公开(公告)号：US20210211236A1

公开(公告)日：2021-07-08

申请号：US17145670

申请日：2021-01-11

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

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

IPC: H04L1/16 ,  H04W72/04 ,  H04W72/12

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：US20200344773A1

公开(公告)日：2020-10-29

申请号：US16924199

申请日：2020-07-09

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

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

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

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 is configured to: generate an uplink packet, wherein a predetermined field of a MAC header of the uplink packet indicates information on uplink data of the terminal, and transmit the generated uplink packet to a base wireless communication terminal, and a wireless communication method using the same.

公开(公告)号：US20200236721A1

公开(公告)日：2020-07-23

申请号：US16844792

申请日：2020-04-09

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

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

IPC: H04W74/08 ,  H04B7/0417 ,  H04B7/06

Abstract: Provided is a wireless communication terminal that wirelessly communicates. the wireless communication terminal includes: a transceiver for transmitting and receiving a wireless signal; and a processor for processing the wireless signal. The processor is configured to perform a transmission based on a transmission opportunity (TXOP) limit which is a maximum value of a TXOP, which is a time interval in which a wireless communication terminal has a right to initiate a frame exchange sequence in a wireless medium.

公开(公告)号：US20200187091A1

公开(公告)日：2020-06-11

申请号：US16792166

申请日：2020-02-14

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

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

IPC: H04W48/08 ,  H04W88/08 ,  H04W48/16 ,  H04L12/46 ,  H04W74/00

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：US20190052407A1

公开(公告)日：2019-02-14

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 ,  H04L29/06 ,  H04L5/00 ,  H04L1/00

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：US20190021025A1

公开(公告)日：2019-01-17

申请号：US16125530

申请日：2018-09-07

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

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

IPC: H04W28/06 ,  H04W76/11

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 trigger frame for triggering that a frame for setting a link with a wireless communication terminal, which is an AP, is transmitted through UpLink Multi User (UL MU) transmission through the transmission/reception unit. The processor transmits the frame for setting the link through UL MU transmission based on the trigger frame.

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：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.