公开(公告)号：US12284635B2

公开(公告)日：2025-04-22

申请号：US18618855

申请日：2024-03-27

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Geunyoung Seok ,  Minseok Noh ,  Juhyung Son ,  Jinsam Kwak

IPC: H04W72/0446 ,  H04L5/00 ,  H04W72/21

Abstract: The present invention relates to a method used in a wireless communication system and an apparatus therefor, comprising the steps of: transmitting an uplink channel on a slot set; and transmitting a DMRS for transmission of the uplink channel on the slot set, wherein the DMRS is transmitted to maintain phase continuity and power consistency over a plurality of consecutive slots in a time window, and, when the length of the time window is not configured by a base station, the time window is determined according to the proposal of the present invention.

公开(公告)号：US12273566B2

公开(公告)日：2025-04-08

申请号：US18360645

申请日：2023-07-27

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Geonjung Ko ,  Dongcheol Kim ,  Juhyung Son ,  Jaehong Jung ,  Jinsam Kwak

IPC: H04N19/70 ,  H04N19/159 ,  H04N19/176 ,  H04N19/52

Abstract: A video signal processing method may comprise the steps of: acquiring a first syntax element indicating whether a subblock-based merging mode is applied to a current block; acquiring a second syntax element indicating whether a merging mode using motion vector difference is applied to the current block, when the first syntax element indicates that the subblock-based merging mode is not applied to the current block; and acquiring a third syntax element indicating a candidate to be used in inter-prediction for the current block, among candidates contained in a mergence candidate list for the current block, when the second syntax element indicates that the merging mode using motion vector difference is applied to the current block.

公开(公告)号：US12273564B2

公开(公告)日：2025-04-08

申请号：US17234688

申请日：2021-04-19

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Geonjung Ko ,  Dongcheol Kim ,  Juhyung Son ,  Jaehong Jung ,  Jinsam Kwak

IPC: H04N19/70 ,  H04N19/159 ,  H04N19/176 ,  H04N19/52

Abstract: A video signal processing method may comprise the steps of: acquiring a first syntax element indicating whether a subblock-based merging mode is applied to a current block; acquiring a second syntax element indicating whether a merging mode using motion vector difference is applied to the current block, when the first syntax element indicates that the subblock-based merging mode is not applied to the current block; and acquiring a third syntax element indicating a candidate to be used in inter-prediction for the current block, among candidates contained in a mergence candidate list for the current block, when the second syntax element indicates that the merging mode using motion vector difference is applied to the current block.

公开(公告)号：US12237931B2

公开(公告)日：2025-02-25

申请号：US18634885

申请日：2024-04-13

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Minseok Noh ,  Geunyoung Seok ,  Juhyung Son ,  Jinsam Kwak

IPC: H04L1/1829 ,  H04L1/1822

Abstract: Disclosed is a method for a terminal to transmit a physical uplink shared channel (PUSCH) to a base station in a wireless communication system. The terminal may: receive radio resource control (RRC) configuration information related to the configuration of slots from the base station; and receive, from the base station, a physical downlink control channel (PDCCH) including downlink control information (DCI) scheduling multiple physical uplink shared channels (PUSCHs) for the terminal.

公开(公告)号：US12225595B2

公开(公告)日：2025-02-11

申请号：US18381966

申请日：2023-10-19

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Minseok Noh ,  Kyungjun Choi ,  Jinsam Kwak

IPC: H04W74/0833 ,  H04W72/1263 ,  H04W72/23 ,  H04W74/08 ,  H04W74/0816

Abstract: A base station of a wireless communication system is disclosed. The base station of wireless communication includes a communication module and a processor. The processor is configured to receive a grant for scheduling a plurality of uplink transmissions from the base station, and when the UE attempts to a first fixed duration-based channel access for a first transmission which is one of the plurality of uplink transmission and fails in the first fixed duration-based channel access, attempt to a second fixed duration-based channel access for a second transmission which is a transmission following the first transmission.

公开(公告)号：US12225560B2

公开(公告)日：2025-02-11

申请号：US17489729

申请日：2021-09-29

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Minseok Noh ,  Kyungjun Choi ,  Jinsam Kwak

IPC: H04W72/51 ,  H04L1/1607 ,  H04W72/044 ,  H04W72/1263 ,  H04W72/23 ,  H04W72/56 ,  H04W74/0816

Abstract: The present invention provides: a resource allocation method for uplink transmission onto an unlicensed band in a wireless communication system, particularly, in cellular wireless communication system; and a method, a device, and a system for transmitting scheduling information in a base station and for performing reception and transmission in a terminal. In addition, provided are: a method for efficiently transmitting a signal in a wireless communication system, particularly, in a cellular wireless communication system; and a device therefor, and another objective of the present invention is to provide: a method for efficiently sensing a channel and transmitting a signal/channel in a specific frequency band (for example, unlicensed band); a method for receiving the corresponding signal/channel; and a device therefor.

公开(公告)号：US12219581B2

公开(公告)日：2025-02-04

申请号：US18381161

申请日：2023-10-17

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

Inventor： Woojin Ahn ,  Yongho Kim ,  Jinsam Kwak ,  Juhyung Son

IPC: H04W72/30 ,  H04L47/2416 ,  H04L47/2425 ,  H04M3/56 ,  H04W72/02 ,  H04W72/04 ,  H04W72/52 ,  H04W74/0816 ,  H04W74/0833 ,  H04W84/12

Abstract: The present invention relates to a wireless communication method for simultaneous transmit and receive of data and a wireless communication terminal using the same, and more particularly, to a wireless communication method and an apparatus thereof which can efficiently perform simultaneous data transmission and reception even in an overlapped BSS environment.
To this end, provided are a wireless communication method of a terminal, including: performing a backoff procedure for transmitting data; transmitting a first RTS frame when a backoff counter of the backoff procedure is expired; setting a transmission timer for waiting for transmitting the data when a second RTS frame is received in response to the transmitted first RTS frame; and waiting for transmitting the data based on the set transmission timer and a wireless communication terminal using the same.

公开(公告)号：US12199892B2

公开(公告)日：2025-01-14

申请号：US18241152

申请日：2023-08-31

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Geunyoung Seok ,  Kyungjun Choi ,  Minseok Noh ,  Juhyung Son ,  Jinsam Kwak

IPC: H04L5/00 ,  H04L5/14

Abstract: A method by which a terminal transmits an uplink channel in a wireless communication system comprises steps of: receiving, from a base station, first information, which is information related to a time division duplex (TDD) configuration; and repeatedly transmitting, to the base station, an uplink channel on a resource determined on the basis of the first information.

公开(公告)号：US12192819B2

公开(公告)日：2025-01-07

申请号：US18619944

申请日：2024-03-28

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：US12192112B2

公开(公告)日：2025-01-07

申请号：US17551195

申请日：2021-12-15

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

Inventor： Jinsoo Ahn ,  Yongho Kim ,  Jinsam Kwak ,  Juhyung Son

IPC: H04L47/52 ,  H04L1/1607 ,  H04L1/18 ,  H04L47/50 ,  H04L47/6275 ,  H04W74/00 ,  H04W74/0833 ,  H04W84/12

Abstract: The present invention relates to a wireless communication terminal and a wireless communication method for efficiently scheduling uplink multi-user transmission.
To this end, provided are a base wireless communication terminal, including: a transceiver configured to transmit and receive a wireless signal; and a processor configured to control an operation of the transceiver, wherein the processor selects an access category for transmitting a trigger frame which solicits an uplink multi-user transmission, performs a backoff procedure for transmitting the trigger frame based on the selected access category, and transmits the trigger frame when a backoff counter of the backoff procedure expires and a wireless communication method using the same.