Patents by Inventor Woo-Jin Choi

Woo-Jin Choi 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: 20220095300
    Abstract: Provided is a method for a terminal for transmitting uplink control data. The method includes receiving, from a base station, at least one of UL control channel resource set configuration information and UL control channel transmission information, configuring an UL control channel including the UL control information based on at least one of the UL control channel resource set configuration information and the UL control channel transmission information, and transmitting the UL control channel to the base station. The UL control channel is configured with one or more UL control channel formats based on the number of symbols that configure the UL control channel.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Applicant: KT CORPORATION
    Inventors: Kyujin PARK, Woo-jin CHOI
  • Patent number: 11240785
    Abstract: Provided is a method for a terminal for transmitting uplink control data. The method includes receiving, from a base station, at least one of UL control channel resource set configuration information and UL control channel transmission information, configuring an UL control channel including the UL control information based on at least one of the UL control channel resource set configuration information and the UL control channel transmission information, and transmitting the UL control channel to the base station. The UL control channel is configured with one or more UL control channel formats based on the number of symbols that configure the UL control channel.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: February 1, 2022
    Assignee: KT CORPORATION
    Inventors: Kyujin Park, Woo-jin Choi
  • Patent number: 11197309
    Abstract: Provided are a method for configuring a short-TTI frame structure in a 3GPP LTE/LTE-advanced system, a method for transmitting, to a terminal, information on the configured short-TTI frame structure, and a method for receiving short-TTI frame structure configuration information by a terminal. The method may include: receiving, by the terminal, configuration information of a short-TTI configured to have a predetermined number of symbols; and receiving data through a frame structure including the short-TTI configured to have the predetermined number of symbols on the basis of the configuration information of the short-TTI.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: December 7, 2021
    Assignee: KT CORPORATION
    Inventors: Ki-tae Kim, Woo-jin Choi
  • Publication number: 20210351874
    Abstract: Provided is a method for scheduling an uplink control channel (PUCCH) in a next generation/5G wireless access network. The method of a terminal for scheduling a PUCCH may include: receiving, from a base station, timing relationship setting information between a downlink data channel (PDSCH) and a PUCCH; and scheduling the PUCCH on the basis of the timing relationship setting information.
    Type: Application
    Filed: July 19, 2021
    Publication date: November 11, 2021
    Inventors: Kyujin PARK, Woo-jin CHOI
  • Patent number: 11160051
    Abstract: Provided are a method and an apparatus for transmitting or receiving a downlink control channel in a next generation/5G wireless access network. The method includes receiving configuration information relating to a common search space (CSS) from a base station and receiving, through the common search space, a downlink control channel including information for scheduling remaining minimum system information (RMSI), wherein the configuration information is included in a master information block (MIB) received through a physical broadcast channel and is received from the base station.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: October 26, 2021
    Assignee: KT CORPORATION
    Inventors: Kyujin Park, Woo-Jin Choi
  • Publication number: 20210282190
    Abstract: Provided is a method for a base station executing a multi-beam-based random access procedure in wireless communication, and a device therefor. The method may include: transmitting information associated with a RACH resource to a terminal; receiving a multi-RACH preamble from the terminal by a multi-beam; and transmitting a random access response to the terminal.
    Type: Application
    Filed: February 15, 2021
    Publication date: September 9, 2021
    Applicant: KT CORPORATION
    Inventors: Ki-tae KIM, Woo-jin CHOI
  • Patent number: 11115976
    Abstract: Provided is a method and a device for transmitting an Ack/Nack of sPUCCH in response to the reception of short TTI-based sPDSCH in a 3GPP LTE/LTE-Advanced system. A base station may set, for each terminal, an offset value for setting a link between sPDSCH and sPUCCH, and transmit the set offset value to the terminal through upper layer signaling (RRC signaling), thereby enabling a terminal to use the offset value to allocate sPUCCH resources for transmitting an Ack/Nack in response to the reception of sPDSCH.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: September 7, 2021
    Assignee: KT CORPORATION
    Inventors: Ki-tae Kim, Kyujin Park, Woo-jin Choi
  • Patent number: 11115157
    Abstract: The disclosure provides a method for scheduling an uplink control channel (PUCCH) in a next generation/5G wireless access network. The method of a terminal for scheduling a PUCCH may include: receiving, from a base station, timing relationship setting information between a downlink data channel (PDSCH) and a PUCCH; and scheduling the PUCCH on the basis of the timing relationship setting information.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: September 7, 2021
    Assignee: KT CORPORATION
    Inventors: Kyujin Park, Woo-jin Choi
  • Publication number: 20210266216
    Abstract: Provided are a configuration method and a transmission method of a new reference signal for frequency offset estimation in a novel wireless communication system. The method may include configuring a synchronization signal to be transmitted through a first bandwidth part of one or more bandwidth parts configured by dividing an entire bandwidth into one or more parts, allocating the one or more reference signals for estimating the frequency offset on one or more resources other than a resource for configuring the synchronization signal, and transmitting the one or more reference signals for estimating the frequency offset.
    Type: Application
    Filed: May 6, 2021
    Publication date: August 26, 2021
    Inventors: Ki-tae KIM, Woo-jin CHOI
  • Publication number: 20210267007
    Abstract: Provided are a method of a base station for controlling transmission and reception of data through a network slice. The method includes: receiving network slice request information from a terminal in which a network slice is configured; controlling so as to deliver the network slice request information to a core network entity; and receiving, from the core network entity, specific network slice information configured on the basis of the network slice request information.
    Type: Application
    Filed: May 7, 2021
    Publication date: August 26, 2021
    Inventors: Sung-pyo HONG, Woo-jin CHOI
  • Publication number: 20210258938
    Abstract: Provided are a method for monitoring, transmitting, and receiving downlink pre-emption indication information in a next-generation/5G radio access network. The method may include receiving monitoring configuration information for downlink pre-emption indication information from a base station; receiving configuration information on a control resource set (CORESET) for receiving the downlink pre-emption indication information from the base station; configuring reference downlink resources based on the configuration information on a control resource set; and monitoring the downlink pre-emption indication information for the reference downlink resources.
    Type: Application
    Filed: May 4, 2021
    Publication date: August 19, 2021
    Inventors: Kyujin PARK, Woo-jin CHOI
  • Publication number: 20210259007
    Abstract: Provided is a method for designing downlink control channel for satisfying requirement of the different usage scenarios from each other in a next-generation/5G radio access network which has been discussed in the 3rd generation partnership project (3GPP). In particular, a method of a base station may be provided for transmitting/receiving data in a next-generation radio access network. The method may include configuring a time domain scheduling unit made up of at least one OFDM symbol for each user equipment, allocating a downlink data channel transmission resource with the time domain scheduling unit for a first user equipment, and puncturing a part of the downlink data channel transmission resource for the first user equipment and allocating the punctured resource to the downlink data channel transmission resource for a second user equipment.
    Type: Application
    Filed: May 4, 2021
    Publication date: August 19, 2021
    Inventors: Kyujin PARK, Woo-jin CHOI
  • Patent number: 11082957
    Abstract: Provided is a method for transmitting an uplink signal by a NarrowBand IoT (Internet of Things) UE and a device therefor. The method may include: receiving downlink data from a base station; generating HARQ ACK/NACK feedback information related to the downlink data; and transmitting the HARQ ACK/NACK feedback information to the base station through a Narrowband Physical Uplink Shared Channel (NPUSCH), wherein the NPUSCH is mapped to a resource unit configured by M subcarriers and K slots.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: August 3, 2021
    Assignee: KT CORPORATION
    Inventors: Kyujin Park, Woo-jin Choi
  • Patent number: 11044743
    Abstract: Provided is a method for designing downlink control channel for satisfying requirement of the different usage scenarios from each other in a next-generation/5G radio access network which has been discussed in the 3rd generation partnership project (3GPP). In particular, a method of a base station may be provided for transmitting/receiving data in a next-generation radio access network. The method may include configuring a time domain scheduling unit made up of at least one OFDM symbol for each user equipment, allocating a downlink data channel transmission resource with the time domain scheduling unit for a first user equipment, and puncturing a part of the downlink data channel transmission resource for the first user equipment and allocating the punctured resource to the downlink data channel transmission resource for a second user equipment.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: June 22, 2021
    Assignee: KT CORPORATION
    Inventors: Kyujin Park, Woo-jin Choi
  • Patent number: 11044718
    Abstract: Provided are a method for monitoring, transmitting, and receiving downlink pre-emption indication information in a next-generation/5G radio access network. The method may include receiving monitoring configuration information for downlink pre-emption indication information from a base station; receiving configuration information on a control resource set (CORESET) for receiving the downlink pre-emption indication information from the base station; configuring reference downlink resources based on the configuration information on a control resource set; and monitoring the downlink pre-emption indication information for the reference downlink resources.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: June 22, 2021
    Assignee: KT CORPORATION
    Inventors: Kyujin Park, Woo-jin Choi
  • Patent number: 11044777
    Abstract: Provided are a method of a base station for controlling transmission and reception of data through a network slice. The method includes: receiving network slice request information from a terminal in which a network slice is configured; controlling so as to deliver the network slice request information to a core network entity; and receiving, from the core network entity, specific network slice information configured on the basis of the network slice request information.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: June 22, 2021
    Assignee: KT CORPORATION
    Inventors: Sung-pyo Hong, Woo-jin Choi
  • Publication number: 20210184807
    Abstract: Provided are a method of configuring resource block (RB) indexing information about a component carrier (CC) by a base station (BS). The method may include: configuring common RB indexing information about the CC; configuring one or more bandwidth parts (BWPs) based on the common RB indexing information; and transmitting the common RB indexing information and configuration information about the bandwidth parts to a terminal.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 17, 2021
    Applicant: KT CORPORATION
    Inventors: Kyujin PARK, Woo-jin CHOI
  • Patent number: 11038735
    Abstract: Provided are a configuration method and a transmission method of a new reference signal for frequency offset estimation in a novel wireless communication system. The method may include configuring a synchronization signal to be transmitted through a first bandwidth part of one or more bandwidth parts configured by dividing an entire bandwidth into one or more parts, allocating the one or more reference signals for estimating the frequency offset on one or more resources other than a resource for configuring the synchronization signal, and transmitting the one or more reference signals for estimating the frequency offset.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: June 15, 2021
    Assignee: KT CORPORATION
    Inventors: Ki-tae Kim, Woo-jin Choi
  • Publication number: 20210167894
    Abstract: Provided is a method of transmitting and receiving a data channel for the next-generation/5G radio access network. The method may include: receiving setting information about a code block group (CBG) for retransmission of the data channel from a base station; and receiving downlink control information (DCI) including scheduling information about the data channel from the base station, wherein the DCI includes transmission direction information about the CBG.
    Type: Application
    Filed: February 10, 2021
    Publication date: June 3, 2021
    Applicant: KT CORPORATION
    Inventors: Kyujin PARK, Woo-jin CHOI
  • Publication number: 20210168785
    Abstract: Provided is s a method for a base station to allocate a time interval resource to transceive a downlink data channel (PDSCH) or an uplink data channel (PUSCH). The method include allocating a time interval resource for each OFDM symbol on the basis of a slot or a mini-slot, transmitting, to a terminal, time interval resource configuration information including OFDM symbol allocation data for OFDM symbols used for data channel transception in the slot or the mini-slot, and transmitting, to the terminal, control information selecting one of the symbol allocation data included in the time interval resource configuration information.
    Type: Application
    Filed: February 9, 2021
    Publication date: June 3, 2021
    Applicant: KT CORPORATION
    Inventors: Kyujin PARK, Woo-jin CHOI