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 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/136 - Incoming video signal characteristics or properties
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
2.
METHOD AND APPARATUS FOR MONITORING MODEL IN BEAM MANAGEMENT BY USING ARTIFICIAL INTELLIGENCE AND MACHINE LEARNING
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 decoding a video according to the present invention may comprise: generating a first prediction block for a current block based on a first prediction mode, generating a second prediction block for a current block based on a second prediction mode, and generating a final prediction block of the current block based on the first prediction block and the second prediction block.
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 19/107 - Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
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 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
H04N 19/50 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive 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
4.
METHOD, DEVICE, AND COMPUTER PROGRAM FOR PROVIDING INFORMATION ABOUT BUNDLED SHIPMENT
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
Provided are a method and apparatus for estimating an optimal optical signal transmission power. The method may include: generating an estimation data including an estimated optical signal transmission power and transmission network facility information; inputting the estimation data into a pre-trained model; calculating an optical signal reception power based on the estimation data; and estimating an optimal optical signal transmission power based on the calculated optical signal reception power.
H04B 10/079 - Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
6.
METHOD AND DEVICE FOR PERFORMING WIRELESS COMMUNICATION USING RELAYS
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.
Provided are a method and apparatus for providing a network switching service to a user equipment. A method of a network apparatus for enabling a user equipment to switch a communication network between a public network and a private network by communicating with a subscriber apparatus, where the subscriber apparatus stores subscribed Network Slice Selection Assistance Information (NSSAI) of the user equipment and a network selection discriminator (NSD) at a subscriber profile, the network selection discriminator (NSD) indicates a network selected by the user equipment, the method may include receiving a registration request from the user equipment and transmitting a slice selection subscription data request to the subscriber apparatus; receiving the subscribed NSSAI from the subscriber apparatus, wherein as the subscribed NSSSAI, subscribed single (S)-NSSAI with at least one value is received; transmitting a registration response including allowed S-NSSAI based on the received subscribed S-NSSAI; and receiving a session establishment request including the allowed S-NSSAI from the user equipment and creating a session to one of the public network and the private network according to the allowed S-NSSAI included in the session establishment request.
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 decoding method according to the present invention can comprise the steps of: deriving merge candidates from neighboring blocks adjacent to a current block; generating a merge candidate list including the merge candidates, wherein the arrangement order of the merge candidates in the merge candidate list is determined on the basis of initial priorities; re-arranging the merge candidates included in the merge candidate list; decoding information for specifying at least one of the merge candidates included in the merge candidate list; and deriving motion information of the current block from a merge candidate corresponding to the information.
H04N 19/51 - Motion estimation or motion compensation
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
10.
METHOD AND APPARATUS FOR ENABLING BIDIRECTIONAL COMMUNICATION FOR SECOND DEVICES
Provided are a method and apparatus for a user equipment, a core network, and a second device to enable bidirectional communication for second devices. The method of the second device may include receiving internet protocol (IP) configuration information for automatically configuring an IP version 6 (IPv6) address of the second device from a core network through a user equipment; generating the IPv6 address using information in the IP configuration information; and transmitting the generated IPv6 address to the core network through the UE.
Provided are a method and apparatus for providing a multi virtual local area network service to user equipments. The method may include storing VLAN routing information that includes user equipment information, which is information on user equipments subscribing to the multi VLAN service, and session information; receiving data from a first user equipment and extracting user equipment information and session information from the received data; determining whether the extracted user equipment information and session information is included in the VLAN routing information; determining the received data as a VLAN routing target if the extracted user equipment information and session information is included in the VLAN routing information; and transmitting the received data to a second user equipment corresponding to a destination of the received data based on the VLAN routing information
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
13.
METHOD FOR TRANSMITTING BUFFER STATUS REPORT OF TERMINAL IN SMALL CELL ENVIRONMENT AND DEVICE THEREFOR
The present disclosure relates a method of transmitting a buffer status report by a terminal. The method may include i) receiving an RRC reconfiguration message including identification information, ii) identifying logic channels associated with the first base station and logic channels associated with the second base station, iii) triggering the buffer status report by identifying buffer statuses of the identified logic channels associated with the first base station and the second base station, and transmitting the buffer status reports to the first base station and the second base station.
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
15.
METHOD AND APPARATUS OF SIGNALING FOR NETWORK ENERGY SAVING
Discloses are a method and apparatus for performing transmission and reception in a mobile communication system. In other words, a user equipment (UE) receives channel state information-reference signal (CSI-RS) from a base station. Further, the UE performs CSI feedback after receiving the CSI-RS from the base station. Here, proposed are the method and apparatus in which at least one of the CSI-RS reception and the CSI feedback transmission is triggered by receiving downlink control information (DCI) including parameter information associated with network energy saving.
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
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
16.
METHOD FOR DUPLICATELY RECEIVING CONTROL MESSAGE, AND DEVICE THEREFOR
Provided is a method for a user equipment to duplicately receive an identical control messages. The method includes duplicately receiving identical control messages from a base station and processing the duplicately received identical control messages by mapping same to mutually different logical channels, by using identification information or an identification entity for identifying and processing the duplicately received identical control message.
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 synchronization method of a femtocell base station built in a specialized network includes searching for at least one neighboring base station by scanning signals in a second frequency band different from a first frequency band allocated for the specialized network, determining a reference base station for synchronization from among the at least one neighboring base station, analyzing the signal transmitted from the reference base station to detect start timing of a time division duplex (TDD) radio frame, and finely adjusting the start timing using a delay time corresponding to a distance from the reference base station.
Provided are methods and apparatus for controlling sidelink communication by using a DRX operation. The method may include receiving a sidelink radio resource control (RRC) message from a base station or another terminal, configuring a sidelink 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.
H04W 72/231 - 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 layers above the physical layer, e.g. RRC or MAC-CE signalling
H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
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
An access control technology in a next generation mobile communication network is disclosed. More specifically, disclosed is a technology for controlling an access control operation of a terminal through an integrated category by various methods and layers. One embodiment provides a method by which a terminal performs integrated access control, comprising the steps of: receiving, from a base station, system information including information for access control; indicating access category information from an NAS layer to an AS layer of the terminal when an access attempt is triggered; confirming whether access barring parameter information is included in the system information; and controlling an access barring check operation in the AS layer by using at least one of the access category information and the access barring parameter information.
H04W 48/08 - Access restriction or access information delivery, e.g. discovery data delivery
H04W 76/25 - Maintenance of established connections
H04L 1/1607 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals - Details of the supervisory signal
H04W 48/02 - Access restriction performed under specific conditions
21.
METHOD AND DEVICE FOR SETTING SUBBAND FOR FULL DUPLEX COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM
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.
A method of video decoding according to the present invention may comprise determining an intra prediction mode of a current block, determining a DC value using reference samples adjacent to the current block when the intra prediction mode of the current block is a DC mode, and deriving a prediction sample of the current block based on the DC value.
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
23.
METHOD AND APPARATUS FOR PROVIDING OPTIMAL COMMUNICATION FOR MULTIPLE USER TERMINALS
According to an exemplary embodiment of the disclosure, an optimal communication providing method performed by a computing device includes obtaining terminal attribute information for each of a plurality of user terminals accessible to a single AP, calculating a channel score for each channel within each band provided by the single AP, based on a pre-constructed radio map for the single AP and at least some of pieces of the terminal attribute information of the plurality of user terminals, and determining an optimal channel for the plurality of user terminals for each band provided by the single AP, based on the channel score.
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
30.
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.
A method for decoding a video according to the present invention may comprise: determining merge target candidate blocks of a current coding block, specifying at least one among the merge target candidate blocks, and generating a merged block by merging the specified merge target candidate block and the current coding block.
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 19/597 - 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
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 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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 19/50 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
H04N 19/30 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
H04N 19/182 - 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 pixel
A method for decoding a video according to the present invention may comprise: obtaining a weighted prediction parameter of a current block, determined, based on the weighted prediction parameter, weights applying to a first prediction block generated based on a first reference picture and a second prediction block generated based on a second reference picture, and obtaining, based on a weighted sum of the first prediction block and the second prediction block, a final prediction block of the current block.
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 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
A method for decoding a video according to the present invention may comprise: determining whether to divide a current block with quad tree partitioning, and dividing the current block into four partitions based on a vertical line and a horizontal line when it is determined that the current block is divided with the quad tree partitioning.
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
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
35.
IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM STORING BITSTREAM
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
36.
METHOD AND DEVICE FOR TRANSMITTING OR RECEIVING DATA IN NEXT GENERATION WIRELESS ACCESS NETWORK
Provided is a method for designing downlink control channel for satisfying requirement of the different usage scenarios from each other in a next-generation/5G radio access network which has been discussed in the 3rd generation partnership project (3GPP). In particular, a method of a base station may be provided for transmitting/receiving data in a next-generation radio access network. The method may include configuring a time domain scheduling unit made up of at least one OFDM symbol for each user equipment, allocating a downlink data channel transmission resource with the time domain scheduling unit for a first user equipment, and puncturing a part of the downlink data channel transmission resource for the first user equipment and allocating the punctured resource to the downlink data channel transmission resource for a second user equipment.
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
Provided are a method and apparatus for supporting a remote access to an Internet of things (IoT) device connected to a private network. The apparatus may include a memory configured to store information and data received from or transmitted to other devices, and generated in the apparatus and store a port forwarding table, a transceiver circuit configured to receive a remote access request message including a service port number of an IoT device connected to a private network from a user equipment of a network operator connected to the router through a public network, and a processor circuit configured to perform port forwarding between the user equipment and the IoT device using a private IP address corresponding to the service port number of the IoT device based on the port forwarding table stored in the memory.
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
41.
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
A method for processing a video according to the present invention may comprise: generating a plurality of Most Probable Mode (MPM) candidates; determining whether there is an MPM candidate identical to an intra-prediction mode of a current block among the plurality of MPM candidates; obtaining the intra-prediction mode of the current block, based on a result of the determining; and performing an intra-prediction for the current block, based on the intra-prediction mode of the current block.
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 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/426 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/182 - 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 pixel
H04N 19/107 - Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 13/161 - Encoding, multiplexing or demultiplexing different image signal components
43.
METHOD AND APPARATUS FOR OPTIMIZING HYBRID COMMUNICATION
Provided are a method and apparatus for dynamically controlling the number of sub-flows in a satellite network included in hybrid communication network. The method may include: obtaining service requirement information for supporting communication between a service server and a user equipment (UE) through a hybrid communication network including a satellite network and a cellular network, where the service requirement information is information on service requirements related to the service server and the service requirement information includes a guaranteed network speed and an allowed latency; and controlling (adjusting) a number of sub-flows of the hybrid communication network based on the service requirement information and service performance information, where the service performance information includes a current network speed and a current latency in communication between the service server and the UE.
A method for providing optimal communication performed by a computing system includes constructing a radio map including information for calculating an interference component for each channel, for one or more access points (APs), estimating a location of a user terminal, based on the radio map, and determining at least one of an optimal AP and an optimal channel for the estimated location of the user terminal, based on the interference component for each channel.
Provided are a method and a device for quantum key distribution. The quantum key distribution device may be connected to another quantum key distribution device through a quantum channel and distribute a quantum cryptography key. The device may include an optical unit having an optical element to transmit information, and a post-processor for calculating a quantum cryptography key by processing a random number generated by the optical unit. The device may include at least one of the optical unit including a plurality of unit optical modules, the post-processor having a plurality of unit post-processing modules, and the optical unit having a plurality of unit optical modules and the post-processor having a plurality of unit post-processing modules.
A server that creates a spatial model includes a derivation unit configured to derive boundary point information from a panoramic image of an indoor space; a point cloud creation unit configured to create a point cloud for the panoramic image; a division unit configured to divide the point cloud based on the boundary point information; a texture image creation unit configured to create a texture image by projecting the divided point cloud onto a plane corresponding to the divided point cloud; a mesh model creation unit configured to extract geometric information from the point cloud based on the boundary point information, and create a mesh model based on the extracted geometric information; and a spatial model creation unit configured to create the spatial model for the indoor space based on the texture image and the mesh model.
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
Provided are a single photon detector and an operation method thereof. The single photon detector may include a gate signal generator for generating a gate signal having a first pulse width (ΔP) with respect to a first time point (t1); and a first photon detector for detecting the single photon while operating in a Geiger mode by receiving the gate signal, and outputs a photon detection signal at a second time point (t2), wherein the first photon detector outputs the photon detection signal at the second time point (t2) spaced apart at a predetermine time interval (ΔT) from the first time point (t1).
Provided are a method and device for processing multicast and broadcast services (MBS) data. The method includes switching a radio resource control (RRC) state to an RRC inactive state, receiving a message for MBS session state notification from a base station, and initiating an RRC connection resume procedure for an RRC state change based on the message
Provided is a method of transmitting and receiving a data channel for the next-generation/5G radio access network. The method may include: receiving setting information about a code block group (CBG) for retransmission of the data channel from a base station; and receiving downlink control information (DCI) including scheduling information about the data channel from the base station, wherein the DCI includes transmission direction information about the CBG.
H04L 1/1607 - Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals - Details of the supervisory signal
H04L 5/00 - Arrangements affording multiple use of the transmission path
H04L 1/1867 - Arrangements specially adapted for the transmitter end
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
52.
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.
Provided is a method of transmitting scheduling control information on a physical uplink shared channel by a base station. The method includes transmitting control information indicating a specific modulation and coding scheme (MCS) index corresponding to modulation and coding scheme (MCS) information to be applied to the physical uplink shared channel through a physical downlink control channel, and receiving the physical uplink shared channel modulated based on specific MCS information determined using one of two or more MCS tables containing the specific MCS index and modulation order information corresponding to at least the MCS index.
A method for decoding a video according to the present invention may comprise: decoding information indicating whether illumination compensation is performed for a current block, determining an illumination compensation parameter of the current block when the information indicates that the illumination compensation is performed for the current block, obtaining a prediction block by performing inter prediction for the current block, and performing the illumination compensation on the current block using the illumination compensation parameter.
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 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/107 - Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
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 19/51 - 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 19/50 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
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
According to the present invention, there is provided a method of decoding an image, the method including: deriving an initial motion vector of a current block; determining a motion refinement vector of the current block; and determining a motion vector of the current block on the basis of the initial motion vector and the motion refinement vector. Herein, the initial motion vector is derived from any one of merge candidates included in a merge candidate list for the current block.
H04N 19/56 - Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
H04N 19/139 - Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/567 - Motion estimation based on rate distortion criteria
H04N 19/52 - Processing of motion vectors by encoding by predictive encoding
An image decoding method according to the present invention may comprise obtaining a motion vector of a current block, updating the motion vector when bi-directional optical flow is applied to the current block, performing motion compensation on the current block by using the updated motion vector.
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
H04N 19/583 - Motion compensation with overlapping blocks
59.
METHOD AND APPARATUS FOR VIDEO SIGNAL PROCESSING DETERMINING REFERENCE SAMPLE LINES FOR A PREDICTION TARGET SAMPLE
According to the present invention, there is provided a method of decoding an image, the method including: determining an intra prediction mode of a current block; determining a reference sample line for a prediction target sample included in the current block; and obtaining a prediction value of the prediction target sample on the basis of the intra prediction mode and the reference sample line.
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 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/189 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
60.
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).
Disclosed are a method and apparatus for communication and/or controlling between a base station, a repeater, and a user equipment (UE) in a wireless communication system. The UE performs downlink reception using a downlink beam on a first link between the UE and the repeater and performs uplink transmission using an uplink beam on the first link, wherein the downlink beam and the uplink beam are associated with each other by identification information for identifying the downlink beam and the uplink beam, and the identification information is configured by side control information from a base station through a second link between the repeater and the base station.
Provided are a method and apparatus for relaying a signal in a wireless network. A method of controlling, by a base station, relay of a radio signal includes setting a beam index for a beam of a repeater used for communication between the repeater and a terminal, configuring side control information for beam control of the repeater based on the beam index, and transmitting the side control information to the repeater, in which the side control information is divided into semi-static beam indication information and dynamic beam indication information.
Provided are methods and apparatuses for transmitting HARQ feedback information for sidelink transmission. In particular, a method of a transmitter user equipment (Tx UE) is provided for transmitting the HARQ feedback information for the sidelink transmission. The method may include: receiving, from the base station, resource allocation information on a physical uplink control channel (PUCCH) for transmitting, to the base station, the HARQ feedback information for the sidelink transmission to a receiver user equipment (Rx UE); generating the HARQ feedback information based on a physical sidelink feedback channel (PSFCH) for the sidelink transmission received from the Rx UE; and transmitting the HARQ feedback information over the PUCCH based on the resource allocation information to the base station.
Provided are a method and apparatus for controlling a paging operation. The method may include 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.
A method for decoding a video according to the present invention may comprise: determining a first prediction mode for a first sub-block in a current block and a second intra prediction mode for a second sub-block, performing a first prediction for the first sub-block based on the first intra prediction mode, performing a second prediction for the second sub-block based on the second intra prediction mode, and obtaining a prediction sample of the current block according to a result of the first prediction and the second prediction.
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 19/117 - Filters, e.g. for pre-processing or post-processing
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
67.
METHOD AND DEVICE FOR SUPPORTING FULL-DUPLEX COMMUNICATION IN WIRELESS NETWORK
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
A method for decoding a video according to the present invention may comprise: determining an intra prediction mode of a current block, deriving reference samples from neighboring samples of the current block, obtaining a first prediction sample for the current block, based on the intra prediction mode and the reference samples, determining an offset for the first prediction sample, and obtaining a second prediction sample by applying the offset to the first prediction sample.
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
H04N 19/61 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
H04N 19/82 - 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 19/88 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
H04N 19/573 - Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
70.
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
71.
METHOD FOR CONFIGURING FREQUENCY RESOURCE ABOUT COMPONENT CARRIER FOR NEW RADIO AND APPARATUSES THEREOF
Provided are a method of configuring resource block (RB) indexing information about a component carrier (CC) by a base station (BS). The method may include: configuring common RB indexing information about the CC; configuring one or more bandwidth parts (BWPs) based on the common RB indexing information; and transmitting the common RB indexing information and configuration information about the bandwidth parts to a terminal.
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
73.
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.
A method of video decoding according to the present invention may comprise determining an intra prediction mode of a current block, determining a DC value based on at least one of top reference samples or left reference samples of the current block when the intra prediction mode of the current block is a DC mode, and deriving a prediction sample of the current block based on the DC value.
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 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/597 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
76.
METHOD AND DEVICE FOR PROCESSING APPLICATION DATA FLOW
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
Provided are a method and device for transmitting/receiving multicast/broadcast service (MBS) data in an NR radio access network. The method of UE for receiving MBS data may include receiving, from a base station, configuration information for receiving MBS session data; based on 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
H04W 72/20 - Control channels or signalling for resource management
H04W 72/30 - Resource management for broadcast services
An image decoding method according to the present invention may comprise determining an intra prediction mode of a current block, deriving reference samples of the current block, and obtaining a prediction sample of the current block using at least one of the reference samples.
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
A method for decoding a video according to the present invention may comprise: decoding information indicating whether a non-zero transform coefficient exists in a current block, when the information indicates that the non-zero transform coefficient exists in the current block, determining a scanning order of the current block, and decoding a transform coefficient included in the current block according to the determined scanning order.
H04N 19/46 - Embedding additional information in the video signal during the compression process
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/30 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
H04N 19/187 - 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 scalable video layer
H04N 19/169 - 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
H04N 19/103 - Selection of coding mode or of prediction mode
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 19/147 - Data rate or code amount at the encoder output according to rate distortion criteria
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/18 - 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 set of transform coefficients
An image decoding method according to the present invention may comprise the steps of: deriving a merge candidate from a candidate block; generating a first merge candidate list including the merge candidate; specifying any one of a plurality of merge candidates included in the first merge candidate list; deriving affine vectors of a current block on the basis of motion information of the specified merge candidate; deriving a motion vector of a sub-block in the current block on the basis of the affine vectors; and performing motion compensation on the sub-block on the basis of the motion vector.
H04N 19/37 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability with arrangements for assigning different transmission priorities to video input data or to video coded data
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 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/52 - Processing of motion vectors by encoding by predictive encoding
A method for dynamically applying a battery saving technology by a terminal is disclosed. The method comprises transmitting a first message requesting an activation of a battery saving technology dynamic service to an authentication server, receiving a second message being a response to the first message from the authentication server, transmitting and receiving data with a base station in a battery saving technology deactivated state, when response information included in the second message comprises authentication success, and at least one application included in the second message is running, and maintaining a battery saving technology activated state when the application included in the second message is not running.
Provided are a method of a base station for controlling transmission and reception of data through a network slice. The method includes: receiving network slice request information from a terminal in which a network slice is configured; controlling so as to deliver the network slice request information to a core network entity; and receiving, from the core network entity, specific network slice information configured on the basis of the network slice request information.
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.
Provided are methods for transmission of a sounding reference signal (SRS) being independent of or separated from an uplink channel. The method may include receiving UE-specific configuration information including an uplink reference signal identity from the first transmission/reception point, determining the second transmission/reception point indicated by the uplink reference signal identity included in the received UE-specific configuration information as an uplink channel reception entity, transmitting the uplink channel to the determined second transmission/reception point, using the uplink reference signal identity, generating an SRS, using the physical cell identity of the first transmission/reception point, determining the first transmission/reception point as an SRS reception entity, and transmitting the generated SRS to the determined first transmission/reception point indicated by the physical cell identity.
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.
The present invention is related to processing a video signal. A method for decoding a video according to the present invention may comprise checking a merge coding unit which is generated by merging a plurality of coding units neighboring each other based on an encoded syntax element, and decoding the checked merge coding unit, wherein a same motion vector is shared in the merge coding unit.
H04N 19/137 - Motion inside a coding unit, e.g. average field, frame or block difference
H04N 19/30 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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
89.
VIDEO SIGNAL ENCODING/DECODING MEHOD, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
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
90.
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 invention, can comprise the steps of: deriving a spatial merge candidate of a current block; generating a merge candidate list for the current block on the basis of the spatial merge candidate; acquiring motion information on the current block on the basis of the merge candidate list; and performing motion compensation for the current block by using the motion information.
H04N 19/51 - Motion estimation or motion compensation
H04N 19/115 - Selection of the code volume for a coding unit prior to coding
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
97.
VIDEO SIGNAL ENCODING/DECODING METHOD, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREIN
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
Provided are a method for a terminal to transmit uplink data, and an apparatus therefor. The method may include: transmitting, to a base station, help information for transmitting uplink data using a pre-configured uplink resource; receiving, from the base station, configuration information for transmitting the uplink data using the pre-configured uplink resource; and transmitting the uplink data through the pre-configured uplink resource on the basis of the configuration information.
Provided is a method of UE for performing sidelink communication. The method may include: receiving, from a base station or another UE, sidelink discontinuous reception (DRX) configuration information; configuring a sidelink DRX parameter using the sidelink DRX configuration information; receiving, from another UE, 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.
