The present embodiments relate to a method and apparatus for monitoring a model in beam management by using artificial intelligence and machine learning and provide a method comprising the steps of: in relation to a reference signal configured for a terminal, receiving second reference signal resource set configuration information of the reference signal for monitoring an AI/ML model; on the basis of the second reference signal resource set configuration information, measuring signal strength or signal quality for the reference signal; and reporting the performance result of the AI/ML model by comparing a measured value of the reference signal with a predicted value of the reference signal inferred via the AI/ML model.
H04B 7/0408 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
A method for providing information about a bundled shipment comprises the steps of: acquiring information about a bundled shipment; displaying at least one piece of pickup location information about the bundled shipment and delivery location information corresponding to the pickup location information in a first area of a shipment information UI according to the expected processing sequence of a plurality of orders included in the bundled shipment on the basis of the information about bundled shipment; and displaying the pickup location information and the delivery location information in a second area of the shipment information UI through a route map.
G06Q 10/08 - Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
G06Q 10/06 - Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
The present embodiments relate to a method and device for performing wireless communication using relays, the method comprising the steps of: receiving configuration information about sounding reference signals (SRSs) from a base station; transmitting each of the SRSs to the base station in successive time periods according to the ON/OFF states of the relays; and performing wireless communication with the base station via a relay determined, on the basis of the transmitted SRSs, to have a UE located in the coverage thereof.
The present disclosure relates to a technique by which a remote terminal connected to a base station transmits/receives data through a direct path and an indirect path by means of a relay terminal. The method by which the remote terminal performs communication through a plurality of paths may comprise the steps of: receiving, from the base station, configuration information for configuring the plurality of paths including the direct path and the indirect path; applying the configuration information so as to configure the plurality of paths; and transmitting an RRC message if a wireless link failure is detected in at least one path from among the plurality of paths.
An image encoding/decoding method according to the present invention comprises the steps of: deriving filter coefficients for prediction of a chroma block; and on the basis of the filter coefficients, deriving a prediction sample for the chroma block by filtering a plurality of luma reconstructed samples within a luma block corresponding to the chroma block.
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/186 - 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 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/70 - 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
6.
IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM STORING BITSTREAM
An image decoding method according to the present disclosure may comprise the steps of: acquiring a first prediction block for the current block; acquiring a second prediction block for the current block; and acquiring a final prediction block for the current block on the basis of a weighted sum operation of the first prediction block and the second prediction block. Here, the first prediction block is acquired by performing motion compensation on each of first sub-blocks generated when a first partition type is applied to the current block, and the second prediction block can be acquired by performing motion compensation on each of second sub-blocks generated when a second partition type is applied to the current block.
H04N 19/51 - Motion estimation or motion compensation
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 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/70 - 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
7.
BUFFER STATUS REPORT PROCESSING METHOD AND APPARATUS THEREFOR
The present disclosure relates to a buffer status report transmitting or receiving technology, and present embodiments may provide a method and apparatus by which a terminal transmits a buffer status report, the method comprising the steps of: transmitting, to a base station, terminal capability indicating support of a buffer status report table configured according to data packet characteristics, distinguished from a legacy buffer status report table; receiving, from the base station, indication information indicating use of the buffer status report table; and transmitting a buffer status report including information about a buffer size calculated by using the buffer status report table.
A method and device for performing downlink transmission and reception and uplink transmission and reception in a wireless communication system are provided. A base station transmits subband configuration information for full duplex communication to a terminal. The terminal performs downlink reception or uplink transmission through a subband on the basis of the received subband configuration information, the subband configuration information includes frequency resource configuration information and time resource configuration information, the frequency resource of the subband set on the basis of the time resource configuration information is set on the basis of a common resource block (CRB), and the time resource of the subband set on the basis of on the time resource configuration information is set based on at least one subband pattern having a period.
The present disclosure relates to a technique for an operation for processing a sidelink communication failure, and the present embodiments may provide a device, and a method by which a terminal performs sidelink communication in an unlicensed band, the method comprising the steps of: configuring a parameter for detecting a sidelink-specific consistent listen before talk (LBT) failure; detecting a sidelink-specific consistent LBT failure by using the parameter; and transmitting the sidelink-specific consistent LBT failure to a base station.
The present embodiments relate to a method and apparatus for performing wireless communication by using a smart repeater, and provided is a method by which a user equipment (UE) performs wireless communication by using a repeater, the method comprising the steps of: receiving synchronization signal block (SSB) configuration information and physical random access channel (PRACH) resource configuration information; repeatedly receiving at least one SSB in each of at least two or more time intervals sequentially configured according to an ON/OFF state of the repeater, on the basis of the SSB configuration information; and transmitting a PRACH preamble corresponding to an SSB selected from among the received SSBs, on the basis of the PRACH resource configuration information.
The present embodiments provide a method for transmitting an uplink by a terminal, the method comprising the steps of: on the basis of time division duplex (TDD) configuration information received from a base station, determining a format of a symbol as one of a downlink symbol, an uplink symbol, and a flexible symbol; receiving configuration information on an uplink subband and a downlink subband for full duplex communication; receiving additional information for uplink transmission in a reconfiguration symbol in which the uplink subband is configured, among symbols, formats of which have been determined as downlink symbols; and transmitting an uplink in the reconfiguration symbol on the basis of the additional information for uplink transmission in the reconfiguration symbol, wherein a frequency resource for uplink transmission is limited to an area within a frequency domain of the uplink subband.
An image encoding/decoding method according to the present invention comprises the steps of: deriving a motion vector of the current block; and on the basis of the motion vector, acquiring a prediction sample of the current block from a reference picture. Here, if the location indicated by the motion vector within the reference picture is a fractional location, the prediction sample may be set to a fractional location sample acquired by interpolating a first interpolated sample and a second interpolated sample that are acquired by interpolating integer location samples within the reference picture, and the locations of the first interpolated sample and the second interpolated sample may be determine by the directionality of interpolation.
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
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/70 - 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
The present disclosure relates to a technique for uplink transmission and reception through a configured grant (CG). The present embodiments may provide a method for a terminal to transmit uplink data, the method comprising the steps of: receiving, from a base station, configured grant (CG) configuration information for transmitting a plurality of physical uplink shared channels (PUSCH) within one CG period; checking uplink grant information on the basis of at least one of the CG configuration information and L1 signaling; and transmitting a plurality of PUSCHs within one CG period on the basis of the uplink grant information.
A method and a device for performing downlink transmission and reception and uplink transmission and reception in a wireless communication system are provided. A base station transmits subband configuration information for full duplex communication to a terminal. The terminal performs downlink reception or uplink transmission through a subband based on the received subband configuration information, wherein the subband configuration information includes time axis resource configuration information, the time axis resource configuration information includes reference subcarrier spacing (SCS) configuration information and at least one piece of pattern configuration information, and each piece of pattern configuration information of the at least one piece of pattern configuration information includes period information.
H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
15.
AUTONOMOUS DRIVING ROBOT, METHOD FOR AUTONOMOUS DRIVING ROBOT OPERATING, AUTONOMOUS DRIVING ROBOT PLATFORM SERVER AND METHOD FOR CONTROL OF AUTONOMOUS DRIVING ROBOT USING USER TERMINAL
A method for operating an autonomous driving robot, which is operated by at least one processor and controlled by a user terminal, generates nodes for data collection for each component constituting the autonomous driving robot if power is applied. The method: generates robot identification information distinguishing the autonomous driving robot from a plurality of other autonomous driving robots; and specifies the robot identification information as the namespace of the nodes. The method: identifies control authority information preset on the autonomous driving robot; and when receiving a control command from the user terminal, performs a mission on the basis of the control command.
The present disclosure relates to a technique for controlling the operation of a mobile relay in a mobile communication system and provides a method in which a source donor base station controls the operation of a mobile relay, and an apparatus thereof, the method comprising the steps of: transmitting a handover request message to a target donor base station; receiving, from the target donor base station, a handover response message which contains radio resource configuration information for at least one of a mobile relay and terminals served by the mobile relay; and controlling so that the radio resource configuration information is indicated to at least one of the mobile relay and the terminals.
An image decoding method, according to the present disclosure, comprises the steps of: deriving a first prediction block for a current block; deriving a reference block for the current block; and updating the first prediction block on the basis of a second prediction block derived from the reference block. In the current block, a third prediction sample at a current prediction location is derived on the basis of a weighted sum calculation based on a first prediction sample in the first prediction block and a second prediction sample in the second prediction block, and a weight for the weighted sum calculation may be determined on the basis of a classification result at the current prediction location.
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - 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 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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 19/577 - Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
18.
METHOD AND DEVICE FOR BEAM MANAGEMENT USING ARTIFICIAL INTELLIGENCE AND MACHINE LEARNING
The present invention relates to a method and device for beam management using artificial intelligence and machine learning, and may provide a method and a device, the method comprising the steps of: receiving reference signal resource configuration information from a base station; performing a measurement operation on a reference signal on the basis of the reference signal configuration information; and transmitting, to the base station, at least one of measurement result information about the reference signal or reference signal inference result information derived using the measurement result information about the reference signal.
H04B 7/0408 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
This apparatus for generating an indoor space model may comprise: a deriving unit for deriving information about a plurality of space composition objects included in a layout image from a vectorized layout image; a space composition model generating unit for generating a space composition model for each space composition object in units of tiles, on the basis of the information about the plurality of space composition objects; a tile modeling unit for performing tile modeling on the generated space composition model; and an indoor space model generating unit for generating an indoor space model by using the space composition model on which the tile modeling is performed.
G06F 30/13 - Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
A DDS communication method is disclosed. The DDS communication method according to the present invention comprises steps in which: node information including identification information and a domain ID is received from a plurality of nodes intending to participate in DDS communication by accessing a gateway; node information about nodes having the same domain ID and a group key corresponding to the domain ID are transmitted to the nodes having the ID from among the plurality of nodes; the gateway configures a network for allowing the nodes having the domain ID to exchange packets; and the gateway receives, from a specific node having the domain ID, authentication information generated using the group key, performs authentication by using the authentication information, and transmits a packet received from the specific node to another node having the domain ID if the authentication is successful.
H04L 9/06 - Arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for blockwise coding, e.g. D.E.S. systems
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
21.
IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM STORING BITSTREAM
An image encoding/decoding method according to the present invention may comprise the steps of: collecting prediction information from neighboring blocks of a current block; deriving a prediction parameter of the current block on the basis of the collected prediction information; and deriving prediction information for each of sub-blocks in the current block on the basis of the prediction parameter.
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
H04N 19/587 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - 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
An image encoding/decoding method according to the present invention comprises the steps of: determining an intra prediction mode of a current block; selecting, on the basis of the intra prediction mode, a first reference sample belonging to a first reference sample line; and obtaining, on the basis of the first reference sample, a prediction sample of the current block. Here, the prediction sample may be derived by selectively applying one of a first direction interpolation filter and a second direction interpolation filter to the first reference sample.
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
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
23.
METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS NETWORK
The present embodiments relate to a method and a device for transmitting and receiving data in a wireless network, and provided is a method by which a terminal transmits data, comprising the steps of: receiving configuration information for periodic transmission of an uplink data channel from a base station; and transmitting the uplink data channel to a base station on the basis of the configuration information, wherein the terminal is a terminal that supports an extended reality service.
H04W 72/566 - Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
H04L 1/18 - Automatic repetition systems, e.g. Van Duuren systems
H04L 1/00 - Arrangements for detecting or preventing errors in the information received
H04L 5/00 - Arrangements affording multiple use of the transmission path
24.
TRANSMISSION AND RECEPTION METHOD AND DEVICE FOR VARIABLE TRAFFIC IN WIRELESS COMMUNICATION SYSTEM
Provided are a method and device for performing uplink transmission and reception in a wireless communication system. The present invention configures a plurality of modulation and coding scheme (MCS) candidate indexes related to a configured grant, and performs uplink transmission and reception based on the configured grant. Here, the uplink transmission and reception are performed on the basis of one MCS index among the plurality of MCS candidate indexes, and the one MCS index is selected so as to be variable.
The present disclosure relates to a technology for processing packet data. The present embodiments provide a method and a device for processing an application data flow by a terminal, the method comprising the steps of: receiving a higher layer message including radio resource configuration information configured for transmission or reception of specific application data; configuring the radio resource configuration information in the terminal; and classifying and processing user plane data of the application data on the basis of the radio resource configuration information.
An integrated terminal device according to an embodiment of the present invention comprises: an access point (AP) unit that provides a wireless LAN function; and a set-top box (STB) unit connected to the AP unit through Ethernet, wherein the AP unit may initiate home network communication with the STB unit through a dynamic host configuration protocol (DHCP) and allocate an internet protocol (IP) address to the STB unit, and the AP unit and the STB unit may transmit and receive packets to and from each other through inter process communication (IPC).
H04N 21/436 - Interfacing a local distribution network, e.g. communicating with another STB or inside the home
H04N 21/4363 - Adapting the video stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
H04L 9/06 - Arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for blockwise coding, e.g. D.E.S. systems
H04L 67/00 - Network arrangements or protocols for supporting network services or applications
27.
METHOD AND DEVICE FOR CONTROLLING PACKET DATA PROCESSING
The present disclosure relates to a technique for controlling packet data processing. The present embodiments may provide a device and method by which a source base station controls a handover of a terminal that transmits and receives an application data flow, the method comprising the steps of: transmitting a handover request message including a QoS parameter for a protocol data unit (PDU) set of application data to a target base station; receiving a handover response message including radio bearer configuration information generated on the basis of the QoS parameter for the PDU set from the target base station; and causing the source base station to forward data for the application data of the terminal to the target base station.
A method and a device for performing downlink transmission and reception and uplink transmission and reception in a wireless communication system are provided. A base station transmits subband configuration information for full duplex communication to a terminal. The terminal performs downlink reception or uplink transmission through a subband based on the received subband configuration information, wherein the subband configuration information includes subband frequency resource allocation information, and the location of the frequency resource allocation information of the subband is based on a common resource block (CRB).
The present embodiments relate to a method and device for supporting full-duplex communication in a wireless network. A method by which a terminal transmits and receives data in a wireless communication system comprises the steps of: receiving configuration information for a full-duplex communication mode; receiving resource allocation information for allocating radio resources for uplink transmission in a predetermined frequency band; and performing uplink transmission in the full-duplex communication mode on the basis of the configuration information for the full-duplex communication mode and the resource allocation information, wherein the resource allocation information is received from a first radio access technology base station, and the frequency band is a frequency band in which radio resources for downlink transmission are allocated in a second radio access technology base station.
An image encoding/decoding method according to the present invention may comprise the steps of: generating a matching table including a plurality of candidates; and selecting one candidate from the matching table on the basis of a luma reconstructed sample in a luma block and deriving a prediction value of a chroma sample at the same location as the luma reconstructed sample on the basis of the selected candidate.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/186 - 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 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
31.
VIDEO SIGNAL ENCODING/DECODING METHOD, AND RECORDING MEDIUM FOR STORING BITSTREAM
An image decoding method disclosed herein comprises the steps of: selecting a reference picture for the current block from a reference picture list; and acquiring a prediction block for the current block on the basis of the reference picture. Here, the reference block may be a virtual reference block generated on the basis of a plurality of reference blocks included in the reference picture list.
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - 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 19/70 - 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
An image encoding/decoding method according to the present invention comprises the steps of: deriving an initial prediction parameter for a chroma block; adjusting the initial prediction parameter; and obtaining a prediction block for the chroma block, on the basis of the adjusted prediction parameter and a reconstructed luma block.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/59 - 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
33.
METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING NEW RADIO TECHNOLOGY (NR) PHYSICAL DOWNLINK CONTROL CHANNEL (PDCCH) IN WIRELESS COMMUNICATION SYSTEM
A method and a device for transmitting and receiving a new radio technology (NR) physical downlink control channel (PDCCH) in a wireless communication system are provided. In one or a plurality of orthogonal frequency division multiplexing (OFDM) symbols in a slot, a terminal monitors a PDCCH transmitted by a base station, wherein the slot is used for a long term evolution (LTE) cell-specific reference signal (CRS), and the terminal receives, from the base station, in at least one OFDM symbol in the slot, a demodulation reference signal (DM-RS) for the decoding of the PDCCH. A resource element (RE) used for the DM-RS for the decoding of the PDCCH does not overlap with an RE used for a LTE CRS.
A method and a device for transmitting and receiving downlink control information in a wireless communication system are provided. A base station transmits, to a terminal, configuration information of multiple cells scheduled through one piece of downlink control information (DCI), and the terminal receives one piece of downlink control information for the multiple cells on the basis of the received configuration information. Thereafter, downlink data channel reception and/or uplink data channel transmission is performed on the basis of the received one piece of downlink control information, wherein the number of the multiple cells is less than or equal to a maximum number of cells which can be scheduled through one piece of downlink control information.
The present disclosure relates to a technique for processing data flow generated at an application level. According to one aspect, the present embodiments can provide a method by which a terminal processes application data flow, and a device, the method comprising the steps of: receiving an upper layer message including wireless resource configuration information associated with help information about application traffic characteristics and/or PDU set information; applying the wireless resource configuration information to a terminal; and using the wireless resource configuration information so as to transmit/receive user plane data generated at an application layer.
H04L 47/2475 - Traffic characterised by specific attributes, e.g. priority or QoS for supporting traffic characterised by the type of applications
H04L 67/61 - Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
H04L 67/131 - Protocols for games, networked simulations or virtual reality
H04W 28/02 - Traffic management, e.g. flow control or congestion control
An image encoding/decoding method according to the present invention comprises the steps of: determining at least one intra prediction mode for a current block; and on the basis of the at least one intra prediction mode, performing intra prediction on the current block. Here, the at least one intra prediction mode may be determined via a histogram derived from a reference region of the current block.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/70 - 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
An image encoding/decoding method according to the present invention comprises the steps of: determining at least one intra prediction mode for a current block; and on the basis of the at least one intra prediction mode, performing intra prediction on the current block. Here, the at least one intra prediction mode may be determined on the basis of a cost derived by performing intra prediction on a reference region of the current block on the basis of each of a plurality of intra prediction modes.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
The present disclosure relates to a technique for controlling XR and media service traffic in a mobile communication network. The present embodiments may provide a device and a method for controlling data traffic by a core network control plane node, the method comprising: an information reception step of receiving, from an application function control entity, one or more pieces of information among help information on application traffic characteristics, a PDU-Set QoS parameter, an identifier for grouping flows belonging to a multimodal application, and a synchronization threshold; an information transmission step of transmitting, to a base station, one or more pieces of information among help information on application traffic characteristics, a PDU Set QoS parameter, an identifier for grouping flows belonging to a multimodal application, and a synchronization threshold during a PDU session establishment or modification procedure; and a step of performing control to instruct transmission of a user packet including PDU-Set information to a core network user plane node.
The present embodiments relate to a method and apparatus for transmitting and receiving a synchronization signal block, and provide a method comprising the steps of: receiving, by a reduced capacity terminal, configuration information for receiving an SSB in a limited bandwidth from a base station; on the basis of the configuration information, receiving a first PBCH of the SSB within a first frequency resource; and on the basis of the configuration information, receiving a second PBCH of the SSB within a second frequency resource.
An image decoding method according to the present disclosure comprises the steps of: when a random access is performed, sequentially decoding pictures belonging to a random access group; and outputting, as a reconstructed picture, a last picture from among the pictures belonging to the random access group.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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 19/176 - 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 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
41.
VIDEO SIGNAL ENCODING/DECODING MEHOD, AND RECORDING MEDIUM ON WHICH BITSTREAM IS STORED
An image decoding method according to the present disclosure comprises the steps of: generating a motion vector prediction list for the current block; selecting one from a plurality of motion vector prediction candidates included in the motion information prediction list; restoring a motion vector differential value of the current block; and adding the motion vector prediction candidate and the motion vector differential value so as to derive a motion vector of the current block. A code of the motion vector differential value can be determined on the basis of code prediction information indicating whether a predicted code matches an actual code.
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - 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 19/70 - 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
The present disclosure relates to a method by which a terminal changes a cell, and a device therefor. The present embodiments may provide a method and a device, the method comprising the steps of: receiving a higher layer message including one or more candidate target cell configuration information for an L1/L2-triggered mobility (LTM) operation; transmitting an L1 measurement result for a candidate target cell on the basis of the higher layer message; receiving a medium access control control element (MAC CE) indicating performance of an LTM operation to a target cell; and performing a cell change operation without RRC reconfiguration by applying the candidate target cell configuration information for the target cell on the basis of the MAC CE.
The present disclosure relates to: a method for controlling a cell change operation of a mobile communication terminal; and a device thereof. The embodiments may provide: a method for a terminal to perform a cell change operation; and a device. The method comprises the steps of: receiving an upper layer message including one or more pieces of candidate target cell configuration information for an L1/L2-triggered mobility (LTM) operation; receiving a medium access control control element (MAC CE) instructing the execution of the LTM operation on a target cell; and performing a detach operation from a source cell on the basis of the MAC CE, and performing the cell change operation by applying the candidate target cell configuration information for the target cell.
An image encoding/decoding method and apparatus according to the present invention may: determine an intra prediction mode of a current block; determine one or more reference lines of the current block from among a plurality of reference line candidates available for the current block; generate a prediction sample of the current block on the basis of the intra prediction mode and the one or more reference lines, which have been determined; and correct the generated prediction sample.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/70 - 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 19/176 - 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
The present disclosure relates to a method for controlling mobility of a mobile communication terminal, and a device therefor. The present embodiments may provide a device and a method by which a terminal performs a mobility control operation, the method comprising the steps of: receiving a higher layer message including one or more pieces of candidate target cell configuration information for an L1/L2-triggered mobility (LTM) operation; receiving a medium access control control element (MAC CE) indicating performance of an LTM operation to a target cell; and performing a cell change operation to the target cell on the basis of the MAC CE, while controlling a preset MAC reset operation for the LTM operation to be performed.
Proposed in the present disclosure are a method and an apparatus for providing a control plane procedure in a cell change operation for a mobile communication terminal. The present embodiments may provide an apparatus and a method by which a terminal performs a cell change operation, the method comprising the steps of: receiving a higher layer message including one or more candidate target cell configuration information for an L1/L2-triggered mobility (LTM) operation; receiving a medium access control control element (MAC CE) instructing performance of the LTM operation to a target cell; and controlling an operation of a timer included in the upper layer message.
An image decoding method according to the present disclosure comprises the steps of: determining whether sign prediction for at least one residual coefficient is applied; when it is determined that the sign prediction is applied, deriving a reconstruction block for each of sign combinations applicable to the at least one residual coefficient; calculating a cost of each of a plurality of reconstruction blocks; and obtaining a reconstruction block on the basis of sign prediction information about the at least one residual coefficient to which the sign prediction is applied, and the cost of each of the plurality of reconstruction blocks.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/137 - Motion inside a coding unit, e.g. average field, frame or block difference
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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
An image encoding/decoding method and apparatus according to the present invention may: determine an intra prediction mode of a current block; determine one or more reference lines of the current block from among a plurality of reference line candidates available for the current block; and perform intra prediction of the current block on the basis of the intra prediction mode and the one or more reference lines, which have been determined.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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
49.
VIDEO SIGNAL ENCODING/DECODING METHOD, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREON
Image decoding method according to the present disclosure may comprise the steps of: generating a prediction information merge list with respect to the current block; selecting one from among prediction information merge candidates included in the prediction information merge list on the basis of index information; and obtaining a prediction block of the current block on the basis of the prediction information of the selected prediction information merge candidate.
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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 19/70 - 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 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
50.
VIDEO SIGNAL ENCODING/DECODING METHOD AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREIN
A video encoding/decoding method according to the present disclosure may comprise the steps of: acquiring a first prediction block for a current block on the basis of a first inter prediction mode; acquiring a second prediction block for the current block on the basis of a second inter prediction mode; and acquiring a final prediction block for the current block on the basis of the first prediction block and the second prediction block.
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 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/56 - Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
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 19/543 - Motion estimation other than block-based using regions
H04N 19/57 - Motion estimation characterised by a search window with variable size or shape
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
51.
VIDEO SIGNAL ENCODING/DECODING METHOD, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREON
A video decoding method according to the present disclosure may comprise the steps of: generating a motion information merge list for a current block; selecting one of a plurality of motion information merge candidates included in the motion information merge list; and obtaining a prediction block for the current block on the basis of motion information derived from the selected motion information merge candidate. At this time, an index assigned to each of the plurality of motion information merge candidates may be determined on the basis of a ranking of the motion information merge candidates determined by a decoder.
H04N 19/503 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - 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 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/577 - Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
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
52.
VIDEO SIGNAL ENCODING/DECODING METHOD AND DEVICE BASED ON INTRA-PREDICTION, AND RECORDING MEDIUM STORING BITSTREAM
A video encoding/decoding method and device disclosed herein determine the current block through block division based on a tree structure and sub-sample the current block to form one or more sub-blocks from the current block, and can encode/decode the sub-blocks belonging to the current block according to a prescribed scan order.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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 19/70 - 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
53.
VIDEO SIGNAL ENCODING/DECODING METHOD AND APPARATUS BASED ON INTRA PREDICTION, AND RECORDING MEDIUM STORING BITSTREAM
A video encoding/decoding method and apparatus according to the present disclosure may: determine a current block via tree structure-based block partition; determine an intra prediction mode of the current block on the basis of an MPM list of the current block; derive a reference pixel for intra prediction of the current block; and carry out intra prediction of the current block on the basis of the intra prediction mode and the reference pixel.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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 19/70 - 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 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
54.
VIDEO SIGNAL ENCODING/DECODING METHOD BASED ON INTRA PREDICTION IN SUB-BLOCK UNITS, AND RECORDING MEDIUM FOR STORING BIT-STREAM
A video encoding/decoding method according to the present disclosure may comprise the steps of: inducing a reference mode of respective neighboring blocks within a current block; and performing, on the basis of at least one of reference modes, intra prediction on a sub-block, in the current block, that is smaller than the current block.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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 19/176 - 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 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
The present disclosure relates to a technology for controlling the mobility of a terminal in a non-terrestrial network. In one aspect, the present embodiments may provide a method and device for controlling a handover of a terminal by a target base station, the method comprising the steps of: receiving handover request information for a handover of the terminal, from a source base station or a core network entity; reserving a radio resource for the handover of the terminal on the basis of the handover request information; and determining whether or not the reserved radio resource is to be released, by means of serving cell availability time information included in the handover request information.
The present disclosure relates to a technique for controlling a multicast/broadcast service (MBS) session by a terminal in an NR-based mobile communication network. In one aspect, the present embodiments may provide a method and a device for controlling a multicast/broadcast service (MBS) session resource by a target base station, the method comprising the steps of: receiving a handover request message from a source base station; controlling whether to configure a user plane resource for an MBS session of a terminal on the basis of a handover request message; and when it is determined to configure the user plane resource, transmitting a setup request message for user plane resource allocation for the MBS session to a core network entity.
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
The present disclosure relates to a technique by which a terminal controls a multicast/broadcast service (MBS) session in a NR-based mobile communication network. Provided in one aspect are a method by which a target base station controls a multicast/broadcast service (MBS) session, and a device, the method comprising the steps of: receiving, from a source base station, a handover request message including activation or inactivation state information about a MBS session; determining a wireless resource configuration for the MBS session on the basis of the activation or inactivation state information about the MBS session; and transmitting the wireless resource configuration through the source base station to the terminal.
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
The present disclosure relates to a technology by which a terminal processes multicast/broadcast service (MBS) data in an NR-based mobile communication network. In one aspect, the present embodiments may provide a method and a device, the method, by which a terminal receives MBS data, comprising the steps of: receiving an RRC message from a base station; configuring a data inactivity timer on the basis of the RRC message; and when an MAC entity receives an MBS Traffic channel (MTCH) MAC SDU for the MBS, starting or restarting the data inactivity timer.
H04W 76/40 - Connection management for selective distribution or broadcast
H04W 76/27 - Transitions between radio resource control [RRC] states
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
H04W 80/10 - Upper layer protocols adapted for session management, e.g. SIP [Session Initiation Protocol]
An image decoding method, according to the present disclosure, comprises the steps of: determining whether inverse transformation is skipped in a current block; parsing information on residual coefficients of the current block; reconstructing the residual coefficients by inversely binarizing the information; and selectively applying the inverse transformation to the residual coefficients. Here, the inverse binarization is performed on the basis of Rice parameters for the residual coefficients, and the Rice parameters may be derived on the basis of a first variable derived on the basis of the sum of absolute values of reference residual coefficients.
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 19/70 - 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 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
60.
METHOD FOR CONTROLLING SIDELINK COMMUNICATION, AND DEVICE THEREFOR
The present disclosure relates to a technique for controlling sidelink communication by using a DRX operation. Provided in one example are a method by which a terminal performs sidelink communication, and a device, the method comprising steps of: receiving a sidelink radio resource control (RRC) message from a base station or another terminal; configuring a sidleink discontinuous reception (DRX) parameter by using information included in the sidelink RRC message; and monitoring the reception of sidelink data by using the sidelink DRX parameter.
The present application relates to a LiDAR device. The LiDAR device according to an embodiment of the present invention may comprise: a laser light source unit which outputs line laser beams into a target space; and an image processing unit which generates a detection image including the line laser beams reflected in the target space and generates a three-dimensional coordinate map of the target space by using the detection image.
The present disclosure relates to a technology for processing MBS data. According to one aspect, the present embodiments provide a method by which a terminal processes multicast and broadcast services (MBS) data, and a device therefor, the method comprising: a state transition step of transitioning an RRC state to an RRC inactive state; a step of receiving a message for MBS session state notification from a base station; and a step of initiating an RRC connection resumption procedure for RRC state change on the basis of the message.
H04W 76/40 - Connection management for selective distribution or broadcast
H04W 76/27 - Transitions between radio resource control [RRC] states
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
This spatial model generation server for generating a spatial model may comprise: a derivation unit for deriving boundary point information from a panoramic image of an indoor space; a point cloud generation unit for generating a point cloud of the panoramic image; a dividing unit for dividing the point cloud on the basis of the boundary point information; a texture image generation unit for generating a texture image by projecting the divided point cloud onto a plane corresponding to the divided point cloud; a mesh model generation unit which extracts geometry information from the point cloud on the basis of the boundary point information and generates a mesh model on the basis of the extracted geometry information; and a spatial model generation unit for generating a spatial model of the indoor space on the basis of the texture image and the mesh model.
The present invention relates to a method and a device for quantum key distribution and, more specifically, to a method and a device for quantum key distribution, wherein the device for quantum key distribution is configured such that an optical unit includes a plurality of unit optical modules, or a post-processing unit includes a plurality of unit post-processing modules, or the optical unit and the post-processing unit each has a plurality of unit optical modules and a plurality of unit post-processing modules so as to more efficiently calculate a quantum cryptography key. The present invention relates to a device for quantum key distribution which is connected to another quantum key distribution device through a quantum channel so as to distribute a quantum cryptography key, the device for quantum key distribution comprising: an optical unit having an optical element to transmit information; and a post-processing unit for calculating a quantum cryptography key by processing a random number generated by the optical unit, wherein the optical unit includes a plurality of unit optical modules, or the post-processing unit includes a plurality of unit post-processing modules, or the optical unit and the post-processing unit each includes a plurality of unit optical modules and a plurality of unit post-processing modules.
The present embodiments relate to a method and a device for transmitting/receiving data by using a plurality of cells and provide a method comprising the steps of: receiving cross-carrier scheduling-related information about at least two cells; receiving, from a secondary cell (SCell), scheduling information about a primary cell (PCell) or a primary secondary cell (PSCell) among at least two cells; and transmitting or receiving data on the basis of the scheduling information.
The present embodiments relate to a method and apparatus for controlling a paging operation, and provide a method by which a terminal performs a paging operation, the method comprising the steps of: receiving a paging message including identification information for each terminal for identifying a target to perform a paging operation; and determining whether to apply the paging message on the basis of the identification information.
The present disclosure relates to a method and apparatus for establishing a multicast/broadcast service (MBS) session for transmitting and receiving multicast/broadcast service data in a radio access network (NR), and may provide a method and apparatus for setting up an MBS session by a central unit (CU), the method comprising the steps of: transmitting, to a core network entity, an uplink NAS message including join request information of a terminal for an MBS session; receiving, from the core network entity, an N2 message including MBS session information; transmitting, to a distributed unit (DU), an F1 message including the MBS session information; and receiving, from the distributed unit, a response message to the F1 message.
H04W 76/40 - Connection management for selective distribution or broadcast
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
The present disclosure relates to a method and device for transmitting/receiving multicast/broadcast service (MBS) data in an NR radio access network, and provides a method for a terminal receiving MBS data, the method comprising the steps of: receiving, from a base station, configuration information for receiving MBS session data; on the basis of the configuration information, configuring a MBS radio bearer for receiving the MBS session data; and receiving a MAC protocol data unit (PDU) in which two or more mutually different logical channels associated with the same group-radio network temporary identifier (G-RNTI) are multiplexed.
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
The present disclosure relates to a technology for providing a multicast/broadcast service (MBS) in a seamless manner according to terminal movement in a wireless communication network. According to an aspect, provided are a method and an apparatus for controlling a multicast/broadcast service (MBS) by a central unit (CU), the method comprising the steps of: transmitting information for MBS radio bearer setup to a target distributed unit (DU); receiving a response message from the target distributed unit; and transmitting, to a source distributed unit, information for stopping transmission of MBS data.
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
The present embodiments relate to a method and an apparatus by which a terminal performs frequency hopping, the method comprising the steps of: receiving bandwidth part configuration information for one or more bandwidth parts configured in a system bandwidth for a terminal; receiving frequency hopping configuration information for applying system bandwidth-based frequency hopping or bandwidth part-based frequency hopping; and transmitting and receiving a data channel and a control channel on the basis of the bandwidth part configuration information and the frequency hopping configuration information.
The present disclosure relates to a method for a terminal to transmit uplink data, and an apparatus therefor. According to one aspect, the present embodiments may provide a method for a terminal to transmit uplink data and an apparatus therefor, the method comprising: a step for transmitting, to a base station, help information for transmitting uplink data using a pre-configured uplink resource; a step for receiving, from the base station, configuration information for transmitting the uplink data using the pre-configured uplink resource; and a step for transmitting the uplink data through the pre-configured uplink resource on the basis of the configuration information.
The present disclosure relates to techniques for controlling sidelink communication. In one aspect, the present embodiments provide a method by which a terminal performs sidelink communication, comprising the steps of: receiving, from a base station or another terminal, sidelink discontinuous reception (DRX) configuration information; configuring a sidelink DRX parameter using the sidelink DRX configuration information; receiving, from the another terminal, a sidelink command MAC control element (CE); and controlling a PSCCH transmission or reception operation not to be performed by stopping the sidelink DRX parameter on the basis of the sidelink command MAC CE.
The present disclosure relates to a technology of controlling sidelink communication. In an aspect, the present embodiments provide a method and a device for performing sidelink communication by a terminal, the method comprising the steps of: receiving, from a base station or other terminals, configuration information for controlling transmission of sidelink discontinuous reception (DRX) parameter preference information; configuring an operation of the transmission of the sidelink DRX parameter preference information on the basis of the configuration information; and transmitting the sidelink DRX parameter preference information to the base station or other terminals on the basis of the configuration information.
An image decoding method according to the present disclosure comprises the steps of: determining whether an adaptive loop filter will be applied to the current block; determining whether the adaptive loop filter has linearity or nonlinearity if the adaptive loop filter is applied thereto; determining a filter coefficient set of the adaptive loop filter; and filtering a reconstructed sample within the current block by using the filter coefficient set.
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
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 19/85 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
A method for decoding an image according to the present disclosure comprises the steps of: determining whether to apply a cross-component adaptive loop filter; when the cross-component adaptive loop filter is applied, determining whether the cross-component adaptive loop filter is linear or non-linear; determining a filter coefficient set for the cross-component adaptive loop filter; filtering luminance samples so as to induce a chrominance offset, using the filter coefficient set; and improving chrominance samples using the chrominance offset.
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
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 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/86 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
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 19/70 - 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 19/597 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
An image decoding method, according to the present disclosure, comprises the steps of: determining whether lossless encoding is applied; when the lossless encoding is applied, determining whether palette prediction is applied to a current block; configuring a palette table for the current block; and reconstructing pixels in the current block on the basis of the palette table.
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 19/176 - 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 19/137 - Motion inside a coding unit, e.g. average field, frame or block difference
The present disclosure relates to a relay technology, and, in an aspect, provides a method for changing a parent integrated access and backhaul (IAB) node of an IAB node by a target IAB donor central unit (CU), the method comprising the steps of: receiving a handover request message from a source IAB donor CU; setting up a terminal context for a target parent IAB node and a migrating target IAB node; and transmitting an RRC message to the migrating target IAB node via the source IAB donor CU.
Disclosed is a method for a terminal to dynamically apply a battery saving technique. The method for dynamically applying a battery saving technique comprises the steps of: transmitting a first message requesting activation of a battery saving technique dynamic service to an authentication server; receiving a second message, which is a response to the first message, from the authentication server; transmitting and receiving data to and from a base station while in a battery saving technique inactivation state when response information included in the second message includes authentication success and at least one application included in the second message is running; and maintaining a battery saving technique activation state when the application included in the second message is not running.
The present disclosure relates to a technology for an operation of processing MBS data. An aspect provides a method for receiving, by a terminal, multicast/broadcast service (MBS) data, and an apparatus, the method comprising the steps of: receiving MBS data via an MBS radio bearer mapped to an MBS session in a source cell; triggering a cell change from the source cell to a target cell; and receiving MBS data via one of an MBS radio bearer mapped to an MBS session in the target cell and a radio bearer mapped to a PDU session associated with the MBS session.
H04W 76/40 - Connection management for selective distribution or broadcast
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
The present disclosure is a technology relating to processing of MBS data. According to an aspect of the present disclosure, provided are a method, for receiving multicast/broadcast service (MBS) data by a terminal, and a device, the method comprising the steps of: transmitting a PDU session modification request message comprising MBS session identification information to a core network entity by means of a base station; receiving an RRC message comprising a PDU session modification command message from the base station; and receiving MBS data by means of a radio bearer mapped on the basis of the PDU session modification command message.
H04W 76/40 - Connection management for selective distribution or broadcast
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
82.
METHOD FOR PERFORMING COMMUNICATION USING MULTIPLE USIMS AND DEVICE THEREFOR
The present disclosure proposes a method and a device for performing communication by a UE with multiple USIMs that are in operation at the same time. An aspect of the present disclosure provides a method and a device for performing communication using multiple USIMs by a UE, the method comprising the steps of: determining, in a state of concurrent registration in one or more networks associated with multiple USIMs, release of one or more networks in a connected state; transmitting help information for instructing release to a base station or a core network control plane entity; and monitoring a paging message on the basis of the help information.
The present disclosure proposes a method and a device for performing communication by a terminal (UE with multiple USIMs that are in operation at the same time) having multiple USIMs. In one aspect, the present disclosure provides a method and a device for performing communication using multiple USIMs by a terminal, the method comprising the steps of: transmitting, to a base station or a core network control plane entity, indication information which is concurrently registered in one or more networks associated with multiple USIMs so as to indicate multiple USIM capabilities or multiple USIM function operations; receiving, from the base station, gap information associated with timing for a communication operation; and performing at least one operation among RAN-based notification area update (RNAU), tracking area update (TAU), and paging message reception by using the gap information.
H04W 8/02 - Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
H04W 24/04 - Arrangements for maintaining operational condition
H04W 88/06 - Terminal devices adapted for operation in multiple networks, e.g. multi-mode terminals
H04W 68/02 - Arrangements for increasing efficiency of notification or paging channel
The present disclosure relates to a paging operation. The present disclosure provides an apparatus and a method for receiving a paging message by a terminal, the method comprising the steps of: receiving configuration information for configuring paging indication information of a terminal group including one or more terminals; receiving the paging indication information of the terminal group on the basis of the configuration information; and monitoring at least one of paging downlink control information (DCI) and a paging message in a paging occasion on the basis of a result of monitoring the paging indication information.
An image decoding method according to the present disclosure comprises the steps of: determining whether an intra block copy mode is applied to a current block; generating a block vector candidate list for the current block, if the intra block copy mode is determined to be applied to the current block; deriving a block vector of the current block on the basis of the block vector candidate list; and specifying a prediction block of the current block in a current picture by using the block vector.
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/139 - Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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
An object classifying device for classifying objects included in an image comprises: an input unit that receives input of an image; a foreground object extraction unit that extracts a foreground object from the inputted image; a classification region extraction unit that generates a segmentation-class activation map (S-CAM) from the extracted foreground object on the basis of a deep learning algorithm, and extracts a classification region using the S-CAM; and an object classification unit that classifies objects included in the extracted classification area.
A method by which a flight path setting device sets a flight path on which the air space of a drone is reflected, according to one embodiment, comprises the steps of: receiving, from the drone, flight data collected by the drone; comparing the received flight data with a prearranged flight path of the drone so as to calculate path error scores indicating how much the drone deviates from the prearranged flight path; adjusting a preset air space of the drone on the basis of the path error scores; and generating a new flight path of the drone on the basis of the adjusted air space of the drone and the destination.
An image decoding method according to the present disclosure may comprise the steps of: determining whether lossless encoding is applied to a current image; decoding residual coefficients for a current block in the current image; and deriving a residual sample on the basis of the residual coefficients.
H04N 19/137 - Motion inside a coding unit, e.g. average field, frame or block difference
H04N 19/625 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
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 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
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 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
An image encoding/decoding method according to the present invention may determine a reference pixel line for intra prediction of a current block from among a plurality of pre-defined reference pixel line candidates, determine an intra prediction mode of the current block, and perform the intra prediction on the current block on the basis of the determined reference pixel line and intra prediction mode.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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 19/70 - 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
90.
METHOD FOR CONTROLLING SIDELINK COMMUNICATION, AND APPARATUS THEREFOR
The present disclosure relates to a technology for controlling sidelink communication. In one aspect, the present embodiments may provide a method for performing, by a terminal, sidelink communication, and an apparatus therefor. The method comprises the steps of: for a sidelink HARQ operation, receiving, from a base station, sidelink discontinuous HARQ configuration information used for monitoring a physical downlink control channel (PDCCH); transmitting sidelink data; and monitoring, in a PDCCH discontinuous monitoring section, the PDCCH configured on the basis of discontinuous reception (DRX) parameters included in the sidelink discontinuous HARQ configuration information.
An apparatus for executing a simulation on the basis of a digital twin service may comprise: a generation unit for generating a simulation model on the basis of model design data; an identification unit for identifying at least one intrinsic parameter for a generated simulation model and at least one input value related to the at least one intrinsic parameter; an output unit for outputting an expected output value which can be generated according to an input value from a simulation model on the basis of an intrinsic parameter; a correlation analysis unit for analyzing the correlation between an intrinsic parameter and an expected output value; a selection unit for selecting at least one representative intrinsic parameter among intrinsic parameters according to an analysis result; a collection unit for collecting actual sensor data related to a representative intrinsic parameter from an actual model built on the basis of model design data; an update unit for updating a representative intrinsic parameter on the basis of collected actual sensor data and an expected output value; and a simulation execution unit for executing a simulation by applying an updated representative intrinsic parameter to a simulation model.
G06F 30/20 - Design optimisation, verification or simulation
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
92.
MOTION DETECTION DEVICE AND MOTION DETECTION METHOD
The present application relates to a motion detection device and a motion detection method. A motion detection device according to one embodiment of the present invention may comprise: a sound wave generation unit for periodically outputting sound waves in a secure space; a sound wave reception unit for measuring the sound waves reflected in the secure space and generating a plurality of sound wave signals for each frequency; an analysis unit for generating analysis data by signal processing the sound wave signals, and generating an adaptive threshold reflecting environmental characteristics of the secure space; and a determination unit for comparing the analysis data with the adaptive threshold, and detecting motion in the secure space.
The present disclosure relates to a technique for controlling sidelink communication. In one aspect, the present embodiments may provide a method by which a terminal performs sidelink communication, and a device therefor, the method comprising the steps of: receiving sidelink discontinuous reception configuration information; configuring the sidelink discontinuous reception configuration information in the terminal; and discontinuously monitoring a physical sidelink control channel (PSCCH) on the basis of discontinuous reception (DRX) parameters included in the sidelink discontinuous reception configuration information.
A video decoding method according to the present disclosure may comprise the steps of: when it is determined that a current block is divided into a first partition and a second partition, parsing an index indicating the partition type of the current block; determining first motion information for the first partition; determining second motion information for the second partition; and deriving a final prediction sample of the current block on the basis of a first prediction sample derived on the basis of the first motion information and a second prediction sample derived on the basis of the second motion information. At this time, the index may specify one candidate among candidates in which are combined: an angle index specifying one angle candidate among angle candidates of a dividing line dividing the current block; and a distance index indicating the position of the dividing line in the current block.
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/70 - 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 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - 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 19/137 - Motion inside a coding unit, e.g. average field, frame or block difference
A video decoding method according to the present disclosure may comprise the steps of: determining whether an inverse transform is skipped in a current block; decoding a residual coefficient of the current block; and selectively applying the inverse transform to the residual coefficient on the basis of the determination. When decoding the residual coefficient, either a first syntax indicating whether the residual coefficient is greater than 0 or a second syntax indicating the absolute value of the residual coefficient may be selectively decoded.
H04N 19/60 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
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 19/12 - Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
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 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
The present disclosure relates to a method and device for switching between unicast transmission and multicast/broadcast service (MBS) transmission in a cellular wireless communication network. The present embodiments may provide a method and device for a base station to switch MBS data transmission, the method including the steps of: transmitting MBS data to a terminal according to a first transmission type; determining whether to change the first transmission type in which the MBS data is being transmitted; transmitting switching instruction information to the terminal when it is determined that the first transmission type is to be changed to a second transmission type; and transmitting the MBS data in the second transmission type.
H04W 76/40 - Connection management for selective distribution or broadcast
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
The present invention relates to an X-ray tomographic image capturing device and method and, more specifically, to a quantum key distribution method, device, and system using multi-energy X-rays, and, more specifically, to a quantum key distribution method, device, and system, which can smoothly provide a quantum key even in a case such as when a defect is generated in a first quantum channel (CH1) that connects a first quantum key distribution device (QKD1) and a second quantum key distribution device (QKD2) of the quantum key distribution system. Disclosed in the present invention is a quantum key distribution system comprising: a (1-1)th quantum key distribution device (QKD1-1); a (2-1)th quantum key distribution device (QKD2-1) connected to the QKD1-1 by a first quantum channel (CH1); a (3-1)th quantum key distribution device (QKD3-1) connected to a (1-2)th quantum key distribution device (QKD1-2) by a second quantum channel (CH2); a first quantum node control device (QNC1) for controlling the operation of the QKD1-1 and the QKD1-2; a second quantum node control device (QNC2) for controlling the operation of the QKD2-1; and a third quantum node control device (QNC3) for controlling the operation of the QKD3-1, wherein: in the QNC1, the first quantum key passes through a plurality of paths including a first path (P1) for connecting the QNC1 and the QNC3, so as to bypass the CH1, thereby being transmitted to the QNC2; and in the P1, the key is encoded with a third quantum key shared between the QKD1-2 and the QKD3-1, and is transmitted.
An image decoding method according to the disclosure comprises the steps of: determining whether a cross-component linear model (CCLM) mode is applied to a chroma block; acquiring a filtered neighboring luma sample with respect to a neighboring chroma sample adjacent to the chroma block, when it is determined that the CCLM mode is applied to the chroma block; deriving a CCLM parameter by using the neighboring chroma sample and the filtered neighboring luma sample; and generating a prediction block for the chroma block by using the CCLM parameter.
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 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/186 - 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 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
A video encoding/decoding method and device according to the present invention may comprise: configuring a palette table for a palette mode of a current block; determining per-pixel palette indices of the current block; and predicting pixels of the current block on the basis of the palette table and the palette indices.
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 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
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
A method for decoding a video according to the present disclosure may comprise: a step for configuring a current palette table on the basis of a previous palette table; a step for determining a palette index in units of pixels in the current block; and a step for restoring the pixels in the current block on the basis of the palette table and the palette index.
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 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/174 - 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 slice, e.g. a line of blocks or a group of blocks
H04N 19/184 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
patents
