Patents by Inventor Dong Jo Park

Dong Jo Park 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: 10667186
    Abstract: A method of assigning and managing reference signals in a multi-cell environment, and a network device and a terminal for applying the method, are provided. Reference signal patterns may be assigned to multiple femtocells through a long term coordination of a central control unit that is used to control multiple cells.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: May 26, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Won Jae Shin, Young Jun Hong, Chang Yong Shin, Yong Ho Cho, Dong Jo Park, Jung Hyun Park
  • Publication number: 20180368033
    Abstract: A method of assigning and managing reference signals in a multi-cell environment, and a network device and a terminal for applying the method, are provided. Reference signal patterns may be assigned to multiple femtocells through a long term coordination of a central control unit that is used to control multiple cells.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Applicants: Samsung Electronics. Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Won Jae SHIN, Young Jun HONG, Chang Yong SHIN, Yong Ho CHO, Dong Jo PARK, Jung Hyun PARK
  • Patent number: 10152179
    Abstract: A touch sensing apparatus and method for correctly sensing a touch signal by removing an offset per touch node via differential sensing are discussed. The touch sensing method includes sensing a first sensing value including an offset component per touch node using a read out signal of a touch sensor, the touch sensor not being supplied with a driving pulse, in a first sensing period; sensing a second sensing value including the offset component of the touch node and a mutual capacitive component based on whether a touch is performed, using a read out signal of the touch sensor, the touch sensor being supplied with a driving pulse, in a second sensing period; and acquiring touch data from which the offset component is removed via a differential operation of the second sensing value and the first sensing value.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: December 11, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Dong-Jo Park
  • Patent number: 10091695
    Abstract: A method of assigning and managing reference signals in a multi-cell environment, and a network device and a terminal for applying the method, are provided. Reference signal patterns may be assigned to multiple femtocells through a long term coordination of a central control unit that is used to control multiple cells.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: October 2, 2018
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Won Jae Shin, Young Jun Hong, Chang Yong Shin, Yong Ho Cho, Dong Jo Park, Jung Hyun Park
  • Patent number: 9445423
    Abstract: Provided is a communication method of a base station and a terminal for enhancing a recovery performance of a signal using a feedback control message. The feedback control message may include information about a target received power at the base station with respect to feedback information of each of a plurality of terminals and information associated with a feedback mode of the feedback information.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: September 13, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Won Jong Noh, Joon Tae Kim, Hyun Ho Choi, Won Jae Shin, Dong Jo Park, Chang Yong Shin
  • Publication number: 20160050596
    Abstract: A method of assigning and managing reference signals in a multi-cell environment, and a network device and a terminal for applying the method, are provided. Reference signal patterns may be assigned to multiple femtocells through a long term coordination of a central control unit that is used to control multiple cells.
    Type: Application
    Filed: October 30, 2015
    Publication date: February 18, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Jae SHIN, Young Jun HONG, Chang Yong SHIN, Yong Ho CHO, Dong Jo PARK, Jung Hyun PARK
  • Patent number: 9179320
    Abstract: A method of assigning and managing reference signals in a multi-cell environment, and a network device and a terminal for applying the method, are provided. Reference signal patterns may be assigned to multiple femtocells through a long term coordination of a central control unit that is used to control multiple cells.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: November 3, 2015
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute Science and Technology
    Inventors: Won Jae Shin, Young Jun Hong, Chang Yong Shin, Yong Ho Cho, Dong Jo Park, Jung Hyun Park
  • Patent number: 8958756
    Abstract: A cognitive radio (CR) communication apparatus and method is provided. A cognitive radio (CR) communication apparatus includes a signal receiving unit which receives signals from a primary user of a primary system and a secondary transmitter of a secondary system, the received signals including an element associated with at least one known signal of the secondary transmitter, and a determination unit which determines whether a signal of the primary user exists from among the received signals based on the element associated with the at least one known signal.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: February 17, 2015
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Hyun Ho Choi, Yong Ho Cho, Jung Hyun Park, Dong Jo Park
  • Patent number: 8892150
    Abstract: Provided is a communication method of a neighboring terminal and a target terminal in which a cooperative terminal that has a better SINR or a better channel condition provides help to a target terminal through cooperation between terminals based on a random access mode or a scheduling mode, so that an SINR of the target terminal is improved without help from a base station.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: November 18, 2014
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Won Jong Noh, Hyun Ho Choi, Won Jae Shin, Sang Uk Park, Dong Jo Park, Chang Yong Shin, Joon Tae Kim, Seung Won Choi, Jung Min Moon, Dong Ho Cho
  • Publication number: 20140176489
    Abstract: A touch sensing apparatus and method for correctly sensing a touch signal by removing an offset per touch node via differential sensing are discussed. The touch sensing method includes sensing a first sensing value including an offset component per touch node using a read out signal of a touch sensor, the touch sensor not being supplied with a driving pulse, in a first sensing period; sensing a second sensing value including the offset component of the touch node and a mutual capacitive component based on whether a touch is performed, using a read out signal of the touch sensor, the touch sensor being supplied with a driving pulse, in a second sensing period; and acquiring touch data from which the offset component is removed via a differential operation of the second sensing value and the first sensing value.
    Type: Application
    Filed: November 21, 2013
    Publication date: June 26, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Dong-Jo PARK
  • Patent number: 8731553
    Abstract: Provided is a cooperative communication technology of a target terminal and a cooperative terminal. In an environment in which interference exists between cells, cooperation between terminals may be performed in order to improve quality of signals that are received from a base station.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: May 20, 2014
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Hyun Ho Choi, Dong Ho Cho, Won Jong Noh, Won Jae Shin, Jung Min Moon, Chang Bae Yoon, Dong Jo Park, Sang Uk Park
  • Publication number: 20130243133
    Abstract: A cognitive radio (CR) communication apparatus and method is provided. A cognitive radio (CR) communication apparatus includes a signal receiving unit which receives signals from a primary user of a primary system and a secondary transmitter of a secondary system, the received signals including an element associated with at least one known signal of the secondary transmitter, and a determination unit which determines whether a signal of the primary user exists from among the received signals based on the element associated with the at least one known signal.
    Type: Application
    Filed: May 10, 2013
    Publication date: September 19, 2013
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Ho CHOI, Yong Ho CHO, Jung Hyun PARK, Dong Jo PARK
  • Patent number: 8515357
    Abstract: A cognitive radio (CR) communication apparatus and method is provided. A cognitive radio (CR) communication apparatus includes a signal receiving unit which receives signals from a primary user of a primary system and a secondary transmitter of a secondary system, the received signals including an element associated with at least one known signal of the secondary transmitter, and a determination unit which determines whether a signal of the primary user exists from among the received signals based on the element associated with the at least one known signal.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: August 20, 2013
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Hyun Ho Choi, Yong Ho Cho, Jung Hyun Park, Dong Jo Park
  • Patent number: 8416738
    Abstract: A communication method for at least one mobile station that includes a target mobile station that performs a Cooperative Multi-Point (CoMP) communication with at least two base stations, is provided. The communication method includes determining a beamforming vector used by the at least two base stations based on channel vectors and at least one channel matrix such that a signal-to-leakage-plus-noise-ratio (SLNR) for a target antenna from among antennas of a target mobile station is maximized. A Cholesky factorization may be used to determine an optimal beamforming vector with a low complexity.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: April 9, 2013
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Won Jae Shin, Young Jun Hong, Jung Hyun Park, Chang Yong Shin, Dong Jo Park
  • Patent number: 8358707
    Abstract: Provided is a communication system for ultra wide band impulse communication, and more particularly, to a communication apparatus and method that can be used in a sensor network or a low-rate wireless personal area network. To be more specific, the present research suggests a transmitter employing multi-coded bi-orthogonal pulse position modulation/demodulation and a method thereof.
    Type: Grant
    Filed: March 12, 2005
    Date of Patent: January 22, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyung-Soo Lee, Cheolhyo Lee, Dong-Jo Park, Sung-Yoon Jung, Mi-Kyung Oh, Dan-Keun Sung, Ki-Ho Kil, Chang-Yong Jung, Jo-Woon Chong, Min-Jeong Kim, Young-Jun Hong, Bang-Chul Jung, Min-Sheo Choi
  • Patent number: 8281206
    Abstract: A low density parity code (LDPC) encoding and decoding devices and encoding and decoding methods thereof are provided. An LDPC encoding device includes an information obtaining unit which obtains status information of at least two frequency bands, a matrix generation unit which generates a parity check matrix based on the status information, the parity check matrix including sub matrices which correspond to the at least two frequency bands, and an encoder which generates data bits and parity bits using an LDPC with the generated parity check matrix.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: October 2, 2012
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Hyun Ho Choi, Kyung Hun Jang, Jung Hyun Park, Yong Ho Cho, Dong Jo Park
  • Publication number: 20120155300
    Abstract: Provided is a communication method of a base station and a terminal for enhancing a recovery performance of a signal using a feedback control message. The feedback control message may include information about a target received power at the base station with respect to feedback information of each of a plurality of terminals and information associated with a feedback mode of the feedback information.
    Type: Application
    Filed: November 17, 2011
    Publication date: June 21, 2012
    Inventors: Won Jong NOH, Joon Tae KIM, Hyun Ho CHOI, Won Jae SHIN, Dong Jo PARK, Chang Yong SHIN
  • Publication number: 20120157139
    Abstract: Provided is a communication method of a neighboring terminal and a target terminal in which a cooperative terminal that has a better SINR or a better channel condition provides help to a target terminal through cooperation between terminals based on a random access mode or a scheduling mode, so that an SINR of the target terminal is improved without help from a base station.
    Type: Application
    Filed: December 15, 2011
    Publication date: June 21, 2012
    Inventors: Won Jong Noh, Hyun Ho Choi, Won Jae Shin, Sang Uk Park, Dong Jo Park, Chang Yong Shin, Joon Tae Kim, Seung Won Choi, Jung Min Moon, Dong Ho Cho
  • Publication number: 20120142345
    Abstract: Provided is a cooperative communication technology of a target terminal and a cooperative terminal. In an environment in which interference exists between cells, cooperation between terminals may be performed in order to improve quality of signals that are received from a base station.
    Type: Application
    Filed: November 14, 2011
    Publication date: June 7, 2012
    Inventors: Hyun Ho Choi, Dong Ho Cho, Won Jong Noh, Won Jae Shin, Jung Min Moon, Chang Bae Yoon, Dong Jo Park, Sang Uk Park
  • Patent number: 8185055
    Abstract: An interference determination apparatus, including a signal receiver to receive a first signal of a primary network and a second signal of a secondary network; a correlator to compute a correlation value of a first cyclic prefix included in the first signal and a correlation value of a second cyclic prefix included in the second signal; and an interference determination unit to determine an interference level or whether the interference occurs between the primary network and the secondary network, using the correlation value of the first cyclic prefix and the correlation value of the second cyclic prefix.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: May 22, 2012
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Hyun Ho Choi, Hyo Sun Hwang, Tae In Hyon, Kyung Hun Jang, In Sun Lee, Hyun Gi Ahn, Yong Ho Cho, Dong Jo Park, Jung Hyun Park