Patents by Inventor Hyeon KWON

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: 8902802
    Abstract: Disclosed are a terminal device for receiving a signal in a wireless communication system for supporting a plurality of component carriers and a method thereof. In the terminal device for receiving the signal in the system for supporting the component carriers, a receiver receives a Physical Downlink Control Channel (PDCCH) including control information of a first type component carrier from a base station or a relay. A processor performs a decoding operation or controls an operation in a slip mode on the basis of control information included in a PDCCH in a second type component carrier after a time corresponding to a particular time offset value passes from a transmission time point of the PDCCH.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: December 2, 2014
    Assignee: LG Electronics Inc.
    Inventors: Kyu Jin Park, Sung Ho Moon, Jae Hoon Chung, Seung Hee Han, Yeong Hyeon Kwon, Han Gyu Cho
  • Patent number: 8902935
    Abstract: Provided are a synchronization acquisition method and apparatus in a multi-carrier system. A terminal acquires the synchronization for a first downlink component carrier by detecting a primary synchronization signal (PSS) and a secondary synchronization signal (SSS) in the first downlink component carrier. The terminal acquires the synchronization for a second downlink component carrier by detecting a reference signal in the second downlink component carrier.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: December 2, 2014
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Han Gyu Cho, Jae Hoon Chung, Sung Ho Moon, Seung Hee Han, Yeong Hyeon Kwon
  • Publication number: 20140340381
    Abstract: A display apparatus is disclosed. In one aspect, the apparatus includes a display panel including pixels connected to gate lines and data lines, a gate driver driving the gate lines, a data driver driving the data lines, and a control circuit controlling the gate driver and the data driver to display an image on the display panel. The control circuit applies a common voltage to the display panel. The control circuit compares the common voltage applied to the display panel and a feedback common voltage fedback from the display panel and applies a gate-on voltage having a voltage level corresponding to the compared result to the gate driver.
    Type: Application
    Filed: October 28, 2013
    Publication date: November 20, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yun-Tae Kim, Keunoh Kang, Jae-Hyeon Kwon, Minji Kim, Chaewoo Chung, Jung-Mok Han
  • Patent number: 8891560
    Abstract: A method and device for transmitting uplink control signals in a wireless communication system, the method including: reserving a preassigned scheduling request (SR) physical uplink control channel (PUCCH) resource used for transmission of a SR; determining a frequency domain sequence and an orthogonal sequence based on the preassigned SR PUCCH resource; spreading an ACK/NACK for Hybrid Automatic Repeat Request (HARQ) with the frequency domain sequence and the orthogonal sequence to generate a mapped sequence; and transmitting the mapped sequence.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: November 18, 2014
    Assignee: LG Electronics Inc.
    Inventors: Jin Sam Kwak, Hong Won Park, Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim, Jae Hoon Chung
  • Patent number: 8891651
    Abstract: The present invention provides a data transmission device and method in a wireless communication system. The device comprises a processor which is connected with the M antennas and which is formed so as to generate data to be transmitted through the M antennas, on the basis of a precoding matrix; the precoding matrix is generated based on a plurality of matrices; and a first matrix, which is one matrix among the plurality of matrices, is selected from within a codebook for N antennas (where N<M).
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: November 18, 2014
    Assignee: LG Electronics Inc.
    Inventors: Moon Il Lee, Ja Ho Koo, Hyun Soo Ko, Jae Hoon Chung, Bin Chul Ihm, Yeong Hyeon Kwon
  • Publication number: 20140334376
    Abstract: A method of transmitting control information for a relay node (RN) from an eNode B in a wireless communication system includes transmitting information on a resource region of at least one relay-physical downlink control channel (R-PDCCH) including the control information for the RN and interleaving mode information on an interleaving mode applied to the at least one R-PDCCH to the RN, wherein the resource region of the at least one R-PDCCH is RN-specifically configured.
    Type: Application
    Filed: July 25, 2014
    Publication date: November 13, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyu Jin PARK, Sung Ho MOON, Yeong Hyeon KWON, Jae Hoon CHUNG
  • Patent number: 8885743
    Abstract: A method of transmitting a control signal in a wireless communication system includes allocating a first sequence to spread a first control signal in a radio resource, allocating a second sequence to spread a second control signal in the radio resource, selecting one of the first control signal and the second control signal, generating a spread control signal by spreading the selected control signal, and transmitting the spread control signal in the radio resource, wherein the first sequence and the second sequence use different cyclic shifts of a base sequence.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: November 11, 2014
    Assignee: LG Electronics Inc.
    Inventors: Jin Sam Kwak, Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim
  • Patent number: 8885739
    Abstract: A method and apparatus for transmitting a reference signal in a wireless communication system is provided. CSI-RSs are generated for each of a plurality of antennas. The CSI-RS are mapped to a resource region on a basis of a CSI-RS pattern according to the number of the plurality of antennas. The CSI-RS are transmitted to a user equipment (UE).
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: November 11, 2014
    Assignee: LG Electronics Inc.
    Inventors: Min Seok Noh, Jae Hoon Chung, Yeong Hyeon Kwon
  • Patent number: 8885556
    Abstract: A method of performing hybrid automatic repeat request (HARQ) in a multiple carrier system is provided. A user equipment receives a plurality of downlink data through a plurality of downlink carriers and transmits one acknowledgement (ACK)/not-acknowledgement (NACK) signal for the plurality of downlink data through an uplink carrier. The ACK/NACK signal is an ACK signal when all of the plurality of downlink data are successfully received.
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: November 11, 2014
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Jae Hoon Chung, Yeong Hyeon Kwon, Seung Hee Han
  • Publication number: 20140321346
    Abstract: The present invention relates to a method and to an apparatus for supporting carrier aggregation. More particularly, the present invention relates to a method for enabling user equipment to receive a signal from a base station in a wireless communication system which supports carrier aggregation, wherein said the method comprises the steps of: setting a first component carrier to a paused state; receiving state change information for the first component carrier via the second component carrier during the paused state of the first component carrier; and monitoring a control channel via the first component carrier if the state change information indicates a predetermined value. The present invention also relates to an apparatus for the method.
    Type: Application
    Filed: July 11, 2014
    Publication date: October 30, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Jae Hoon CHUNG, Yeong Hyeon KWON, Seung Hee HAN, So Yeon KIM
  • Patent number: 8873658
    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 21, 2012
    Date of Patent: October 28, 2014
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Min Seok Noh, Young Woo Yun
  • Patent number: 8873673
    Abstract: A method of transmitting, by a transmitter, information in a wireless communication system, the method includes generating first and second symbols; generating first and second transmit vectors on the basis of an Alamouti code from the first and second symbols; and transmitting the first transmit vector through a first antenna and transmitting the second transmit vector through a second antenna. The first transmit vector consists of a first transmit symbol and a second transmit symbol. The second transmit vector consists of a third transmit symbol and a fourth transmit symbol. The first, second, third, and fourth transmit symbols are transmitted based on first and second resource indexes. The first symbol is a first modulation symbol for first information, and the second symbol is a second modulation symbol for second information.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: October 28, 2014
    Assignee: LG Electronics Inc.
    Inventors: Seung Hee Han, Moon II Lee, Yeong Hyeon Kwon, Hyun Soo Ko, Ja Ho Koo, Dong Cheol Kim, Jae Hoon Chung, Sung Ho Moon, Jin Sam Kwak, Min Seok Noh, Hyun Woo Lee
  • Patent number: 8873649
    Abstract: Disclosed are a method for generating a code sequence that can be used for acquisition of initial synchronization, cell detection, channel estimation, etc. in a mobile communication system, and a transmitter. A method for generating a code sequence in a transmitting side of a mobile communication system includes combining at least two code sequences with each other, and converting a code sequence generated by the combining step into a time domain signal.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: October 28, 2014
    Assignee: LG Electronics Inc.
    Inventors: Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon
  • Patent number: 8867441
    Abstract: A wireless apparatus for a multi-carrier system is disclosed. The wireless apparatus comprises; a control channel unit which monitors a control channel transmitted via at least one carrier from among a plurality of carriers; and a data channel unit which transmits or receives data packets to or from a data channel using the resource allocation received from the control channel. The control channel unit monitors the control channel in a plurality of search space in a subframe.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: October 21, 2014
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Jae Hoon Chung, Yeong Hyeon Kwon
  • Patent number: 8867666
    Abstract: Provided are a device and method supporting multi-carrier waves. The device comprises: a multi-carrier control unit for receiving carrier wave allocation data including data relating to allocated carrier waves and deactivating a portion of the carrier waves included in the carrier wave allocation data or else receiving carrier wave control data including data relating to additional carrier waves; and a multi-carrier operation unit which operates using multiple carrier waves allocated on the basis of the carrier wave allocation data and the carrier wave control data. The base station scheduling burden can be reduced and the power consumption of the terminal can be reduced.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: October 21, 2014
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Jae Hoon Chung, Yeong Hyeon Kwon
  • Patent number: 8867430
    Abstract: A method of performing hybrid automatic repeat request (HARQ) by a source station in a wireless communication system is provided. The method includes: transmitting data to a destination station at a transmission start time; receiving an acknowledgment (ACK) or negative-acknowledgement (NACK) signal for the data from the destination station after a first transmission time interval elapses from the transmission start time; and upon receiving the NACK signal, retransmitting the data after a second transmission time interval elapses from the transmission start time, wherein the second transmission time interval is one transmission time interval selected from a plurality of predetermined transmission time intervals. Accordingly, the wireless communication system can perform a heterogeneous HARQ process in which an HARQ period, an ACK/NACK transmission start time, and the like are different.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: October 21, 2014
    Assignee: LG Electronics Inc.
    Inventors: Jae Hoon Chung, So Yeon Kim, Kyu Jin Park, Seung Hee Han, Yeong Hyeon Kwon
  • Patent number: 8867496
    Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method for transmitting control information via a PUCCH in a wireless communication system, and to an apparatus for the method, wherein the method comprises the following steps: 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, from the first modulated symbol sequence, a plurality of second modulated symbol sequences corresponding to each slot in the PUCCH; 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: January 14, 2011
    Date of Patent: October 21, 2014
    Assignee: LG Electronics Inc.
    Inventors: Seung Hee Han, Sung Ho Moon, Jae Hoon Chung, Moon Il Lee, Yeong Hyeon Kwon
  • Patent number: 8861330
    Abstract: A method of transmitting control signals in a wireless communication system includes multiplexing a first control signal with a second control signal in a slot, the slot comprising a plurality of orthogonal frequency division multiplexing (OFDM) symbols in time domain, the plurality of OFDM symbols being divided into a plurality of data OFDM symbols and a plurality of reference signal (RS) OFDM symbols, wherein the first control signal is mapped to the plurality of data OFDM symbols after the first control signal is spread by a base sequence in the frequency domain, the RS is mapped to the plurality of RS OFDM symbols, the second control signal is mapped to at least one of the plurality of RS OFDM symbols, and transmitting the first control signal and the second control signal in the slot.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: October 14, 2014
    Assignee: LG Electronics Inc.
    Inventors: Jin Sam Kwak, Seung Hee Han, Min Seok Noh, Yeong Hyeon Kwon, Hyun Woo Lee, Dong Cheol Kim
  • Patent number: 8862172
    Abstract: A terminal random access procedure is improved by allowing a mobile terminal to correctly map signature indexes onto cyclic shifted Zadoff-Chu (ZC) sequences when the deployed cells support a high-speed mobility by informing a mobile terminal whether a cell supports high-speed mobility.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: October 14, 2014
    Assignee: LG Electronics Inc.
    Inventors: Dragan Vujcic, Yeong Hyeon Kwon
  • Patent number: 8862157
    Abstract: The present invention relates to a method for determining position of a user equipment in a wireless mobile communication system. The method comprises receiving a plurality of subframes including reference signals for positioning of the user equipment from a plurality of base stations periodically with a predetermined period of time; and determining position of the user equipment using reference signal time difference (RSTD) between the reference signals for positioning of the user equipment included in the received plurality of subframes, wherein a pattern of the reference signals for positioning of the user equipment is generated by repeating a diagonal mother matrix with dimension of 6×6, the pattern of the reference signals are mapped to orthogonal frequency division multiplexing (OFDM) symbols of the subframe, and the reference signals for positioning of the user equipment in a OFDM symbol in which common reference signal (CRS) is transmitted are punctured.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: October 14, 2014
    Assignee: LG Electronics Inc.
    Inventors: Seung Hee Han, Jae Hoon Chung, Yeong Hyeon Kwon