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111.发明公开公开(公告)号：US20230247678A1
公开(公告)日：2023-08-03
申请号：US18132447
申请日：2023-04-10
Inventor： Geonjung KO , Juhyung SON , Jinsam KWAK
CPC classification number: H04W74/0833 , H04L1/00 , H04L5/0055 , H04L1/1614 , H04W28/04 , H04W74/006 , H04W84/12
Abstract: A wireless communication terminal communicating wirelessly with a base wireless communication terminal and unassociated with the base wireless communication terminal is disclosed. The wireless communication terminal includes: a transceiver; and a processor configured to receive, by using the transceiver, a multi-station Block ACK frame which indicates whether at least one of MAC frames transmitted from at least one of wireless communication terminals is received by using a first field of the multi-station Block ACK frame for indicating an association identifier corresponding to an association of each of the at least one of wireless communication terminals and the base wireless communication terminal, from the base wireless communication terminal, and determine whether a MAC frame transmitted from the wireless communication terminal is received by the base wireless communication terminal based on whether a second field of the multi-station Block ACK frame includes a MAC address of the wireless communication terminal.
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112.发明公开公开(公告)号：US20230247610A1
公开(公告)日：2023-08-03
申请号：US18133520
申请日：2023-04-11
Inventor： Geonjung KO , Juhyung SON , Woojin AHN , Jinsam KWAK
IPC: H04W72/0453 , H04W74/00 , H04W48/18
CPC classification number: H04W72/0453 , H04W74/002 , H04W48/18 , H04W24/02
Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The processor is configured to receive a frame through the transceiver, determine whether the frame is classified into an Intra-Basic Service Set (BSS) frame or an Inter-BSS frame according to a BSS from which the frame is transmitted, and access a channel according to whether the frame is an Intra-BSS frame or an Inter-BSS frame.
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公开(公告)号：US20230129195A1
公开(公告)日：2023-04-27
申请号：US17895883
申请日：2022-08-25
Inventor： Juhyung SON , Jinsam KWAK , Geonjung KO
Abstract: The present invention relates to a channel access method for data transmission, and a wireless communication method and a wireless communication terminal using the same, and more particularly, to a wireless communication method and a wireless communication terminal for efficiently scheduling data transmissions of a plurality of terminals. To this end, provided are a wireless communication terminal comprising a processor and a transceiver, wherein the processor receives a trigger frame indicating an uplink multi-user transmission, and transmits an uplink multi-user PLCP protocol data unit (PPDU) in response to the received trigger frame, wherein the trigger frame and a non-legacy preamble of the uplink multi-user PPDU contains remaining transmission opportunity (TXOP) time information of a current TXOP and a wireless communication method using the same.
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114.发明申请公开(公告)号：US20220385893A1
公开(公告)日：2022-12-01
申请号：US17885506
申请日：2022-08-10
Inventor： Dongcheol KIM , Geonjung KO , Jaehong JUNG , Juhyung SON , Jinsam KWAK
IPC: H04N19/105 , H04N19/132 , H04N19/159 , H04N19/176
Abstract: A video signal processing device comprises a processor configured to: obtain an index of intra prediction mode of a current block, obtain a reference sample line index for the current block, and generate a plurality of reference samples and a plurality of additional reference samples based on a direction of the intra prediction mode. The direction of the intra prediction mode is determined based on the index, and a number of the plurality of additional reference samples determined based on the reference sample line index and/or a ratio of a width of the current block and a height of the current block.
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115.发明申请公开(公告)号：US20220377607A1
公开(公告)日：2022-11-24
申请号：US17879778
申请日：2022-08-03
Inventor： Woojin AHN , Juhyung SON , Jinsam KWAK , Geonjung KO
Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The terminal includes a transceiver, and a processor. The processor is configured to receive an Aggregate-MAC Protocol Data Unit (A-MPDU) from an originator using the transceiver, and when receiving all MPDUs included in the A-MPDU, transmit to the originator a block ACK (BA) frame signaling that all MPDUs included in the A-MPDU are received without a bitmap indicating whether each MPDU included in the A-MPDU is received.
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Patent Agency Ranking
公开(公告)号：US20220368924A1
公开(公告)日：2022-11-17
申请号：US17875411
申请日：2022-07-28
Inventor： Dongcheol KIM , Geonjung KO , Jaehong JUNG , Juhyung SON , Jinsam KWAK
IPC: H04N19/159 , H04N19/105 , H04N19/11 , H04N19/176 , H04N19/593
Abstract: 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.
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公开(公告)号：US20220303567A1
公开(公告)日：2022-09-22
申请号：US17750300
申请日：2022-05-21
Inventor： Jaehong JUNG , Juhyung SON , Dongcheol KIM , Geonjung KO , Jinsam KWAK
IPC: H04N19/46 , H04N19/70 , H04N19/96 , H04N19/186 , H04N19/176
Abstract: A method for processing a video signal, the method comprising: acquiring a transform skip active flag indicating whether a transform skip flag can exist in a transform unit syntax, the transform skip flag indicating whether a transform skip is applied to a transform block included in a current block; acquiring a palette active flag indicating whether a palette mode is applied; when the transform skip active flag indicates existence of the transform skip flag in the transform unit syntax or the palette active flag indicates application of the palette mode, acquiring information related to a minimum quantization parameter which is allowed in a transform skip mode; acquiring the minimum quantization parameter on the basis of the information related to the minimum quantization parameter; correcting a quantization parameter on the basis of the acquired minimum quantization parameter; and reconstructing the current block on the basis of the corrected quantization parameter.
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118.发明申请公开(公告)号：US20220272772A1
公开(公告)日：2022-08-25
申请号：US17742406
申请日：2022-05-12
Inventor： Geonjung KO , Juhyung SON , Woojin AHN , Jinsam KWAK
IPC: H04W74/08 , H04L5/00 , H04L27/26 , H04W72/04 , H04L1/00 , H04L1/16 , H04W28/06 , H04W74/00 , H04W84/12
Abstract: Provided is a wireless communication terminal that wirelessly communicates with a base wireless communication terminal. The wireless communication terminal includes a transceiver, and a processor. The processor is configured to set an integer selected from a range of 0 to a value equal to or smaller than an OFDMA Contention Window (OCW) as a counter for random access, receive a trigger frame for triggering random access using one or more resource units (RUs) allocated for the random access from the base wireless communication terminal using the transceiver, decrement a value of the counter based on the one or more RUs allocated for the random access, randomly select one RU based on the one or more RUs allocated for the random access when the value of the counter is 0 or reaches 0, and attempt transmission to the base wireless communication terminal using the selected RU.
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公开(公告)号：US20220141495A1
公开(公告)日：2022-05-05
申请号：US17578381
申请日：2022-01-18
Inventor： Dongcheol KIM , Geonjung KO , Jaehong JUNG , Juhyung SON , Jinsam KWAK
IPC: H04N19/70 , H04N19/105 , H04N19/159 , H04N19/186 , H04N19/172
Abstract: A video signal decoding device comprises a processor which: decodes a general constraint information (GCI) syntax included in a bitstream of a video signal; and decodes the bitstream on the basis of the result of decoding the GCI syntax, wherein the GCI syntax includes a GCI syntax element for configuring the value of an SPS syntax element indicating whether it is possible to use a palette mode included in a sequence parameter set (SPS) raw byte sequence payload (RBSP) syntax.
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公开(公告)号：US20220086429A1
公开(公告)日：2022-03-17
申请号：US17423853
申请日：2020-01-20
Inventor： Geonjung KO , Dongcheol KIM , Juhyung SON , Jaehong JUNG , Jinsam KWAK
IPC: H04N19/105 , H04N19/70 , H04N19/176 , H04N19/139 , H04N19/52
Abstract: Disclosed is a video signal processing method and device that encodes or decodes a video signal. In particular, the video signal processing method may comprise the steps of: parsing a first syntax element indicating whether a merge mode is applied to a current block; when the merge mode is applied to the current block, determining whether to parse a second syntax element on the basis of a first predefined condition, wherein the second syntax element indicates whether a first mode or a second mode is applied to the current block; when the first mode and the second mode are not applied to the current block, determining whether to parse a third syntax element on the basis of a second predefined condition; and determining a mode applied to the current block on the basis of the second syntax element or the third syntax element.
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