefficients, ensuring the reconstruction quality of geometric position information of mesh vertexes, and improving the encoding and decoding efficiency of the geometric position information.

IPC Classes  ?

• G06T 15/04 - Texture mapping
• H04N 19/46 - Embedding additional information in the video signal during the compression process
• G06T 9/00 - Image coding

Abstract

The present application provides a wireless communication method and apparatus, and a communication device. The method comprises: a network device sends first information to a terminal device, wherein the first information is used for indicating whether the network device supports the terminal device to receive or send a first transmission on the basis of a first transmission mode before being configured with an exclusive parameter, and the first transmission mode is used for coverage enhancement.

IPC Classes  ?

• H04W 24/02 - Arrangements for optimising operational condition

Abstract

The present application relates to a resource configuration method, a terminal device, a network device, a chip, a computer readable storage medium, a computer program product, a computer program, and a communication system. The resource configuration method comprises: a terminal device receives first resource configuration information from a network device, wherein the first resource configuration information is related to first information of a target service; and the terminal device determines, on the basis of the first resource configuration information, a resource for transmitting data and/or the state of the resource. Embodiments of the present application can improve resource scheduling efficiency and reduce transmission delay.

IPC Classes  ?

• H04W 72/04 - Wireless resource allocation

Abstract

Embodiments of the present application provide a wireless communication method and a device. A terminal device can support various capability sets, and can activate some of the capability sets supported by the terminal device. Different capability sets may correspond to different performances, such that more refined terminal energy saving can be realized. The wireless communication method comprises: a terminal device activates N capability sets among M capability sets supported by the terminal device, wherein M and N are both positive integers, M≥2 and N=1, or N≥2 and N

IPC Classes  ?

• H04L 12/54 - Store-and-forward switching systems
• H04W 52/02 - Power saving arrangements

Abstract

A communication method of medium access control includes determining, by an access point (AP), a medium access control associated with ambient power (AMP) devices based on a location information associated with the AMP devices, and transmitting, by the AP, the medium access control to at least one of the AMP devices. Another communication method of medium access control includes receiving, by at least one of ambient power (AMP) devices from an access point (AP), a medium access control associated with the AMP devices, wherein the medium access control is associated with a location information associated with the AMP devices, and performing, by the at least one of AMP devices, channel access based on the medium access control.

IPC Classes  ?

• H04W 4/02 - Services making use of location information

Abstract

The present application relates to a transmission method, a first terminal, a network device, a chip, a computer-readable storage medium, a computer program product, a computer program and a communication system. The transmission method comprises: after using a first transmission mode to transmit a first message for the first time, a first terminal using a second transmission mode to retransmit the first message, wherein the second transmission mode is different from the first transmission mode. By means of the embodiments of the present application, the data transmission performance can be improved.

IPC Classes  ?

• H04L 1/08 - Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system

Abstract

A method for wireless communication, a terminal device, and a network device. The method comprises: a first terminal device determines, according to first information, a first channel from among multiple channels supported by a current cell. The first information comprises one or multiple of the following: weight parameters of the multiple channels; a first identifier associated with the first terminal device; a first channel group to which the first terminal device belongs, wherein the multiple channels belong to multiple channel groups, and the first channel group is one of the multiple channel groups; and first indication information sent by a network device, the first indication information being used to indicate the first channel to the first terminal device. Introduction of the first information facilitates the first terminal device in selecting a suitable channel.

IPC Classes  ?

• H04W 76/00 - Connection management
• H04W 76/10 - Connection setup
• H04W 72/02 - Selection of wireless resources by user or terminal

Abstract

A wireless communication method, an ambient power (AMP) device, and a network device. The method comprises: a target AMP device performing a target operation on the basis of a target parameter, wherein the target operation comprises an operation related to cell selection and/or cell reselection, and the target parameter is related to the capability of the target AMP device.

IPC Classes  ?

• H04W 36/00 - Handoff or reselecting arrangements

Abstract

Provided in the embodiments of the present application is a resource mapping method, comprising: mapping second-stage sidelink control information (SCI) in a physical sidelink shared channel (PSSCH) from a first resource unit in a time slot to at least one second resource unit comprising the first resource unit, wherein a demodulation reference signal of the PSSCH is present on a symbol where the first resource unit is located, and the at least one second resource unit does not overlap or partially overlaps with a symbol for transmitting a sidelink positioning reference signal (SL PRS); and mapping a portion of the PSSCH that does not include the second-stage SCI to at least one third resource unit that does not include the second-stage SCI. By means of the technical solution, the problem of how to transmit an SL PRS and a PSSCH in the same time slot when the SL PRS and sidelink communication are transmitted in a shared resource pool is specified, thereby ensuring effective reception of the PSSCH.

IPC Classes  ?

• H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management

Abstract

The present application relates to a communication method, and devices, a computer-readable storage medium, a computer program product and a computer program. The method comprises: a first device receiving a first media access control (MAC) protocol data unit (PDU) from a second device, wherein the first MAC PDU carries a first message check code, and the first message check code is calculated by the second device on the basis of one or more first loads of the first MAC PDU.

IPC Classes  ?

• H04W 12/03 - Protecting confidentiality, e.g. by encryption
• H04W 12/106 - Packet or message integrity

Abstract

Provided are a wireless communication method, a terminal device, and a network device. The wireless communication method comprises: a terminal device detects a synchronization signal sent by a network device; and when detecting a first synchronization signal, the terminal device determines, on the basis of the first synchronization signal, at least one antenna port associated with the first synchronization signal.

IPC Classes  ?

• H04W 56/00 - Synchronisation arrangements

Abstract

The present application relates to a sidelink communication method and a terminal. The method comprises: a first terminal sends first information after accessing a channel by means of listen-before-talk (LBT), the first information being used for indicating channel occupancy time (COT) shared information. In embodiments of the present application, the use efficiency of COT and the resource utilization rate in a sidelink communication system can be improved.

IPC Classes  ?

• H04W 72/40 - Resource management for direct mode communication, e.g. D2D or sidelink

Abstract

Disclosed in the embodiments of the present application are a coding method, a decoding method, a code stream, a coder, a decoder, and a storage medium. The decoding method comprises: determining a basic mesh of the current image; subdividing the basic mesh, and determining geometric position information of an initial mesh of the current layer in the current image; decoding a code stream, and determining first syntax identification information; when the first syntax identification information indicates that a first decoding mode is used for a shift coefficient of the current layer in the current image, determining a shift coefficient of the current layer in a reference image; and determining geometric position information of a reconstructed mesh of the current layer in the current image according to the geometric position information of the initial mesh of the current layer in the current image and the shift coefficient of the current layer in the reference image. In this way, the reconstruction quality of a mesh is ensured, and the coding rate of a shift coefficient can also be reduced, thereby improving the efficiency of geometric coding of the mesh.

IPC Classes  ?

• 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 embodiments of the present application are a video coding method, a video decoding method, a decoder, a coder and a computer-readable storage medium, which can improve the efficiency of coding and decoding. The video decoding method comprises: parsing a code stream, so as to determine basic grid coding information, at least one shift coefficient coding flag bit and at least one piece of shift coefficient coding information which correspond to the current image; performing decoding, reconstruction and iterative subdivision on the basic grid coding information, so as to determine a multi-level initial reconstructed grid; on the basis of the at least one shift coefficient coding flag bit and the at least one piece of shift coefficient coding information, decoding shift coefficients corresponding to the initial reconstructed grid, so as to determine a shift coefficient corresponding to each layer of grid in the initial reconstructed grid, wherein whether to skip the decoding of the shift coefficient corresponding to each layer of grid is determined according to the at least one shift coefficient coding flag bit; and updating the initial reconstructed grid by using the shift coefficient corresponding to each layer of grid, so as to determine reconstructed geometric information corresponding to the current image.

IPC Classes  ?

• H04N 19/124 - Quantisation

Abstract

Provided in the embodiments of the present application is a decoding method. The method comprises: at a decoding end, a decoder decoding a code stream, and determining first identification information corresponding to the current image; when the first identification information indicates that a first basic mesh corresponding to the current image uses a first mode, determining geometric information of the first basic mesh according to geometric information of a second basic mesh corresponding to a reference image of the current image; and determining a reconstructed original mesh of the current image according to the geometric information of the first basic mesh.

IPC Classes  ?

• H04N 19/124 - Quantisation

Abstract

A wireless communication method of inter-cell mobility, by a user equipment (UE) includes receiving, from a base station, a configuration of a list of candidate cells for inter-cell mobility, receiving, from the base station, a random access channel (RACH) configuration of each candidate cell in the list of candidate cells, and receiving, from the base station, a signaling used to indicate the UE to perform a physical random access channel (PRACH) preamble transmission to a candidate cell in the list of candidate cells.

IPC Classes  ?

• H04W 36/08 - Reselecting an access point

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 method comprises: decoding a code stream, and determining first supplemental enhancement information, wherein the first supplemental enhancement information is used for indicating filtering information of one or more images in a video sequence; on the basis of the first supplemental enhancement information, acquiring filtering parameters of a first image in the video sequence; and performing filtering processing on the first image according to the filtering parameters, and determining a filtered image corresponding to the first image. In this way, the standardization of a syntax structure can be ensured, and the encoding and decoding performance of a point cloud can also be improved.

IPC Classes  ?

• H04N 19/117 - Filters, e.g. for pre-processing or post-processing
• H04N 19/46 - Embedding additional information in the video signal during the compression process

Abstract

The embodiments of the present application provide an information transmission method and apparatus, and a terminal device and a network device. The method comprises: a terminal device sending first information, wherein the first information is used for indicating one or more reference signal groups, and each of the one or more reference signal groups comprises one or more reference signals; and the terminal device sending second information, wherein the second information is used for indicating a transmission parameter set associated with each of the one or more reference signal groups, and the transmission parameter set is used for representing a terminal device capability corresponding to the reference signal groups associated with the transmission parameter set.

IPC Classes  ?

• H04W 72/04 - Wireless resource allocation

Abstract

Provided are methods and apparatuses for device connection, a chip, a storage medium, and a program product. A method for device connection comprises: a first device receives a registration request, the registration request being used for registering a second device, the successful registration of the second device being used for instructing the first device to send to the second device a first message when changing to a connectable state or entering a wake-up state, and the first message being used for instructing the second device to establish a connection with the first device.

IPC Classes  ?

• H04W 4/00 - Services specially adapted for wireless communication networks; Facilities therefor

Abstract

A wireless communication method, a terminal device, and a network device. The method comprises: a terminal device reports a terminal device capability to a network device; and the terminal device receives n transmission parameter sets indicated by the network device, wherein the n transmission parameter sets are used for n uplink transmissions of the terminal device, n is a positive integer, and each transmission parameter set comprises one or more combinations of the following parameters: a sounding reference signal (SRS) resource set index, an SRS resource index, the number of SRS resources, the maximum number of SRS ports, and the maximum number of transmission layers corresponding to the SRS resource set index.

IPC Classes  ?

• H04W 72/21 - Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Abstract

Embodiments of the present application provide a data transmission method, a device, and a storage medium. The method comprises: a terminal device sends or receives a first number of physical channels, wherein the first number of physical channels include a first physical channel and a second physical channel, frequency domain resources of the first physical channel and frequency domain resources of the second physical channel belong to different frequency domain resource sets, different frequency domain resource sets have different frequency domain resources, the first number is greater than 1, and the first number of physical channels are used for transmitting first information.

IPC Classes  ?

• H04W 72/0453 - Resources in frequency domain, e.g. a carrier in FDMA

Abstract

The present application provides a wireless communication method, and a device. The method comprises: a first network element receiving first information reported by a second network element, wherein the first information is used for indicating a performance monitoring result of a first model used by a terminal device. In the embodiments of the present application, a network element (i.e., a first network element) of a core network receives a model performance monitoring result reported by a terminal device (i.e., a performance monitoring result of a first model used by the terminal device), thereby aiding the core network or a third-party server in monitoring the performance of a model provided thereby, and thus helping to ensure the communication quality of a communication system.

IPC Classes  ?

• H04W 24/08 - Testing using real traffic

Abstract

Provided are a wireless communication method, and a user equipment. The method comprises: a relay user equipment sending first indication information to a remote user equipment, wherein the first indication information is associated with an alarm message. In the embodiments of the present application, indication information which is associated with an alarm message is introduced, and the indication information is exchanged between a relay user equipment and a remote user equipment, thereby facilitating broadcasting of the alarm message.

IPC Classes  ?

• H04W 48/10 - Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information

Abstract

Embodiments of the present application disclose an encoding method, a decoding method, a code stream, an encoder, a decoder, and a storage medium. The decoding method, applied to a decoder, comprises: decoding a code stream, and determining a target filtering mode of a current block; determining a reference area of the current block on the basis of a size parameter of the current block and the target filtering mode; determining a filter coefficient of the current block on the basis of the reference area of the current block; and performing intra-frame prediction on the current block on the basis of the filter coefficient, and determining a predicted value of the current block. Therefore, the time complexity can be reduced while the encoding and decoding performance is ensured.

IPC Classes  ?

• H04N 19/117 - Filters, e.g. for pre-processing or post-processing
• H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes

Abstract

The embodiments of the present application provide an information indication method, and a device. The information indication method comprises: a terminal device receiving an indication of a network device with respect to time information, wherein a time range corresponding to the time information is configured by the network device. The embodiments of the present application can reduce the power consumption of a terminal device caused by receiving time information, thereby achieving an energy-saving effect.

IPC Classes  ?

• H04W 52/02 - Power saving arrangements

Abstract

Provided are communication methods and communication devices. One method comprises: on the basis of a shared key, a first device generates a first key; the first device receives a second random number of a second device; on the basis of the first key, the first device generates first authentication information of the first device; and the first device sends a first message to the second device, the first message comprising the first authentication information, and the first authentication information being generated according to one or more of the following information: device information, service-related information, an identifier of a device forwarding the first message, and a first random number and a second random number of the first device. Compared with the prior art, the first authentication information of the present application can carry more information. Therefore, the present application can provide authentication attributes, such that first authentication information-based security authentication processes can verify more information. In addition, the first authentication information-based security authentication processes can also negotiate about keys.

IPC Classes  ?

• H04L 9/08 - Key distribution
• H04L 9/32 - Arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system

Abstract

The present application relates to the field of mobile communications. Disclosed are a TA determination method and apparatus, and a device and a storage medium. The method comprises: determining a first TA on the basis of a free space path loss between a terminal and a satellite. In the TA determination method provided in the present embodiment, a TA of a service link is estimated by means of a free space path loss between a terminal and a satellite, such that the terminal can acquire a TA value without relying on a positioning capability, thus solving the problem of it being impossible to determine the TA value when the terminal does not has the positioning capability or the position of the terminal cannot be acquired at the position of the terminal by means of the positioning capability; moreover, a reference signal measurement result of the terminal and the free space path loss are used to estimate the TA of the service link, such that the terminal without the positioning capability can also access an NTN cell, thereby reducing the manufacturing cost of the terminal, and getting rid of the generation dependence of the terminal on a positioning module during a design process.

IPC Classes  ?

• H04W 24/08 - Testing using real traffic

Abstract

The present application relates to an authentication method and device, a computer readable storage medium, a computer program product, and a computer program. The method comprises: a first device receives a first message, wherein the first message comprises an encrypted serial number, a first random number, and first authentication information; the first device calculates second authentication information on the basis of a shared key, the encrypted serial number, and the first random number; if the first authentication information is the same as the second authentication information, the first device calculates third authentication information on the basis of a first key, wherein the first key is related to the shared key; and the first device sends a second message, wherein the second message carries the third authentication information.

IPC Classes  ?

• H04W 12/06 - Authentication

Abstract

A cell selection method and an apparatus are disclosed. The cell selection method includes selecting, by a user equipment (UE), a cluster-based cell, wherein the cluster-based cell comprises a plurality of clusters, and selecting, by the UE, one or more initial clusters from the plurality of clusters within the cluster-based cell. The UE includes a selector configured to: select a cluster-based cell, wherein the cluster-based cell comprises a plurality of clusters, and select one or more initial clusters from the plurality of clusters within the cluster-based cell.

IPC Classes  ?

• H04W 48/16 - Discovering; Processing access restriction or access information
• H04W 56/00 - Synchronisation arrangements
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 48/12 - Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
• H04W 48/20 - Selecting an access point

Abstract

The embodiments of the present application provide a wireless communication method and a device. An STA grouping function is introduced during channel contention, such that the allocation of a TXOP is more efficient, and the usage frequency of a multi-user uplink (MU UL) is increased, thus reducing the delay of uplink and downlink data transmission, and alleviating the delay jitter. The wireless communication method is applied to an STA, wherein the STA has uplink data to be transmitted. The method comprises: an STA sending a first MAC frame, wherein the first MAC frame is used for channel contention, and a channel contention result corresponding to the first MAC frame is associated with group information of the STA.

IPC Classes  ?

• H04W 74/00 - Wireless channel access, e.g. scheduled or random access

Abstract

A communication connection establishment method and apparatus, a device and a storage medium, relating to the technical field of communications. The method comprises: establishing a communication connection with a first apparatus group by means of a random access process, the first apparatus group comprising at least one wireless access apparatus (310). The technical solution provided in embodiments of the present application provides a scheme for establishing a communication connection between a terminal device and an apparatus group, wherein the terminal device can establish a communication connection with one apparatus group among a plurality of apparatus groups by means of a random access process. The terminal device does not need to be served by all wireless access apparatuses at the same time, thereby reducing signaling overhead and calculation complexity. The terminal device is only in communication connection with one apparatus group, so that good network expansibility can be realized.

IPC Classes  ?

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