公开(公告)号：US20250056576A1

公开(公告)日：2025-02-13

申请号：US18930935

申请日：2024-10-29

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Minseok NOH ,  Geunyoung SEOK ,  Juhyung SON ,  Jinsam KWAK

IPC: H04W72/25 ,  H04L5/00

Abstract: The present invention relates to a wireless communication system and, more particularly, to a method and a wireless device therefor, the method comprising the steps of: transmitting SL groupcast transmission to a plurality of terminals; identifying reception response results of the plurality of terminals for the SL groupcast transmission by monitoring a feedback signal in a PSFCH opportunity corresponding to the SL groupcast transmission; and configuring a CWS used for a channel access of SL transmission after the SL groupcast transmission, on the basis of the reception response results of the plurality of terminals, wherein, if the reception response results of the plurality of terminals include even one NACK, then the CWS is configured to have a greater value than a previous CWS, and if the reception response results of the plurality of terminals are all considered ACK, the CWS is reset to a CWS minimum value.

公开(公告)号：US20250039400A1

公开(公告)日：2025-01-30

申请号：US18692814

申请日：2022-09-19

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Kyungyong KIM ,  Dongcheol KIM ,  Juhyung SON ,  Jinsam KWAK

IPC: H04N19/14 ,  H04N19/105 ,  H04N19/176

Abstract: The video signal decoding device comprises a processor, wherein the processor acquires first motion information about the current sub block, acquires second motion information about a first neighboring block from among neighboring blocks of the current sub block, acquires third motion information about a second neighboring block from among the neighboring blocks, acquires a first prediction block based on the first motion information, acquires a second prediction block based on the second motion information, acquires a third prediction block based on the third motion information, and acquires a final prediction block for the current sub block.

公开(公告)号：US20250024439A1

公开(公告)日：2025-01-16

申请号：US18902895

申请日：2024-09-30

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  SK TELECOM CO., LTD.

Inventor： Jinsoo AHN ,  Yongho KIM ,  Jinsam KWAK ,  Juhyung SON

IPC: H04W72/0446 ,  H04L5/00 ,  H04L27/26 ,  H04W72/0453 ,  H04W74/0816 ,  H04W84/12

Abstract: Provided is a wireless communication terminal. The processor is configured to receive, from a base wireless communication terminal through the transceiver, a first frame including first information indicating a duration required for a pending frame exchange sequence and second information indicating a frequency band which is allocated for transmission of a second frame, wherein the pending frame exchange sequence is a transmission sequence between one or more wireless communication terminals, set a network allocation vector (NAV) according to the first information indicating the duration for the pending frame exchange sequence, and reset the NAV when the wireless communication terminal does not receive a PLCP Protocol Data Unit (PPDU) for a reference time from a time point at which the first frame is received.

公开(公告)号：US20250008142A1

公开(公告)日：2025-01-02

申请号：US18828776

申请日：2024-09-09

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Jaehong JUNG ,  Juhyung SON ,  Dongcheol KIM ,  Geonjung KO ,  Jinsam KWAK

IPC: 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.

公开(公告)号：US20240422824A1

公开(公告)日：2024-12-19

申请号：US18818582

申请日：2024-08-28

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Sanghyun KIM ,  Geonjung KO ,  Juhyung SON ,  Jinsam KWAK

IPC: H04W74/0816 ,  H04W72/0457 ,  H04W74/08

Abstract: A non-AP station for communicating with an access point (AP) is disclosed. The non-AP station comprises a transceiving unit and a processor. The processor: receives, from the AP by using the transceiving unit, a first PPDU including a multi user-request to send (MU-RTS) TXOP sharing (TXS) trigger frame; for the MU-RTS TXS trigger frame, allocates, to the non-AP station, a shared TXOP that is a portion of a TXOP acquired by the AP; transmits, to the AP by using the transceiving unit, a second PPDU including a CTS frame in response to the MU-RTS TXS frame; and transmits a third PPDU within the shared TXOP by using the transceiving unit.

公开(公告)号：US20240422613A1

公开(公告)日：2024-12-19

申请号：US18817212

申请日：2024-08-27

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Sanghyun KIM ,  Geonjung KO ,  Juhyung SON ,  Jinsam KWAK

IPC: H04W28/02 ,  H04W88/10

Abstract: Disclosed are: a traffic transmission method performed by a first multi-link device (MLD) comprising a plurality of stations respectively operating on a plurality of links in a wireless communication system; and an apparatus. In detail, an MLD of the present invention receives a beacon frame from a second MLD including a plurality of access points (APs) operating on the plurality of links, respectively, and transmits and receives a data unit on the basis of the beacon frame. Here, the beacon frame includes a multi-link traffic indication element indicating mapping between at least one traffic identifier (TID) for a buffered unit (BU) of the plurality of APs from among a plurality of TIDs and the plurality of links, according to whether or not mapping between the plurality of TIDs and the plurality of links is default mapping for downlink or bidirectional.

公开(公告)号：US20240373036A1

公开(公告)日：2024-11-07

申请号：US18574310

申请日：2022-06-28

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Kyungyong KIM ,  Dongcheol KIM ,  Juhyung SON ,  Jinsam KWAK

IPC: H04N19/159 ,  H04N19/105 ,  H04N19/107 ,  H04N19/176 ,  H04N19/196 ,  H04N19/52 ,  H04N19/70

Abstract: A video signal processing method comprises the steps of: parsing a first syntax element indicating whether to activate a DIMD mode, wherein the first syntax element is signaled on a sequence parameter set (SPS) raw byte sequence payload (RBSP) syntax; when the first syntax element indicates activation of the DIMD mode, parsing a second syntax element indicating whether the DIMD mode is applied to a current block; and when the second syntax element indicates that the DIMD mode is applied to the current block, reconstructing the current block on the basis of the DIMD mode.

公开(公告)号：US20240334548A1

公开(公告)日：2024-10-03

申请号：US18733832

申请日：2024-06-04

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Geonjung KO ,  Woojin AHN ,  Juhyung SON ,  Jinsam KWAK

IPC: H04W80/08 ,  H04W72/0446 ,  H04W72/1268 ,  H04W74/08 ,  H04W76/11

CPC classification number: H04W80/08 ,  H04W72/0446 ,  H04W72/1268 ,  H04W74/0866 ,  H04W76/11

Abstract: Provided is a wireless communication terminal that wirelessly communicates. The wireless communication terminal includes a transceiver configured to transmit and receive wireless signals; and a processor configured to process the wireless signals. The processor is configured to: generate a trigger frame for triggering uplink transmission based random access of at least one wireless communication terminal, and insert the trigger frame into a physical layer protocol data unit (PPDU) to transmit the PPDU.

公开(公告)号：US20240314007A1

公开(公告)日：2024-09-19

申请号：US18673857

申请日：2024-05-24

Applicant: HUMAX NETWORKS, INC. ,  WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Juhyung SON ,  Jinsam KWAK ,  Bonho KOO ,  Kiwon KANG

IPC: H04L27/26 ,  H04L5/00 ,  H04W74/0833

CPC classification number: H04L27/2602 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0083 ,  H04L27/2605 ,  H04L27/261 ,  H04L27/2662 ,  H04L27/2675 ,  H04W74/0833 ,  H04L27/2603

Abstract: Provided is a base wireless communication terminal. The base wireless communication terminal includes a transceiver and a processor. The processor is configured to transmit a mixed Physical Layer Protocol Data Unit (PPDU) including both data for a Long Range (LR) wireless communication terminal and data for a non-LR wireless communication terminal to the LR wireless communication terminal and the non-LR wireless communication terminal using the transceiver. The LR PPDU including only the data for the LR wireless communication terminal has a narrower bandwidth than a bandwidth of the non-LR PPDU including only the data for the non-LR wireless communication terminal.

公开(公告)号：US20240276489A1

公开(公告)日：2024-08-15

申请号：US18637393

申请日：2024-04-16

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Geunyoung SEOK ,  Kyungjun CHOI ,  Minseok NOH ,  Juhyung SON ,  Jinsam KWAK

IPC: H04W72/1268 ,  H04L1/1812 ,  H04L1/1822 ,  H04L1/1829 ,  H04W72/21

CPC classification number: H04W72/1268 ,  H04L1/1822 ,  H04L1/1854 ,  H04W72/21 ,  H04L1/1812

Abstract: Disclosed is a method by which a terminal transmits a physical uplink shared channel (PUSCH) to a base station in a wireless communication system. The terminal can receive, from the base station, configuration information for allocating a resource for transmitting a transport block (TB) through the PUSCH, and map the TB to a plurality of slots constituting the resource on the basis of the configuration information. Thereafter, the terminal can transmit the TB on the plurality of slots through the PUSCH.