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: 9054930
    Abstract: A method for performing a wireless communication between a UE and a BS in a wireless communication system supporting a first UE using a single frequency band and a second UE using a plurality of frequency bands, to each of which OFDM is applied, is disclosed. The method includes being allocated one or more downlink component carriers for the second UE from the BS, and receiving the one or more downlink component carriers from the BS by the second UE. The one or more downlink component carriers are cyclically shifted by different cyclic shift values and the cyclic shifting is performed by multiplying each of the one or more downlink component carriers by a linear phase having a different inclination.
    Type: Grant
    Filed: January 4, 2010
    Date of Patent: June 9, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Jae Hoon Chung, Yeong Hyeon Kwon, Dae Won Lee, Ki Jun Kim, Seung Hee Han
  • Publication number: 20150156765
    Abstract: A method and a wireless station are described for receiving signals. The wireless station receives from a base station configured to use at least one of a plurality of time division duplex (TDD) uplink-downlink (UL-DL) subframe configurations, each of which indicates locations of at least one DL subframe and at least one UL subframe in a radio frame, a signal including information indicating that at least one uplink subframe indicated by the at least one of the plurality of TDD UL-DL subframe configurations is reconfigured as a DL subframe. The wireless station receives, from the base station, DL data on the UL subframe according to the signal.
    Type: Application
    Filed: February 5, 2015
    Publication date: June 4, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Byoung Hoon KIM, Yeong Hyeon KWON, Han Byul SEO, Jae Hoon CHUNG, Young Woo YUN, Dae Won LEE
  • Publication number: 20150146663
    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: Application
    Filed: January 28, 2015
    Publication date: May 28, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Moon Il LEE, Jae Hoon CHUNG, Hyun Soo KO, Bin Chul IHM, Yeong Hyeon KWON
  • Publication number: 20150146609
    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: Application
    Filed: January 9, 2015
    Publication date: May 28, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyu Jin PARK, Sung Ho MOON, Yeong Hyeon KWON, Jae Hoon CHUNG
  • Patent number: 9042410
    Abstract: Disclosed is a method for conducting communication using a frame structure which supports two or more wireless communication schemes, and an apparatus using the method. A method for constructing an FDD frame according to the present invention efficiently supports a legacy system and an enhanced system using an H-FDD frame structure. Further, the method for constructing an FDD frame according to the present invention efficiently supports a terminal and an H-FDD terminal, which use different communication systems.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: May 26, 2015
    Assignee: LG Electronics Inc.
    Inventors: Dong Guk Lim, Sung Ho Moon, Han Gyu Cho, Yeong Hyeon Kwon, Jin Sam Kwak
  • Publication number: 20150139126
    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: Application
    Filed: November 18, 2014
    Publication date: May 21, 2015
    Inventors: Kyu Jin PARK, Sung Ho MOON, Jae Hoon CHUNG, Seung Hee HAN, Yeong Hyeon KWON, Han Gyu CHO
  • Patent number: 9037736
    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: Grant
    Filed: September 6, 2013
    Date of Patent: May 19, 2015
    Assignee: Evolved Wireless LLC
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Hyun Hwa Park, Dong Cheol Kim, Hyun Woo Lee, Min Seok Noh
  • Patent number: 9036572
    Abstract: Provided are a measurement reporting method and device in a wireless communications system. A mobile station receives data relating to a measurement set for K (M?N) component carriers to be measured from among N component carriers, from a base station. The mobile station measures the K component carriers. The mobile station then reports the results of the measurement of the K component carriers to the base station.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: May 19, 2015
    Assignee: LG Electronics Inc.
    Inventors: So Yeon Kim, Han Gyu Cho, Sung Ho Moon, Yeong Hyeon Kwon, Jae Hoon Chung
  • Patent number: 9036562
    Abstract: A method for transmitting Acknowledgement/Negative-Acknowledgement (ACK/NACK) state information in a wireless communication system, the method including receiving, by a user equipment (UE), multiple transmission blocks through multiple downlink component carriers from a base station (BS); transmitting, by the UE, multiple transmission block ACK/NACK state information through a single uplink component carrier to the BS. The multiple transmission block ACK/NACK state information indicates at least two different numbers of ACK responses among ACK/NACK responses corresponding to each of the multiple transmission blocks.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: May 19, 2015
    Assignee: LG Electronics Inc.
    Inventors: Yeong Hyeon Kwon, Jae Hoon Chung, Seung Hee Han, So Yeon Kim
  • Publication number: 20150131586
    Abstract: Provided is a method for transmitting, by a user equipment (UE), a demodulation reference signal (DMRS) for a physical uplink shared channel (PUSCH) in a wireless communication system. A terminal receives a cyclic shift field, which indicates a first value and a second value, through a physical downlink control channel (PDCCH) from a base station, generates a first DMRS sequence and a second DMRS sequence, which are associated with a first layer and a second layer respectively, by using a first cyclic shift and a second cyclic shift, respectively, which are determined based on the first value and the second value respectively, and transmits the first DMRS sequence and the second DMRS sequence to the base station. Furthermore, the first value and the second value are separated by a maximum value corresponding to a total number of possible cyclic shifts.
    Type: Application
    Filed: January 16, 2015
    Publication date: May 14, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Min Seok NOH, Jae Hoon CHUNG, Yeong Hyeon KWON, Hyun Soo KO, Seung Hee HAN, Moon Il LEE
  • Publication number: 20150131598
    Abstract: A method for transmitting, by a base station, signals in a communication system. Control information for a subsidiary carrier band is transmitted to a mobile station via a primary carrier band. Data is transmitted to the mobile station via the subsidiary carrier band based on the control information and via the primary carrier band. Furthermore, the primary carrier band is a carrier frequency band which the mobile station initially attempts to access or via which information of a carrier aggregation configuration is transmitted. Additionally, the control information includes a logical index assigned to the subsidiary carrier band for the mobile station and a physical index of a frequency allocation band used as the subsidiary carrier band. The physical index corresponds to one of plural absolute frequency band indexes assigned to frequency allocation bands available in the communication system.
    Type: Application
    Filed: January 20, 2015
    Publication date: May 14, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung Hee HAN, Jin Young CHUN, Wook Bong LEE, Min Seok NOH, Jin Sam KWAK, Yeong Hyeon KWON, Hyun Woo LEE, Jin Soo CHOI, Dong Cheol KIM, Sung Ho MOON, Bin Chul IHM, Moon Il LEE
  • Patent number: 9031004
    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 17, 2014
    Date of Patent: May 12, 2015
    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: 9031569
    Abstract: A method for identifying a MBSFN (Multimedia Broadcast multicast service Single Frequency Network) subframe at a user equipment (UE) in a wireless communication system is disclosed. Receiving module may receive receiving a subframe type information from an base station (BS). Receiving module may receive type information of the MBSFN subframe. The identifying module may identify an index of a MBSFN subframe based on the received subframe type information. The identifying module may identify a type of the MBSFN subframe based on the received type information of the MBSFN subframe. Decoding module may decode only a physical control channel region of the MBSFN subframe based on the identified type of the MBSFN subframe. Alternatively, Decoding module may decode the MBSFN subframe if the identified type of the MBSFN subframe is a decodable type or a known type.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: May 12, 2015
    Assignee: LG Electronics, Inc.
    Inventors: Yeong Hyeon Kwon, Kyu Jin Park, Han Gyu Cho, Jae Hoon Chung
  • Patent number: 9031052
    Abstract: Disclosed herein is a method of generating an uplink reference signal in a system supporting a plurality of uplink access schemes. The method includes, at a base station, transmitting reference signal configuration information indicating the configuration of a reference signal to be transmitted in uplink, which is generated according to the plurality of uplink access schemes, to a user equipment which is set to operate in an uplink access scheme corresponding to the information, and receiving a subframe including the reference signal generated based on the reference signal configuration information from the user equipment. The reference signal configuration information includes a cyclic shift value of a sequence of the reference signal.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: May 12, 2015
    Assignee: LG Electronics Inc.
    Inventors: Jae Hoon Chung, Min Seok Noh, Yeong Hyeon Kwon, Hyun Soo Ko, Seung Hee Han, Moon Il Lee
  • Patent number: 9025473
    Abstract: A method and apparatus for transmitting a channel quality indicator (CQI) in a wireless communication system are provided. The method includes: receiving a CQI request message requesting a CQI report over a first downlink component carrier; and transmitting a CQI for at least one second downlink component carrier over an uplink component carrier.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: May 5, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hyun Soo Ko, Moon Il Lee, Jae Hoon Chung, So Yeon Kim, Yeong Hyeon Kwon
  • Patent number: 9019811
    Abstract: A method and apparatus of generating a ranging preamble code in a wireless communication system comprises generating a Zadoff-Chu (ZC) sequence in which a cyclic shift is applied to each of a plurality of orthogonal frequency division multiple access (OFDMA) symbols as a ranging preamble code, wherein the cyclic shift is applied for each OFDMA symbol.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: April 28, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hyun Woo Lee, Han Gyu Cho, Jin Sam Kwak, Yeong Hyeon Kwon
  • Patent number: 9014073
    Abstract: A method for wireless backhaul communication between a base station and a relay is disclosed. The base station enables a physical control channel to be set up, separately from the terminal that is used to transmit control information to each relay and the physical downlink control channel that has been set up. The base station can transmit data to the relay based on this control information. In a special embodiment, physical downlink control channel transmissions can be minimized by prescribing in advance the transmission of control information between the base station and the relay.
    Type: Grant
    Filed: December 24, 2009
    Date of Patent: April 21, 2015
    Assignee: LG Electronics Inc.
    Inventors: Kyu Jin Park, Jae Hoon Chung, Han Kyu Cho, Yeong Hyeon Kwon, Sung Ho Moon
  • Patent number: 9014127
    Abstract: The present invention relates to a wireless communication system, and more specifically, to a method and an apparatus for transmitting an RS (Reference Signal) from a transmission end. The present invention relates to an RS transmission method and an apparatus therefore, comprising the steps of: confirming RS resources which are defined according to each layer; and transmitting the precoded RS for the layers to a receiving end through a multiple antenna, wherein the RS resource includes a 1st index for indicating an RS resource pattern group in which the precoded RS is mapped within a resource block and a 2nd index for indicating a code resource for multiplexing the precoded RSs within the RS resource pattern group.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: April 21, 2015
    Assignee: LG Electronics Inc.
    Inventors: Jae Hoon Chung, Hyun Soo Ko, Moon Il Lee, Yeong Hyeon Kwon
  • Publication number: 20150103796
    Abstract: The present invention relates to a method for generating an uplink reference signal in a system supporting plural uplink-access transmission modes. The method comprises: a step for transmitting the reference signal configuration information about the configuration of a reference signal from a base station to a user device through an uplink grant PDCCH (Physical Downlink Control Channel), and a step for receiving from the user device a sub-frame including the reference signal that is generated based on the reference signal configuration information. The reference signal configuration information is prepared for plural uplink access transmission modes and includes a cyclic shift value for the sequence of the reference signal. The reference signal is supposed to be transmitted to an uplink, and the user device is set up to be operated in the uplink-access transmission mode that corresponding to the reference signal configuration information.
    Type: Application
    Filed: December 18, 2014
    Publication date: April 16, 2015
    Inventors: Jae Hoon Chung, So Yeon Kim, Yeong Hyeon Kwon, Hyun Soo Ko, Seung Hee Han, Moon II Lee
  • Patent number: 9007987
    Abstract: The invention relates to a method of transmitting an uplink signal at a communication apparatus in a wireless communication system.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: April 14, 2015
    Assignee: LG Electronics Inc.
    Inventors: Kyu Jin Park, Han Gyu Cho, Yeong Hyeon Kwon, Jae Hoon Chung