公开(公告)号：US20250142399A1

公开(公告)日：2025-05-01

申请号：US19011053

申请日：2025-01-06

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

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

IPC: H04W28/02 ,  H04L47/2483

Abstract: A non-access point (AP) multi-link device operating in a first link and a second link is disclosed. The non-AP multi-link device comprises a transmission/reception unit and a processor. The processor receives a beacon frame or a probe response frame from an AP multi-link device operating in the first link and the second link, determines a traffic identifier (TID) mapped to the first link and the second link according to TID-to-Link mapping indicated by the beacon frame or the probe response frame, and performs transmission in the first link or the second link according to the TID mapped to the first link and the second link.

公开(公告)号：US20250142346A1

公开(公告)日：2025-05-01

申请号：US19004217

申请日：2024-12-28

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

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

IPC: H04W16/02 ,  H04W24/08 ,  H04W28/20 ,  H04W52/14 ,  H04W52/24 ,  H04W52/34 ,  H04W72/044 ,  H04W84/12 ,  H04W88/02

Abstract: The present invention relates to a wireless communication method and a wireless communication terminal for a spatial reuse operation of an overlapping basic service set, and more particularly, to a wireless communication method and a wireless communication terminal for supporting a spatial reuse operation of an overlapping basic service set to efficiently use a wireless resource.
To this end, provided are a wireless communication terminal including: a processor; and a communication unit, wherein the processor receives a trigger frame indicating an uplink multi-user transmission, and transmits a trigger-based PHY protocol data unit (PPDU) in response to the received trigger frame, wherein the trigger-based PPDU comprises a spatial reuse parameter for spatial reuse operation of an overlapping basic service set (OBSS) terminal and a wireless communication method using the same.

公开(公告)号：US20250133588A1

公开(公告)日：2025-04-24

申请号：US19005969

申请日：2024-12-30

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

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

IPC: H04W74/08 ,  H04L12/28 ,  H04W84/12

Abstract: The present invention relates to a wireless communication method and a wireless communication terminal using a determination of basic service set identification information of a received frame, and more particularly, to a wireless communication method and a wireless communication terminal for performing an operation according to a determination result whether the received frame is an intra-BSS frame or an inter-BSS frame.
To this end, provided are a wireless communication terminal including a processor and a communication unit, wherein the processor receives a wireless frame through the communication unit, when the received frame is a VHT PPDU, extracts partial association ID (AID) information and group ID information from a preamble of the VHT PPDU, when the extracted group ID information is equal to a predetermined value, checks whether at least some information of the extracted partial AID matches a partial basic service set (BSS) color announced to the terminal, and determines whether the received frame is an intra-BSS frame or an inter-BSS frame according to whether at least some information of the partial AID matches the partial BSS color and a wireless communication method using the same.

公开(公告)号：US20250132885A1

公开(公告)日：2025-04-24

申请号：US19009907

申请日：2025-01-04

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

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

IPC: H04L5/00 ,  H04W74/00 ,  H04W74/08 ,  H04W84/12

Abstract: Provided is a wireless communication terminal that communicates wirelessly. The wireless communication terminal includes: a transceiver, and a processor. The processor receiving trigger information from a base wireless communication terminal using the transceiver, and transmits an Aggregate-MAC Protocol Data Unit (A-MPDU) to the base wireless communication terminal based on the trigger information.

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：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：US20240224334A1

公开(公告)日：2024-07-04

申请号：US18412462

申请日：2024-01-12

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Minseok NOH ,  Jinsam KWAK ,  Juhyung SON ,  Geonjung KO

IPC: H04W74/0808 ,  H04L5/00 ,  H04L27/26 ,  H04W84/12 ,  H04J11/00 ,  H04W72/0453 ,  H04W74/08

CPC classification number: H04W74/0825 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/0098 ,  H04L27/26 ,  H04L27/2657 ,  H04W74/0808 ,  H04W84/12 ,  H04J2011/0096 ,  H04W72/0453 ,  H04W74/0883

Abstract: Disclosed are a method, an apparatus, and a system for transmitting a signal using multiple carriers. In detail, provided are a wireless communication apparatus including a communication module; and a processor, wherein the processor obtains a common back-off counter for a carrier set on which data is to be transmitted, wherein the carrier set includes at least one component carrier, performs back-off of each of the component carriers using the obtained common back-off counter, and simultaneously transmits data through at least one component carrier in which the back-off is completed and a wireless communication method using the same.

公开(公告)号：US20240008083A1

公开(公告)日：2024-01-04

申请号：US18229165

申请日：2023-08-01

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

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

IPC: H04W74/08 ,  H04L5/00

CPC classification number: H04W74/0816 ,  H04L5/0053

Abstract: Disclosed is a method for a station (STA) to transmit a frame in a wireless communication system. In the present invention, the STA receives a management frame including a first operation element and a second operation element from an access point (AP), and transmits a PPDU to the AP on the basis of the first operation element or the second operation element. Here, the first operation element may indicate a basic service set (BSS) operation channel for a legacy STA, and the second operation element may indicate a BSS operation channel for the STA that is not the legacy STA.