Patents by Inventor Jin-Kyu Han

Jin-Kyu Han 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).

  • Mobile communication system and channel transmission/reception method thereof
    Patent number: 9608791
    Abstract: A method and an apparatus for transmitting Hybrid Automatic Repeat reQuest (HARQ) Acknowledgement/Negative Acknowledgement (ACK/NACK) are provided. The HARQ ACK/NACK transmission method includes receiving a Physical Downlink Shared Channel (PDSCH) in a subframe of a first cell, identifying an ACK subframe for transmitting HARQ ACK/NACK corresponding to the PDSCH, and transmitting the HARQ ACK/NACK in the identified ACK subframe of a second cell.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: March 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Hoon Choi, Joon Young Cho, Jin Kyu Han, Young Bum Kim, Hyoung Ju Ji
  • TRANSMISSION/RECEPTION METHOD AND APPARATUS FOR UPLINK MIMO RETRANSMISSION IN LTE SYSTEM
    Publication number: 20170078051
    Abstract: A method by a terminal, method by a base station, a terminal, and a base station are provided. The method by the terminal includes transmitting two transport blocks; and if one of the two transport blocks is negatively acknowledged (NACKed) and a physical downlink control channel (PDCCH) including control information is not detected, adjusting retransmission for the NACKed transport block using a precoding index 0 and a number of layers corresponding to the NACKed transport block.
    Type: Application
    Filed: November 3, 2016
    Publication date: March 16, 2017
    Inventors: Jin-Kyu HAN, Youn Sun KIM
  • TRANSMISSION OF SCHEDULING ASSIGNMENTS IN MULTIPLE OPERATING BANDWIDTHS
    Publication number: 20170079061
    Abstract: Methods and apparatuses are described for wireless communication supporting carrier aggregation. The method includes monitoring a first search space and a second search space on a primary component carrier, to receive a scheduling assignment including information indicating a component carrier on which data is transmitted, wherein a scheduling assignment for the primary component carrier is received in the first search space, and a scheduling assignment for a secondary component carrier is received in the second search space; and receiving the data on one of the primary component carrier and the secondary component carrier. The first search space for the primary component carrier is different from the second search space for the secondary component carrier.
    Type: Application
    Filed: November 29, 2016
    Publication date: March 16, 2017
    Inventors: Aris PAPASAKELLARIOU, Jin-Kyu HAN, Joon-Young CHO
  • Method and system for indicating method used to scramble dedicated reference signals
    Patent number: 9585136
    Abstract: A base station includes a transmit path circuitry to scramble CRC bits of a DCI format using a C-RNTI for dynamic scheduling, and scramble the CRC bits of the DCI format using an SPS C-RNTI for semi-persistent scheduling. If C-RNTI is used, the circuitry generates a downlink transmission grant using the DCI format being a fallback format to indicate a transmit diversity transmission scheme or a single-layer beamforming scheme, and uses the DCI format being a dual-layer beamforming format to indicate a dual-DRS port transmission scheme or a single-DRS port transmission scheme. If SPS C-RNTI is used, the circuitry generates a downlink transmission grant using the DCI format being the fallback format to indicate a single-DRS port transmission scheme, and uses the DCI format being the dual-layer beamforming format to indicate a dual-DRS port transmission scheme or a single-DRS port transmission scheme.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: February 28, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Han Nam, Jianzhong Zhang, Jin-Kyu Han, Lingjia Liu
  • Method and apparatus for transmitting/receiving CSI in cellular communication system supporting carrier aggregation
    Patent number: 9584263
    Abstract: A Channel Status Information (CSI) transmission method and apparatus of a terminal are provided for use in a wireless communication system. In the wireless communication system supporting carrier aggregation, the terminal transmits the CSIs of component carriers without conflict of their transmission time points, resulting in an improvement of system performance. In a case where the transmission time points are determined to overlap unavoidably, the terminal transmits the CSI as compressed.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: February 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Bum Kim, Joon Young Cho, Ju Ho Lee, Jin-Kyu Han, Hyoung Ju Ji
  • Method and apparatus of receiving different types of subframes in mobile communication system
    Patent number: 9578641
    Abstract: A method and base station in a wireless communication system are provided. The method includes transmitting, to a terminal, system information including information associated with a sub-frame configuration of multimedia broadcast multicast service single frequency network (MBSFN) sub-frames, determining a transmission mode of the terminal, the transmission mode indicating one of a first transmission mode and a second transmission mode, transmitting, to the terminal, dedicated message including configuration information of the determined transmission mode of the terminal, and transmitting, to the terminal, control information in a physical downlink control channel (PDCCH) and data in a physical downlink shared channel (PDSCH) in a first sub-frame of the MBSFN sub-frames, if the terminal is configured in the first transmission mode.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: February 21, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hyuk Jang, Kyeong In Jeong, Gert Jan Van Lieshout, Soeng Hun Kim, Jin-Kyu Han
  • Method for mapping and demapping resource in a wireless communication system and an apparatus thereof
    Patent number: 9571170
    Abstract: A method and apparatus for mapping/demapping a resource efficiently in a wireless communication system are provided. A resource mapping method of a transmitter in a wireless communication system includes precoding pairs of symbols, arranging the pairs of precoded symbols adjacently in a resource block, and transmitting the pairs of precoded symbols in the resource block.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: February 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Tae Kim, Youn Sun Kim, Jin Kyu Han, In Ho Lee
  • Method for mapping and demapping resource in a wireless communication system and an apparatus thereof
    Patent number: 9564954
    Abstract: A method and apparatus for mapping/demapping a resource efficiently in a wireless communication system are provided. A resource mapping method of a transmitter in a wireless communication system includes precoding pairs of symbols, arranging the pairs of precoded symbols adjacently in a resource block, and transmitting the pairs of precoded symbols in the resource block.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: February 7, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Tae Kim, Youn Sun Kim, Jin Kyu Han, In Ho Lee
  • Method for mapping and demapping resource in a wireless communication system and an apparatus thereof
    Patent number: 9564953
    Abstract: A method and apparatus for mapping/demapping a resource efficiently in a wireless communication system are provided. A resource mapping method of a transmitter in a wireless communication system includes precoding pairs of symbols, arranging the pairs of precoded symbols adjacently in a resource block, and transmitting the pairs of precoded symbols in the resource block.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: February 7, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Tae Kim, Youn Sun Kim, Jin Kyu Han, In Ho Lee
  • Transmission/reception apparatus and method for supporting MIMO technology in a forward link of a high rate packet data system
    Patent number: 9559758
    Abstract: Methods and apparatus are provided for transmitting and receiving data in a communication system with a plurality of antennas. A method includes informing information related to a transmission time interval for transmission based on a second type reference signal; and transmitting data based on the second type reference signal in the transmission time interval defined by the information related to the transmission time interval for transmission based on the second type reference signal. The transmission time interval defined by the information related to the transmission time interval for transmission based on the second type reference signal is located on a fixed position within a period including a plurality of transmission time intervals.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: January 31, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jae-Chon Yu, Hwan-Joon Kwon, Dong-Hee Kim, Yu-Chul Kim, Jin-Kyu Han
  • Method for allocating resource in LTE system
    Patent number: 9560647
    Abstract: A fractional Resource Block (RB) allocation method which enables resource allocation in a unit smaller than RB to improve the capacity of Voice over Internet Protocol (VoIP) in a Long Term Evolution (LTE) system is provided. The method includes generating modulation symbols streams by performing channel coding and modulation on transport blocks corresponding to first and second data to be transmitted to respective users, multiplexing the modulation symbols stream alternately in a unit of two continuous modulation symbols, and transmitting the multiplexed modulation symbol stream as mapped to corresponding resource. A resource arrangement method allows different users to share the same resource without using a Space Domain Multiple Access (SDMA) and indicates fractional RB allocation.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: January 31, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin Kyu Han, Joon Young Cho, Ju Ho Lee
  • DEVICE AND METHOD FOR TRANSMITTING DOWNLINK CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20170019227
    Abstract: A method for a transmitter in a communication system, a method for a receiver, a transmitting apparatus, and a receiving apparatus are provided.
    Type: Application
    Filed: September 30, 2016
    Publication date: January 19, 2017
    Inventors: Jin Kyu HAN, Ju Ho LEE
  • Apparatus and method for transmitting/receiving the hybrid-ARQ ACK/NACK signal in mobile communication system
    Patent number: 9544101
    Abstract: An apparatus and method are provided for a mobile communication system. The method includes generating at least one symbol group to which an orthogonal sequence is applied; determining one of a first antenna set and a second antenna set for mapping the generated at least one symbol group based on the a symbol group index and a physical hybrid automatic repeat request indicator channel (PHICH) group index; mapping the generated at least one symbol group to the determined antenna set; and transmitting the mapped at least one symbol group.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: January 10, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Young-Bum Kim, Jin-Kyu Han, Hwan-Joon Kwon, Ju-Ho Lee, Jianzhong Zhang
  • METHOD AND APPARATUS FOR ALLOCATING ACKCH RESOURCES IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20170005769
    Abstract: Methods and apparatuses are provided for wireless communication. A scheduling message is received that includes first information on at least one resource allocated for uplink transmission and second information. Data and a pilot are transmitted via the allocated at least one resource for uplink transmission. An ACK/NACK resource is identified based on a lowest index among at least one index of the allocated at least one resource for uplink transmission and the second information. An ACK/NACK signal is received in response to the transmitted data using the identified ACK/NACK resource.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 5, 2017
    Inventors: Joon-Young CHO, Ju-Ho Lee, Hwan-Joon Kwon, Jin-Kyu Han
  • Transmission/reception method and apparatus for uplink MIMO retransmission in LTE system
    Patent number: 9532342
    Abstract: A transmission/reception method and apparatus for a mobile communication system supporting uplink MIMO is provided. In the transmission method, a User Equipment (UE) transmits two transport blocks according to a predetermined number of layers and respective precoding indices, an evolve Node B (eNB) transmits, when one of the transport blocks is lost, a negative acknowledgement for the lost transport block, and the UE sets a precoding index for the lost transport block to a predetermined value to retransmit the lost transport block while maintaining the number of layers.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: December 27, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jin-Kyu Han, Youn Sun Kim
  • Method and apparatus for transmitting and receiving feedback information for inter-cell cooperative transmission in wireless communication cellular system
    Patent number: 9520932
    Abstract: A method for transmitting feedback information for collaborative transmission in a cellular radio communication system is provided. The method includes receiving, from the base station, collaborative cell information indicating a plurality of collaborative cells, determining at least two preferred collaborative cells among the plurality of collaborative cells, generating feedback information including cell indicators for discriminating between the at least two preferred collaborative cells and the other cell, precoding matrix indicators for the at least two preferred collaborative cells, and channel quality indicators, and transmitting the feedback information via one of a control channel and a data channel.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: December 13, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In Ho Lee, Jin Kyu Han, Joon Young Cho, Cheng Shan, Sung Tae Kim
  • Method and apparatus for defining transceiving timing of physical channel in a TDD communication system which supports cross-carrier scheduling
    Patent number: 9515811
    Abstract: A method, base station, and terminal employing time division duplex and carrier aggregation are disclosed. The method by the base station includes transmitting, to a terminal, scheduling information on a control channel of a first cell, and transmitting, to the terminal, data on a shared channel of a second cell based on the scheduling information. The scheduling information is transmitted in a first downlink subframe or a first subframe including downlink pilot time slot (DwPTS) based on first subframe configuration information of the first cell. The data is transmitted in a second downlink subframe or a second subframe including DwPTS corresponding to the first downlink subframe or the first subframe. The first subframe configuration information of the first cell is different from second subframe configuration information of the second cell.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: December 6, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Bum Kim, Joon Young Cho, Jin Kyu Han, Seung Hoon Choi, Youn Sun Kim, Hyoung Ju Ji
  • Transmission of scheduling assignments in multiple operating bandwidths
    Patent number: 9510364
    Abstract: Methods and apparatuses are described for the transmission of Scheduling Assignments (SAs) from a base station to User Equipments (UEs) for data reception in the downlink or data transmission in the uplink of a communication system. A method for wireless communication includes receiving a scheduling assignment in a search space on a primary component carrier, the scheduling assignment including information indicating a component carrier on which data is transmitted; and receiving the data on the indicated component carrier. The search space for the primary component carrier is different from a search space for a secondary component carrier.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: November 29, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Aris Papasakellariou, Jin-Kyu Han, Joon-Young Cho
  • METHOD, APPARATUS, AND SYSTEM FOR TRANSMITTING AND RECEIVING INFORMATION OF AN UNCODED CHANNEL IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM
    Publication number: 20160344530
    Abstract: A method apparatus and system for efficiently transmitting and receiving channels are provided in a wireless communication system based on Orthogonal Frequency Division Multiplexing (OFDM). A multiplexing scheme differs according to a channel when a transmitter transmits a packet data channel, a common control channel and a control channel designated for a particular user. Uncoded 1-bit information is broadly dispersed in frequency and time domains using multiplexing technology for maximizing diversity in in a channel for transmitting information of at least one bit to a particular user like an acknowledgement (ACK) channel. The transmitter converts a sequence obtained by multiplexing multiple bits to be transmitted to a plurality of users to parallel signals, and broadly disperses the parallel signals in the time and frequency domains.
    Type: Application
    Filed: August 8, 2016
    Publication date: November 24, 2016
    Inventors: Hwan-Joon KWON, Ju-Ho LEE, Joon-Young CHO, Jin-Kyu HAN, Dong-Hee KIM, Yun-Ok CHO
  • Apparatus and method for transmitting/receiving the hybrid-ARQ ACK/NACK signal in mobile communication system
    Patent number: 9503227
    Abstract: An apparatus and method are provided for a mobile communication system. The method includes receiving a signal; determining location information of at least one symbol group; and acquiring the at least one symbol group, to which an orthogonal sequence is applied, from the signal, based on the location information. The at least one symbol group is mapped to one of a first antenna set and a second antenna set based on the a symbol group index and a physical hybrid automatic repeat request indicator channel (PHICH) group index.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: November 22, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Young-Bum Kim, Jin-Kyu Han, Hwan-Joon Kwon, Ju-Ho Lee, Jianzhong Zhang