Patents by Inventor Yunjung Yi

Yunjung Yi 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: 20210105751
    Abstract: A wireless device receives, from a base station, one or more messages comprising configuration parameters indicating a sounding reference signal (SRS) resource set. A downlink control information is received. The downlink control information comprising an SRS resource indicator (SRI) and an uplink transmission configuration indicator (UL-TCI). The SRI indicates one or more SRS resources of the SRS resource set. In response to the UL-TCI being equal to a predefined value, a determination is made of an uplink spatial domain transmission filter based on the one or more SRS resources of the SRS resource set. A transport block with the uplink spatial domain transmission filter is transmitted via a physical uplink shared channel.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 8, 2021
    Inventors: Kai Xu, Esmael Hejazi Dinan, Hua Zhou, Yunjung Yi, Ali Cagatay Cirik, Youngwoo Kwak
  • Publication number: 20210105812
    Abstract: A wireless device receives configuration parameters of periodic radio resources of a configured uplink grant. The periodic radio resources comprise: one or more first resource elements of a first sub-band; and one or more second resource elements of a second sub-band. The wireless device multiplexes: a first configured grant uplink control information (CG-UCI) via the one or more first resource elements; and a second CG-UCI via the one or more second resource elements. The second CG-UCI is be based on a repetition of the first CG-UCI. At least one of the first CG-UCI and the second CG-UCI is transmitted via the periodic radio resources and based on one or more listen-before-talk (LBT) procedures performed on the first sub-band and the second sub-band.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 8, 2021
    Inventors: Nazanin Rastegardoost, Esmael Hejazi Dinan, Hyoungsuk Jeon, Yunjung Yi
  • Publication number: 20210105126
    Abstract: Wireless devices may communicate with each other, for example, via sidelink communication. A wireless device may receive downlink messages from a base station, and the wireless device may receive sidelink messages from another wireless device. Acknowledgment messages to the base station may be prioritized, based on an indication of a priority, such that a sidelink message may be prioritized over acknowledgment feedback for a downlink message.
    Type: Application
    Filed: October 2, 2020
    Publication date: April 8, 2021
    Inventors: Yunjung Yi, Esmael Dinan, Hyukjin Chae, Ali Cirik, Hua Zhou, Kai Xu
  • Publication number: 20210105097
    Abstract: A method for performing, by a terminal, an uplink HARQ process in a wireless communication system according to one embodiment of the present invention comprises the steps of: transmitting uplink data set to a first HARQ process ID; receiving an ACK/NACK response to the uplink data; and retransmitting the uplink data in response to the ACK/NACK response, wherein when the uplink data includes an SPS signal, the first HARQ process ID is set to one of values #0 to #n?1, and when the uplink data includes a non-SPS signal, the first HARQ process ID is set to one of values #n to #n+m?1, where n is the total number of HARQ processes that can be configured for the SPS signal, and m is the total number of HARQ processes that can be configured for the non-SPS signal.
    Type: Application
    Filed: March 26, 2018
    Publication date: April 8, 2021
    Inventors: Uihyun HONG, Yunjung YI, Hyunho LEE
  • Publication number: 20210105055
    Abstract: A first wireless device, receives from a second wireless device, one or more configuration messages comprising a sidelink latency upper bound for sidelink channel state information (CSI) reporting. The first wireless device receives, during a first time slot, from the second wireless device a sidelink CSI reporting triggering indication and one or more CSI reference signals. The first wireless device determines one or more sidelink CSI reporting resources within a time period indicated by the sidelink latency upper bound and starting from the first time slot. The first wireless device transmits one or more sidelink CSIs on the one or more sidelink CSI reporting resources.
    Type: Application
    Filed: October 5, 2020
    Publication date: April 8, 2021
    Inventors: Hyukjin Chae, Esmael Dinan, Kyungmin Park, Yunjung Yi
  • Publication number: 20210105765
    Abstract: Wireless communications may comprise communications between a base station and a wireless device. A wireless device may perform beam failure recovery (BFR). Based on an indication of completion of the BFR, the wireless device may determine resources for transmission of uplink signals.
    Type: Application
    Filed: October 2, 2020
    Publication date: April 8, 2021
    Inventors: Ali Cirik, Esmael Dinan, Yunjung Yi, Hua Zhou
  • Publication number: 20210105121
    Abstract: A first wireless device receives, from a base station, one or more radio resource control messages indicating a type of demodulation reference signal (DMRS). The first wireless device determines a length of the DMRS. The first wireless device determines a DMRS configuration of a physical sidelink shared channel (PSSCH) based on based on the type and the length of the DMRS. The first wireless device transmits, to a second wireless device, sidelink control information comprising the DMRS configuration of the PSSCH.
    Type: Application
    Filed: October 5, 2020
    Publication date: April 8, 2021
    Inventors: Hyukjin Chae, Esmael Dinan, Youngwoo Kwak, Yunjung Yi
  • Patent number: 10972329
    Abstract: The present invention provides a method and devices for transmitting and receiving a synchronization signal and a method for generating a synchronization signal in a wireless access system supporting narrowband Internet of Things (NB-IoT). A method for transmitting a primary synchronization signal (PSS) by a base station in a wireless access system supporting narrowband Internet of Things (NB-IoT), according to an embodiment of the present invention, can comprise the steps of: repeatedly generating first sequences n times so as to generate primary synchronization signals; multiplying n first sequences by second sequences and thus generating n primary synchronization signals; and transmitting n primary synchronization signals by means of n OFDM symbols, respectively. The size of a bandwidth used in the wireless access system supporting NB-IoT is the size of one physical resource block (PRB), and one PRB can comprise twelve subcarriers in a frequency domain.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: April 6, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Bonghoe Kim, Kijun Kim, Hyunsoo Ko, Byounghoon Kim, Yunjung Yi, Seokmin Shin
  • Patent number: 10972929
    Abstract: A channel state reporting method based on a channel state information-reference signal (CSI-RS) in a wireless communication system, according to one embodiment of the present invention, may comprise the steps of: receiving a CSI-RS configuration associated with a partial band occupying a frequency band configured with a single numerology; and when CSI-RS configurations for multiple partial bands are included in the CSI-RS configuration, configuring the respective multiple partial bands with numerologies that are different from each other, and according to the CSI-RS configuration associated with the partial band, transmitting CSI information derived from a CSI-RS transmitted from the partial band.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: April 6, 2021
    Assignee: LG Electronics Inc.
    Inventors: Kunil Yum, Jiwon Kang, Kijun Kim, Yunjung Yi
  • Patent number: 10973015
    Abstract: A method of performing, by a user equipment (UE), uplink transmission in a wireless communication system. The method includes: receiving, from a base station (BS), a plurality of RRC configuration information related to downlink control information (DCI); receiving, from the BS, first DCI for the uplink transmission, wherein the first DCI includes a field related to a usage of the first DCI; applying parameters of a specific RRC configuration information, among the plurality of RRC configuration information, to the first DCI based on the usage of the first DCI indicated by the field of the first DCI, wherein based on a size of the field of the first DCI being smaller than a field size of second DCI for PUSCH transmission, the field of the first DCI is zero bit padded and decoded; and performing the uplink transmission to the BS based on the first DCI.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: April 6, 2021
    Assignee: LG Electronics Inc.
    Inventors: Duckhyun Bae, Yunjung Yi, Daesung Hwang
  • Patent number: 10972927
    Abstract: A method of monitoring a control signal in a wireless communication system, where the method is performed by a user equipment (UE) and includes: selecting at least one control resource set (CORESET) among a plurality of CORESETs based on an overlap between physical downlink control channel (PDCCH) monitoring occasions in the plurality of CORESETs; and monitoring a PDCCH only in the selected at least one CORESET, among the plurality of CORESETs. The method also includes: based on the at least one CORESET including a first CORESET, and based on a first reference signal of the first CORESET and a second reference signal of a second CORESET being associated with a same synchronization signal/physical broadcast channel block (SSB): monitoring the PDCCH in both the first CORESET and the second CORESET.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: April 6, 2021
    Assignee: LG Electronics Inc.
    Inventors: Inkwon Seo, Yunjung Yi
  • Publication number: 20210100059
    Abstract: Wireless devices may communicate with each other, for example, via sidelink. A wireless device may request reference signals from another wireless device to determine a new beam to prevent beam failure of wireless communications. A base station may send beam information for sidelink communications to assist a wireless device in recovering from a beam failure.
    Type: Application
    Filed: September 30, 2020
    Publication date: April 1, 2021
    Inventors: Kai Xu, Esmael Dinan, Hua Zhou, Yunjung Yi, Bing Hui
  • Publication number: 20210100031
    Abstract: A wireless device may perform a listen-before transmit (LBT) procedure for an uplink transmission. An LBT failure recovery procedure may be initiated based on a failure of one or more LBT procedures. The LBT failure recovery procedure may be aborted and/or canceled based on one or more conditions, such as receiving configuration (or reconfiguration) parameters, receiving an indication of a bandwidth part switching, deactivating a cell, and/or receiving a request to set (or reset) a communication layer of the wireless device.
    Type: Application
    Filed: September 30, 2020
    Publication date: April 1, 2021
    Inventors: Ali Cirik, Esmael Dinan, Yunjung Yi, Hua Zhou, Hyoungsuk Jeon
  • Publication number: 20210099981
    Abstract: Wireless communications may comprise communications between a base station and a wireless device. The base station may send and/or schedule one or more transmissions to the wireless device that may overlap in time. The wireless device may receive and/or decode overlapping transmissions that are associated with a different indication and/or the wireless device may not receive at least one of overlapping transmissions that are associated with the same indications.
    Type: Application
    Filed: September 30, 2020
    Publication date: April 1, 2021
    Inventors: Ali Cirik, Esmael Hejazi Dinan, Yunjung Yi, Hua Zhou, Youngwoo Kwak
  • Publication number: 20210099254
    Abstract: A wireless device receives configuration parameters indicating: a plurality of hybrid automatic repeat request (HARQ) processes of a cell; a subset of the plurality of HARQ processes; and a HARQ process identifier offset. A downlink control information (DCI) comprising a first HARQ process identifier and a resource assignment is received. The first HARQ process identifier indicates a HARQ process in the subset of the plurality of HARQ processes. A second HARQ process identifier is determined based on the first HARQ process identifier and the HARQ process identifier offset. The second HARQ process identifier indicates a second HARQ process of the plurality of HARQ processes. Based on the resource assignment, a transport block of a HARQ buffer associated with the second HARQ process is transmitted.
    Type: Application
    Filed: August 10, 2020
    Publication date: April 1, 2021
    Inventors: Alireza Babaei, Esmael Dinan, Yunjung Yi, Hua Zhou, Ali Cagatay Cirik, Kai Xu, Youngwoo Kwak, Hyoungsuk Jeon, Nazanin Rastegardoost
  • Publication number: 20210099958
    Abstract: A method for controlling transmission power in a wireless communication system, and an apparatus therefor are disclosed in the disclosure. Specifically, the method for controlling uplink transmission power in a wireless communication system, that is performed by a terminal, may comprise the steps of: receiving from a base station power control configuration information with respect to a plurality of power control domains by means of higher layer signalling; receiving from the base station downlink control information (DCI) including transmission power control (TPC) information with respect to at least one of the plurality of power control domains; and performing uplink transmission using transmission power that is determined based on the power control configuration information and the TPC information.
    Type: Application
    Filed: August 2, 2018
    Publication date: April 1, 2021
    Inventors: Duckhyun BAE, Yunjung YI, Inkwon SEO, Hyunho LEE, Daesung HWANG
  • Patent number: 10966162
    Abstract: A method and apparatus for adapting a repetition level for uplink (UL) transmission in a wireless communication is provided. A user equipment (UE) configures different number of repetitions per physical uplink control channel (PUCCH) format, and transmits a PUCCH format by using a corresponding number of repetitions among the different number of repetitions.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: March 30, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Yunjung Yi, Hyangsun You, Hanbyul Seo
  • Patent number: 10966192
    Abstract: Disclosed in the present application is a method by which a terminal, set by a first uplink carrier, receives downlink control information from a base station in a wireless communication system. Particularly, the method comprises the steps of: receiving setting information of a second uplink carrier through an upper layer; receiving, from the base station, the downlink control information for transmission of an uplink signal through the first uplink carrier or the second uplink carrier; and transmitting, to the base station, the uplink signal on the basis of the downlink control information, wherein the last bit of padding bits of the downlink control information is indicator information indicating either the first uplink carrier or the second uplink carrier.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: March 30, 2021
    Assignee: LG Electronics Inc.
    Inventors: Youngtae Kim, Seonwook Kim, Duckhyun Bae, Huayue Song, Joonkui Ahn, Suckchel Yang, Yunjung Yi, Hyunho Lee, Daesung Hwang
  • Patent number: 10966157
    Abstract: A method and apparatus for controlling an uplink power in a wireless communication system is provided. A user equipment (UE) sets a first maximum power for a first set of uplink subframes for a first eNodeB (eNB) in which the UE can allocate up to the first maximum power to uplink signals to be transmitted to the first eNB, and sets a second maximum power for a second set of uplink subframes for the first eNB in which the UE can allocate up to the second maximum power to uplink signals to be transmitted to the first eNB. The uplink signals are transmitted to the first eNB only in the first set of uplink subframes. Further, the uplink signals are transmitted to both the first eNB and a second eNB in the second set of uplink subframes.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: March 30, 2021
    Assignee: LG ELECTRONICS INC.
    Inventor: Yunjung Yi
  • Patent number: 10966171
    Abstract: This closure relates to narrowband communication supporting an Internet of Things (IoT) service in a next-generation wireless communication system and, more particularly, to a method and apparatus for transmitting and receiving narrowband synchronization signals. A base station transmits a narrowband secondary synchronization signal indicating a narrowband cell identity, a specific sequence generated by performing phase rotation with respect to a base sequence generated through a second Zadoff-Chu sequence having a predetermined length L in a frequency domain and multiplying the base sequence by a cover sequence in element units is used for the narrowband secondary synchronization signal, and a specific root index is selected from among M (M<L) root indices as a root index of the second Zadoff-Chu sequence and the specific root index is selected in a range from k to k+M?1 in terms of a predetermined offset k.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: March 30, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunsoo Ko, Seokmin Shin, Byounghoon Kim, Yunjung Yi, Bonghoe Kim