公开(公告)号：US11800565B2

公开(公告)日：2023-10-24

申请号：US17588433

申请日：2022-01-31

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

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

IPC: H04W74/08 ,  H04L1/16 ,  H04W74/00 ,  H04W72/21 ,  H04W84/12 ,  H04W74/04

CPC classification number: H04W74/0833 ,  H04L1/16 ,  H04W72/21 ,  H04W74/006 ,  H04W74/04 ,  H04W84/12

Abstract: The present invention relates to a wireless communication method for simultaneous data transmission and a wireless communication terminal using the same, and more particularly, a wireless communication method in which a plurality of terminals simultaneously transmit data for improving a data throughput in a high density environment, and a wireless communication terminal using the same. To this end, the present invention provides a wireless communication method for a terminal including transmitting a trigger frame indicating simultaneous uplink data transmission of multi-users, receiving uplink data transmitted by a plurality of terminals in response to the trigger frame, and transmitting a block acknowledgement for the plurality of terminals having transmitted the uplink data, and a wireless communication terminal using the same.

公开(公告)号：US11800510B2

公开(公告)日：2023-10-24

申请号：US17938934

申请日：2022-09-07

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

CPC classification number: H04W72/12 ,  H04W52/0225 ,  H04W74/0816 ,  H04W84/12 ,  Y02D30/70

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：US11765768B2

公开(公告)日：2023-09-19

申请号：US17742406

申请日：2022-05-12

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

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

IPC: H04W28/06 ,  H04W84/12 ,  H04W72/0446 ,  H04W74/00 ,  H04W72/51 ,  H04W74/08 ,  H04L5/00 ,  H04L27/26 ,  H04L1/00 ,  H04L1/16

CPC classification number: H04W74/08 ,  H04L1/00 ,  H04L1/16 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2603 ,  H04L27/2666 ,  H04W28/06 ,  H04W72/0446 ,  H04W72/51 ,  H04W74/00 ,  H04W74/0858 ,  H04W84/12 ,  H04L5/0048 ,  H04L27/26025

Abstract: Provided is a wireless communication terminal that wirelessly communicates with a base wireless communication terminal. The wireless communication terminal includes a transceiver, and a processor. The processor is configured to set an integer selected from a range of 0 to a value equal to or smaller than an OFDMA Contention Window (OCW) as a counter for random access, receive a trigger frame for triggering random access using one or more resource units (RUs) allocated for the random access from the base wireless communication terminal using the transceiver, decrement a value of the counter based on the one or more RUs allocated for the random access, randomly select one RU based on the one or more RUs allocated for the random access when the value of the counter is 0 or reaches 0, and attempt transmission to the base wireless communication terminal using the selected RU.

公开(公告)号：US11764896B2

公开(公告)日：2023-09-19

申请号：US17157996

申请日：2021-01-25

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

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

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

CPC classification number: H04L1/0008 ,  H04L1/1614 ,  H04L1/1621 ,  H04W72/0446 ,  H04W72/542 ,  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：US11737152B2

公开(公告)日：2023-08-22

申请号：US17700490

申请日：2022-03-22

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

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

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

CPC classification number: H04W74/0866 ,  H04B7/0417 ,  H04B7/0617 ,  H04B7/0632 ,  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：US11737079B2

公开(公告)日：2023-08-22

申请号：US17744600

申请日：2022-05-13

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 ,  H04W84/12 ,  H04W74/00 ,  H04W72/21

CPC classification number: H04W72/12 ,  H04W72/21 ,  H04W74/08 ,  H04W84/12 ,  H04W74/004

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：US11700546B2

公开(公告)日：2023-07-11

申请号：US16928754

申请日：2020-07-14

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 ,  H04W28/14 ,  H04W28/02 ,  H04W74/00 ,  H04W76/11 ,  H04W74/08 ,  H04W84/12

CPC classification number: H04W28/06 ,  H04W28/02 ,  H04W28/14 ,  H04W74/006 ,  H04W76/11 ,  H04W74/0816 ,  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 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：US11683719B2

公开(公告)日：2023-06-20

申请号：US17549874

申请日：2021-12-14

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

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

IPC: H04W28/04 ,  H04W28/06 ,  H04L1/1607 ,  H04L1/1867 ,  H04W28/02 ,  H04L1/1829 ,  H04W80/02 ,  H04L47/24

CPC classification number: H04W28/04 ,  H04L1/1614 ,  H04L1/1635 ,  H04L1/1864 ,  H04L1/1896 ,  H04W28/0205 ,  H04W28/06 ,  H04W28/065 ,  H04W80/02 ,  H04L47/24

Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The processor is configured to transmit first information on a fragmentation level to be used for data to be transmitted to a recipient by using the transceiver in an add Block ACK (ADDBA) setup procedure.

公开(公告)号：US11653348B2

公开(公告)日：2023-05-16

申请号：US17069863

申请日：2020-10-14

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

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

IPC: H04W4/00 ,  H04W72/121 ,  H04W84/12 ,  H04W74/04 ,  H04L5/00 ,  H04L1/1867 ,  H04L1/00 ,  H04W76/18 ,  H04W56/00 ,  H04W72/04 ,  H04W72/0446 ,  H04W72/1268 ,  H04W74/08

CPC classification number: H04W72/121 ,  H04L1/00 ,  H04L1/1867 ,  H04L5/0053 ,  H04L5/0094 ,  H04W56/0005 ,  H04W72/0413 ,  H04W72/0446 ,  H04W72/1268 ,  H04W74/04 ,  H04W76/18 ,  H04W84/12 ,  H04W74/0808

Abstract: The present invention relates to a wireless communication method for uplink multi-user transmission scheduling and a wireless communication terminal using the same. To this end, provided are a base wireless communication terminal comprising a processor and a transceiver, wherein the processor transmits a trigger frame soliciting an uplink multi-user transmission, determines whether the uplink multi-user transmission is successful based on received uplink multi-user data in response to the trigger frame, and retransmits the trigger frame when it is determined that the uplink multi-user transmission has failed and a wireless communication method using the same.

公开(公告)号：US11515958B2

公开(公告)日：2022-11-29

申请号：US17138898

申请日：2020-12-31

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 ,  H04W72/04

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.