Patents by Inventor Jiwoong JANG

Jiwoong JANG 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: 9197389
    Abstract: Methods and devices for transmitting or receiving channel quality control information through a physical uplink shared channel (PUSCH) in a wireless access system that supports hybrid automatic retransmit request (HARQ) are discussed. The method in one embodiment performed by a user equipment (UE) includes receiving a physical downlink control channel (PDCCH) signal including an initial uplink grant, transmitting uplink data using two transport blocks based on the initial uplink grant, receiving a negative acknowledgement (NACK) information for one of the two transport blocks, and transmitting a channel quality control information along with the one of the two transport blocks which is retransmitted according to the NACK information or a new transport block through the PUSCH to which the HARQ is applied. A number of coded symbols required to transmit the channel quality control information (Q?) is calculated based on the initial uplink grant.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: November 24, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jiwoong Jang, Jaehoon Chung, Minseok Noh, Hyunsoo Ko
  • Patent number: 9191934
    Abstract: A method of coding and transmitting channel quality control information through a physical uplink control channel (PUCCH) is disclosed. The method of transmitting channel state control information (CQI and/or PMI) in a wireless access system includes performing channel coding with respect to the channel state control information according to a payload size of the channel state control information, performing rate matching with respect to the channel state control information coded through channel coding according to physical uplink control channel (PUCCH) format 3, and transmitting the channel state control information using the PUCCH format 3.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: November 17, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jiwoong Jang, Jaehoon Chung, Seunghee Han, Hyunsoo Ko, Moonil Lee
  • Patent number: 9191961
    Abstract: The present invention pertains to a method for allocating wireless resources used in device-to-device communication in a wireless access system which supports device-to-device communication, and a device therefore. Specifically, the invention includes a step for receiving resource control information through a control channel from a base station during device-to-device communication of a first device and a second device, and a step for allocating wireless resources which do not interfere in the device-to-device communication of another device and the second device by using resource control information of the first device when interference with another device occurs due to device-to-device communication of the first device and the second device.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: November 17, 2015
    Assignee: LG Electronics Inc.
    Inventors: Jiwoong Jang, Dongguk Lim, Hangyu Cho
  • Patent number: 9191176
    Abstract: The present invention relates to a method for transmitting channel quality control information using two transmission blocks in a wireless access system that supports hybrid automatic retransmit request (HARQ). The method for transmitting channel quality control information according to one embodiment of the present invention comprises: a step in which a terminal receives a physical downlink control channel (PDCCH) signal including downlink control information (DCI); a step of calculating, using the DCI, the number (Q?) of encoded symbols required for transmitting channel quality control information; and a step of transmitting the channel quality control information via the physical downlink control channel (PDCCH) based on the number of encoded symbols.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: November 17, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jiwoong Jang, Jinmin Kim, Seunghee Han, Jaehoon Chung
  • Patent number: 9191170
    Abstract: In the present invention, disclosed are a method for transceiving a reference signal in a wireless access system supporting device-to-device communication, and apparatus for same. More particularly, comprised are the steps of: a first device transmitting the reference signal for aligning device-to-device synchronization with a second device; and the first device performing device-to-device communication with the second device performing device-to-device synchronization with the second device after obtaining synchronization with the second device, wherein the reference signal is mapped on a predetermined symbol inside a resource that is allocated for device-to-device communication with the second device.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: November 17, 2015
    Assignee: LG Electronics Inc.
    Inventors: Jiwoong Jang, Hyunsoo Ko, Hangyu Cho
  • Patent number: 9166758
    Abstract: A user equipment (UE) transmits uplink control information (UCI) of 3 bits or more to a base station (BS) after modulating the UCI into 1-bit or 2-bit sub-UCI units. Here, the UE maps each 1-bit or 2-bit sub-UCI unit to one of a plurality of corner constellation points regardless of modulation order of data which is multiplexed with the UCI. The corner constellation points are points having a maximum Euclidean distance from among a plurality of constellation points corresponding to the modulation order.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: October 20, 2015
    Assignee: LG Electronics Inc.
    Inventors: Moonil Lee, Jiwoong Jang, Jaehoon Chung, Seunghee Han, Hyunsoo Ko
  • Publication number: 20150296443
    Abstract: The present invention discloses a method and apparatus for performing device-to-device (D2D) communication in a wireless access system supporting the D2D communication. More specifically, the method comprises the steps of: receiving, from a base station (BS), information regarding a discovery reference signal (DRS) transmitted from a mobile station (MS) which communicates using a cellular network; monitoring DRSs transmitted from one or more neighboring MSs; generating a list of the one or more neighboring MSs; transmitting the generated list of the one or more neighboring MSs to the BS; receiving, from the BS, information regarding resources allocated for the D2D communication; and performing the D2D communication with another BS by using the allocated resources.
    Type: Application
    Filed: August 16, 2012
    Publication date: October 15, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Dongguk Lim, Jiwoong Jang, Hangyu Cho
  • Patent number: 9160486
    Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transmitting uplink control information in a wireless communication system. A method for multiplexing uplink control information and uplink data and for transmitting the multiplexed uplink control information and uplink data according to one embodiment of the present invention comprises the following steps: encoding a first transmission block and a second transmission block to generate a first codeword and a second codeword; mapping the first codeword and the second codeword to one or more layers, respectively; and transmitting, via one or more antenna ports, each layer to which the first codeword and the second codeword are mapped, wherein the uplink control information is multiplexed only to either the first transmission block or to the second transmission block.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: October 13, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hyunsoo Ko, Moonil Lee, Jaehoon Chung, Seunghee Han, Jiwoong Jang
  • Patent number: 9161284
    Abstract: A method for performing handover at a mobile terminal which moves along an established path in a wireless communication system includes transmitting an indicator indicating a handover type to a serving base station without performing measurement with respect to neighboring base stations and movement path information and transmitting current position information of the mobile terminal to the serving base station.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: October 13, 2015
    Assignee: LG Electronics Inc.
    Inventors: Dongguk Lim, Dongcheol Kim, Kyujin Park, Jiwoong Jang, Hangyu Cho, Jiwon Kang, Sungho Park
  • Patent number: 9155002
    Abstract: A method and apparatus for performing a handover during a device-to-device communication in a wireless access system are disclosed. More particularly, the method comprises: a first device sensing a handover state by considering a link quality with a second device while performing device-to-device communication with the second device; the first device measuring channel quality with respect to neighboring devices by using a reference signal that is transmitted from the neighboring devices; the first device transmitting a handover request message to a relay device in order to start handover the relay device selected from the neighboring devices based on measuring channel quality; the first device receiving from the relay device a handover completion message indicating the completion of resource allocation; and the first device performing the device-to-device communication with the second device by using a resource that is allocated by the relay device.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: October 6, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jiwoong Jang, Hangyu Cho
  • Patent number: 9143971
    Abstract: A method for estimating a location of a mobile station includes transmitting a position request signal, including at least departure time information or an identifier of the mobile station, to an AP by synchronizing with the AP, receiving first position information, including at least a calculated first location of the mobile station or a calculated first distance between the mobile station and the AP and departure time information of a position response signal, from the AP, calculating a ToA of a signal between the mobile station and the AP based on the departure time information of the position response signal, calculating at least a second distance between the mobile station and the AP or a second location of the mobile station using the ToA, and determining a final location of the mobile station based on the first position information and at least the second distance or the second location.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: September 22, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongguk Lim, Dongcheol Kim, Jiwoong Jang, Hangyu Cho, Jiwon Kang, Sungho Park
  • Publication number: 20150256318
    Abstract: A method and user equipment (UE) for transmitting a signal to a base station in a multi-antenna wireless communication system are discussed. The method can include mapping interleaver input vector sequences to an interleaver matrix, wherein each of the interleaver input vector sequences comprises vectors having a bit size of NL·Qm, wherein Qm is a modulation order and NL is a number of transmission layers, reading out the interleaver matrix column by column for obtaining output bit sequences, and transmitting the output bit sequences through the transmission layers to the base station.
    Type: Application
    Filed: May 20, 2015
    Publication date: September 10, 2015
    Applicant: LG Electronics Inc.
    Inventors: Jiwoong JANG, Moonil LEE, Hyunwoo LEE, Jaehoon CHUNG, Seunghee HAN, Hyunsoo KO
  • Patent number: 9113305
    Abstract: A positioning method of estimating a location of a user equipment (UE) in a wireless network is disclosed. The positioning method includes performing positioning using a global positioning system (GPS)-based signal, checking whether the UE is located indoors based on received signal intensity of the GPS-based signal, and changing a positioning method using the GPS-based signal to a positioning method using a local area network (LAN)-based signal when it is determined that the UE is located indoors, and performing a positioning using the changed positioning method using the LAN-based signal.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: August 18, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongguk Lim, Dongcheol Kim, Jiwoong Jang, Hangyu Cho, Jiwon Kang, Sungho Park
  • Patent number: 9113459
    Abstract: A method for transmitting information data by using a Reed-Muller coding scheme in a wireless communication system is provided. The method includes configuring a number of resource elements for transmitting the information data; generating coded information data having a specific bit size by applying RM coding to the information data; performing rate matching to the coded information data so that the rate-matched information data can correspond to the configured resource elements; and transmitting the rate-matched information data by using the configured number of resource elements, where a minimum value Q?min for the number of resource elements is defined based upon a bit size (O) of the information data and based upon a bit size per symbol (Qm) in accordance with a modulation order.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: August 18, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jiwoong Jang, Jaehoon Chung, Moonil Lee, Hyunsoo Ko
  • Patent number: 9106398
    Abstract: A method for transmitting information data by using a Reed-Muller coding scheme in a wireless communication system is disclosed. The method includes configuring a number of resource elements for transmitting the information data; dividing the information data to first information data and second information data if a bit size O of the information data is equal to or larger than a predetermined number; applying RM coding on each of the first information data and the second information data; concatenating the coded first information data and the coded second information data, and transmitting the concatenated data by using the predetermined number of resource elements, wherein a minimum value Q?min for the number of resource elements is defined by a sum of a minimum value Q?min—1 for the number of resource elements corresponding to the first information data and a minimum value Q?min—2 for the number of resource elements corresponding to the second information data.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: August 11, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jiwoong Jang, Moonil Lee, Jaehoon Chung, Seunghee Han, Hyunsoo Ko
  • Patent number: 9100972
    Abstract: A method for controlling inter-cell interference in a wireless communication system that supports a plurality of component carriers (CCs) according to the present invention comprises the following steps: receiving priority information on the interference protection for each of a plurality of component carriers from at least one neighboring base station; measuring an intensity of the signal received from the at least one neighboring base station; and generating priority information for interference protection for each of a plurality of component carriers constructed for the base station, based on the received priority information and the measured intensity of the signal received from the at least one neighboring base station.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: August 4, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jinmin Kim, Sungho Moon, Soyeon Kim, Jiwoong Jang
  • Patent number: 9100954
    Abstract: The present invention relates to a method for transmitting response information on downlink data through multiple information blocks to be bundled in a wireless system in a time division duplex (TDD) mode. The method for transmitting response information according to the present invention comprises the following steps: coding response information on the downlink data; scrambling the coded response information; and transmitting the scrambled response information to a base station, wherein, if a portion of the bits of the coded response information are information bits that indicate ACK/NACK on the downlink data, the scrambling step involves scrambling the coded response information using a specific scrambling sequence, and the specific scrambling sequence includes information on the number of information blocks to be bundled.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: August 4, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jiwoong Jang, Seunghee Han, Jaehoon Chung, Jinmin Kim, Hyunwoo Lee
  • Publication number: 20150200722
    Abstract: A method and apparatus for transmitting an uplink signal in a wireless communication system are disclosed.
    Type: Application
    Filed: June 5, 2013
    Publication date: July 16, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Jiwon Kang, Dongcheol Kim, Jiwoong Jang, Hangyu Cho, Sungho Park, Dongguk Lim
  • Patent number: 9084259
    Abstract: The present invention discloses methods for maintaining direct device-to-device communication when one device from devices that are in direct device-to-device communication performs a handover, and apparatuses for supporting same. A method for maintaining the direct device-to-device communication in the wireless access system, according to one embodiment of the present invention, comprises the steps of: a second device moving to a second base station of a target cell; and the second device receiving from a first device of serving cell resource allocation information on a newly allocated resource region for direct device-to-device communication, wherein the resource allocation information can be received through an existing device-to-device link (D2D link), which is formed for direct device-to-device communication between the second device and the first device.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: July 14, 2015
    Assignee: LG Electronics Inc.
    Inventors: Jiwoong Jang, Hangyu Cho
  • Patent number: 9078189
    Abstract: A method of performing inter-mobile station (MS) handover in a radio access system and an MS therefor are disclosed. The method includes a first MS receiving an inter-MS handover indication message from a base station (BS) while performing inter-MS communication with a second MS, and the first MS performing inter-MS handover from the second MS to another MS according to the inter-MS handover indication message. The inter-MS handover is decided according to channel quality between the first MS and the second MS or channel quality between the second MS and the BS.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: July 7, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jiwoong Jang, Kyujin Park, Hangyu Cho, Dongcheol Kim, Dongguk Lim