Patents by Inventor Sung-Ryul Yun

Sung-Ryul Yun 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).

  • Apparatus and method for mapping and demapping signals in a communication system using a low density parity check code
    Patent number: 8689075
    Abstract: An apparatus and method for mapping and demapping signals in a system using a Low Density Parity Check (LDPC) code are provided. In the method, LDPC codeword bits are written column-wise and read row-wise, substreams are generated by demultiplexing the read bits using a demultiplexing scheme, and bits included in each of the substreams are mapped to symbols on a signal constellation. The demultiplexing scheme is determined corresponding to a modulation scheme used in the signal transmitter, a length of the LDPC codeword, and a number of the substreams.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: April 1, 2014
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyun-Koo Yang, Hong-Sil Jeong, Sung-Ryul Yun
  • MICROLENS ARRAY FILM AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20140085865
    Abstract: Provided are a microlens array film and a display device including the same. The microlens array film includes a first transparent electrode and a second transparent electrode facing each other and a flexible polymer layer placed between the first and the second transparent electrodes. Lenses may be freely deformed by regulating voltages applied to the first and second transparent electrodes.
    Type: Application
    Filed: September 17, 2013
    Publication date: March 27, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Ryul YUN, Ki-Uk KYUNG, Suntak PARK, Bong Je PARK, Young Sung KIM
  • APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING A FRAME INCLUDING CONTROL INFORMATION IN BROADCASTING SYSTEM
    Publication number: 20140064178
    Abstract: Apparatus and method for transmitting and receiving a frame including control information in a broadcasting system are provided. A frame for a broadcast service is generated including at least one Physical Layer Pipe (PLP) and indication information for indicating a change/no-change of control information for the broadcast service in the next frame. The indication information includes information on a position in which the control information will change.
    Type: Application
    Filed: November 1, 2013
    Publication date: March 6, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hwan-Joon KWON, Hak-Ju Lee, Yeon-Ju Lim, Hong-Sil Jeong, Jae-Yoel Kim, Sung-Ryul Yun, Seho Myung
  • APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING A FRAME INCLUDING CONTROL INFORMATION IN A BROADCASTING SYSTEM
    Publication number: 20140056208
    Abstract: Apparatus and method for receiving a frame including control information in a broadcasting system are provided. A frame for a broadcast service is received and includes at least one Physical Layer Pipe (PLP) and indication information for indicating a change/no-change of control information for the broadcast service in the next frame. Indication information, which includes information on a position in which the control information will change, is extracted from the frame and used to determine the position in which the control information will change.
    Type: Application
    Filed: November 1, 2013
    Publication date: February 27, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hwan-Joon KWON, Hak-Ju LEE, Yeon-Ju LIM, Hong-Sil JEONG, Jae-Yoel KIM, Sung-Ryul YUN, Seho MYUNG
  • Method and apparatus for channel coding and decoding in a communication system using a low-density parity-check code
    Patent number: 8645809
    Abstract: A channel coding method in a communication system using a Low-Density Parity-Check (LDPC) code. The channel coding method includes determining a degree distribution for a plurality of column groups of an information part and a plurality of column groups of a parity part; determining degrees for the plurality of column groups of the information part based on the degree distribution; determining a shortening order based on the degrees for the plurality of column groups of the information part; generating a parity check matrix based on the shortening order; and performing coding using the generated parity check matrix.
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: February 4, 2014
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hong-Sil Jeong, Sung-Ryul Yun, Hyun-Koo Yang
  • Apparatus and method for transmitting and receiving signal and subcarrier allocation structure therefor in a multi-user multi-antenna communication system
    Patent number: 8634867
    Abstract: An apparatus and method for transmitting and receiving a signal and a subcarrier allocation structure therefor in a multi-user multi-antenna communication system are provided, in which a transmitter calculates receive filters for each of a plurality of receivers or for a plurality of antennas in a receiver, determines the index of a vector having a correlation with the calculated receive filters in a preset codebook vector to be a receive filter index, and transmits the receive filter index to the receiver.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: January 21, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: David Mazzarese, Hak-Ju Lee, Sung-Ryul Yun, Dong-Seek Park
  • FILM HAPTIC SYSTEM HAVING MULTIPLE OPERATION POINTS
    Publication number: 20140015777
    Abstract: Provided is a thin film type actuator having multi-operation points, capable of various feels of touch or sounds. The film type actuator includes an upper plate and a lower plate, formed of a single plate. Between the upper plate and the lower plate, pairs of electrode parts capable of attracting one another via an electrostatic force. Since each of the pairs of electrode parts functions as an operation point and the upper plate and the lower plate are formed of the single plate, movements of the respective operation points in such a way that a new physical movement different from an original individual movement is generated to generate a haptic feel or a sound. It is possible to generate various haptic feels or sounds by modulating and combining amplitudes and frequencies of the respective operation points.
    Type: Application
    Filed: April 19, 2013
    Publication date: January 16, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Suntak PARK, KI-UK KYUNG, Sung Ryul YUN, Young Sung KIM, Jong-uk LEE, Bong Je PARK
  • Method and apparatus for transmitting and receiving in-band signaling information in a wireless broadcasting system
    Patent number: 8565265
    Abstract: A method is provided for transmitting in-band signaling information in a wireless broadcasting system that transmits broadcast service data through a plurality of data Physical Layer Pipes (PLPs) constituting a frame. Non-PLP signaling information is included in a data PLP for a particular broadcast service and the data PLP is transmitted through a current frame, when no data PLP for the particular broadcast service is transmitted in at least one frame to be transmitted within a maximum schedulable period NMAX from a time the current frame is transmitted. The non-PLP signaling information indicates that no data PLP for the particular broadcast service is transmitted within the maximum schedulable period.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: October 22, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hak-Ju Lee, Hwan-Joon Kwon, Yeon-Ju Lim, Jae-Yoel Kim, Sung-Ryul Yun, Hong-Sil Jeong, Seho Myung
  • METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION OF DATA STREAMS IN DIGITAL VIDEO BROADCASTING SYSTEMS
    Publication number: 20130265494
    Abstract: A wireless communication unit comprising a transmitter and a signal processor are provided. The signal processor is arranged to map service data onto a first set of multiple Physical Layer Pipes (PLPs), map the first set of PLPs onto a first set of logical frames, and form a first logical channel comprising the first set of logical frames. A structure of the logical frames is composed of PLPs of a plurality of different data types.
    Type: Application
    Filed: April 5, 2013
    Publication date: October 10, 2013
    Applicant: Samsung Electronics Co. Ltd.
    Inventors: Alain MOURAD, Sung-Ryul YUN
  • METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION OF DATA STREAMS IN DIGITAL VIDEO BROADCASTING SYSTEMS
    Publication number: 20130265957
    Abstract: A method for mapping of one or more logical channels onto a radio frequency channel in a communication system is provided. The method includes determining a logical channel type from a plurality of logical channel types, and mapping at least one logical frame of the determined logical channel type to at least one physical frame on at least one Radio Frequency (RF) channel based on the determined logical channel type.
    Type: Application
    Filed: April 5, 2013
    Publication date: October 10, 2013
    Inventors: Alain MOURAD, Sung-Ryul YUN
  • Apparatus and method for channel encoding and decoding in communication system using low-density parity-check codes
    Patent number: 8533556
    Abstract: A method and an apparatus are provided for decoding a channel in a communication system using a LDPC code. A shortening pattern and a puncturing pattern are determined based on a received signal. A value of a shortened bit is set to 0 according to the determined shortening pattern, erasures are set according to the determined puncturing pattern, and LDPC decoding is performed, when bits exist which have been used to perform shortening or puncturing. Determining the shortening pattern and the puncturing pattern includes setting a predetermined ratio of the number of punctured bits to the number of shortened bits.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: September 10, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seho Myung, Hwan-Joon Kwon, Jae-Yoel Kim, Yeon-Ju Lim, Sung-Ryul Yun, Hak-Ju Lee, Hong-Sil Jeong
  • Channel-encoding/decoding apparatus and method using low-density parity-check codes
    Patent number: 8495459
    Abstract: An encoding/decoding apparatus and method using a low-density parity-check code (LDPC code) is disclosed. Basic column group information, serving as a set of information regarding positions of rows with weight 1, is extracted from a reference column in each column group of a predetermined parity-check matrix. Column group information transforms the positions of rows with weight 1 into positions whose lengths are within a required parity length. A parity-check matrix is generated according to the generated column group information. Data is encoded or decoded based on the generated parity-check matrix.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: July 23, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Se Ho Myung, Jae Yoel Kim, Yeon Ju Lim, Sung Ryul Yun, Hak Ju Lee
  • Apparatus and method for generating a parity check matrix in a communication system using linear block codes, and a transmission/reception apparatus and method using the same
    Patent number: 8423860
    Abstract: A method and apparatus are provided for generating a parity check matrix used to generate a linear block code in a communication system. The method includes determining a basic parameter of a second parity check matrix satisfying a rule predetermined with respect to a given first parity check matrix, generating a submatrix corresponding to a parity part of the second parity check matrix, using the basic parameter; and generating a submatrix corresponding to an information word part of the second parity check matrix, using the first parity check matrix and the basic parameter.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: April 16, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyun-Koo Yang, Hong-Sil Jeong, Sung-Ryul Yun, Jae-Yoel Kim, Hak-Ju Lee, Seho Myung, Jin-Hee Jeong
  • Bit mapping/demapping method and apparatus for communication system
    Patent number: 8397109
    Abstract: An improved bit mapping method and apparatus for a communication system is provided. A bit mapping method of the present invention includes arranging coded bits in a codeword in an order of recovery capability. A shift region including a number of coded bits is set. The coded bits are rearranged in the shift region by shifting the shift region by a number of bits equal to a number of bits that is indicated by a shift factor. The rearranged coded bits are mapped into a modulation symbol in an order of reliability from a lowest reliability bit position to a highest reliability bit position of the modulation symbol.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: March 12, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Se Ho Myung, Jae Yoel Kim, Yeon Ju Lim, Sung-Ryul Yun, Hak Ju Lee
  • METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING INFORMATION IN A BROADCASTING/COMMUNICATION SYSTEM
    Publication number: 20130055051
    Abstract: A method and apparatus are provided for transmitting and receiving information in a broadcasting/communication system. The method includes comparing a number of bits of an information word to be transmitted with a predetermined threshold value; if the number of bits of the information word is less than the predetermined threshold value, determining a first parameter pair; if the number of bits of the information word is not less than the predetermined threshold value, determining a second parameter pair; determining a number of bits to be punctured based on one of the first parameter pair and the second parameter pair; and puncturing the determined number of bits to be punctured, with respect to parity bits of a codeword generated by encoding the information word.
    Type: Application
    Filed: August 30, 2012
    Publication date: February 28, 2013
    Inventors: Hong-Sil JEONG, Sung-Ryul YUN
  • Method for encoding control information in a wireless communication system using low density parity check code, and method and apparatus for transmitting and receiving the control information
    Patent number: 8352844
    Abstract: A method and apparatus for transmitting control information in a wireless communication system using a Low Density Parity Check (LDPC) code is provided. The number of LDPC blocks, through which L1 post-signaling information is to be transmitted, is determined according to the total number of bits of the L1 post-signaling information. The number of input information bits of each LDPC block is calculated when the determined number of LDPC blocks is plural. The number of puncturing bits among parity bits of each LDPC block is determined considering a modulation order. A frame including one or multiple LDPC blocks generated through the preceding steps is transmitted.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: January 8, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Seho Myung, Hwan-Joon Kwon, Jae-Yoel Kim, Yeon-Ju Lim, Sung-Ryul Yun, Hak-Ju Lee, Hong-Sil Jeong
  • FILM TYPE APPARATUS FOR PROVIDING HAPTIC FEEDBACK AND TOUCH SCREEN INCLUDING THE SAME
    Publication number: 20120306790
    Abstract: A film type apparatus for providing haptic feedback and a touch screen including the same are provided. In the film type apparatus, a plurality of unit haptic feedback providing apparatuses are arranged in an array. Each of the unit haptic feedback providing apparatuses includes a lower electrode, a lower charge capacitive member disposed on the lower electrode, an upper charge capacitive member disposed apart from the lower charge capacitive member, a spacer disposed between the lower and upper charge capacitive members to separate the lower and upper charge capacitive members, an upper electrode disposed on the upper charge capacitive member, and a charge supply unit connected to the lower and upper electrodes to supply electric charge.
    Type: Application
    Filed: May 31, 2012
    Publication date: December 6, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ki-Uk KYUNG, Jeong-Mook LIM, Sang-Youn KIM, Sung-Ryul YUN, Hee-Sook SHIN, Jun-Seok PARK
  • Apparatus and method for channel encoding and decoding in communication system using low-density parity-check codes
    Patent number: 8321745
    Abstract: An apparatus and a method for channel encoding/decoding in a communication system are provided. The apparatus and the method generate LDPC-encoded blocks with various lengths from an LDPC code with fixed length in a communication system using a Low-Density Parity-Check (LDPC) code. The apparatus and the method perform shortening using a predetermined number of shortened bits and perform LDPC encoding. The apparatus and the method apply predetermined rules according to the predetermined number of shortened bits and determine the number of bits to be punctured, and perform puncturing based on the determined number of punctured bits.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: November 27, 2012
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Seho Myung, Hwan-Joon Kwon, Jae-Yoel Kim, Yeon-Ju Lim, Sung-Ryul Yun, Hak-Ju Lee, Hong-Sii Jeong
  • APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING DATA IN COMMUNICATION SYSTEM
    Publication number: 20120290887
    Abstract: An apparatus and a method for transmitting and receiving a signal in a communication system are provided. The method includes checking a type of the signal to be transmitted; determining a number of puncture bits according to the type of the signal; and puncturing an encoded signal to be transmitted according to the number of puncture bits.
    Type: Application
    Filed: December 5, 2011
    Publication date: November 15, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hong-Sil JEONG, Sung-Ryul YUN, Hyun-Koo YANG, Se-Ho MYUNG, Alain MOURAD, Ismael GUTIERREZ
  • Communication method and apparatus using LDPC code
    Patent number: 8312344
    Abstract: An encoding method using a Low Density Parity Check (LDPC) matrix having a codeword length of N and an information word length K is provided to improve coding efficiency, and includes generating a first parity bit vector (p1) using the low density parity check matrix, generating a second parity bit vector (p2), performing L-parallel iterative accumulation encoding on the first parity bit vector, and generating a codeword vector c=(s,p1,p2) including an information word vector and the first and second parity bit vectors. The communication method and apparatus herein provides an efficient encoding algorithm using the trade-off relationship between a circuit implementation and operation and delay complexities.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: November 13, 2012
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Se Ho Myung, Jae Yoei Kim, Yeon Ju Lim, Sung Ryul Yun, Hak Ju Lee