公开(公告)号：US10659196B2

公开(公告)日：2020-05-19

申请号：US16153670

申请日：2018-10-05

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

Inventor： Juhyung Son ,  Jinsam Kwak ,  Geonjung Ko ,  Woojin Ahn

IPC: H04L1/16 ,  H04W84/12 ,  H04L5/00 ,  H04L1/00 ,  H04L1/18 ,  H04L29/06 ,  H04W72/12 ,  H04L1/06 ,  H04L29/08

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 Downlink Multi-User (DL MU) PPDU including information for an Uplink Multi-User (UL MU) transmission from a base wireless communication terminal by using the transceiver, and transmit the UL MU PPDU to the base wireless communication terminal based on the information for UL MU transmission.

公开(公告)号：US10477589B2

公开(公告)日：2019-11-12

申请号：US15676985

申请日：2017-08-14

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

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

IPC: H04W74/08 ,  H04W84/12 ,  H04W72/04 ,  H04W52/02 ,  H04W28/02

Abstract: The present invention relates to a wireless communication terminal and a wireless communication method for efficiently scheduling simultaneous uplink transmissions of a plurality of terminals.To this end, provided are a wireless communication terminal, the terminal including: a transceiver; and a processor, wherein the processor receives, through the transceiver, a trigger frame transmitted by a base wireless communication terminal, and performs a multi-user uplink transmission based on the received trigger frame, wherein the trigger frame includes a predetermined field indicating whether an additional trigger frame is present or not, and a wireless communication method using the same.

公开(公告)号：US12232034B2

公开(公告)日：2025-02-18

申请号：US17702779

申请日：2022-03-23

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Juhyung Son ,  Jinsam Kwak ,  Geonjung Ko ,  Woojin Ahn

IPC: H04W52/02 ,  H04W84/12

Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a wireless LAN (WLAN) transceiver configured to transmit and receive a WLAN signal; and a wake-up radio (WUR) receiver configured to receive a WUR signal. The WUR receiver is configured to receive a wake-up packet from a base wireless communication terminal and wakes-up the WLAN transceiver. A part of the WUR signal is transmitted by a modulation method different from a modulation method of the WLAN signal.

公开(公告)号：US12192981B2

公开(公告)日：2025-01-07

申请号：US18372121

申请日：2023-09-24

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

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

IPC: H04W72/12 ,  H04W52/02 ,  H04W74/0816 ,  H04W84/12

Abstract: Provided is a wireless communication terminal. The wireless communication terminal includes: a transceiver configured for transmitting/receiving a wireless signal; and a processor configured for controlling an operation of the wireless communication terminal. The transceiver receives a first frame indicating that there is data to be transmitted from a base wireless communication terminal to a plurality of wireless communication terminals including the wireless communication terminal and receives data based on the first frame. The base wireless communication terminal is any one wireless communication terminal different from the plurality of wireless communication terminals.

公开(公告)号：US12166587B2

公开(公告)日：2024-12-10

申请号：US18209079

申请日：2023-06-13

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

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

IPC: H04L1/1607 ,  H04W72/121 ,  H04W72/21 ,  H04W72/542 ,  H04W74/0833

Abstract: The present invention relates to a wireless communication terminal and a wireless communication method for efficiently managing simultaneous data transmissions of a plurality of terminals.
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 base wireless communication terminal, wherein the processor is configured to: transmit a trigger frame triggering a multi-user uplink transmission of a plurality of terminals, receive multi-user uplink data through resources allocated to the plurality of terminals, and transmit a block ACK through the resources in response to the received multi-user uplink data, wherein the transmission of the block ACK in each resource is terminated at the same time, and a wireless communication method using the same.

公开(公告)号：US12155467B2

公开(公告)日：2024-11-26

申请号：US18219641

申请日：2023-07-07

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Woojin Ahn ,  Juhyung Son ,  Geonjung Ko ,  Jinsam Kwak

IPC: H04W80/02 ,  H04L1/00 ,  H04L1/1607 ,  H04W72/0446 ,  H04W72/542

Abstract: The present invention relates to a method for transmitting an aggregate MPDU and a response frame thereto and a wireless communication terminal using the same, and more particularly, to a wireless communication method and a wireless communication terminal for setting various formats of the aggregate MPDU and the response frame thereto and performing an efficient data communication by using the same. To this end, provided are a wireless communication terminal including: a processor; and a communication unit, wherein the processor receives an aggregate MPDU (A-MPDU) consisting of one or more MAC protocol data units (MPDUs), determines a format of a response frame for the received A-MPDU, and transmits a response frame of the determined format, wherein the format of the response frame for the A-MPDU is determined based on at least one of the number of traffic IDs (TIDs) soliciting an immediate response in MPDU(s) successfully received in the A-MPDU and MPDU delimiter information of the A-MPDU and a wireless communication method using the same.

公开(公告)号：US12143919B2

公开(公告)日：2024-11-12

申请号：US18199370

申请日：2023-05-19

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

Inventor： Geonjung Ko ,  Juhyung Son ,  Jinsam Kwak ,  Woojin Ahn

IPC: H04W48/08 ,  H04L12/46 ,  H04W48/12 ,  H04W48/16 ,  H04W48/20 ,  H04W74/00 ,  H04W74/08 ,  H04W84/12 ,  H04W88/08 ,  H04W74/0808

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.

公开(公告)号：US12052696B2

公开(公告)日：2024-07-30

申请号：US18130905

申请日：2023-04-05

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

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

IPC: H04W72/0446 ,  H04W74/08 ,  H04W84/12 ,  H04W72/23

CPC classification number: H04W72/0446 ,  H04W74/08 ,  H04W84/12 ,  H04W72/23

Abstract: Provided is a wireless communication terminal including a transceiver for transmitting/receiving a wireless signal and a processor for controlling an operation of the wireless communication terminal. The transceiver receives a first frame indicating information on a resource that a base wireless communication terminal allocates to a plurality of wireless communication terminals from the base wireless communication terminal, and transmits data to the base wireless communication terminal based on the first frame. The plurality of wireless communication terminals include the wireless communication terminal.

公开(公告)号：US12041545B2

公开(公告)日：2024-07-16

申请号：US18108016

申请日：2023-02-10

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Woojin Ahn ,  Juhyung Son ,  Jinsam Kwak

IPC: H04W52/02 ,  H04W84/12

CPC classification number: H04W52/0229 ,  H04W52/0216 ,  H04W52/0222 ,  H04W52/0235 ,  H04W84/12

Abstract: Disclosed is a wireless communication terminal communicating wirelessly including a first wireless transceiver configured to transmit and receive signals through a first waveform, a second wireless receiver configured to receive a signal through a second waveform different from the first waveform, and a processor. The processor receives an acceptance frame for accepting a request for wake-up radio (WUR) mode entry in which the wireless communication terminal operates based on a signal transmitted through the second waveform from a base wireless communication terminal, through the first wireless transceiver, stops an operation of the wireless communication terminal related to a service period based on the acceptance frame.

公开(公告)号：US11824630B2

公开(公告)日：2023-11-21

申请号：US17981381

申请日：2022-11-04

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

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

IPC: H04B1/707 ,  H04J13/00 ,  H04W74/00 ,  H04W74/08 ,  H04W84/12 ,  H04W72/27

CPC classification number: H04J13/004 ,  H04B1/707 ,  H04W74/006 ,  H04W74/0866 ,  H04W84/12 ,  H04W72/27 ,  H04W74/0808

Abstract: Disclosed is a wireless communication terminal. The wireless communication terminal includes a transceiver transmitting/receiving a wireless signal; and a processor controlling an operation of the wireless communication terminal. The transceiver receives a first frame including information on a manner for accessing, by a plurality of wireless communication terminals including the wireless communication terminal, a base wireless communication terminal. The processor acquires a manner for accessing the base wireless communication terminal on a basis of the first frame. The transceiver accesses the base communication terminal on a basis of the manner for accessing the base wireless communication terminal. The base wireless communication terminal is any one communication terminal different from the plurality of wireless communication terminals.