Patents by Inventor Min-Soo Na

Min-Soo Na 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: 11082879
    Abstract: Disclosed is technology for applying a differential QoS, that is, service quality for each communication service by implementing a differential QoS control in a radio section in a more detailed unit without an increase in complexity and load compared to a conventional bearer-based QoS control method.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: August 3, 2021
    Assignee: SK TELECOM CO., LTD.
    Inventors: Min Soo Na, Chang Soon Choi
  • Publication number: 20210227426
    Abstract: To consider a structure in which a radio module of a separate base station is extended/designed to have upper layer processing functions, as well as an RF processing function, the present invention defines a new fronthaul interface to reduce the fronthaul capacity required for transmitting data and a signal by a radio module in a separate base station.
    Type: Application
    Filed: January 10, 2018
    Publication date: July 22, 2021
    Inventors: Min Soo NA, Gi Wan CHOI, Chang Soon CHOI
  • Patent number: 11071075
    Abstract: The present invention relates to a technique of improving, when performing synchronization between a transmitting device and a receiving device communicating on the basis of a beamforming technique, an overall beamforming synchronization performance by enabling fast beam tracking in a receiving device.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: July 20, 2021
    Assignee: SK TELECOM CO., LTD.
    Inventors: Chang Soon Choi, Min Soo Na
  • Patent number: 10903946
    Abstract: A base station device of blanking a radio resource, includes: a base station selecting circuit to select a specific adjacent base station for coordinated multi-point (CoMP) transmission and reception; a CoMP transmission and reception control circuit to blank out the radio resource which is allocated equally as the radio resource, which is allocated by the specific adjacent base station for a terminal which receives the CoMP transmission and reception from the base station device and the specific adjacent base station; and a resource allocation information sharing circuit to share resource allocation information, which represents that the radio resource is blanked out, with other adjacent base stations except for the specific adjacent base station, such that the other adjacent base stations are capable of using the resource allocation information.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: January 26, 2021
    Assignees: SK TELECOM CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Min Soo Na, Tak Ki Yu, Young Lak Kim, Sung Ho Moon, Tae Guen Kim, Dae Sik Hong, Han Ho Wang, Yo Seop Park
  • Publication number: 20200337113
    Abstract: Disclosure is a BS apparatus and a method of transmitting a data packet capable of supporting smooth transmission of a data packet by defining a new fronthaul interface considering a structure of expanding/designing processing functions of a radio module of a 5G split BS including not only an RF processing function but also a processing function on a higher layer.
    Type: Application
    Filed: January 12, 2018
    Publication date: October 22, 2020
    Inventors: Min Soo NA, Gi Wan CHOI, Chang Soon CHOI
  • Publication number: 20200280901
    Abstract: The present invention relates to a terminal device and a method by which a terminal device switches a data transmission path, the terminal device being capable of switching a data transmission path by determining by itself whether the data transmission path for transmission of user plane data is switched without a link, among core configurations of respective networks in a mutual interworking environment among heterogeneous networks.
    Type: Application
    Filed: January 12, 2018
    Publication date: September 3, 2020
    Inventor: Min Soo NA
  • Patent number: 10764767
    Abstract: Disclosed is a cell control device and method that can improve data processing capacity and speed of each cell by removing inter-cell interference due to transmission of system information blocks (SIB), which are transmitted in a broadcast manner from cells by reducing the number of times of transmission of the system information blocks or removing the system information blocks in a wireless environment including a plurality of small cells in a macrocell.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: September 1, 2020
    Assignee: SK TELECOM CO., LTD.
    Inventors: Min Soo Na, Chang Soon Choi
  • Patent number: 10750379
    Abstract: A base station device includes: a signal receiving unit to receive a downlink signal, which is transmitted from an adjacent base station over a downlink frequency band of a frame for the adjacent base station, over an uplink frequency band of a silent inverted frame during a first time interval, during which the base station device uses the silence inverted frame; a measuring unit to measure a channel environment with the adjacent base station based on the downlink signal from the adjacent base station; and an interference removing unit configured to remove the signal interference induced from the adjacent base station by removing the downlink signal received from the adjacent base station over a uplink frequency band of the base station device during a second time interval based on the channel environment with the adjacent base station.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: August 18, 2020
    Assignees: SK Telecom Co., LTD., Industry—Academic Cooperation Foundation Yonsei University
    Inventors: Min Soo Na, Young Lak Kim, Tak Ki Yu, Sung Ho Moon, Tae Guen Kim, Yo Seop Park, Dae Sik Hong, Han Ho Wang
  • Publication number: 20200221419
    Abstract: Disclosed is a technology for improving paging efficiency in a communication system by implementing a new paging method (scheme) of minimizing signaling load of a radio section and accurately and rapidly performing paging without performance deterioration when paging is performed in a MIMO communication system.
    Type: Application
    Filed: January 10, 2018
    Publication date: July 9, 2020
    Inventor: Min Soo NA
  • Publication number: 20200204238
    Abstract: The present disclosure proposes a base station device, a terminal, and a method for allocating a wireless channel in which a base station device receives two or more channel state information from each of terminals in a cell in a wireless environment that overlappingly allocates the same wireless channel (frequency and time resources) in the same cell, so it is possible to perform redundant physical downlink allocation transmission based on the same precoding, whereby it is possible to improve wireless efficiency and cell capacitance.
    Type: Application
    Filed: May 20, 2016
    Publication date: June 25, 2020
    Inventors: Min Soo NA, Chang Soon CHOI
  • Publication number: 20200128443
    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: Application
    Filed: January 15, 2018
    Publication date: April 23, 2020
    Inventors: Min Soo NA, Chang Soon CHOI
  • Patent number: 10491259
    Abstract: Disclosed is a terminal device that is capable of taking an advantage of increasing transmission capacity in the FD transmission as much as possible by selectively using the FD transmission or the HD transmission in a multi-cell communication environment in consideration of a relationship with other neighboring nodes (base stations and terminals). Also disclosed is a method of operating the terminal device.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: November 26, 2019
    Assignees: SK TELECOM CO., LTD., FOUNDATION YONSEI UNIVERSITY
    Inventors: Min Soo Na, Tak Ki Yu, Dae Sik Hong, Han Ho Wang, Kwon Jong Lee
  • Publication number: 20190342784
    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: Application
    Filed: April 4, 2018
    Publication date: November 7, 2019
    Inventors: Min Soo NA, Chang Soon CHOI
  • Patent number: 10447421
    Abstract: The present disclosure provides a fronthaul control device which can adjust a center wavelength of an optical signal to changeably control allocation of an optical wavelength band; an operating method of the fronthaul control device; a program for controlling allocation of an optical wavelength band; and a computer-readable recording medium in which the program is recorded.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: October 15, 2019
    Assignee: SK TELECOM CO., LTD.
    Inventors: Chang Soon Choi, Min Soo Na
  • Patent number: 10425823
    Abstract: The present invention suggests a cell management apparatus and a method for operating a cell management apparatus, capable of harmoniously satisfying effects of improving intercell interference and enhancing operation efficiency of radio resources in managing virtual cells, particularly in managing virtual cells in a heterogeneous network environment in which cells having different sizes coexist.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: September 24, 2019
    Assignees: SK TELECOM CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Tak Ki Yu, Young Lak Kim, Sung Ho Moon, Tae Guen Kim, Min Soo Na, Soo Yong Choi, Tae Hyung Kim, Kyung Sik Min
  • Patent number: 10420115
    Abstract: A Base Station (BS) device includes: a signal reception quality value identification unit configured to identify, at every preset identification period, a signal reception quality value in an uplink interference-free environment measured for each terminal in a part of radio resource of Full Duplex (FD) transmission radio resources for transmitting only downlink signals; a terminal identification unit configured to identify a particular terminal experiencing uplink interference due to Full Duplex (FD) transmission among terminals using the FD transmission when a value of the uplink interference caused to the particular terminal is larger than or equal to a preset threshold value; a selection unit configured to select an interfering terminal that causes the uplink interference to the particular terminal; and a controller configured to control the FD transmission radio resources allocated to the interfering terminal to reduce the uplink interference which caused to the particular terminal.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: September 17, 2019
    Assignee: SK TELECOM CO., LTD.
    Inventor: Min Soo Na
  • Publication number: 20190274063
    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: Application
    Filed: April 4, 2018
    Publication date: September 5, 2019
    Inventors: Min Soo NA, Chang Soon CHOI
  • Patent number: 10405321
    Abstract: A cell control device achieves optimal interference control taking into account a different between the DL interference strength and the UL interference strength by an adjacent cell by way of controlling cells based on D-TDD in a network environment where a number of cells employing TDD coexist. A method of operating a cell control device is also disclosed.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: September 3, 2019
    Assignee: SK TELECOM CO., LTD.
    Inventors: Min Soo Na, Young Lak Kim, Tak Ki Yu, Sung Ho Moon, Dae Sik Hong, Han Ho Wang, Kwon Jong Lee
  • Publication number: 20190150022
    Abstract: Disclosed is technology for applying a differential QoS, that is, service quality for each communication service by implementing a differential QoS control in a radio section in a more detailed unit without an increase in complexity and load compared to a conventional bearer-based QoS control method.
    Type: Application
    Filed: January 4, 2019
    Publication date: May 16, 2019
    Inventors: Min Soo NA, Chang Soon CHOI
  • Publication number: 20190132100
    Abstract: Disclosed is technology for supporting high-speed and low-latency performance in a 5G environment through implementation of a new reference signal transmission scheme appropriate for the 5G environment, that is, a mobile communication network environment for supporting high-speed and low-latency communication, which will appear afterwards.
    Type: Application
    Filed: May 16, 2017
    Publication date: May 2, 2019
    Inventors: Min Soo NA, Seung Young BAN, Chang Soon CHOI