Patents by Inventor Sung-Nam Hong

Sung-Nam Hong 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).

  • Publication number: 20150195026
    Abstract: A method of a terminal that forms beams and a device for performing beam tracking in a communication system that supports beamforming are provided. The method includes detecting, by the terminal, an object located at a periphery of the terminal and performing beam tracking through beams formed by the terminal, except for a beam that is formed in a direction in which the detected object is located.
    Type: Application
    Filed: January 5, 2015
    Publication date: July 9, 2015
    Inventors: Min SAGONG, Chi-Woo LIM, Su-Ryong JEONG, Sung-Nam HONG
  • Patent number: 9077605
    Abstract: A method for supporting Time-Quadrature Amplitude Modulation (TQAM) in a wireless communication system includes generating a transmission symbol identified by a combination of a QAM symbol and a position of a time resource to which the QAM symbol is mapped, shifting at least one QAM symbol among QAM symbols contained in the transmission symbols with respect to a time axis, and readjusting a constellation point of the QAM symbol on the basis of a shifting quantity. A method for operating a receive end comprises receiving a reception symbol identified by a combination of a QAM symbol and a position of a time resource to which the QAM symbol is mapped, restoring at least one QAM symbol shifted in a transmit end for uniformizing of the time-axis distribution of QAM symbols contained in the reception symbols, generating decoding metrics for the reception symbol, and performing decoding the reception symbol using the decoding metric.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: July 7, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min Sagong, Chi-Woo Lim, Sung-Nam Hong, Hyun-Kyu Yu, Kyung-Whoon Cheun
  • Patent number: 9008232
    Abstract: A method for generating a decoding metric in a wireless communication system includes receiving an FQAM symbol and determining transmission probabilities of FQAM symbol candidates from a received value of the FQAM symbol, wherein the transmission probabilities of the FQAM symbol candidates are determined by multiplying a probability that a QAM symbol included in the FQAM symbol is mapped to each of candidate values in one frequency and a probability that a signal is not transmitted in the other at least one frequency. An apparatus in a wireless communication system for supporting FQAM, the apparatus comprising an RF processing unit configured to receive an FQAM symbol, and a modem configured to determine transmission probabilities of FQAM symbol candidates from a received value of the FQAM symbol.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: April 14, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min Sagong, Chi-Woo Lim, Sung-Nam Hong, Hyun-Kyu Yu, Kyung-Whoon Cheun
  • Publication number: 20140314005
    Abstract: A method of transmitting a signal using a plurality of modulation and coding schemes by a transmitter in a wireless communication system is provided. The method includes when a position of an active tone hits a position of a pilot tone of an adjacent cell, the active tone corresponding to a tone boosted through an application of a hybrid Frequency Shift Keying (FSK) and Quadrature Amplitude Modulation (QAM) Modulation (FQAM) scheme among tones included in an FQAM symbol based on the FQAM scheme in which a QAM scheme and a FSK scheme are combined, detecting two or more tones, which do not hit the position of the pilot tone among the tones included in the FQAM symbol, and transmitting signals by using the detected two or more tones.
    Type: Application
    Filed: April 18, 2014
    Publication date: October 23, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Min SAGONG, Chi-Woo LIM, Kyung-Whoon CHEUN, Sung-Nam HONG
  • Publication number: 20140307832
    Abstract: One or more embodiments provides method for transmitting a signal by a transmitting apparatus in wireless a communication system supporting a modulation scheme based on a quadrature amplitude modulation (QAM) scheme and a frequency shift keying (FSK) scheme. The method includes determining at least one first bit which will be mapped to at least one QAM symbol and at least one second bit which will be mapped to at least one FSK symbol among bits included in an encoded input bit stream; and generating a modulation symbol by mapping the at least one first bit to the at least one QAM symbol and mapping the at least one second bit to the at least one FSK symbol based on a Hamming distance of the at least one second bit.
    Type: Application
    Filed: April 15, 2014
    Publication date: October 16, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Min Sagong, Won-Il Roh, Jeong-Ho Park, Ji-Yun Seol, Hyun-Kyu Yu, Chi-Woo Lim, Kyung-Whoon Cheun, Jae-Weon Cho, Sung-Nam Hong
  • Publication number: 20140269992
    Abstract: An apparatus and a method for operating a transmission end in a wireless communication system that supports Frequency and Quadrature-Amplitude Modulation (FQAM) are provided. The method includes dividing an information bit stream into a plurality of portions, encoding each of the plurality of portions using different encoding schemes, and generating an FQAM symbol by combining result values of the encoding of each of the plurality of portions, wherein the encoding schemes are different according to at least one of an encoding order, an encoding rate, an input size, and an encoding technique.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 18, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-Nam HONG, Min SAGONG, Chi-Woo LIM, Hyun-Kyu YU, Kyung-Whoon CHEUN
  • Publication number: 20140269959
    Abstract: A method of operating a base station in a wireless communication system supporting Frequency-Quadrature Amplitude Modulation (FQAM) and Multi-Tone FQAM (MT-FQAM) is provided. The method includes determining a modulation scheme of data to be transmitted, and modulating the data according to the determined modulation scheme, wherein if at least one resource block is included in the data and if the at least one resource block is mapped to at least one tone in a distributed manner, the MT-FQAM scheme is selected, or if one resource block is included in the data and if the one resource block is mapped to at least one tone in a continuous manner, the FQAM scheme is selected, or if multiple resource blocks are included in the data and if the multiple resource blocks are mapped to at least one tone in a continuous manner, the MT-FQAM scheme is selected.
    Type: Application
    Filed: March 13, 2014
    Publication date: September 18, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chi-Woo LIM, Min SAGONG, Sung-Nam HONG, Hyun-Kyu YU, Kyung-Whoon CHEUN
  • Publication number: 20140211880
    Abstract: A method for generating a decoding metric in a wireless communication system includes receiving an FQAM symbol and determining transmission probabilities of FQAM symbol candidates from a received value of the FQAM symbol, wherein the transmission probabilities of the FQAM symbol candidates are determined by multiplying a probability that a QAM symbol included in the FQAM symbol is mapped to each of candidate values in one frequency and a probability that a signal is not transmitted in the other at least one frequency. An apparatus in a wireless communication system for supporting FQAM, the apparatus comprising an RF processing unit configured to receive an FQAM symbol, and a modem configured to determine transmission probabilities of FQAM symbol candidates from a received value of the FQAM symbol.
    Type: Application
    Filed: January 28, 2014
    Publication date: July 31, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Min Sagong, Chi-Woo Lim, Sung-Nam Hong, Hyun-Kyu Yu, Kyung-Whoon Cheun
  • Publication number: 20140211887
    Abstract: A method for supporting Time-Quadrature Amplitude Modulation (TQAM) in a wireless communication system includes generating a transmission symbol identified by a combination of a QAM symbol and a position of a time resource to which the QAM symbol is mapped, shifting at least one QAM symbol among QAM symbols contained in the transmission symbols with respect to a time axis, and readjusting a constellation point of the QAM symbol on the basis of a shifting quantity. A method for operating a receive end comprises receiving a reception symbol identified by a combination of a QAM symbol and a position of a time resource to which the QAM symbol is mapped, restoring at least one QAM symbol shifted in a transmit end for uniformizing of the time-axis distribution of QAM symbols contained in the reception symbols, generating decoding metrics for the reception symbol, and performing decoding the reception symbol using the decoding metric.
    Type: Application
    Filed: January 28, 2014
    Publication date: July 31, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Min Sagong, Chi-Woo Lim, Sung-Nam Hong, Hyun-Kyu Yu, Kyung-Whoon Cheun
  • Publication number: 20140177756
    Abstract: A method for transmitting a signal by a signal transmission apparatus in a communication system is provided. The method includes detecting a parameter related to a Quadrature Amplitude Modulation (QAM) scheme and a parameter related to a Frequency Shift Keying (FSK) scheme based on channel quality and an interference component, and modulating information bits using a modulation scheme based on the QAM scheme and the FSK scheme which uses the parameter related to the QAM scheme and the parameter related to the FSK scheme.
    Type: Application
    Filed: December 23, 2013
    Publication date: June 26, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jeong-Ho PARK, Tae-Young KIM, Won-Il ROH, Min SAGONG, Ji-Yun SEOL, Hyun-Kyu YU, Kyung-Whoon CHEUN, Jae-Weon CHO, Sung-Nam HONG
  • Publication number: 20140177687
    Abstract: A modulation method and an apparatus with consideration of adaptive Hybrid Automatic Repeat reQuest (HARQ) in a wireless communication system are provided. The method of a transmission end supporting a hybrid modulation technique in which different types of modulation schemes are mixed, information of a channel state with a reception end is collected. A modulation order of a first type of a modulation scheme and a modulation order of a second type of a modulation scheme are determined. The modulation order of a first type of a modulation scheme and a modulation order of a second type of a modulation scheme form the hybrid modulation technique.
    Type: Application
    Filed: December 23, 2013
    Publication date: June 26, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ji-Yun SEOL, Tae-Young KIM, Won-Il ROH, Jeong-Ho PARK, Min SAGONG, Hyun-Kyu YU, Kyung-Whoon CHEUN, Jae-Weon CHO, Sung-Nam HONG
  • Patent number: 7874035
    Abstract: Provided are a connection apparatus and a connection method capable of rapidly and fixing a pre-cast deck slab with a beam. The connection apparatus includes a main body buried in the pre-cast deck slab and having a hollow part formed in an axial direction thereof! a plurality of support portions integrally formed with an outer surface of the main body, each of which has a body having a certain length and a hook integrally formed with an end of the body; a bolt having a bolt body inserted into the hollow part of the main body and a fixing hole of the beam, and a head integrally formed with an upper end of the bolt body! and a nut threadedly engaged with the bolt body of the bolt.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: January 25, 2011
    Assignee: Sungkyunkwan University Foundation for Corporated Collaboration
    Inventors: Sun-Kyu Park, Sung-Oh Kim, Sung-Nam Hong, Tae-Wan Kim, Kyoung Bong Han
  • Publication number: 20090277124
    Abstract: Provided are a connection apparatus and a connection method capable of rapidly and fixing a pre-cast deck slab with a beam. The connection apparatus includes a main body buried in the pre-cast deck slab and having a hollow part formed in an axial direction thereof! a plurality of support portions integrally formed with an outer surface of the main body, each of which has a body having a certain length and a hook integrally formed with an end of the body; a bolt having a bolt body inserted into the hollow part of the main body and a fixing hole of the beam, and a head integrally formed with an upper end of the bolt body! and a nut threadedly engaged with the bolt body of the bolt.
    Type: Application
    Filed: October 15, 2007
    Publication date: November 12, 2009
    Inventors: Sun-Kyu Park, Sung-Oh Kim, Sung-Nam Hong, Tae-Wan Kim, Kyoung Bong Han
  • Patent number: 5718635
    Abstract: Transmission of torque forces between an in put shaft and an output shaft is provided in an apparatus whereby the axis of the input shaft and the output shaft may be displaced 90.degree. in any direction. The input shaft and output shaft are respectively connected to a pair of drive plates, each pair of which is respectively rotatably mounted on a drive ring. The drive rings are rotatably mounted within a case which maintains the rings at a predetermined spaced-apart distance. A yoke assembly is rotatably mounted within each of the input and output drive rings, and are interconnected by a pair of revolving plates which maintain the input and output drive yoke assemblies at respective spaced-apart distances. The input drive ring and the output drive ring are each rotatable about respective predefined parallel axes, and are maintained in a predetermined relationship during rotation about the respective parallel axes by a pair of flexible cables interconnecting the input and output drive rings.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: February 17, 1998
    Inventors: Sung Bae Park, Sung Nam Hong