Patents by Inventor Suck-Chel Yang

Suck-Chel Yang 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).

  • Publication number: 20190268899
    Abstract: Provided is a method and an apparatus for transmitting uplink control information by a terminal in wireless communication system. When a PUCCH resource used for transmitting only periodic CSI from a subframe, the resource is a first resource, and a resource indicated by ARI is a second resource, when a setting allows transmitting together ACK/NACK and the periodic CSI through a PUCCH from the same subframe, the first resource and the second resource are mutually exclusive, and the second resource that is used for transmitting together the ACK/NACK and the periodic CSI uses the resource indicated by the ARI from resources determined by an RRC.
    Type: Application
    Filed: May 9, 2019
    Publication date: August 29, 2019
    Inventors: Dong Youn SEO, Suck Chel Yang, Joon Kui Ahn
  • Publication number: 20190260550
    Abstract: Provided are a method and an apparatus for a user equipment, which is allocated a plurality of serving cells, receiving acknowledgement/negative acknowledgement (ACK/NACK) in a wireless communication system. The method comprises: transmitting uplink data through a physical uplink shared channel (PUSCH); and receiving ACK/NACK with respect to the uplink through a physical hybrid-ARQ indicator channel (PHICH), wherein a serving cell that receives the ACK/NACK is selected from one or more serving cells, which the user equipment monitors to detect an uplink grant that schedules the PUSCH.
    Type: Application
    Filed: May 1, 2019
    Publication date: August 22, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Dong Youn SEO, Han Byul SEO, Suck Chel YANG, Joon Kui AHN
  • Patent number: 10383158
    Abstract: A method for transmitting acknowledgement/negative-acknowledgement (ACK/NACK) information of a user equipment (UE) configured with two serving cells including a first serving cell and a second serving cell, the method including receiving two transport blocks (TBs) through a downlink subframe of the first serving cell, receiving one TB through a downlink subframe of the second serving cell and transmitting ACK/NACK information informing ACK/NACKs for the two TBs and the one TB through an uplink subframe of the first serving cell, wherein the ACK/NACK information informs the ACK/NACKs for the two TBs and the one TB by a combination of one resource selected from a plurality of candidate resources and two bits transmitted through the one resource.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: August 13, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Min Gyu Kim, Joon Kui Ahn, Suck Chel Yang
  • Patent number: 10326579
    Abstract: Provided are a method and an apparatus for a user equipment, which is allocated a plurality of serving cells, receiving acknowledgement/negative acknowledgement (ACK/NACK) in a wireless communication system. The method comprises: transmitting uplink data through a physical uplink shared channel (PUSCH); and receiving ACK/NACK with respect to the uplink through a physical hybrid-ARQ indicator channel (PHICH), wherein a serving cell that receives the ACK/NACK is selected from one or more serving cells, which the user equipment monitors to detect an uplink grant that schedules the PUSCH.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: June 18, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Han Byul Seo, Suck Chel Yang, Joon Kui Ahn
  • Patent number: 10306609
    Abstract: Provided is a method and an apparatus for transmitting uplink control information by a terminal in wireless communication system. When a PUCCH resource used for transmitting only periodic CSI from a subframe, the resource is a first resource, and a resource indicated by ARI is a second resource, when a setting allows transmitting together ACK/NACK and the periodic CSI through a PUCCH from the same subframe, the first resource and the second resource are mutually exclusive, and the second resource that is used for transmitting together the ACK/NACK and the periodic CSI uses the resource indicated by the ARI from resources determined by an RRC.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: May 28, 2019
    Assignee: LG Electronics Inc.
    Inventors: Dong Youn Seo, Suck Chel Yang, Joon Kui Ahn
  • Patent number: 10305663
    Abstract: Provided is a method of transmitting ACK/NACK in a TDD-based wireless communication system. The method includes: receiving M downlink subframes associated with an uplink subframe n in each of two serving cells; determining four candidate resources based on the M downlink subframes received in each of the two serving cells; and transmitting an ACK/NACK response for the M downlink subframes by using one resource selected from the four candidate resources in the uplink subframe n, wherein the two serving cells includes a first serving cell and a second serving cell, and wherein among the four candidate resources, a first resource and a second resource are associated with a PDSCH or a SPS release PDCCH for releasing semi-persistent scheduling received in the first serving cell, and a third resource and a fourth resources are associated with a PDSCH received in the second serving cell.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: May 28, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Joon Kui Ahn, Suck Chel Yang, Min Gyu Kim, Dong Youn Seo
  • Publication number: 20190110276
    Abstract: A method is provided for a User Equipment (UE) operating in a wireless communication system. The method includes monitoring a control channel candidate with a downlink control information (DCI) format size in a plurality of search spaces. Each of the plurality of search spaces corresponds to a respective carrier indicator field (CIF) value. The method further includes transmitting or receiving data using downlink control information which is detected by monitoring the control channel candidate. In a state that control channel candidates have different values of carrier indicator field for the DCI format size, the control channel candidate with the DCI format size is received in any search space corresponding to any of the different values of carrier indicator field for the DCI format size.
    Type: Application
    Filed: June 12, 2018
    Publication date: April 11, 2019
    Applicant: LG ELECTRONICS INC.
    Inventors: Suck Chel YANG, Min Gyu KIM, Joon Kui AHN, Dong Youn SEO
  • Patent number: 10250368
    Abstract: A method for uplink transmission in a wireless communication system, the method includes determining, by a user equipment (UE), whether the first uplink signal to be transmitted toward a first cell belonging to a first timing advance group (TAG) at an nth subframe overlaps the second uplink signal to be transmitted toward a second cell belonging to a second TAG at an (n+1)st subframe; dropping, by the UE, the first uplink signal at the nth subframe, if a total transmission power including the first and second uplink signals exceeds a maximum transmit power, where n is an integer?1; and transmitting the second uplink signal without the first uplink signal which is dropped.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: April 2, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Joon Kui Ahn, Suck Chel Yang, Yun Jung Yi, Dong Youn Seo
  • Patent number: 10251169
    Abstract: A method for receiving a physical downlink control channel (PDCCH) by a user equipment (UE) in a wireless communication system, the method comprising: monitoring, in a common search space and one or more UE-specific search spaces on a primary component carrier, PDCCH candidates having a same radio network temporary identifier (RNTI), a same payload size and a same first control channel element (CCE) index but different set of control information fields; and receiving, in the common search space on the primary component carrier, the PDCCH if the UE is configured with a carrier indicator field.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: April 2, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Suck Chel Yang, Min Gyu Kim, Joon Kui Ahn, Dong Youn Seo
  • Publication number: 20190082437
    Abstract: Provided is a method and an apparatus for transmitting uplink control information by a terminal in wireless communication system. When a PUCCH resource used for transmitting only periodic CSI from a subframe, the resource is a first resource, and a resource indicated by ARI is a second resource, when a setting allows transmitting together ACK/NACK and the periodic CSI through a PUCCH from the same subframe, the first resource and the second resource are mutually exclusive, and the second resource that is used for transmitting together the ACK/NACK and the periodic CSI uses the resource indicated by the ARI from resources determined by an RRC.
    Type: Application
    Filed: November 14, 2018
    Publication date: March 14, 2019
    Inventors: Dong Youn Seo, Suck Chel Yang, Joon Kui Ahn
  • Patent number: 10231219
    Abstract: A method and a user equipment (UE) for transmitting control information in a wireless communication system are discussed. The method according to one embodiment includes receiving a parameter which indicates whether transmission of a hybrid automatic repeat request acknowledgement (HARQ-ACK) on a physical uplink control channel (PUCCH) and a sounding reference signal (SRS) in one subframe is configured; if the parameter is true, transmitting, in a primary component carrier (CC), the PUCCH, which coincides in a same subframe as the SRS, by using a shortened PUCCH format carrying at least one of the HARQ-ACK and a positive scheduling request (SR); and if the parameter is false, transmitting the PUCCH by using a normal PUCCH format, while not transmitting, in a secondary CC, the SRS which coincides in the same subframe as the PUCCH. The shortened PUCCH format is a shortened PUCCH format 1/1a/1b or a shortened PUCCH format 3.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: March 12, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Min Seok Noh, Dong Youn Seo, Seung Hee Han, Min Gyu Kim, Jae Hoon Chung, Suck Chel Yang, Joon Kui Ahn
  • Patent number: 10225827
    Abstract: A method and low-cost/low-capability (LC) device are provided for performing a random access procedure in a wireless communication system. The LC device receives configuration information for a random access procedure from a base station. The configuration information includes resource information for transmitting a random access preamble, and the resource information is specific to the LC device. The LC device transmits, to a base station, a random access preamble on a random access resource determined based on the resource information. The LC device receives a random access response in response to the random access preamble. The random access resource is configured for each region of a coverage of the base station.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: March 5, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Joon Kui Ahn, Dong Youn Seo, Suck Chel Yang, Min Gyu Kim
  • Patent number: 10200981
    Abstract: Provided is a method and an apparatus for transmitting uplink control information by a terminal in wireless communication system. When a PUCCH resource used for transmitting only periodic CSI from a subframe, the resource is a first resource, and a resource indicated by ARI is a second resource, when a setting allows transmitting together ACK/NACK and the periodic CSI through a PUCCH from the same subframe, the first resource and the second resource are mutually exclusive, and the second resource that is used for transmitting together the ACK/NACK and the periodic CSI uses the resource indicated by the ARI from resources determined by an RRC.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: February 5, 2019
    Assignee: LG Electronics Inc.
    Inventors: Dong Youn Seo, Suck Chel Yang, Joon Kui Ahn
  • Patent number: 10194430
    Abstract: A method for transmitting control information, performed by a user equipment (UE), in a wireless communication system, the method includes generating, by the UE, uplink control information (UCI); and transmitting, by the UE to a base station, the UCI through a physical uplink control channel (PUCCH) in a subframe, wherein, when the subframe is configured for transmission of a scheduling request (SR) and when transmission of a hybrid automatic repeat request acknowledgement (HARQ-ACK) coincides with the subframe, transmission power of the PUCCH is determined based on a payload size of both the HARQ-ACK and the SR.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: January 29, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Min Gyu Kim, Suck Chel Yang, Joon Kui Ahn, Dong Youn Seo
  • Patent number: 10135597
    Abstract: Provided are a method and a device for transmitting an acknowledgement/not-acknowledgement (ACK/NACK) of a terminal which is set with a plurality of serving cells. The method comprises the steps of: receiving data in a subframe n of a second serving cell; and transmitting an ACK/NACK signal for the data in a subframe n+kSCC(n) of a first serving cell connected to the subframe n of the second serving cell, wherein the first serving cell is a primary cell for the terminal to execute an initial connection establishment procedure or a connection reestablishment procedure, and uses a frequency division duplex (FDD) wireless frame, the second serving cell is a secondary cell allocated to the terminal in addition to the primary cell, and uses a time division duplex (TDD) wireless frame, and the kSCC(n) is a previously determined value.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: November 20, 2018
    Assignee: LG Electronics Inc.
    Inventors: Dong Youn Seo, Min Gyu Kim, Suck Chel Yang, Joon Kui Ahn
  • Publication number: 20180323930
    Abstract: A method and user equipment for performing an uplink transmission in a wireless communication system, are discussed. The method includes allocating transmission power to a first uplink transmission and a second uplink transmission when a total power in a transmission period including at least one or more OFDM symbols exceeds maximum power, wherein each of the first and second uplink transmissions is one of physical uplink shared channel (PUSCH) transmission, physical uplink control channel (PUCCH) transmission, physical random access channel (PRACH) transmission and sounding reference signal (SRS) transmission; and performing the first and second uplink transmissions according to the allocated transmission power, wherein the allocation of the transmission power is performed according to priority information.
    Type: Application
    Filed: July 10, 2018
    Publication date: November 8, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Joon Kui AHN, Suck Chel YANG, Yun Jung YI, Dong Youn SEO
  • Patent number: 10110292
    Abstract: A method for transmitting channel status information of a user equipment (UE) in a wireless communication system. The UE reports first channel information to a base station periodically; and reports second channel information to the base station periodically. The first channel information and the second channel information are pieces of information combined to indicate one precoding matrix. The second channel information reported in a specific subframe is calculated based on last reported first channel information. A channel quality indicator (CQI) reported in the specific subframe is calculated based on one precoding matrix indicated by the last reported first channel information and the second channel information reported in the specific subframe.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: October 23, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Joon Kui Ahn, Suck Chel Yang, Min Gyu Kim, Dong Youn Seo
  • Publication number: 20180263049
    Abstract: A method for determining link direction of resources in a wireless communication system, the method performed by a user equipment (UE) includes receiving frame configuration information from a base station, wherein the frame configuration information indicates at least one of default resources and flexible resources in a frame, receiving downlink control information (DCI) format from the base station, and determining link direction of the flexible resources in the frame based on the frame configuration information and the DCI format.
    Type: Application
    Filed: May 14, 2018
    Publication date: September 13, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Dong Youn SEO, Min Gyu KIM, Suck Chel YANG, Joon Kui AHN
  • Patent number: RE47039
    Abstract: The present invention provided a method and apparatus for reporting a channel quality in a wireless communication system. A terminal receives an uplink grant from a base station via one of a plurality of downlink component carriers (CCs). The uplink grant includes a channel quality indicator (CQI) request for instructing uplink allocation and CQI reporting. The terminal reports the CQI of the downlink CC being linked to the base station. The downlink CC being linked is one of the plurality of downlink CCs, which is linked to the uplink CC for which the uplink allocation is scheduled. A method and an apparatus for reporting channel quality are discussed.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: September 11, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Min Gyu Kim, Suck Chel Yang, Joon Kui Ahn
  • Patent number: RE47091
    Abstract: The present invention provided a method and apparatus for reporting a channel quality in a wireless communication system. A terminal receives an uplink grant from a base station via one of a plurality of downlink component carriers (CCs). The uplink grant includes a channel quality indicator (CQI) request for instructing uplink allocation and CQI reporting. The terminal reports the CQI of the downlink CC being linked to the base station. The downlink CC being linked is one of the plurality of downlink CCs, which is linked to the uplink CC for which the uplink allocation is scheduled. A method and an apparatus for reporting channel quality are discussed.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: October 16, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Min Gyu Kim, Suck Chel Yang, Joon Kui Ahn