Patents by Inventor Yeong Hyeon Kwon

Yeong Hyeon Kwon 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: 10044461
    Abstract: Method for generating reference signal sequence using grouping is explained. In this method, base sequences are grouped such that each group contains at least one base sequence of each length, so UE(s) can use various length sequences as a reference signal. And in this method, inter cell interference caused by using various length sequence as a reference signal sequence can be minimized by grouping sequences having the high cross correlation relation.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: August 7, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Min Seok Noh, Seung Hee Han, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Jin Sam Kwak
  • Publication number: 20180191477
    Abstract: A method for transmitting control information via a PUCCH in a wireless communication system and an apparatus for performing the method are provided, the method including joint-coding a plurality of pieces of control information to obtain a single code word; obtaining a first modulated symbol sequence from the single code word; obtaining a plurality of second modulated symbol sequences corresponding to each slot in the PUCCH from the first modulated symbol sequence; cyclically shifting the plurality of second modulated symbol sequences in a time domain to obtain a plurality of third modulated symbol sequences; performing a Discrete Fourier Transform (DFT) precoding process on the plurality of third modulated symbol sequences to obtain a plurality of complex symbol sequences in a frequency domain; and transmitting the plurality of complex symbol sequences via the PUCCH.
    Type: Application
    Filed: March 2, 2018
    Publication date: July 5, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hee HAN, Sung Ho MOON, Jae Hoon CHUNG, Moon Il LEE, Yeong Hyeon KWON
  • Patent number: 9992763
    Abstract: A user equipment in wireless communication system is provided. The user equipment includes an antenna unit including a plurality of antennas, a control unit for grouping the plurality of antennas into a predetermined number of antenna groups and controlling separately transmission power of each of the predetermined number of antenna groups, and a transmitting unit, connected to the control unit, for transmitting at least one of data and control information to a base station via at least one of the predetermined number of antenna groups.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: June 5, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Moon Il Lee, Jae Hoon Chung, Hyun Soo Ko, Bin Chul Ihm, Yeong Hyeon Kwon
  • Patent number: 9985767
    Abstract: A method and apparatus for requesting uplink resources in a wireless communication system is provided. A user equipment determines whether a scheduling request for requesting uplink resources is triggered. If the scheduling request is triggered, the user equipment transmits a first set of frequency domain sequences and a second set of frequency domain sequences in a subframe.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: May 29, 2018
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Hyun Woo Lee, Jae Hoon Chung, Jin Sam Kwak, Dong Cheol Kim, Min Seok Noh
  • Patent number: 9973310
    Abstract: A method for transmitting an aperiodic sounding reference signal (SRS) to a base station by a user equipment (UE) in a wireless communication system, the method includes receiving, from the base station, an uplink grant or a downlink grant, with an indicator indicating a transmission of the aperiodic SRS; and transmitting, to the base station, the aperiodic SRS in a first uplink subframe; wherein the first uplink subframe is a subframe firstly configured after a second uplink subframe for the aperiodic SRS, wherein, if the uplink grant is received, the second uplink subframe is a subframe in which an uplink data signal scheduled by the uplink grant is transmitted, wherein, if the downlink grant is received, the second uplink subframe is a subframe in which an uplink control signal corresponding to the downlink grant is transmitted.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: May 15, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Min Seok Noh, Jae Hoon Chung, Yeong Hyeon Kwon, Seung Hee Han, Moon Il Lee
  • Publication number: 20180132230
    Abstract: Disclosed are a method and a device for transmitting uplink control information (UCI) by a terminal in a wireless communication system. The UCI transmission method comprises the steps of: generating an encoding information bit stream by performing channel coding for a UCI bit stream; generating complex modulation symbols by performing modulation for the generated encoding information bit stream; spreading the complex modulation symbols in block-wise on the basis of an orthogonal sequence; and transmitting the spread complex modulation symbols to a base station. The encoding information bit stream is generated by a channel coding for circularly repeating the UCI bit stream.
    Type: Application
    Filed: January 4, 2018
    Publication date: May 10, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hee HAN, Ji Woong JANG, Jae Hoon CHUNG, Han Gyu CHO, Yeong Hyeon KWON, Seung Hyun KANG
  • Patent number: 9967862
    Abstract: A method for monitoring a control channel in a multiple carrier system, and a user equipment (UE) therefore are discussed. The method according to one embodiment includes, if an aggregation of carriers is configured and if a carrier indicator field (CIF) is configured, monitoring a plurality of downlink control channels within a plurality of UE-specific search spaces of a first carrier; and receiving downlink control information (DCI) on at least one of the plurality of the downlink control channels, which is successfully decoded, via the first carrier. The DCI includes scheduling information on either a downlink channel or an uplink channel in a second carrier.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: May 8, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: So Yeon Kim, Sung Ho Moon, Jae Hoon Chung, Yeong Hyeon Kwon, Han Gyu Cho
  • Patent number: 9967864
    Abstract: A symbol mapping method for repetition coding is disclosed. The symbol mapping method comprises performing repetition coding on codeword to output repeated codeword symbols, and mapping the repeated codeword symbols with subcarriers located in different localized resource blocks. According to the embodiments of the present invention, it is possible to obtain maximum reliability in a receiving side by mapping codeword bits with subcarriers to reduce the number of bits having low reliability when a transmitting side uses repetition coding. Also, it is possible to improve decoding throughput and obtain channel diversity.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: May 8, 2018
    Assignee: OPTIS CELLULAR TECHNOLOGY, LLC
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Hyun Woo Lee, Sung Ho Moon, Jin Sam Kwak, Dong Cheol Kim, Min Seok Noh
  • Patent number: 9949242
    Abstract: According to one embodiment, a method for transmitting, by a user equipment (UE), information in a wireless communication system includes: determining a first information sequence based on a first cyclically shifted base sequence and a first orthogonal sequence by using a first physical uplink control channel (PUCCH) resource for a first antenna, wherein the first PUCCH resource is obtained based on a channel control element (CCE) index related to a physical downlink control channel (PDCCH) and a parameter configured by a higher layer; determining a second information sequence based on a second cyclically shifted base sequence and a second orthogonal sequence by using a second PUCCH resource for a second antenna, wherein the second PUCCH resource is obtained by adding an offset to the first PUCCH resource; transmitting the first information sequence via the first antenna; and transmitting the second information sequence via the second antenna.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: April 17, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung Hee Han, Sung Ho Moon, Hyun Soo Ko, Jae Hoon Chung, Moon Il Lee, Yeong Hyeon Kwon
  • Patent number: 9948442
    Abstract: A method for transmitting control information via a PUCCH in a wireless communication system and an apparatus for performing the method are provided, the method including joint-coding a plurality of pieces of control information to obtain a single code word; obtaining a first modulated symbol sequence from the single code word; obtaining a plurality of second modulated symbol sequences corresponding to each slot in the PUCCH from the first modulated symbol sequence; cyclically shifting the plurality of second modulated symbol sequences in a time domain to obtain a plurality of third modulated symbol sequences; performing a Discrete Fourier Transform (DFT) precoding process on the plurality of third modulated symbol sequences to obtain a plurality of complex symbol sequences in a frequency domain; and transmitting the plurality of complex symbol sequences via the PUCCH.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: April 17, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung Hee Han, Sung Ho Moon, Jae Hoon Chung, Moon Il Lee, Yeong Hyeon Kwon
  • Patent number: 9942863
    Abstract: A method for transmitting a signal for cell searching in a mobile communication system having a multi-cell environment includes transmitting the signal to one or more receiving party devices within a cell, wherein the signal is used for a synchronization of the one or more receiving party devices within the cell, the signal is defined by a combination of a first code sequence derived from a first index and a second code sequence derived from a second index, and an identity of the cell is used for defining the combination of the first code sequence and the second code sequence.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: April 10, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon
  • Patent number: 9930640
    Abstract: A method for receiving feedback information by a user equipment (UE) includes: receiving scheduling information from a base station through a first downlink component carrier linked with a first uplink component carrier; determining resources on a second uplink component carrier other than the first uplink component carrier using said scheduling information, wherein said scheduling information allows cross-carrier scheduling which schedules the resources on the second uplink component carrier; transmitting data to the base station through the determined resources on the second uplink component carrier; determining a PHICH (a Physical Hybrid ARQ Indicator Channel) resource to receive feedback information for the data transmitted on the second uplink component carrier, wherein the PHICH resource is predetermined as that of the first downlink component carrier in which the scheduling information was received; and receiving the feedback information from the base station through the determined PHICH resource.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: March 27, 2018
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Jae Hoon Chung, Yeong Hyeon Kwon, Seung Hee Han, Moon Il Lee
  • Patent number: 9924500
    Abstract: A method is provided for transmitting control information from a terminal in a wireless communication system. Physical downlink shared channels (PDSCHs) are received on a primary component carrier and PDSCHs are received on a secondary component carrier. The primary component carrier and the secondary component carrier are configured for the terminal. A first acknowledgement (ACK)/negative acknowledgement (NACK) feedback is transmitted for the received PDSCHs on a first physical uplink control channel (PUCCH) resource corresponding to a first antenna port and a second ACK/NACK feedback is transmitted for the received PDSCHs on a second PUCCH resource corresponding to a second antenna port. The first antenna port and the second antenna port are configured for the terminal. The first ACK/NACK feedback and the second ACK/NACK feedback are identical.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: March 20, 2018
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, So Yeon Kim, Sung Ho Moon, Jae Hoon Chung, Seung Hee Han
  • Publication number: 20180069738
    Abstract: Provided is a method and device for signal transmission having good PAPR/CM characteristics. With regard to one aspect of said method, the method for transmitting a reference signal in a wireless communication signal comprises a step wherein a reference signal sequence is generated, a step wherein said reference signal sequence is divided with respect to each of multiple sub-blocks, a step wherein each of said plurality of divided reference signal sequence is subject to circular shifting, and a step wherein said plurality of circular shifted reference signals are transmitted via said plurality of sub-blocks.
    Type: Application
    Filed: November 9, 2017
    Publication date: March 8, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hee HAN, Jin Sam KWAK, Jae Hoon CHUNG, Min Seok NOH, Yeong Hyeon KWON
  • Patent number: 9906387
    Abstract: An apparatus for receiving signals includes a receiver for receiving a time domain signal from a transmitter, wherein at least one first information bit is mapped, resulting in at least one first mapped symbol; at least one second information bit is mapped, resulting in at least one second mapped symbol; the at least one second mapped symbol is multiplied by at least one third information bit; and the time domain signal is generated from the at least one first mapped symbol and the at least one second mapped symbol.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: February 27, 2018
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Min Seok Noh, Young Woo Yun
  • Patent number: 9900869
    Abstract: Disclosed are a method and a device for transmitting uplink control information (UCI) by a terminal in a wireless communication system. The UCI transmission method comprises the steps of: generating an encoding information bit stream by performing channel coding for a UCI bit stream; generating complex modulation symbols by performing modulation for the generated encoding information bit stream; spreading the complex modulation symbols in block-wise on the basis of an orthogonal sequence; and transmitting the spread complex modulation symbols to a base station. The encoding information bit stream is generated by a channel coding for circularly repeating the UCI bit stream.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: February 20, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung Hee Han, Ji Woong Jang, Jae Hoon Chung, Han Gyu Cho, Yeong Hyeon Kwon, Seung Hyun Kang
  • Publication number: 20180041299
    Abstract: Disclosed is a data transmission method in a mobile communication system. The data transmission method through a code sequence in a mobile communication system includes grouping input data streams into a plurality of blocks consisting of at least one bit so as to map each block to a corresponding signature sequence, multiplying a signature sequence stream, to which the plurality of blocks are mapped, by a specific code sequence, and transmitting the signature sequence stream multiplied by the specific code sequence to a receiver.
    Type: Application
    Filed: October 20, 2017
    Publication date: February 8, 2018
    Inventors: Yeong Hyeon KWON, Seung Hee HAN, Hyun Hwa PARK, Dong Cheol KIM, Hyun Woo LEE, Min Seok NOH
  • Patent number: 9872283
    Abstract: Disclosed are a repeater for receiving signals from a base station in a wireless communication system, and a signal receiving method. The base station reports, to each repeater, information on the aggregation level of a relay-control channel element (R-CCE) of a relay-physical downlink control channel (R-PDCCH) via an explicit signaling method or implicit signaling method. In the event the base station reports via an explicit signaling method, the repeater receives, from the base station, information on the aggregation level of R-CCE which is a transmission unit of R-PDCCH, wherein the information contains control information for the repeater. Then, the repeater decodes an R-PDCCH region on an R-CCE aggregation level basis in accordance with the received R-CCE aggregation level information.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: January 16, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyu Jin Park, Sung Ho Moon, Yeong Hyeon Kwon, Jae Hoon Chung
  • Patent number: 9860892
    Abstract: The present invention relates to wideband wireless access system, and more particularly to an effective method for transmitting control information during the combination of multiple carriers. As one embodiment of the present invention, there is provided a method by which a base station allocates a carrier to a terminal in a wideband wireless access system supporting multiple carriers, the method comprising: transmitting, to the terminal, a terminal specific or terminal group specific carrier allocation information that includes information about at least one of control information and data; and transmitting, to the terminal, a carrier combination control information that includes information about a change in the at least one candidate carrier available.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: January 2, 2018
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Jae Hoon Chung, Yeong Hyeon Kwon, Seung Hee Han
  • Patent number: 9860891
    Abstract: The present invention relates to wideband wireless access system, and more particularly to an effective method for transmitting control information during the combination of multiple carriers. As one embodiment of the present invention, there is provided a method by which a base station allocates a carrier to a terminal in a wideband wireless access system supporting multiple carriers, the method comprising: transmitting, to the terminal, a terminal specific or terminal group specific carrier allocation information that includes information about at least one of control information and data; and transmitting, to the terminal, a carrier combination control information that includes information about a change in the at least one candidate carrier available.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: January 2, 2018
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Jae Hoon Chung, Yeong Hyeon Kwon, Seung Hee Han