公开(公告)号：US11330640B2

公开(公告)日：2022-05-10

申请号：US16844804

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: H04W4/00 ,  H04W74/08 ,  H04B7/0417 ,  H04B7/06 ,  H04W84/12

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：US11324039B2

公开(公告)日：2022-05-03

申请号：US16813675

申请日：2020-03-09

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

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

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

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：US11284411B2

公开(公告)日：2022-03-22

申请号：US16994629

申请日：2020-08-16

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

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

IPC: H04W72/12 ,  H04W74/08 ,  H04W52/02 ,  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：US20210368422A1

公开(公告)日：2021-11-25

申请号：US17395384

申请日：2021-08-05

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

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

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

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 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：US11153916B2

公开(公告)日：2021-10-19

申请号：US16851108

申请日：2020-04-17

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

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

IPC: H04W74/08 ,  H04L27/00 ,  H04L5/00 ,  H04W72/12 ,  H04L1/18 ,  H04L1/00 ,  H04W28/26 ,  H04W74/00 ,  H04L27/26 ,  H04W72/04

Abstract: The present invention relates to a wireless communication terminal and a wireless communication method for efficiently scheduling multi-user uplink transmission.
To this end, provided are a wireless communication terminal, including: a transceiver; and a processor, wherein the processor is configured to: receive, by the transceiver, a trigger frame that triggers a multi-user uplink transmission, perform a multi-user uplink transmission in response to the received trigger frame, and receive, by the transceiver, an ACK for the multi-user uplink transmission, wherein when the multi-user uplink transmission is performed on a resource unit in which a temporary association identifier (AID) is assigned by the received trigger frame, the processor obtains ACK information for the terminal from the ACK for the multi-user uplink transmission based on the temporary AID and a wireless communication method using the same.

公开(公告)号：US11129163B2

公开(公告)日：2021-09-21

申请号：US16121546

申请日：2018-09-04

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

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

IPC: H04W72/04 ,  H04W48/18 ,  H04W74/00 ,  H04W88/06 ,  H04W24/02 ,  H04W84/12

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：US11116035B2

公开(公告)日：2021-09-07

申请号：US16294883

申请日：2019-03-06

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

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

IPC: H04W80/02 ,  H04W74/00 ,  H04W84/12 ,  H04W74/08 ,  H04L5/00 ,  H04W28/02 ,  H04W40/24 ,  H04W72/04

Abstract: Provided is a wireless communication terminal that communicates wirelessly. The wireless communication terminal includes a transceiver and a processor for processing a radio signal received through the transceiver or a radio signal to be transmitted through the transceiver. The processor accesses a channel according to according to a priority of data to be transmitted to the base communication terminal by the wireless communication terminal.

公开(公告)号：US11006434B2

公开(公告)日：2021-05-11

申请号：US16752616

申请日：2020-01-25

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 ,  H04W74/00

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：US10931396B2

公开(公告)日：2021-02-23

申请号：US16449132

申请日：2019-06-21

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

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

IPC: H04L12/28 ,  H04L1/00 ,  H04L1/16 ,  H04W72/04 ,  H04W72/12 ,  H04W80/02

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：US10917189B2

公开(公告)日：2021-02-09

申请号：US15506235

申请日：2015-08-28

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

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

IPC: H04J13/00 ,  H04B1/707 ,  H04W74/08 ,  H04W84/12 ,  H04W74/00 ,  H04W72/04

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.