Patents by Inventor Woojin AHN

Woojin AHN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12080595
    Abstract: Provided is a method of forming an interconnect structure. The method includes preparing a substrate including a first metal layer and a first insulating layer, selectively forming a carbon layer having an sp2 bonding structure on the first metal layer, selectively forming a second insulating layer on the first insulating layer, forming a third insulating layer to cover the second insulating layer, and forming a second metal layer electrically connected to the first metal layer.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: September 3, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Keunwook Shin, Sanghoon Ahn, Woojin Lee, Kyung-Eun Byun, Junghoo Shin, Hyeonjin Shin, Yunseong Lee
  • Publication number: 20240292162
    Abstract: The present disclosure discloses a method for improving an effective dynamic range including acquiring a hearing profile of a user, setting a section between a T level and a C level as a target range of a stimulation current for each of a plurality of electrodes included in an electrode array of a cochlear implant system based on the hearing profile, and mapping a plurality of current levels to an output current within the target range.
    Type: Application
    Filed: November 19, 2021
    Publication date: August 29, 2024
    Inventors: Woojin Ahn, Kyousik Min, Hoseung Lee, Minkyu Je
  • Patent number: 12063545
    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.
    Type: Grant
    Filed: May 4, 2023
    Date of Patent: August 13, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Publication number: 20240258204
    Abstract: A semiconductor device comprising: a substrate including an active region extending in a first direction; a gate structure extending in a second direction on the active region; source/drain regions on the active region and adjacent the gate structure; a backside insulating layer on a lower surface of the substrate; a vertical power structure between adjacent source/drain regions, wherein the vertical power structure extends through the substrate and the backside insulating layer and has an exposed lower surface exposed; an interlayer insulating layer on the backside insulating layer; a backside power structure that extends through the interlayer insulating layer and is connected to the vertical power structure; and a first alignment insulating layer between the backside insulating layer and the interlayer insulating layer, wherein the first alignment insulating layer has a first opening exposing the lower surface of the vertical power structure and contacts the backside power structure.
    Type: Application
    Filed: October 13, 2023
    Publication date: August 1, 2024
    Inventors: Yeonggil KIM, Hoonseok SEO, Minchul AHN, Wookyung YOU, Woojin LEE, Junghwan CHUN
  • Patent number: 12052696
    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.
    Type: Grant
    Filed: April 5, 2023
    Date of Patent: July 30, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Yongho Kim, Jinsam Kwak, Juhyung Son
  • Patent number: 12052585
    Abstract: A method for client steering in a multiple access point (AP) network is performed by a controller and comprises the steps of: receiving, from one or more APs, pieces of related information for the client steering; on the basis of the pieces of information, determining a particular candidate BSS for the client steering from among a plurality of BSSs; and transmitting a request message for the client steering to an AP operating the particular candidate BSS.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: July 30, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Asaf Zebulon, Fathan Adi Pranaya, Hwanwoong Hwang, Woojin Ahn, Juhyung Son, Jinsam Kwak
  • Patent number: 12046312
    Abstract: An eFuse one-time programmable (OTP) memory is provided. The eFuse OTP memory supports inter integrated circuit (I2C) communication, and an operation method thereof. The eFuse OTP memory includes: an eFuse intellectual property (IP) which data writes once and data reads multiple times for a plurality of addresses; and an I2C slave which communicates with an I2C master based on a serial clock line and a serial data line, and performs the data write and the data read to and from the eFuse IP.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: July 23, 2024
    Assignee: SK keyfoundry Inc.
    Inventors: Wan-Chul Kong, Woojin Han, Changbum Im, Keesik Ahn, Sungbum Park, Ilwoo Lee
  • Patent number: 12041545
    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.
    Type: Grant
    Filed: February 10, 2023
    Date of Patent: July 16, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Woojin Ahn, Juhyung Son, Jinsam Kwak
  • Patent number: 12041546
    Abstract: Disclosed is a wireless communication terminal to communicate wirelessly. The wireless communication terminal includes: a first wireless transceiver configured to transmit and receive signals modulated by a first modulation method; a second wireless receiver configured to receive a signal modulated by a second modulation method different from the first modulation method; and a processor. The processor is configured to sequentially receive a plurality of fields of a wake-up radio (WUR) frame included in a WUR physical layer processing data unit (PPDU) transmitted by the second modulation method, and when a predetermined condition for the plurality of fields is satisfied, stop receiving the WUR frame without determining whether values of the plurality of fields are valid.
    Type: Grant
    Filed: August 14, 2023
    Date of Patent: July 16, 2024
    Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
    Inventors: Woojin Ahn, Juhyung Son, Jinsam Kwak
  • Publication number: 20240236764
    Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The terminal includes a transceiver, and a processor. The processor is configured to receive an Aggregate-MAC Protocol Data Unit (A-MPDU) from an originator using the transceiver, and when receiving all MPDUs included in the A-MPDU, transmit to the originator a block ACK (BA) frame signaling that all MPDUs included in the A-MPDU are received without a bitmap indicating whether each MPDU included in the A-MPDU is received.
    Type: Application
    Filed: February 8, 2024
    Publication date: July 11, 2024
    Inventors: Woojin AHN, Juhyung SON, Jinsam KWAK, Geonjung KO
  • Patent number: 12035362
    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.
    Type: Grant
    Filed: July 7, 2023
    Date of Patent: July 9, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Juhyung Son, Woojin Ahn, Jinsam Kwak
  • Patent number: 12010762
    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.
    Type: Grant
    Filed: February 12, 2022
    Date of Patent: June 11, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Woojin Ahn, Juhyung Son, Jinsam Kwak
  • Patent number: 12004262
    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.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: June 4, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Woojin Ahn, Juhyung Son, Jinsam Kwak
  • Patent number: 11979771
    Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The terminal includes a transceiver, and a processor. The processor is configured to receive an Aggregate-MAC Protocol Data Unit (A-MPDU) from an originator using the transceiver, and when receiving all MPDUs included in the A-MPDU, transmit to the originator a block ACK (BA) frame signaling that all MPDUs included in the A-MPDU are received without a bitmap indicating whether each MPDU included in the A-MPDU is received.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: May 7, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Patent number: 11979772
    Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The terminal includes a transceiver, and a processor. The processor is configured to receive an Aggregate-MAC Protocol Data Unit (A-MPDU) from an originator using the transceiver, and when receiving all MPDUs included in the A-MPDU, transmit to the originator a block ACK (BA) frame signaling that all MPDUs included in the A-MPDU are received without a bitmap indicating whether each MPDU included in the A-MPDU is received.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: May 7, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Publication number: 20240089888
    Abstract: Disclosed is an access point, which is a registrant desiring to register with a multiple access point network. A wireless communication terminal comprises: a transmitting and receiving unit for transmitting and receiving a wireless signal; and a processor for processing the wireless signal. The processor receives a first device provisioning protocol (DPP) message from a controller of the multiple access point network when the access point is onboarding to the multiple access point network by using a DPP, obtains, from the first DPP message, information on a channel on which the DPP is performed, and transmits a second DPP message to the controller in the channel indicated by the information on the channel.
    Type: Application
    Filed: April 25, 2023
    Publication date: March 14, 2024
    Inventors: Woojin AHN, Juhyung SON, Jinsam KWAK
  • Patent number: 11930398
    Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The terminal includes a transceiver, and a processor. The processor is configured to receive an Aggregate-MAC Protocol Data Unit (A-MPDU) from an originator using the transceiver, and when receiving all MPDUs included in the A-MPDU, transmit to the originator a block ACK (BA) frame signaling that all MPDUs included in the A-MPDU are received without a bitmap indicating whether each MPDU included in the A-MPDU is received.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: March 12, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Patent number: 11924685
    Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The terminal includes a transceiver, and a processor. The processor is configured to receive an Aggregate-MAC Protocol Data Unit (A-MPDU) from an originator using the transceiver, and when receiving all MPDUs included in the A-MPDU, transmit to the originator a block ACK (BA) frame signaling that all MPDUs included in the A-MPDU are received without a bitmap indicating whether each MPDU included in the A-MPDU is received.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: March 5, 2024
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Publication number: 20240073945
    Abstract: The present invention relates 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 base wireless communication terminal including: a processor; and a communication unit, wherein the processor receives a PHY protocol data unit (PPDU) through the communication unit, determines whether the PPDU contains an intra-BSS frame or contains an inter-BSS frame based on preamble information of the PPDU, and performs either a first operation or a second operation distinct from each other according to a determination result and a wireless communication method using the same.
    Type: Application
    Filed: October 17, 2023
    Publication date: February 29, 2024
    Inventors: Geonjung KO, Juhyung SON, Woojin AHN, Jinsam KWAK
  • Publication number: 20240064865
    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.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 22, 2024
    Inventors: Woojin AHN, Juhyung SON, Geonjung KO, Jinsam KWAK