Wilus Institute of Standards and Technology Inc.

Sk Telecom Company, Ltd.

Lg Electronics Inc.

Humax Co., Ltd.

Samsung Electronics Co., Ltd.

Beijing Xiaomi Mobile Software Co., Ltd.

Humax Networks, Inc.

Seoul National University

Korea University Research and Business Foundation

Gcoa Co., Ltd.

Jinsam Kwak

Juhyung Son

Geonjung Ko

Woojin Ahn

Minseok Noh

Yongho Kim

Kyungjun Choi

Jaehong Jung

Dongcheol Kim

JuHyung Son

Jinsoo Choi

Jeongki Kim

Kiseon Ryu

Yongho Seok

Jinsoo Ahn

Giwon Park

Geunyoung Seok

Seunghee Han

Wookbong Lee

Hangyu Cho

Youngsoo Yuk

Sanghyun Kim

Inuk Jung

Suhwook Kim

Hyunoh Oh

Jinyoung Chun

Taegyu Lee

Eunjong Lee

Heejeong Cho

Jaehyung Song

Jinho Kim

Hyukmin Son

Hyun Oh Oh

Kiwon Kang

Fathan Adi Pranaya

Bonho Koo

Inkyu Lee

Jihoon Yun

Youngjoon Yoon

Hyunsoo Ko

Jaehoon Chung

Eunsung Park

Heejin Kim

Jin Soo Lee

Hyunwoo Lee

Sunam Kim

Seunghyun Kang

Kukil Lim

Asaf Zebulon

Hwanwoong Hwang

Yongsoo Yuk

Jinso Choi

Jaechan Lee

A video signal processing method comprises: obtaining, from a bitstream, a skip parameter (cu_skip_flag) indicating whether a skip mode is applied to a current block; when the skip parameter indicates that a mode is not the skip mode, obtaining, from the bitstream, a merge parameter (merge_flag) indicating whether the current block is coded with a merge mode; and determining whether a coded block flag (CBF) parameter (cu_cbf), which indicates whether a syntax element related to transform is obtained from the bitstream, is obtained, according to a value of the merge parameter, wherein, when the value of the merge parameter indicates the merge mode, the CBF parameter is not obtained from the bitstream and is determined to be a preconfigured value.

Video signal processing method and device for signaling prediction mode

A video signal processing method includes: a step for deriving an intra prediction mode of a current block; a step for constructing a reference sample around the current block; a step for generating a prediction sample of the current block by using the reference sample on the basis of the intra prediction mode; and a step for restoring the current block on the basis of the prediction sample. The step for generating the prediction sample may include: a step for setting a filter flag value which specifies a filter coefficient of an interpolation filter applied to the reference sample on the basis of the width and height of the current block; and a step for performing filtering on the reference sample by using the interpolation filter having the filter coefficient specified by the filter flag.

Video signal processing method and device using intra prediction filtering

Disclosed is a method for transmitting and receiving a physical protocol data unit (PPDU) in a wireless communication system. A terminal receives a preamble of the PPDU from an access point (AP). The preamble includes a universal signal (U-SIG) field and an extremely high throughput (EHT)-SIG field, wherein the EHT-SIG field may be configured with at least one content channel on a frequency axis. Here, the number of the at least one content channel may be recognized on the basis of the U-SIG field. Subsequently, the terminal receives data of the PPDU on the basis of the U-SIG field and the EHT-SIG field.

Method for transmitting and receiving data in wireless communication system, and wireless communication terminal

The present disclosure relates to a processing method of a video signal, the processing method comprising the steps of: scaling a transform coefficient for a current block on the basis of an intermediate scaling factor array; when the flag indicates that a low frequency non-separable transform is applied to the current block, obtaining a residual for the current block by applying an inverse transform of a non-separable transform and an inverse transform of a primary transform on the scaled transform coefficient, wherein the primary transform is a transform applied to a residual signal of a spatial domain before the low frequency non-separable transform; and reconstructing the current block on the basis of the residual and a predictor of the current block.

Video signal processing method and apparatus using scaling process

The present invention relates to a wireless communication method for suggesting a packet preamble structure for efficient communication in a wireless communication environment in which a legacy terminal and a non-legacy terminal are mixed, and a wireless communication terminal using the same. For this, the present invention provides a wireless communication method including: generating a packet including a first preamble and a second preamble, wherein a first symbol and a second symbol of the second preamble are modulated using binary phase shift keying (BPSK); and transmitting the generated packet and a wireless communication terminal using the same.

Wireless communication method and wireless communication terminal using same

The present invention relates to a wireless communication system, and specifically to: a method comprising the steps of receiving control information for transmitting a PUSCH, wherein the control information includes FDRA information, transmitting the PUSCH in a first RB set corresponding to a first hop within a UL BWP, wherein the first RB set is determined on the basis of the FDRA information, and transmitting the PUSCH in a second RB set corresponding to a second hop within the UL BWP, wherein the second RB set is adaptively determined on the basis of whether the second hop is in an SBFD slot in the time domain; and a wireless apparatus for same.

Method and device for transmitting signals in wireless communication system

A user equipment of a wireless communication system is disclosed. The user equipment includes a communication module, and a processor. The processor is configured to perform a first type channel access, which is a channel access based on a random backoff, for an autonomous uplink (AUL) transmission when a predetermined condition is not satisfied, perform a second type channel access, in which channel sensing for a predetermined single time interval without backoff, for the AUL transmission when the predetermined condition is satisfied, and perform the AUL transmission based on a result of the first type channel access or a result of the second type channel access. The AUL transmission is performed by the user equipment without an uplink (UL) grant received from a base station.

Method, device, and system for channel access in unlicensed band

Disclosed is a video signal processing method and device for encoding or decoding a video signal. More specifically, disclosed are a video signal processing method and a video signal processing device for performing the method, the method comprising: obtaining reference line information indicating a reference line for intra prediction of a current block among a plurality of reference lines comprising neighboring samples of the current block; determining, on the basis of the reference line information, an intra prediction mode for the current block among a plurality of intra prediction modes constituting an intra prediction mode set; and decoding the current block on the basis of a plurality of reference samples on the reference line according to the reference line information and the determined intra prediction mode.

Video signal processing method and device

The present specification relates to a device and method for transmitting an uplink control channel in a wireless communication system. Disclosed in the present specification is a method for transmitting a physical uplink control channel by means of a UE, the method including: a step for generating a first HARQ-ACK codebook related to a first PUCCH; a step for generating a second HARQ-ACK codebook related to a second PUCCH; and a step for transmitting simultaneously the first PUCCH and the second PUCCH or one PUCCH among the first PUCCH and the second PUCCH to a base station in one slot on the basis of a plurality of indicators. According to the present embodiments, the sequence for transmitting a plurality of PUCCHs including respectively different HARQ-ACKs in one slot is clarified, and thus the targeted performance of a 5G wireless communication system intended to simultaneously provide various types of traffic (eURLLC, eMBB) can be achieved.

Device and method for transmitting uplink control channel in wireless communication system

The present invention relates to a wireless communication system and, more particularly, to a method comprising the steps of: receiving a PDCCH for multi-slot scheduling; determining a PDSCH candidate for each slot on the basis of information in the PDCCH; and transmitting a semi-static HARQ-ACK codebook on the basis of the determined PDSCH candidate of each slot, and to an apparatus therefor.

Method, apparatus, and system for transmitting HARQ-ACK codebook in wireless communication system

The present specification relates to a method, a device, and a system for transmitting a physical uplink control channel in a wireless communication system. The present specification discloses a terminal comprising: a communication module for receiving, from a base station, information on a PUCCH serving cell corresponding to a serving cell on which a PUCCH is to be transmitted, generating the PUCCH, and transmitting the generated PUCCH on the PUCCH serving cell; and a processor for configuring the PUCCH serving cell on the basis of the information on the PUCCH serving cell. The terminal can effectively transmit uplink control information.

Method, device, and system for transmitting physical uplink control channel in wireless communication system

Provided is a wireless communication terminal. The wireless communication terminal includes a transceiver configured to transmit and receive a wireless signal and a processor configured to control an operation of the wireless communication terminal. The processor collects data to be transmitted to a plurality of terminals, generates an aggregate-MAC protocol data unit for transmitting data to the plurality of terminals at the same time, and transmits the aggregate-MAC protocol data unit to the plurality of terminals.

Simultaneous data transmission between an access point and a plurality of stations

Disclosed are a video signal processing method and apparatus for encoding or decoding a video signal. In more detail, the video signal processing method includes receiving intra prediction mode information for a current block, wherein the intra prediction mode information indicates one of a plurality of intra prediction modes configuring an intra prediction mode set; and decoding the current block based on the received intra prediction mode information, wherein the intra prediction mode set comprises a plurality of angle modes, and the plurality of angle modes comprises a basic angle mode and an extended angle mode, wherein the extended angle mode is signaled based on the basic angle mode.

Video signal processing method and apparatus

Growing community of inventors

Gyeonggi-do, South Korea

Jinsam Kwak