Patents by Inventor Beom-Kon Kim

Beom-Kon Kim 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: 9705583
    Abstract: A communication device and a method of controlling the same. The communication device includes at least one receiver configured to connect to a first antenna for receiving a first signal and a second antenna for receiving a second signal; and a processor electrically coupled to the at least one receiver, wherein the processor is configured to measure received signal strengths of the first signal and the second signal based on calibration operation for the first antenna and the second antenna, select one of the first antenna and the second antenna based on the measured received signal strengths, and control the at least one receiver to receive a signal through the selected one of the first antenna and the second antenna.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: July 11, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Seok Yu, Do-Yun Kim, Beom-Kon Kim, Hwan-Min Park, Chae-Hag Yi
  • Publication number: 20170085310
    Abstract: A communication device and a method of controlling the same. The communication device includes at least one receiver configured to connect to a first antenna for receiving a first signal and a second antenna for receiving a second signal; and a processor electrically coupled to the at least one receiver, wherein the processor is configured to measure received signal strengths of the first signal and the second signal based on calibration operation for the first antenna and the second antenna, select one of the first antenna and the second antenna based on the measured received signal strengths, and control the at least one receiver to receive a signal through the selected one of the first antenna and the second antenna.
    Type: Application
    Filed: April 15, 2016
    Publication date: March 23, 2017
    Inventors: Hyun-Seok YU, Do-Yun KIM, Beom-Kon KIM, Hwan-Min PARK, Chae-Hag YI
  • Patent number: 9548772
    Abstract: A method and a terminal are provided for use in a communication system. The method includes determining an average power from power obtained in a measurement section of a data symbol in a time slot including an updated gain section and a maintained gain section, the measurement section starting after a last gain is applied in the data symbol and ending before a mid-amble of the time slot is buffered, determining an average error power from a difference between a predetermined target power and the average power, and determining an output power by adding the average error power to power that is received over the time slot.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: January 17, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Do-Yun Kim, Young-Ik Cho, Jeong-Soon Park, Beom-Kon Kim
  • Publication number: 20160173146
    Abstract: A method and a terminal are provided for use in a communication system. The method includes determining an average power from power obtained in a measurement section of a data symbol in a time slot including an updated gain section and a maintained gain section, the measurement section starting after a last gain is applied in the data symbol and ending before a mid-amble of the time slot is buffered, determining an average error power from a difference between a predetermined target power and the average power, and determining an output power by adding the average error power to power that is received over the time slot.
    Type: Application
    Filed: September 9, 2015
    Publication date: June 16, 2016
    Inventors: Do-Yun KIM, Young-Ik CHO, Jeong-Soon PARK, Beom-Kon KIM
  • Patent number: 8861581
    Abstract: Provided is a receiver for processing VSB signal. The receiver includes a first equalizer/decoder unit and a second equalizer/decoder unit. The first equalizer/decoder unit performs a first equalizing operation, first TCM decoding and first RS decoding on a received symbol to output a first dibit. The second equalizer/decoder unit performs a second equalizing operation, second TCM decoding and second RS decoding on the received symbol to output a transport stream. The first dibit is provided as a priori information for a soft-decision operation of the second TCM decoding.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: October 14, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: DoHan Kim, Sergey Zhidkov, Beom kon Kim
  • Patent number: 8675723
    Abstract: A symbol sequence corresponding to a vestigial sideband (VSB) signal is divided into a plurality of sections, respective ones of which correspond to respective time periods. Individual ones of the sections are recursively adaptively equalized to produce respective equalized sections. A bit stream is constructed from the equalized sections.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: March 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: DoHan Kim, Beom kon Kim, Sergey Zhidkov
  • Patent number: 8526542
    Abstract: A diversity receiver configured to receive digital signals, including a first modulator configured to receive a first signal and modulate the first signal to first data, a second modulator configured to receive a second signal and modulate the second signal to second data, a path aligner configured to detect starting points of the first data and the second data and generate a control signal for synchronizing the first data and the second data, and an equalizer/decoder configured to synchronize the first and second data and to generate a signal to noise ratio and an equalizer output by a recursive equalization operation for the diversity signals thus synchronized.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: September 3, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: DoHan Kim, Sergey Zhidkov, Beom kon Kim
  • Publication number: 20110261873
    Abstract: A diversity receiver configured to receive digital signals, including a first modulator configured to receive a first signal and modulate the first signal to first data, a second modulator configured to receive a second signal and modulate the second signal to second data, a path aligner configured to detect starting points of the first data and the second data and generate a control signal for synchronizing the first data and the second data, and an equalizer/decoder configured to synchronize the first and second data and to generate a signal to noise ratio and an equalizer output by a recursive equalization operation for the diversity signals thus synchronized.
    Type: Application
    Filed: April 25, 2011
    Publication date: October 27, 2011
    Inventors: DoHan Kim, Sergey Zhidkov, Beom kon Kim
  • Publication number: 20110243213
    Abstract: Provided is a receiver for processing VSB signal. The receiver includes a first equalizer/decoder unit and a second equalizer/decoder unit. The first equalizer/decoder unit performs a first equalizing operation, first TCM decoding and first RS decoding on a received symbol to output a first dibit. The second equalizer/decoder unit performs a second equalizing operation, second TCM decoding and second RS decoding on the received symbol to output a transport stream. The first dibit is provided as a priori information for a soft-decision operation of the second TCM decoding.
    Type: Application
    Filed: April 5, 2011
    Publication date: October 6, 2011
    Inventors: DoHan Kim, Sergey Zhidkov, Beom kon Kim
  • Publication number: 20110243212
    Abstract: A symbol sequence corresponding to a vestigial sideband (VSB) signal is divided into a plurality of sections, respective ones of which correspond to respective time periods. Individual ones of the sections are recursively adaptively equalized to produce respective equalized sections. A bit stream is constructed from the equalized sections.
    Type: Application
    Filed: February 15, 2011
    Publication date: October 6, 2011
    Inventors: DoHan Kim, Beom Kon Kim, Sergey Zhidkov
  • Patent number: 7792202
    Abstract: An apparatus for estimating a timing offset of each of orthogonal frequency division multiplexing (OFDM) symbols that are fast Fourier transform (FFT)-processed. A first correlator calculates correlation values and outputs a first correlation signal. A second correlator calculates correlation values and outputs a second correlation signal. A third correlator calculates a correlation value and outputs a third correlation signal. A delay correlator calculates a correlation value and outputs a timing offset information signal. A phase estimator detects phase components of the timing offset information signal and a sliding integrator accumulates the detected phase components of the timing offset information signal during a symbol interval and outputs an average value of the accumulated phase components during the symbol interval as the timing offset of each OFDM symbol.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: September 7, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Beom-Kon Kim
  • Patent number: 7787059
    Abstract: A ATSC compliant digital television (DTV) receiver including an image rejection filter, an interpolator, a numerically controlled oscillator (NCO), a matched filter unit, a frequency converter, and a DC remover. The image rejection filter removes (filters out) an unwanted image signal and an adjacent channel's interference signal from a first intermediate frequency (IF) signal sampled at a first sampling frequency. The interpolator resamples (at a second sampling frequency) a signal output from the image rejection filter and compensates for a predetermined symbol timing offset in response to a first control signal, thereby outputting a second IF signal. The NCO down converts the second IF signal and simultaneously compensates for a predetermined carrier offset in response to a second control signal, thereby outputting a first complex signal. The matched filter unit receives the first complex signal and filters the first complex signal, thereby outputting a second complex signal.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: August 31, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Beom-Kon Kim, Zhidkov Sergey
  • Patent number: 7570717
    Abstract: A method for demodulating a carrier wave in a channel environment in which a pilot signal may be distorted, in a digital TV receiver, which may receive a vestigial sideband (VSB) modulated and transmitted signal, and a demodulation apparatus therefor are provided. A field synchronization part of a VSB signal, in which a pilot signal may be removed, may be used as a reference signal for synchronization. The frequency offset of a carrier wave may be estimated through self-correlation of a signal, and the phase offset of the carrier wave may be estimated through a pilot-less frequency and phase locked loop (FPLL).
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: August 4, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-ho Kim, Beom-kon Kim, Dong-seog Han, Hae-sock Oh, Junling Zhang, Ki-dong Kang
  • Patent number: 7548281
    Abstract: An apparatus may include a sort circuit for receiving first and second baseband signals, where the sort circuit shifting frequencies of the first and second baseband signals. The apparatus may also include a removal circuit for receiving the shifted first and second baseband signals and for combining the shifted first and second baseband signals to provide a frequency-modulated signal, and a symbol timing restoration circuit for measuring a timing error in related symbols of the frequency-modulated signal, for generating an address selection signal that is proportional to the timing error, in response to a carrier restoration signal, and for indicating restoration of the carrier.
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: June 16, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Ho Kim, Dong-Seog Han, Ki-Dong Kang, Hyung-Woo Kim, Beom-Kon Kim, Sung-Hun Kim
  • Publication number: 20080181317
    Abstract: An apparatus for estimating a timing offset of each of orthogonal frequency division multiplexing (OFDM) symbols that are fast Fourier transform (FFT)-processed. A first correlator calculates correlation values and outputs a first correlation signal. A second correlator calculates correlation values and outputs a second correlation signal. A third correlator calculates a correlation value and outputs a third correlation signal. A delay correlator calculates a correlation value and outputs a timing offset information signal. A phase estimator detects phase components of the timing offset information signal and a sliding integrator accumulates the detected phase components of the timing offset information signal during a symbol interval and outputs an average value of the accumulated phase components during the symbol interval as the timing offset of each OFDM symbol.
    Type: Application
    Filed: January 31, 2007
    Publication date: July 31, 2008
    Inventor: Beom-Kon Kim
  • Publication number: 20070268408
    Abstract: A ATSC compliant digital television (DTV) receiver. including an image rejection filter, an interpolator, a numerically controlled oscillator (NCO), a matched filter unit, a frequency converter, and a DC remover. The image rejection filter removes (filters out) an unwanted image signal and an adjacent channel's interference signal from a first intermediate frequency (IF) signal sampled at a first sampling frequency. The interpolator resamples (at a second sampling frequency) a signal output from the image rejection filter and compensates for a predetermined symbol timing offset in response to a first control signal, thereby outputting a second IF signal. The NCO down converts the second IF signal and simultaneously compensates for a predetermined carrier offset in response to a second control signal, thereby outputting a first complex signal. The matched filter unit receives the first complex signal and filters the first complex signal, thereby outputting a second complex signal.
    Type: Application
    Filed: May 18, 2006
    Publication date: November 22, 2007
    Inventors: Beom-Kon Kim, Zhidkov Sergey
  • Patent number: 7218357
    Abstract: Method and apparatus for use with digital television receivers are included among the embodiments. In exemplary systems, components of an interfering analog television signal (e.g., an NTSC signal) in the same channel as a DTV signal are separately estimated and canceled from the DTV signal. For instance, separate frequency shifters produce shifted versions of the DTV signal, each shifter placing one interfering NTSC carrier signal at or near DC. A DC detector detects the NTSC carrier strength for each carrier, and carrier cancellation signals are synthesized based on these measured carrier strengths. This rejection filter is simpler than prior art filters that require phase-lock on the interfering carriers, and also allows the filter to operate when phase-lock on interfering carriers is difficult to obtain. Other embodiments are described and claimed.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: May 15, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Ho Kim, Dong-Seog Han, Beom-Kon Kim
  • Publication number: 20050157821
    Abstract: A method for demodulating a carrier wave in a channel environment in which a pilot signal may be distorted, in a digital TV receiver, which may receive a vestigial sideband (VSB) modulated and transmitted signal, and a demodulation apparatus therefor are provided. A field synchronization part of a VSB signal, in which a pilot signal may be removed, may be used as a reference signal for synchronization. The frequency offset of a carrier wave may be estimated through self-correlation of a signal, and the phase offset of the carrier wave may be estimated through a pilot-less frequency and phase locked loop (FPLL).
    Type: Application
    Filed: January 18, 2005
    Publication date: July 21, 2005
    Inventors: Min-ho Kim, Beom-kon Kim, Dong-seog Han, Hae-sock Oh, Junling Zhang, Ki-dong Kang
  • Publication number: 20050012865
    Abstract: Method and apparatus for use with digital television receivers are included among the embodiments. In exemplary systems, components of an interfering analog television signal (e.g., an NTSC signal) in the same channel as a DTV signal are separately estimated and canceled from the DTV signal. For instance, separate frequency shifters produce shifted versions of the DTV signal, each shifter placing one interfering NTSC carrier signal at or near DC. A DC detector detects the NTSC carrier strength for each carrier, and carrier cancellation signals are synthesized based on these measured carrier strengths. This rejection filter is simpler than prior art filters that require phase-lock on the interfering carriers, and also allows the filter to operate when phase-lock on interfering carriers is difficult to obtain. Other embodiments are described and claimed.
    Type: Application
    Filed: May 13, 2004
    Publication date: January 20, 2005
    Inventors: Min-Ho Kim, Dong-Seog Han, Beom-Kon Kim
  • Publication number: 20040261122
    Abstract: An apparatus may include a sort circuit for receiving first and second baseband signals, where the sort circuit shifting frequencies of the first and second baseband signals. The apparatus may also include a removal circuit for receiving the shifted first and second baseband signals and for combining the shifted first and second baseband signals to provide a frequency-modulated signal, and a symbol timing restoration circuit for measuring a timing error in related symbols of the frequency-modulated signal, for generating an address selection signal that is proportional to the timing error, in response to a carrier restoration signal, and for indicating restoration of the carrier.
    Type: Application
    Filed: January 23, 2004
    Publication date: December 23, 2004
    Inventors: Min-Ho Kim, Dong-Seog Han, Ki-Dong Kang, Hyung-Woo Kim, Beom-Kon Kim, Sung-Hun Kim
  • Patent number: 5135168
    Abstract: A multi-sprinkler controller includes a timer-activated motor which drives a rotor disc. The rotor disc operates the opening and closing of several water passages through which water is supplied to the various sprinklers which make up a sprinkler system.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: August 4, 1992
    Inventor: Po H. Wang