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).

  • APPARATUS AND METHOD FOR PERFORMING COMMUNICATION USING H-FDD FRAME STRUCTURE IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20120127898
    Abstract: Disclosed are an apparatus and a method for performing communication using a half-frequency division duplex (H-FDD) frame structure in a mobile communication system. A user equipment for performing communication using an H-FDD frame structure according to the present invention comprises an RF unit in which each user equipment group receives and transmits signals using the H-FDD frame structure wherein the order of the downlink zone and uplink zone are reversely allocated to each of the groups. The downlink zone and uplink zone, which are allocated to each of the user equipment groups in the H-FDD frame structure, include a sub-frame wherein one or more symbols are allocated to idle time slots or are punctured. Each of the user equipment groups can receive and transmit signals using symbols that are not allocated to the idle time slots or are not punctured in the sub-frame.
    Type: Application
    Filed: June 17, 2010
    Publication date: May 24, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Dong Guk Lim, Jin Soo Choi, Han Gyu Cho, Jin Sam Kwak, Yeong Hyeon Kwon, Sung Ho Moon
  • METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING A CONTROL FORMAT INDICATOR CHANNEL FOR A RELAY BACKHAUL LINK IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20120121028
    Abstract: The present invention relates to a method and an apparatus for transmitting/receiving a control format indicator channel for a relay backhaul link in a wireless communication system. According to one aspect of the present invention, a method for transmitting a control format indicator channel for a relay backhaul link in a wireless communication system is configured such that a base station generates a relay physical control format indicator channel (hereinafter, referred to as “R-PCFICH”) containing information on a relay physical downlink control channel (hereinafter, referred to as “R-PDCCH”) region, and transmits the R-PCFICH through a first OFDM symbol of the R-PDCCH region.
    Type: Application
    Filed: July 14, 2010
    Publication date: May 17, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: So Yeon Kim, Han Gyu Cho, Sung Ho Moon, Gyu Jin Park, Yeong Hyeon Kwon, Jae Hoon Chung
  • APPARATUS FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION AND SYSTEM INFORMATION FOR REPEATERS AND METHOD THEREOF
    Publication number: 20120120868
    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 26, 2010
    Publication date: May 17, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyu Jin Park, Sung Ho Moon, Yeong Hyeon Kwon, Jae Hoon Chung
  • Method of transmitting scheduling request in a wireless communication system
    Patent number: 8179857
    Abstract: A method of transmitting a scheduling request which is used to request a radio resource for uplink transmission includes configuring an uplink control channel for transmission of a scheduling request in a subframe, the subframe comprising two consecutive slots, a slot comprising a plurality of single carrier-frequency division multiple access (SC-FDMA) symbols, the scheduling request being carried by presence or absence of transmission of the uplink control channel, and transmitting the scheduling request on the uplink control channel.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: May 15, 2012
    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
  • METHOD OF ALLOCATING RESOURCE FOR RELAY
    Publication number: 20120113884
    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: Application
    Filed: December 24, 2009
    Publication date: May 10, 2012
    Inventors: Kyu Jin Park, Jae Hoon Chung, Han Kyu Cho, Yeong Hyeon Kwon, Sung Ho Moon
  • METHOD AND APPARATUS FOR RANDOM ACCESS IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20120113939
    Abstract: The present invention relates to a method and to an apparatus for random access in a wireless communication system to which carrier aggregation is applied. According to one aspect of the present invention, a method in which a base station supports random access of a terminal in a wireless communication system that supports carrier aggregation, comprises a step in which the base station allocates, to the terminal, a dedicated PRACH preamble for a second random access in an uplink component carrier (hereinafter, referred to as UL CC) which is additionally allocated or the configuration of which is changed after a first random access, and receives the dedicated PRACH preamble from the terminal.
    Type: Application
    Filed: July 6, 2010
    Publication date: May 10, 2012
    Applicant: LG Electronics Inc.
    Inventors: So Yeon Kim, Jae Hoon Chung, Yeong Hyeon Kwon
  • METHOD IN WHICH A RECEIVER TRANSMITS CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20120113948
    Abstract: The present invention relates to a method in which a receiver transmits control information in a wireless communication system. The method comprises a step of receiving a plurality of data units from a transmitter, a step of determining acknowledgement/negative-acknowledgement (ACK/NACK) states for each of the data units; and a step of transmitting, to the transmitter, the ACK/NACK states in multiple ACK/NACK states or in a single ACK/NACK state in accordance with a predetermined condition.
    Type: Application
    Filed: July 9, 2010
    Publication date: May 10, 2012
    Inventors: Yeong Hyeon Kwon, So Yeon Kim, Sung Ho Moon, Jae Hoon Chung, Seung Hee Han
  • METHOD FOR GENERATING A REFERENCE SIGNAL SEQUENCE USING GROUPING
    Publication number: 20120106455
    Abstract: A method for a base station to receive a reference signal sequence from one or more devices within a cell of the base station in a multiple cell environment includes providing the one or more devices with information about the reference signal sequence, wherein the reference signal sequence is defined by a cyclic shift of a base sequence, wherein the base sequence is one of a plurality of base sequences divided into groups, wherein each of the groups comprises at least one base sequence for each length (N), wherein each length (N) corresponds to (12*n), (n) being a positive integer, and receiving the reference signal sequence from one or more of the one or more devices.
    Type: Application
    Filed: December 30, 2011
    Publication date: May 3, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Min Seok NOH, Seung Hee HAN, Yeong Hyeon KWON, Hyun Woo LEE, Dong Cheol KIM, Jin Sam KWAK
  • METHOD FOR SENDING AN UPLINK CONTROL SIGNAL ON A WIRELESS COMMUNICATION SYSTEM AND A DEVICE THEREFOR
    Publication number: 20120106438
    Abstract: Disclosed in a method whereby a terminal sends an uplink control signal on a wireless communication system. More specifically, the present invention comprises the steps of generating an uplink control signal, allocating uplink sending resources to the uplink control signal, and sending the uplink control signal to a base station; a time resource in the uplink transmission resources is divided into sub-frame units divided into two slots; at least one of the two slots comprises one reference symbol for transmitting a reference signal; and in the slot comprising the one reference symbol, at least one of a plurality of data symbols for transmitting data signals is dropped.
    Type: Application
    Filed: July 8, 2010
    Publication date: May 3, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Yeong Hyeon Kwon, Min Seok Noh, Kyu Jin Park, Jae Hoon Chung, Seung Hee Han, So Yeon Kim
  • METHOD FOR GENERATING A REFERENCE SIGNAL SEQUENCE USING GROUPING
    Publication number: 20120108279
    Abstract: A method for a base station to receive a reference signal sequence from one or more devices within a cell of the base station in a multiple cell environment includes providing the one or more devices with information about the reference signal sequence, wherein the reference signal sequence is defined by a cyclic shift of a sequence within a sequence group identified by a group index (u), wherein the group index (u) is defined according to the cell in the multiple cell environment, wherein the sequence is given by a cyclic extension of a Zadoff Chu (ZC) sequence having an index (q) and a length (NZCRS), and wherein the index (q) is given by using the group index (u) and the length (NZCRS), and receiving the reference signal sequence from one or more of the one or more devices.
    Type: Application
    Filed: December 30, 2011
    Publication date: May 3, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Min Seok NOH, Seung Hee HAN, Yeong Hyeon KWON, Hyun Woo LEE, Dong Cheol KIM, Jin Sam KWAK
  • SYNCHRONIZATION ACQUISITION METHOD AND APPARATUS IN MULTI-CARRIER SYSTEM
    Publication number: 20120099565
    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: Application
    Filed: June 21, 2010
    Publication date: April 26, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: So Yeon Kim, Han Gyu Cho, Jae Hoon Chung, Sung Ho Moon, Seung Hee Han, Yeong Hyeon Kwon
  • METHOD FOR CONSTRUCTING RACH PREAMBLE AND METHOD FOR TRANSMITTING RACH SIGNAL
    Publication number: 20120099532
    Abstract: A wireless communication system is disclosed. A method for constructing a RACH preamble according to a cell radius of a base station (BS) irrespective of a guard time (GT) and a method for allocating the RACH preamble are disclosed. A method for constructing a preamble of a random access channel (RACH) includes acquiring time-length information of a predetermined cyclic prefix (CP) for each cell radius of a base station (BS), acquiring sequence time-length information of a single sequence or a repeated sequence, and constructing the preamble using the predetermined CP time-length information and the sequence time-length information, irrespective of a time length of a guard time (GT).
    Type: Application
    Filed: December 20, 2011
    Publication date: April 26, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyun Woo LEE, Seung Hee HAN, Min Seok NOH, Jin Sam KWAK, Dragan VUJCIC, Dong Cheol KIM, Yeong Hyeon KWON
  • SIGNAL TRANSMITTING AND RECEIVING METHOD OF REPEATER AND REPEATER USING THE SAME
    Publication number: 20120099520
    Abstract: The present invention relates to a method for a repeater to transmit and receive a signal on a downlink sub frame in a wireless communication system, comprising the steps of: transmitting a first physical downlink control channel (PDCCH) to terminals positioned within a repeater cell on a downlink sub frame; and receiving a second PDCCH or a physical downlink shared channel (PDSCH) from a base station after a first guard time succeeding a first PDCCH section elapses, wherein a second guard time succeeding the PDSCH or the second PDCCH received from the base station is allocated to the downlink sub frame, and the repeater receives the second PDCCH through a certain range of symbols in accordance with information on the predetermined control channel section, which is received from the base station.
    Type: Application
    Filed: July 1, 2010
    Publication date: April 26, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Yeong Hyeon Kwon, Kyu Jin Park, Sung Ho Moon, Seung Hee Han, Jae Hoon Chung
  • APPARATUS FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION FOR REPEATER AND METHOD THEREOF
    Publication number: 20120099518
    Abstract: Disclosed are an apparatus for transmitting and receiving control information for a relay node and a method thereof. The relay node for receiving control information in a wireless communication system comprises: a receiving module for receiving through higher layer signaling from a base station the information on a resource block (RB) which the relay node should search to receive the control information; a processor for detecting the control information from the first RB by blind-decoding at least one received RB which should be searched; and a receiving module for receiving through the first RB from the base station the control information detected by the processor.
    Type: Application
    Filed: June 28, 2010
    Publication date: April 26, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Kyu Jin Park, Sung Ho Moon, Yeong Hyeon Kwon, Jae Hoon Chung
  • METHOD AND APPARATUS FOR TRANSMITTING SOUNDING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20120093119
    Abstract: The present invention provides a method and an apparatus for transmitting a sounding reference signal. A terminal receives from a base station a sounding reference signal (SRS) configuration that includes a cell specific SRS configuration and a terminal specific SRS configuration, via a downlink carrier. The terminal then transmits a sounding reference signal based on the SRS configuration via an uplink carrier that is linked to the downlink carrier.
    Type: Application
    Filed: June 17, 2010
    Publication date: April 19, 2012
    Inventors: So Yeon Kim, Han Gyu Cho, Jae Hoon Chung, Min Seok Noh, Yeong Hyeon Kwon
  • APPARATUS AND METHOD FOR TRANSMITTING DATA USING A PLURALITY OF CARRIERS
    Publication number: 20120093248
    Abstract: A data transmitting and receiving method of transmitting supplementary data in an OFDM communication system is disclosed. The method of transmitting and receiving the OFDM signal includes: mapping an input bit stream into at least one transfer symbol; changing at least one of amplitudes and phases of the transfer symbols that are transmitted by a specific sub-carrier group having a plurality of sub-carriers using constellation modification information to indicate specific additional data; and transmitting the transfer symbols, to which the changing is carried out, to a receiving end by an orthogonal frequency division multiplexing data processing, the constellation modification information being identical to each other with respect to the transfer symbols that are transmitted by the specific sub-carrier group.
    Type: Application
    Filed: October 20, 2011
    Publication date: April 19, 2012
    Inventors: Yeong Hyeon Kwon, Seung Hee Han, Min Seok Noh, Young Woo Yun
  • METHOD FOR TRANSMITTING AND RECEIVING RANDOM ACCESS REQUEST AND TRANSMITTING AND RECEIVING RANDOM ACCESS RESPONSE
    Publication number: 20120093173
    Abstract: A base station transmits a random access response in response to a random access request (random access preamble) of a user equipment. The random access response includes information about a time when the random access request is transmitted and sequence number information of the random access request (random access preamble). The user equipment checks whether the received random access response is the response of the random access request transmitted by the user equipment, using the information about the time when the random access request is transmitted and the sequence number information included in the received random access response.
    Type: Application
    Filed: December 29, 2011
    Publication date: April 19, 2012
    Inventors: Min Seok Noh, Yeong Hyeon Kwon, Jin Sam Kwak, Dong Cheol Kim, Sung Ho Moon, Seung Hee Han, Hyun Woo Lee, Dragan Vujcic
  • CELL SEARCHING METHOD AND APPARATUS IN MULTI-CARRIER SYSTEM
    Publication number: 20120093021
    Abstract: Provided are a cell searching method and an apparatus in a multi-carrier system. A terminal acquires a first physical cell identity (PCI) for a first downlink component carrier, and acquires an expanded PCI for a second downlink component carrier. A first downlink reference signal through the first downlink element carrier is transmitted on the basis of the PCI, and a second downlink reference signal through the second downlink component carrier is transmitted on the basis of the expanded PCI.
    Type: Application
    Filed: July 21, 2010
    Publication date: April 19, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: So Yeon Kim, Han Gyu Cho, Jae Hoon Chung, Sung Ho Moon, Seung Hee Han, Yeong Hyeon Kwon
  • Method for communicating data between mobile station and base station, and mobile communication terminal thereof
    Patent number: 8160101
    Abstract: A method for transmitting and receiving data by a mobile station (MS), a method for transmitting and receiving data by a base station (BS), and a mobile communication terminal are provided. The method for transmitting and receiving data by an MS includes generating an uplink subframe by placing an uplink control channel so as to have a margin with a time allocated to a MAP of a downlink subframe and transmitting the uplink subframe to a BS. A new frame structure compatible with a full duplex FDD MS is applied in a mobile communication system.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: April 17, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jin Sam Kwak, Ki Seon Ryu, Bin Chul Ihm, Yeong Hyeon Kwon
  • METHOD AND APPARATUS FOR SIGNAL TRANSMISSION IN COMP SCHEME
    Publication number: 20120087273
    Abstract: The present system relates to a method for signal transmission in a CoMP scheme. Each cell that performs a CoMP operation in capable of setting and allocating a particular carrier and a particular CoMP zone in order to execute a particular CoMP scheme. Using the particular CoMP zone and the allocated carrier, a terminal can transmit and receive a CoMP signal corresponding to the particular CoMP zone and the allocated carrier. The terminal can perform measurement of a carrier or a particular zone within the carrier and select a carrier or a particular zone, on the basis of the measurement value. On the other hand, a serving base station can select a carrier or a particular zone, on the basis of the measurement value that is received from the terminal.
    Type: Application
    Filed: June 7, 2010
    Publication date: April 12, 2012
    Inventors: Ja Ho Koo, Yeong Hyeon Kwon, Jian Xu, Sung Ho Moon, Bin Chul Ihm, Jae Hoon Chung