公开(公告)号：US20250113386A1

公开(公告)日：2025-04-03

申请号：US18977941

申请日：2024-12-12

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

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

IPC: H04W74/0833 ,  H04L1/16 ,  H04W72/21 ,  H04W74/00 ,  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：US20250039892A1

公开(公告)日：2025-01-30

申请号：US18918105

申请日：2024-10-17

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

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

IPC: H04W72/23 ,  H04L1/00 ,  H04L5/00 ,  H04L27/26 ,  H04L65/40 ,  H04W52/02 ,  H04W72/0453 ,  H04W74/00 ,  H04W74/08 ,  H04W84/12

Abstract: The present invention relates to a wireless communication method and a wireless communication terminal using a non-contiguous channel. To this end, provided are a wireless communication terminal including a processor and a transceiver, wherein the processor receives a wireless packet through the communication unit, obtains total bandwidth information indicated via a bandwidth field of HE-SIG-A of the received packet, obtains information of an unassigned resource unit via at least one of the bandwidth field of the HE-SIG-A and a subfield of HE-SIG-B of the received packet, and decodes the received packet based on the total bandwidth information and the information of the unassigned resource unit and a wireless communication method using the same.

公开(公告)号：US20250039771A1

公开(公告)日：2025-01-30

申请号：US18915336

申请日：2024-10-14

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

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

IPC: H04W48/08 ,  H04L12/46 ,  H04W48/12 ,  H04W48/16 ,  H04W48/20 ,  H04W74/00 ,  H04W74/0808 ,  H04W84/12 ,  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：US20250038891A1

公开(公告)日：2025-01-30

申请号：US18911756

申请日：2024-10-10

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：US20250038890A1

公开(公告)日：2025-01-30

申请号：US18918122

申请日：2024-10-17

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

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

IPC: H04L1/1607 ,  H04L1/00 ,  H04L1/06 ,  H04L1/1829 ,  H04L5/00 ,  H04L69/22 ,  H04L69/324 ,  H04W72/12 ,  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 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：US20240015792A1

公开(公告)日：2024-01-11

申请号：US18372125

申请日：2023-09-24

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

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

IPC: H04W74/08 ,  H04W72/02

CPC classification number: H04W74/085 ,  H04W72/02

Abstract: Provided are a wireless communication terminal including: a processor; and a communication unit, wherein the processor obtains a backoff counter for an OFDMA-based random access of the terminal, wherein the backoff counter is obtained within a range of a contention window for the uplink OFDMA-based random access, receives a trigger frame indicating an uplink multi-user transmission, when one or more resource unit(s) in which random access can be performed is indicated by the trigger frame, decrements the backoff counter based on a number of resource units(s) in which random access can be performed, and when the backoff counter is 0 or decremented to 0, performs an uplink multi-user transmission through a selected resource unit among the resource units(s) and a wireless communication method using the same.

公开(公告)号：US20230362991A1

公开(公告)日：2023-11-09

申请号：US18222427

申请日：2023-07-15

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 ,  H04W52/24 ,  H04B17/318

CPC classification number: H04W74/0808 ,  H04W84/12 ,  H04W52/243 ,  H04B17/318 ,  H04W52/245 ,  Y02D30/70

Abstract: Provided is a wireless communication terminal that communicates wirelessly. The wireless communication terminal includes: a transceiver; and a processor. The processor receives a first PLCP Protocol Data Unit (PPPU) through the transceiver, and transmits a second PPDU based on Basic Service Set (BSS) information indicated by the first PPDU.

公开(公告)号：US20230328589A1

公开(公告)日：2023-10-12

申请号：US18204944

申请日：2023-06-02

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 ,  H04W76/11 ,  H04W74/00

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

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：US20230327811A1

公开(公告)日：2023-10-12

申请号：US18209079

申请日：2023-06-13

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

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

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

CPC classification number: H04L1/1664 ,  H04L1/1614 ,  H04L1/1671 ,  H04W72/21 ,  H04W72/542 ,  H04L1/1621 ,  H04W72/121 ,  H04W74/085

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：US20230276300A1

公开(公告)日：2023-08-31

申请号：US18143315

申请日：2023-05-04

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

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.