Patents Assigned to SK Telecom Co., Ltd.
  • Patent number: 11778238
    Abstract: Disclosed is a method and apparatus for encoding/decoding a video. According to an embodiment, provided is a method of setting a level for each of one or more regions, including decoding a definition syntax element related to level definition and a designation syntax element related to target designation from a bitstream; defining one or more levels based on the definition syntax element; and setting a target level designated by the designation syntax element among the defined levels for a target region designated by the designation syntax element.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: October 3, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Jae Seob Shin, Sun Young Lee, Se Hoon Son, Tae Young Na, Jae Il Kim
  • Patent number: 11778504
    Abstract: Disclosed is a technology for resolving the problems of the conventional 5G ULCL function and efficiently supporting requirements/performance of the URLLC service supported by 5G as the terminal implements a new technology, that is, ULCL of the terminal capable of controlling steering of the transmission path of its own traffic.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: October 3, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventor: Dong Jin Lee
  • Patent number: 11777693
    Abstract: The present invention relates to a signaling method of a wireless LAN frame for multi-user transmission, and to a wireless communication terminal, and a wireless communication method using the same. To this end, provided are a wireless communication terminal, including: a transceiver; and a processor, wherein the processor is configured to: generate a frame including a first signal field and a second signal field, wherein the first signal field includes a bandwidth field indicating total bandwidth information in which the frame is transmitted, and the second signal field includes a resource allocation field indicating arrangement information of resource unit(s) in a frequency band through which the frame is transmitted, and transmit, by the transceiver, the generated frame and a wireless communication method using the same.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: October 3, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Patent number: 11778239
    Abstract: Disclosed is a method and apparatus for encoding/decoding a video. According to an embodiment, provided is a method of setting a level for each of one or more regions, including decoding a definition syntax element related to level definition and a designation syntax element related to target designation from a bitstream; defining one or more levels based on the definition syntax element; and setting a target level designated by the designation syntax element among the defined levels for a target region designated by the designation syntax element.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: October 3, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Jae Seob Shin, Sun Young Lee, Se Hoon Son, Tae Young Na, Jae Il Kim
  • Patent number: 11764896
    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.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: September 19, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Geonjung Ko, Jinsam Kwak
  • Patent number: 11765768
    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: May 12, 2022
    Date of Patent: September 19, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Juhyung Son, Woojin Ahn, Jinsam Kwak
  • Patent number: 11743943
    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.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: August 29, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Juhyung Son, Jinsam Kwak, Woojin Ahn
  • Patent number: 11743734
    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.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: August 29, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Juhyung Son, Jinsam Kwak, Woojin Ahn
  • Patent number: 11743756
    Abstract: Disclosed is technology for applying a more differential QoS, that is, service quality to each communication service by implementing a differential QoS control in a radio section more precisely without any increase in complexity and load compared to a conventional bearer based QoS control method.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: August 29, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventors: Min Soo Na, Chang Soon Choi
  • Patent number: 11743873
    Abstract: Provided is a wireless communication terminal. The processor is configured to receive, from a base wireless communication terminal through the transceiver, a first frame including first information indicating a duration required for a pending frame exchange sequence and second information indicating a frequency band which is allocated for transmission of a second frame, wherein the pending frame exchange sequence is a transmission sequence between one or more wireless communication terminals, set a network allocation vector (NAV) according to the first information indicating the duration for the pending frame exchange sequence, and reset the NAV when the wireless communication terminal does not receive a PLCP Protocol Data Unit (PPDU) for a reference time from a time point at which the first frame is received.
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: August 29, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Jinsoo Ahn, Yongho Kim, Jinsam Kwak, Juhyung Son
  • Patent number: 11736328
    Abstract: A wireless communication terminal is disclosed. 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 obtains a signaling field from a physical frame including data to be transmitted from a base wireless communication terminal to each of a plurality of wireless communication terminals including the wireless communication terminal, and receives, from the physical frame based on the signaling field, the data having been transmitted from the base wireless communication terminal to the wireless communication terminal. The signaling field signals information about the plurality of wireless communication terminals. The base wireless communication terminal is any one wireless communication terminal different from the plurality of wireless communication terminals.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: August 22, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Patent number: 11737152
    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.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: August 22, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Geonjung Ko, Jinsam Kwak
  • Patent number: 11736260
    Abstract: The present invention relates to a signaling method of a wireless LAN frame for multi-user transmission, and to a wireless communication terminal, and a wireless communication method using the same. To this end, provided are a wireless communication terminal, including: a transceiver; and a processor, wherein the processor is configured to: generate a frame including a first signal field and a second signal field, wherein the first signal field includes a bandwidth field indicating total bandwidth information in which the frame is transmitted, and the second signal field includes a resource allocation field indicating arrangement information of resource unit(s) in a frequency band through which the frame is transmitted, and transmit, by the transceiver, the generated frame and a wireless communication method using the same.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: August 22, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Patent number: 11737079
    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.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: August 22, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Yongho Kim, Jinsam Kwak, Juhyung Son
  • Patent number: 11736691
    Abstract: Disclosed herein is video encoding or decoding for efficiently encoding video. The techniques of the present disclosure are related to various split shapes of a block, syntaxes representing various split types of blocks, and syntax elements represented at a high level therefor.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: August 22, 2023
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Sun-young Lee, Hyeong-duck Kim, Hyo Song Kim, Se-hoon Son, Jae-seob Shin, Gyeong-taek Lee
  • Patent number: 11728921
    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.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: August 15, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Geonjung Ko, Jinsam Kwak
  • Patent number: 11729821
    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: May 12, 2022
    Date of Patent: August 15, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Juhyung Son, Woojin Ahn, Jinsam Kwak
  • Patent number: 11722277
    Abstract: A wireless communication terminal is disclosed. The wireless communication terminal includes a transceiver configured to transmit/receive a wireless signal; and a processor configured to control an operation of the wireless communication terminal. The transceiver transmits a training signal to a base wireless communication terminal based on a sub-frequency band allocated from the base wireless communication terminal, and transmits data to the base wireless communication terminal through the sub-frequency band allocated from the base wireless communication terminal. The training signal is used, by the base wireless communication terminal, for receiving the data from the wireless communication terminal.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: August 8, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Patent number: 11717826
    Abstract: The present disclosure relates to a nucleic acid analysis apparatus using a cartridge which can simplify the nucleic acid extraction and applicable to a molecular diagnostic POCT equipment. The nucleic acid analysis device includes a stage on which a cartridge is mountable, a nucleic acid extraction unit, and a control unit. The nucleic acid extraction unit performs a nucleic acid extraction through crushing of the sample, the cell disruption, and the nucleic acid purification as well as a nucleic acid amplification. The control unit controls the stage and the nucleic acid extraction unit so that the nucleic acid extraction through the crushing of the sample, the cell disruption, and the nucleic acid purification as well as the nucleic acid amplification are collectively performed.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: August 8, 2023
    Assignee: SK Telecom Co., Ltd.
    Inventors: Chin Sung Park, Jin Seok Kang, Jong Sun Kim, Jun Hong Min, Jeong Jin Choi
  • Patent number: 11716125
    Abstract: The present invention relates to a wireless communication method and a wireless communication terminal for signaling a multi-user packet. More specifically, provided are a wireless communication terminal including a communication unit; and a processor configured to process signals transmitted and received through the communication unit, wherein the processor receives, through the communication unit, a high efficiency multi-user PHY protocol data unit (HE MU PPDU), wherein a preamble of the HE MU PPDU includes high efficiency signal A field (HE-SIG-A) and high efficiency signal B field (HE-SIG-B), and decodes the received HE MU PPDU based on information obtained from the HE-SIG-A, wherein a configuration of the HE-SIG-B is identified based on information obtained from at least one subfield of the HE-SIG-A and a wireless communication method using the same.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: August 1, 2023
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Juhyung Son, Jinsam Kwak, Geonjung Ko, Woojin Ahn