Patents by Inventor Yung-soo Kim

Yung-soo Kim 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: 10419999
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method of a terminal includes acquiring frame synchronization for a serving base station in a first slot period within a first frame and searching a neighbor cell in a second slot period within a second frame.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: September 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yung-Soo Kim
  • Publication number: 20190268594
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus, and more particularly, a method and apparatus for performing filtering in video encoding and decoding. An encoding apparatus may perform filtering on a target, and may generate filtering information indicating whether filtering has been performed on the target. Further, the encoding apparatus may generate a bitstream including filtering information. A decoding apparatus may determine, based on filtering information, whether to perform filtering on a target, and may perform filtering on the target. The decoding apparatus may receive filtering information from the encoding apparatus through a bitstream or may derive filtering information using additional information.
    Type: Application
    Filed: November 28, 2017
    Publication date: August 29, 2019
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITY
    Inventors: Sung-Chang LIM, Jung-Won KANG, Hyunsuk KO, Jin-Ho LEE, Ha-Hyun LEE, Dong-San JUN, Seung-Hyun CHO, Hui-Yong KIM, Yung-Lyul LEE, Jun-Woo CHOI, Jin-Soo CHOI, Nam-Uk KIM, Myung-Jun KIM
  • Publication number: 20190254040
    Abstract: A method for mitigating interference at a small base station in a hierarchical cell structure is provided. In the method, the small base station checks a sub-frame allocated to macro user equipment by using a downlink signal received from a macro base station when an interference candidate user equipment list is received. The interference candidate user equipment list contains information on the macro user equipment adjacent to a femto cell controlled by the small base station. Then the small base station allocates other sub-frame to femto user equipment located in the femto cell by avoiding the sub-frame allocated to the macro user equipment.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Inventors: Sang Min LEE, Tak Ki YU, Yung Soo KIM
  • Patent number: 10383075
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as long term evolution (LTE). According to the present disclosure, a method for providing a connection with a radio access network via a wireless backhaul comprises determining one of a first state in which a first node connected with the radio access network is operated using all of beams and a second state in which the first node is operated using an beam of the first node determined in the first state as an operation mode of the first node and providing, by the first node, the connection with the radio access network to a radio access node in the determined operation mode.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: August 13, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yung-Soo Kim
  • Publication number: 20190215689
    Abstract: A multicell access method using beamforming in a wireless communication system is provided. In the method for operating a terminal, an access procedure for accessing a first base station using a first antenna and accessing a second base station using a second antenna is performed. Communication with the first base station is performed using the first antenna. Communication with the second base station is performed using the second antenna.
    Type: Application
    Filed: March 15, 2019
    Publication date: July 11, 2019
    Inventors: Sang-Jin KIM, Yung-Soo KIM
  • Publication number: 20190215516
    Abstract: The present invention relates to a method and apparatus for encoding and decoding a video image based on transform. The method for decoding a video includes: determining a transform mode of a current block; inverse-transforming residual data of the current block according to the transform mode of the current block; and rearranging the inverse-transformed residual data of the current block according to the transform mode of the current block, wherein the transform mode includes at least one of SDST (Shuffling Discrete Sine Transform), SDCT (Shuffling Discrete cosine Transform), DST (Discrete Sine Transform) or DCT (Discrete Cosine Transform).
    Type: Application
    Filed: June 23, 2017
    Publication date: July 11, 2019
    Applicants: Electronics and Telecommunications Research Institute, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Jin Ho LEE, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI, Yung Lyul LEE, Nam Uk KIM, Jun Woo CHOI
  • Publication number: 20190174519
    Abstract: A system and a method minimize power consumption, signalling overhead, and processing load in blind scheduling in a mobile communication system. A User Equipment (UE) detects a type of an uplink (UL) grant while it is periodically allocated the UL grant. If there is no data to transmit using the UL grant, the UE determines whether to transmit a padding Medium Access Control (MAC) Protocol Data Unit (PDU) to an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB) using the UL grant according to the type of the UL grant.
    Type: Application
    Filed: January 28, 2019
    Publication date: June 6, 2019
    Inventors: Ok-Seon Lee, Soeng-Hun Kim, Yung-Soo Kim, Kyeong-In Jeong
  • Patent number: 10278191
    Abstract: A method for mitigating interference at a small base station in a hierarchical cell structure is provided. In the method, the small base station checks a sub-frame allocated to macro user equipment by using a downlink signal received from a macro base station when an interference candidate user equipment list is received. The interference candidate user equipment list contains information on the macro user equipment adjacent to a femto cell controlled by the small base station. Then the small base station allocates other sub-frame to femto user equipment located in the femto cell by avoiding the sub-frame allocated to the macro user equipment.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: April 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Min Lee, Tak Ki Yu, Yung Soo Kim
  • Patent number: 10237735
    Abstract: A multicell access method using beamforming in a wireless communication system is provided. In the method for operating a terminal, an access procedure for accessing a first base station using a first antenna and accessing a second base station using a second antenna is performed. Communication with the first base station is performed using the first antenna. Communication with the second base station is performed using the second antenna.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: March 19, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jin Kim, Yung-Soo Kim
  • Patent number: 10194458
    Abstract: A system and a method minimize power consumption, signalling overhead, and processing load in blind scheduling in a mobile communication system. A User Equipment (UE) detects a type of an uplink (UL) grant while it is periodically allocated the UL grant. If there is no data to transmit using the UL grant, the UE determines whether to transmit a padding Medium Access Control (MAC) Protocol Data Unit (PDU) to an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (eNB) using the UL grant according to the type of the UL grant.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: January 29, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ok-Seon Lee, Soeng-Hun Kim, Yung-Soo Kim, Kyeong-In Jeong
  • Publication number: 20180351668
    Abstract: The present disclosure relates to a 5G or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4G communication system such as LTE. The present disclosure relates to a method for providing coordinated communication of a plurality of base stations, comprising the steps of: determining an interference value for each beam in a serving base station on the basis of interference signals received from neighboring base stations and transmitting the interference value for each beam to the neighboring base stations; determining a wireless resource and a beam for the coordinated communication by using the interference value for each beam and transmitting allocation information of the determined wireless resource and beam to the neighboring base stations; and determining a terminal, which will use the wireless resource and beam in a time period prior to a time period in which the coordinated communication is performed.
    Type: Application
    Filed: November 9, 2016
    Publication date: December 6, 2018
    Inventor: Yung-Soo KIM
  • Patent number: 10079630
    Abstract: A scheduling method for beamforming in a mobile communication system is provided. The scheduling method includes determining whether to transmit an aperiodic second training signal, using first feedback information for a first training signal that is periodically transmitted, the first feedback information being received from at least one Mobile Station (MS), and upon determining to transmit the second training signal, transmitting the second training signal to MSs selected using the first feedback information, and performing scheduling on DownLink (DL) data based on second feedback information for the received second training signal.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: September 18, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yung-Soo Kim
  • Patent number: 10075905
    Abstract: The present invention relates to a method and a device for cell searching by a terminal and a base station in a beamforming cellular communication system. According to an embodiment of the present invention, a method for performing cell discovery by a base station of a serving cell in a cellular communication system comprises the steps of receiving information about a beamforming capability of each of all of terminals in a cell, determining whether a cell discovery time needs to be expanded based on the received information about the beamforming capability per terminal, and transmitting group information about the cell discovery to a terminal needing the cell discovery time to be expanded.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Yung-Soo Kim
  • Patent number: 9985705
    Abstract: An apparatus and a method for generating a frame for communication using beamforming in a wireless communication system are provided. A method for transmitting a signal in a transmitting stage includes determining a beam change time of a region for transmitting information in a frame, and transmitting the information to a receiving stage over the region for transmitting the information by considering the beam change time. The frame includes a plurality of regions divided based on a type of the information transmitted to the receiving stage, and the plurality of the regions includes different beam change times.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: May 29, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yung-Soo Kim
  • Publication number: 20180124797
    Abstract: A method for mitigating interference at a small base station in a hierarchical cell structure is provided. In the method, the small base station checks a sub-frame allocated to macro user equipment by using a downlink signal received from a macro base station when an interference candidate user equipment list is received. The interference candidate user equipment list contains information on the macro user equipment adjacent to a femto cell controlled by the small base station. Then the small base station allocates other sub-frame to femto user equipment located in the femto cell by avoiding the sub-frame allocated to the macro user equipment.
    Type: Application
    Filed: December 22, 2017
    Publication date: May 3, 2018
    Inventors: Sang Min LEE, Tak Ki YU, Yung Soo KIM
  • Patent number: 9860904
    Abstract: A method for mitigating interference at a small base station in a hierarchical cell structure is provided. In the method, the small base station checks a sub-frame allocated to macro user equipment by using a downlink signal received from a macro base station when an interference candidate user equipment list is received. The interference candidate user equipment list contains information on the macro user equipment adjacent to a femto cell controlled by the small base station. Then the small base station allocates other sub-frame to femto user equipment located in the femto cell by avoiding the sub-frame allocated to the macro user equipment.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: January 2, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Min Lee, Tak Ki Yu, Yung Soo Kim
  • Patent number: 9860905
    Abstract: A method and an apparatus for providing a service in a next-generation wireless communication system are provided. The method includes transmitting, upon recognizing an initial access by a Subscriber Station (SS), resource allocation information indicating resources allocated for channel quality reports by the SS to the SS by a master Base Station (BS) serving the SS, determining at least one slave BS that serves the SS and constitutes a first cloud cell, using the channel quality reports received from the SS, and exchanging data with the SS together with the at least one slave BS.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: January 2, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Rakesh Taori, Yung-Soo Kim, Jung-Soo Jung
  • Patent number: 9736690
    Abstract: A multicell access method using beamforming in a wireless communication system is provided. In the method for operating a terminal, an access procedure for accessing a first base station using a first antenna and accessing a second base station using a second antenna is performed. Communication with the first base station is performed using the first antenna. Communication with the second base station is performed using the second antenna.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: August 15, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jin Kim, Yung-Soo Kim
  • Publication number: 20170201304
    Abstract: An apparatus and a method for generating a frame for communication using beamforming in a wireless communication system are provided. A method for transmitting a signal in a transmitting stage includes determining a beam change time of a region for transmitting information in a frame, and transmitting the information to a receiving stage over the region for transmitting the information by considering the beam change time. The frame includes a plurality of regions divided based on a type of the information transmitted to the receiving stage, and the plurality of the regions includes different beam change times.
    Type: Application
    Filed: March 27, 2017
    Publication date: July 13, 2017
    Inventor: Yung-Soo KIM
  • Publication number: 20170188282
    Abstract: A multicell access method using beamforming in a wireless communication system is provided. In the method for operating a terminal, an access procedure for accessing a first base station using a first antenna and accessing a second base station using a second antenna is performed. Communication with the first base station is performed using the first antenna. Communication with the second base station is performed using the second antenna.
    Type: Application
    Filed: March 15, 2017
    Publication date: June 29, 2017
    Inventors: Sang-Jin KIM, Yung-Soo KIM