Patents by Inventor Dong Youn Seo

Dong Youn Seo 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).

  • METHOD FOR CONTROLLING UPLINK TRANSMISSION POWER AND WIRELESS DEVICE USING SAME
    Publication number: 20160249299
    Abstract: A method for uplink transmission in a wireless communication system, and a user equipment (UE) therefore are discussed. The method according to an embodiment includes determining a transmission power of a first uplink signal; determining a transmission power of a second uplink signal; preparing to transmit the first uplink signal toward a first cell belonging to a first timing advance group (TAG); preparing to transmit the second uplink signal toward a second cell belonging to a second TAG; and if the first uplink signal toward the first cell belonging to the first TAG at an nth subframe and the second uplink signal of the second cell belonging to the second TAG at an (n+1)th subframe are overlapped, determining whether to adjust a total transmission power or drop the first uplink signal at the nth subframe.
    Type: Application
    Filed: April 8, 2016
    Publication date: August 25, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Joon Kui AHN, Suck Chel YANG, Yun Jung YI, Dong Youn SEO
  • METHOD AND APPARATUS FOR ENCODING TRANSPORT BLOCK
    Publication number: 20160234812
    Abstract: A method for encoding a transport block in a wireless communication system, and a wireless apparatus therefore are discussed. The method according to one embodiment includes determining, at a transmitting device, a size of the transport block based on a size of an allocated resource, a number of layers, and modulation and coding scheme (MCS) for the transport block, wherein the size of the transport block is determined from among a plurality of predetermined sizes, wherein the plurality of the predetermined sizes include 305976 bits, 324336 bits, and 391656 bits when the transport block is mapped to four-layer spatial multiplexing and when 256 Quadrature amplitude modulation (QAM) is used for the transport block; and attaching at the transmitting device, a first cyclic redundancy check (CRC) code to the transport block to configure a first CRC-attached transport block.
    Type: Application
    Filed: April 14, 2016
    Publication date: August 11, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Bong Hoe KIM, Dong Youn SEO, Joon Kui AHN
  • METHOD AND APPARATUS FOR TRANSMITTING UPLINK
    Publication number: 20160233992
    Abstract: A method, performed by a user equipment (UE), is provided for uplink transmission. The UE determines transmission power of a sounding reference signal (SRS) toward a first cell belonging to a first timing advance group (TAG) and a physical uplink shared channel (PUSCH) toward a second cell belonging to a second TAG and whether to transmit both the PUSCH and the SRS, or drop the SRS. The UE transmits only the PUSCH but drops the SRS when the UE determines that the plurality of TAGs including the first and second TAGs are configured, that at least one symbol of a first subframe which is used to transmit the SRS toward the second cell of the second TAG is overlapped with a second subframe on which the PUSCH is transmitted toward the first cell of the first TAG and that a total uplink transmission power exceeds a maximum value.
    Type: Application
    Filed: April 13, 2016
    Publication date: August 11, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Joon Kui AHN, Suck Chel YANG, Yun Jung YI, Dong Youn SEO
  • Method and apparatus for controlling transmit power in wireless communication system
    Patent number: 9414322
    Abstract: A method is described for transmitting a control signal in a wireless communication system. A wireless communication system supporting multiple antennas, transmits, by a user equipment (UE), a control signal on an uplink control channel at a subframe i. Furthermore, an uplink transmit power PPUCCH(i) for the uplink control channel at the subframe i is determined based on a mathematical equation. Additionally, the mathematical equation includes a min function and uses parameters including PCMAX(i), P0_PUCCH, ?F_PUCCH(F), g(i), PL, ?(M) and PL where PCMAX(i) is a configured UE transmit power in subframe i, P0_PUCCH is a parameter composed based on provisions by a higher layer, ?F_PUCCH(F) is a parameter provided by the higher layer, PL is a downlink pathloss estimate calculated in the UE, and g(i) is a value relating to a UE specific value.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: August 9, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Joon Kui Ahn, Min Gyu Kim, Dae Won Lee, Suck Chel Yang, Bong Hoe Kim, Dong Youn Seo
  • Method and apparatus for transmitting uplink signal
    Patent number: 9413503
    Abstract: A method and device for transmitting an uplink signal in a wireless communication system is provided. A user equipment transmits a physical uplink shared channel (PUSCH) on a SRS subframe for a first serving cell to a base station if a SRS transmission on the SRS subframe for the first serving cell is overlapped with an uplink transmission for a second serving cell. The PUSCH is transmitted on remaining orthogonal frequency division multiplexing (OFDM) symbols in the SRS subframe except a single OFDM symbol reserved for the SRS transmission regardless of whether a SRS is transmitted on the single OFDM symbol or not.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: August 9, 2016
    Assignee: LG Electronics Inc.
    Inventors: Joon Kui Ahn, Suck Chel Yang, Yun Jung Yi, Dong Youn Seo
  • Operating method in multiple cells, and wireless device using same
    Patent number: 9413514
    Abstract: Provided is an operating method in multiple cells, and a wireless device using same. The wireless device monitors a control channel in each subframe of a normal cell. The wireless device receives information regarding the transmission power of a physical signal of an expanded cell having an unmonitored control channel, and receives the physical signal in the expanded cell.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: August 9, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Joon Kui Ahn, Suck Chel Yang, Min Gyu Kim, Dong Youn Seo
  • Method for scheduling distributed virtual resource blocks
    Patent number: 9408226
    Abstract: In a wireless mobile communication system, user equipment receives downlink data and downlink control information including resource allocation information for the downlink data from a base station. Downlink data is mapped to physical resource blocks (PRBs) based on the downlink control information. The resource allocation information indicates virtual resource block (VRB) allocations for the user equipment. Indexes of PRBs to which the downlink data are mapped are determined based on mapping relationship between VRBs and the PRBs. The mapping relationship is defined such that indexes of the VRBs are mapped to indexes of the PRBs for a first part and a second part of a subframe.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: August 2, 2016
    Assignee: Optis Cellular Technology, LLC
    Inventors: Dong Youn Seo, Eun Sun Kim, Bong Hoe Kim, Joon Kui Ahn
  • Method and device for executing HARQ in TDD-based wireless communication system
    Patent number: 9407416
    Abstract: A method for a base station (BS) to perform a hybrid automatic repeat request (HARQ). The BS transmits an uplink (UL) grant for a first subframe of a second serving cell through a first serving cell. The BS receives UL data based on the UL grant in the first subframe, transmits an acknowledgement/non-acknowledgement (ACK/NACK) for the UL data through a physical HARQ indicator channel (PHICH) in subframe i of the first serving cell and receives non-adaptively retransmitted UL data in a second subframe of the second serving cell if a NACK for the UL data has been transmitted through the PHICH in the subframe i of the first serving cell. The first serving cell and the second serving cell use different UL-DL configurations.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: August 2, 2016
    Assignee: LG Electronics Inc.
    Inventors: Dong Youn Seo, Min Gyu Kim, Han Byul Seo, Joon Kui Ahn, Suck Chel Yang
  • Method and apparatus for transmitting synchronization signal in carrier aggregation system
    Patent number: 9408168
    Abstract: Provided is a method and an apparatus for transmitting a synchronization signal in a carrier aggregation system. The method comprises: transmitting via a first serving cell a synchronization signal setting information with regard to a second serving cell; and transmitting the synchronization signal via the second serving cell, wherein the synchronization signal is variably set by means of the synchronization signal setting information.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: August 2, 2016
    Assignee: LG Electronics Inc.
    Inventors: Dong Youn Seo, Joon Kui Ahn, Min Gyu Kim, Suck Chel Yang, Bong Hoe Kim
  • Method for receiving downlink data and wireless device using same
    Patent number: 9407393
    Abstract: The present invention relates to a method for receiving downlink data and a wireless device using same. The wireless device determines a subframe reception timing difference between a first serving cell and a second serving cell, receives a downlink grant through a downlink control channel of the first serving cell, and receives a downlink transmission block through a downlink shared channel of the second serving cell as instructed by the downlink grant. When the subframe reception timing difference is a predetermined value, at least one orthogonal frequency division multiplexing (OFDM) symbol from among a plurality of OFDM symbols is neglected in a subframe where the downlink shared channel is received.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: August 2, 2016
    Assignee: LG Electronics Inc.
    Inventors: Joon Kui Ahn, Suck Chel Yang, Dong Youn Seo
  • METHOD FOR RECEIVING ACK/NACK SIGNAL IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20160219562
    Abstract: A method for transmitting information of resources for use in transmission of ACK/NACK signals in a mobile communication system is disclosed. An example method for receiving ACK/NACK signals in a mobile communication system is also disclosed. When resources for transmission of data and resources for transmission of control information of the data are scheduled through virtual unit resources, the method identifies information of resources for receiving an ACK/NACK signal for transmission data mapped to information of at least one of a virtual unit resource allocated to the transmission data and a virtual unit resource allocated to control information of the transmission data, and receives the ACK/NACK signal for the transmission data through the information of resources for receiving the ACK/NACK signal.
    Type: Application
    Filed: April 6, 2016
    Publication date: July 28, 2016
    Inventors: Dae Won LEE, Bong Hoe KIM, Young Woo YUN, Ki Jun KIM, Dong Wook ROH, Suk Hyon YOON, Joon Kui AHN, Dong Youn SEO, Hak Seong KIM, Jung Hoon LEE, Eun Sun KIM, Sung Duk CHOI
  • METHOD AND DEVICE FOR TRANSMITTING ACK/NACK IN TDD-BASED WIRELESS COMMUNICATION SYSTEM
    Publication number: 20160218798
    Abstract: A method is provided for transmitting an acknowledgement/negative-acknowledgement (ACK/NACK) in a wireless communication system based on Time Division Duplex (TDD) in which M downlink subframe(s) are associated with an uplink subframe, where M is equal to or greater than one (1). A user equipment, configured with a plurality of serving cells, receives at least one downlink transport block in the M downlink subframe(s), and determines an ACK/NACK response for the at least one downlink transport block by using one of a plurality of pre-defined mapping rules. Each of the plurality of pre-defined mapping rules is set to define a mapping relation between M ACK/NACK state(s) for each of the plurality of serving cells and the ACK/NACK response based on M. The user equipment transmits the ACK/NACK response.
    Type: Application
    Filed: March 31, 2016
    Publication date: July 28, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Suck Chel YANG, Min Gyu KIM, Joon Kui AHN, Dong Youn SEO
  • Method and apparatus for scheduling in a wireless communication system
    Patent number: 9398607
    Abstract: Provided is a method and apparatus for scheduling in a wireless communication system. In the method, if frame configuration information is transmitted, the frame configuration information sets each sub-frame within a frame to either a default sub-frame or a variable sub-frame and transmits scheduling information which schedules the configured variable sub-frame; and if a signal based on the scheduling information from the configured variable sub-frame is transceived, the default sub-frame becomes a sub-frame for which the transmission direction is fixed, and the configured sub-frame is used as an uplink sub-frame or a downlink sub-frame according to the scheduling information.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: July 19, 2016
    Assignee: LG Electronics Inc.
    Inventors: Dong Youn Seo, Min Gyu Kim, Suck Chel Yang, Joon Kui Ahn
  • Communication method for active and non-active carriers using carrier aggregation and an apparatus therefore
    Patent number: 9391753
    Abstract: A method for a base station to receive an uplink transmission from a user equipment. The method according to one embodiment includes transmitting, to the user equipment, Radio Resource Control (RRC) configuration information for channel status report, the RRC configuration information including information for periodically receiving channel status report from the user equipment; transmitting, to the user equipment, Layer 2 (L2) control information indicating states of the plurality of downlink component carriers, each of the plurality of downlink component carriers being indicated as one of an active state and a non-active state; and performing a procedure for periodically receiving channel status report for a corresponding downlink component carrier from the user equipment in use of the RRC configuration information.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: July 12, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Suck Chel Yang, Dong Youn Seo, Min Gyu Kim, Joon Kui Ahn, Jung Hoon Lee
  • PACKET DATA TRANSMITTING METHOD AND MOBILE COMMUNICATION SYSTEM USING THE SAME
    Publication number: 20160197713
    Abstract: A packet data transmitting method and mobile communication system using the same enables transmission of common ACK/NACK information from each sector of a base station to a user entity in softer handover. The method includes receiving via at least one of the plurality of sectors a data packet from the mobile terminal, the data packet being correspondingly received for each of the at least one of the plurality of sectors; combining the correspondingly received data packets, to obtain a signal having a highest signal-to-noise ratio; decoding the value obtained by the combining; determining a transmission status of the data packet according to the decoding; and transmitting to the mobile terminal a common ACK/NACK signal including one of a common ACK signal and a common NACK signal according to the determining, the common ACK/NACK signal being transmitted via each of the at least one sector.
    Type: Application
    Filed: March 11, 2016
    Publication date: July 7, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Bong Hoe KIM, Joon Kui AHN, Hak Seong KIM, Dong Wook ROH, Dong Youn SEO, Seung Hwan WON
  • Method for transmitting codewords in multiple input multiple output system
    Patent number: 9385792
    Abstract: A method for effectively transmitting/receiving a codeword in a MIMO system is disclosed. In a system including a plurality of predetermined rank structures, a reception end transmits rank information (RI), precoding matrix index (PMI), and channel quality information (CQI) of each codeword to a transmission end. The transmission end selects a rank structure on the basis of information received from the reception end. The transmission end selects only some codeword blocks among a plurality of codeword blocks available for the selected rank structure, transmits signals via the selected codeword blocks, and transmits a null signal for the non-selected codeword blocks.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: July 5, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Bong Hoe Kim, Young Woo Yun, Ki Jun Kim, Dae Won Lee, Yu Jin Noh, Hak Seong Kim, Dong Wook Roh, Joon Kui Ahn
  • Method and apparatus for transmitting reception confirmation in wireless system
    Patent number: 9385851
    Abstract: Provided arc a method and an apparatus for transmitting a reception confirmation in a wireless system. A terminal determines at least one downlink sub-frame for ACK/NACK feedback from each of a plurality of serving cells and determines the number of ACK/NACK bits for the plurality of serving cells. The terminal generates bundled ACK/NACK bits by arraying the ACK/NACK bits in the ascending order of the cell index of the plurality of serving cells, and transmits the bundled ACK/NACK bits.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: July 5, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Dong Youn Seo, Min Gyu Kim, Suck Chel Yang, Joon Kui Ahn
  • Method and apparatus for applying control information in wireless communication system
    Patent number: 9385857
    Abstract: Provided are a method and an apparatus for applying control information in a wireless communication system. The method includes the steps of: receiving a setting for ACK/NACK(acknowledgement/not-acknowledgement) repetition from a base station; receiving control information to be applied at a particular time point from the base station; transmitting ACK/NACK for the control information; and performing an operation according to the control information at the particular time point when the transmitted ACK/NACK is ACK, wherein the operation at the particular time point is applied to a subframe which is determined according to the setting for ACK/NACK repetition.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: July 5, 2016
    Assignee: LG Electronics Inc.
    Inventors: Dong Youn Seo, Min Gyu Kim, Suck Chel Yang, Joon Kui Ahn
  • METHOD AND APPARATUS FOR PERFORMING RANDOM ACCESS
    Publication number: 20160183225
    Abstract: A method and low-cost/low-capability (LC) device are provided for performing a random access procedure in a wireless communication system. The LC device receives configuration information for a random access procedure from a base station. The configuration information includes resource information for transmitting a random access preamble, and the resource information is specific to the LC device. The LC device transmits, to a base station, a random access preamble on a random access resource determined based on the resource information. The LC device receives a random access response in response to the random access preamble. The random access resource is configured for each region of a coverage of the base station.
    Type: Application
    Filed: February 26, 2016
    Publication date: June 23, 2016
    Applicant: LG Electronics Inc.
    Inventors: Joon Kui AHN, Dong Youn SEO, Suck Chel YANG, Min Gyu KIM
  • COMMUNICATION METHOD FOR COOPERATIVE MULTI-POINT AND WIRELESS DEVICE USING SAME
    Publication number: 20160174248
    Abstract: A communication method in a wireless communication system, and a wireless device therefore are discussed. The method according to one embodiment includes receiving a first control channel including first scheduling information on a first physical downlink shared channel (PDSCH) to be received in a first subframe; receiving a second control channel including second scheduling information on a second PDSCH to be received in a second subframe; determining whether the first subframe in which the first PDSCH is to be received is overlapped with the second subframe in which the second PDSCH is to be received; and if the first subframe is determined as being overlapped with the second subframe, determining a valid subframe for receiving at least one of the first PDSCH and the second PDSCH.
    Type: Application
    Filed: February 19, 2016
    Publication date: June 16, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Joon Kui AHN, Suck Chel YANG, Han Byul SEO, Dong Youn SEO