Patents Assigned to SK Telecom Co., Ltd.
  • High density environment including overlapped basic service set
    Patent number: 11330628
    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: July 30, 2020
    Date of Patent: May 10, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Juhyung Son, Jinsam Kwak, Woojin Ahn
  • High density environment including overlapped basic service set
    Patent number: 11330629
    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: July 30, 2020
    Date of Patent: May 10, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Juhyung Son, Jinsam Kwak, Woojin Ahn
  • Wireless communication method using TXOP and wireless communication terminal using same
    Patent number: 11330640
    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: April 9, 2020
    Date of Patent: May 10, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Geonjung Ko, Jinsam Kwak
  • Apparatus and method for detecting lane information, and computer-readable recording medium storing computer program programmed to execute same method
    Patent number: 11321950
    Abstract: In accordance with an aspect of the present disclosure, there is provided a method for detecting a lane information comprising: obtaining, from a high definition map, first driving lane information corresponding to estimated position information on a vehicle; obtaining second driving lane information from a front view image from the vehicle captured by a camera installed in the vehicle; converting the first driving lane information and the second driving lane information according to an identical coordinate system; and obtaining final driving lane information by combining the converted first driving lane information and the converted second driving lane information.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: May 3, 2022
    Assignee: SK TELECOM CO., LTD.
    Inventor: Seong Soo Lee
  • Wireless communication method and wireless communication terminal using basic service set identification information determination of received frame
    Patent number: 11324039
    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.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: May 3, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Juhyung Son, Jinsam Kwak, Woojin Ahn
  • Wireless communication terminal and wireless communication method for clear channel allocation
    Patent number: 11317441
    Abstract: The present invention relates to a wireless communication terminal and wireless communication method for clear channel assessment, and more particularly, to a wireless communication terminal and a wireless communication method for performing an efficient clear channel assessment for spatial reuse of a communication system.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: April 26, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Network system, network device applied thereto and operation method for network device, and operation method for network node
    Patent number: 11317470
    Abstract: Disclosed is a control function transfer technology that moves/loads a control function, contained in a network node (NF), into another NF, so that signalings among respective NFs which occur during signaling processing associated with a UE may be reduced and a delay in signaling processing with respect to the UE may be reduced.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: April 26, 2022
    Assignee: SK TELECOM CO., LTD.
    Inventor: Dong Jin Lee
  • Method for selecting packet processing function and device therefor
    Patent number: 11310677
    Abstract: The present disclosure in some embodiments relates to a method of selecting a packet processing function and an apparatus therefor, which select a packet processing device that can maximize data transmission efficiency based on state information of a communication interface formed between the packet processing device and a control plane device and thereby providing a constant high-quality network service.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: April 19, 2022
    Assignee: SK TELECOM CO., LTD.
    Inventor: Dongjin Lee
  • Rendering augmented reality image including virtual object with surface showing reflection of environment
    Patent number: 11308701
    Abstract: In accordance with an aspect of the present disclosure, there is provided a method for processing image performed by image processing device for rendering an augmented reality image. The method comprises, acquiring a first real image corresponding to a first direction from the image processing device, acquiring a second real image corresponding to a second direction, different from the first direction, from the image processing device, determining reflectivity of a surface of a virtual object in the augmented reality image; and rendering, according to the reflectivity, the surface of the virtual object by using an environment texture, the environment texture generated based on the first real image and the second real image.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: April 19, 2022
    Assignee: SK TELECOM CO., LTD.
    Inventors: Seungho Shin, Jinsoo Jeon, Gukchan Lim, Ikhwan Cho
  • Multi-user wireless communication method and wireless communication terminal using same
    Patent number: 11304094
    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.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: April 12, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Juhyung Son, Jinsam Kwak, Geonjung Ko, Yongho Kim
  • Base station, and QoS control method of wireless section
    Patent number: 11297524
    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: April 4, 2018
    Date of Patent: April 5, 2022
    Assignee: SK TELECOM CO., LTD.
    Inventors: Min Soo Na, Chang Soon Choi
  • Wireless communication method and wireless communication terminal using training signal
    Patent number: 11290233
    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: April 9, 2020
    Date of Patent: March 29, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Wireless communication method and wireless communication terminal using training signal
    Patent number: 11283570
    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: April 9, 2020
    Date of Patent: March 22, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Juhyung Son, Jinsam Kwak, Geonjung Ko
  • Wireless communication method using BSS identifier and wireless communication terminal using same
    Patent number: 11284475
    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: October 1, 2019
    Date of Patent: March 22, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Woojin Ahn, Juhyung Son, Jinsam Kwak
  • Wireless communication method and wireless communication terminal
    Patent number: 11284411
    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.
    Type: Grant
    Filed: August 16, 2020
    Date of Patent: March 22, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Yongho Kim, Jinsam Kwak, Juhyung Son
  • Wireless communication method and wireless communication terminal using basic service set identification information determination of received frame
    Patent number: 11272537
    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.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: March 8, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Geonjung Ko, Juhyung Son, Jinsam Kwak, Woojin Ahn
  • Terminal device and uplink data transmission method
    Patent number: 11272401
    Abstract: Disclosed is a technology for deriving an effect of meeting a demand of a scenario (for example, mMTC) supported by a 5G communication system and supporting service performance by implementing new uplink data transmission considering energy efficiency of a terminal and connection density of a base station.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: March 8, 2022
    Assignee: SK TELECOM CO., LTD.
    Inventors: Min Soo Na, Chang Soon Choi
  • Method and apparatus for estimating optical flow for motion compensation
    Patent number: 11272193
    Abstract: Disclosed herein is a method for adaptive bidirectional optical flow estimation for inter prediction compensation during video encoding. The method aims to reduce complexity and/or cost of bidirectional optical flow (BIO) at a pixel level or a subblock level.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: March 8, 2022
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jeong-yeon Lim, Hyo Song Kim, Se-hoon Son, Jae-seob Shin, Sun-young Lee
  • Wireless communication method for simultaneous data transmission, and wireless communication terminal using same
    Patent number: 11272549
    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.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: March 8, 2022
    Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.
    Inventors: Woojin Ahn, Yongho Kim, Juhyung Son, Jinsam Kwak
  • Apparatus and method for applying artificial neural network to image encoding or decoding
    Patent number: 11265540
    Abstract: The present disclosure relates to video encoding or decoding and, more specifically, to an apparatus and a method for applying an artificial neural network (ANN) to video encoding or decoding. The apparatus and the method of the present disclosure are characterized by applying a CNN-based filter to a first picture and at least one of a quantization parameter map and a block partition map to output a second picture.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: March 1, 2022
    Assignee: SK TELECOM CO., LTD.
    Inventors: Tae Young Na, Sun Young Lee, Jae Seob Shin, Se Hoon Son, Hyo Song Kim, Jeong Yeon Lim