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41.
公开(公告)号:US12177902B2
公开(公告)日:2024-12-24
申请号:US18377725
申请日:2023-10-06
Inventor: Juhyung Son , Jinsam Kwak , Geonjung Ko
IPC: H04W4/00 , H04W72/54 , H04W74/0808 , H04W74/0816 , H04W84/12 , H04B17/318 , H04L27/00
Abstract: The present invention relates to a wireless communication terminal and wireless communication method for clear channel assessment, and more particularly, to a wireless communication terminal and a wireless communication method for performing an efficient clear channel assessment for spatial reuse of a communication system.
For this, provided are a wireless communication terminal comprising: a transceiver configured to transmit and receive a wireless signal; and a processor configured to control an operation of the terminal, wherein the processor is configured to: perform a backoff procedure of a channel for data transmission, suspend the backoff procedure when a wireless signal having a signal strength higher than a predetermined first clear channel assessment (CCA) threshold is received through the channel, identify whether the received wireless signal is a wireless signal of the same basic service set (BSS) as the terminal, and determine whether to resume the backoff procedure based on a CCA threshold determined according to the identification result and a wireless communication method using the same.-
42.
公开(公告)号:US12167415B2
公开(公告)日:2024-12-10
申请号:US17941472
申请日:2022-09-09
Inventor: Juhyung Son , Jinsam Kwak , Geonjung Ko , Woojin Ahn
IPC: H04W72/23 , H04L1/00 , H04L5/00 , H04L27/26 , H04L65/40 , H04W52/02 , H04W72/0453 , H04W74/00 , H04W74/08 , H04W84/12
Abstract: The present invention relates to a wireless communication method and a wireless communication terminal using a non-contiguous channel. To this end, provided are a wireless communication terminal including a processor and a transceiver, wherein the processor receives a wireless packet through the communication unit, obtains total bandwidth information indicated via a bandwidth field of HE-SIG-A of the received packet, obtains information of an unassigned resource unit via at least one of the bandwidth field of the HE-SIG-A and a subfield of HE-SIG-B of the received packet, and decodes the received packet based on the total bandwidth information and the information of the unassigned resource unit and a wireless communication method using the same.
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43.
公开(公告)号:US12120744B2
公开(公告)日:2024-10-15
申请号:US18212702
申请日:2023-06-21
Inventor: Woojin Ahn , Juhyung Son , Jinsam Kwak , Geonjung Ko
IPC: H04W74/0816 , H04B7/0452 , H04W74/00 , H04W84/12 , H04W74/0833
CPC classification number: H04W74/0816 , H04B7/0452 , H04W74/002 , H04W84/12 , H04W74/085
Abstract: The present invention relates to a wireless communication terminal and a wireless communication method for a multi-user EDCA operation, and more particularly, to a wireless communication terminal and a wireless communication method for performing a combination of a legacy EDCA operation and a multi-user EDCA operation. To this end, provided are a wireless communication terminal including: a communication unit; and a processor configured to control transmission and reception of a wireless signal through the communication unit, wherein the processor updates enhanced distributed channel access (EDCA) parameters for channel access, the EDCA parameters being updated based on an EDCA parameter set selected from a first EDCA parameter set and a second EDCA parameter set, and performs channel access based on the updated EDCA parameters and a wireless communication method using the same.
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公开(公告)号:US12114001B2
公开(公告)日:2024-10-08
申请号:US17750300
申请日:2022-05-21
Inventor: Jaehong Jung , Juhyung Son , Dongcheol Kim , Geonjung Ko , Jinsam Kwak
IPC: H01L29/94 , H04N19/176 , H04N19/186 , H04N19/46 , H04N19/70 , H04N19/96
CPC classification number: H04N19/46 , H04N19/176 , H04N19/186 , H04N19/70 , H04N19/96
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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公开(公告)号:US12081735B2
公开(公告)日:2024-09-03
申请号:US17629385
申请日:2020-07-24
Inventor: Geonjung Ko , Dongcheol Kim , Juhyung Son , Jaehong Jung , Jinsam Kwak
IPC: H04N19/105 , H04N19/132 , H04N19/159 , H04N19/167 , H04N19/176 , H04N19/186 , H04N19/33 , H04N19/593 , H04N19/139
CPC classification number: H04N19/105 , H04N19/132 , H04N19/159 , H04N19/167 , H04N19/176 , H04N19/186 , H04N19/33 , H04N19/593 , H04N19/139
Abstract: A method for processing a video signal, of the present disclosure, comprising the steps of: parsing, from a bitstream, upper level merge with MVD (MMVD) activation information (sps_mmvd_enabled_flag) indicating whether the upper level MMVD including a current block is usable; parsing, from the bitstream, MMVD merge information (mmvd_merge_flag) indicating whether the MMVD is used in the current block, if the upper level MMVD activation information indicates the activation of the MMVD; parsing MMVD distance-related information (mmvd_distance_idx) and MMVD direction-related information (mmvd_direction_idx), if the MMVD merge information indicates that the MMVD is used in the current block; and obtaining MMVD information (mMvdLX) based on the MMVD distance-related information and the MMVD direction-related information, wherein the MMVD information is greater than or equal to −2{circumflex over ( )}17 and is less than or equal to 2{circumflex over ( )}17−1.
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公开(公告)号:US12047601B2
公开(公告)日:2024-07-23
申请号:US17596501
申请日:2020-06-10
Inventor: Dongcheol Kim , Geonjung Ko , Jaehong Jung , Juhyung Son , Jinsam Kwak
IPC: H04N7/12 , H04N19/12 , H04N19/176 , H04N19/593 , H04N19/61
CPC classification number: H04N19/593 , H04N19/12 , H04N19/176 , H04N19/61
Abstract: The present disclosure relates to a method and device for processing a video signal and, more specifically, comprises the steps of: parsing, from a bitstream, block-based delta pulse code modulation (BDPCM) enable information indicating whether or not BDPCM has been enabled; when the BDPCM enable information indicates that the BDPCM has been enabled, the width of a current block is less than or equal to a first value, and the height of the current block is less than or equal to a second value, parsing, from the bitstream, intra BDPCM information indicating whether or not the BDPCM is to be applied to the current block; when the intra BDPCM information indicates that the BDPCM is to be applied to the current block, parsing, from the bitstream, intra BDPCM direction information regarding the current block; and reconstructing the current block on the basis of the intra BDPCM direction information.
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公开(公告)号:US12041273B2
公开(公告)日:2024-07-16
申请号:US18065919
申请日:2022-12-14
Inventor: Dongcheol Kim , Jaehong Jung , Geonjung Ko , Juhyung Son , Jinsam Kwak
IPC: H04N19/70 , H04N19/172 , H04N19/82
CPC classification number: H04N19/70 , H04N19/172 , H04N19/82
Abstract: A video signal decoding device comprises a processor, wherein: the processor decodes a sequence parameter set (SPS) raw byte sequence payload (RBSP) syntax included in a bitstream of a video signal, and decodes the bitstream on the basis of the decoding result of the SPS RBSP syntax; the SPS RBSP syntax includes a first syntax element related to the number of one or more sub-pictures configuring one picture, and a second syntax element indicating whether to process a boundary of the one or more sub-pictures as a boundary of the one picture on the basis of the first syntax element; and the second syntax element is parsed only when the number of the one or more sub-pictures is two or more.
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公开(公告)号:US12035376B2
公开(公告)日:2024-07-09
申请号:US18132447
申请日:2023-04-10
Inventor: Geonjung Ko , Juhyung Son , Jinsam Kwak
IPC: H04W74/0833 , H04L1/00 , H04L1/1607 , H04L5/00 , H04W28/04 , H04W74/00 , H04W28/02 , H04W74/08 , H04W84/12
CPC classification number: H04W74/0833 , H04L1/00 , H04L1/1614 , H04L5/0055 , H04W28/04 , H04W74/006 , H04W28/0278 , H04W74/08 , 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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49.
公开(公告)号:US11979772B2
公开(公告)日:2024-05-07
申请号:US17879778
申请日:2022-08-03
Inventor: Woojin Ahn , Juhyung Son , Jinsam Kwak , Geonjung Ko
CPC classification number: H04W28/06 , H04L1/1614 , H04L1/1621 , H04L5/0037 , H04L5/0055 , H04L5/0091 , H04W28/04 , H04W84/12 , H04W88/08
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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公开(公告)号:US11950244B2
公开(公告)日:2024-04-02
申请号:US17112738
申请日:2020-12-04
Inventor: Juhyung Son , Geonjung Ko , Jinsam Kwak , Sanghyun Kim
IPC: H04W72/04 , H04H20/95 , H04W72/0453 , H04W72/121 , H04W72/23
CPC classification number: H04W72/23 , H04H20/95 , H04W72/0453 , H04W72/121
Abstract: Disclosed is a method for receiving data by a terminal in a wireless communication system. The terminal may receive a physical protocol data unit (physical layer protocol data unit: PPDU) from an access point (APAP) and decode the received PPDU. The PPDU may include a universal signal (U-SIG) field and an extremely high throughput (EHT)-SIG field including at least one content channel, and the U-SIG field may include a bandwidth field indicating the total bandwidth via which the PPDU is transmitted. The total bandwidth is divided into at least one segment, and at least one of field among same fields includes same information except for a resource unit allocation (RU allocation) field between a first content channel and a second content channel in the same segment among the at least one segment when the at least one content channel is composed of a first content channel and a second content channel.
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