Patents by Inventor Inyup Kang

Inyup Kang 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: 20160285479
    Abstract: A method, apparatus, and chipset are provided for constructing hybrid automatic repeat request (HARQ) rate-compatible polar codes for communication channels. The method includes constructing, in a terminal, a base polar code of length 2n; and determining a sequence of m<2n bits to puncture in the base polar code by testing a predetermined criterion at most (22n+2n)/2?1 times.
    Type: Application
    Filed: August 26, 2015
    Publication date: September 29, 2016
    Inventors: Mostafa EL-KHAMY, Jungwon LEE, Inyup KANG, Hsien-Ping LIN
  • Patent number: 9425758
    Abstract: A wireless communication system includes: a switching capacitor; a multi-way switch, having at least a first voltage input port, a second voltage input port, and an intermediate voltage input port, coupled to the switching capacitor; and a CORDIC processor, coupled to the multi-way switch, configured to select the first voltage input port, the second voltage input port, or the intermediate voltage input port.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: August 23, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gennady Feygin, Inyup Kang
  • Publication number: 20160241355
    Abstract: An apparatus and method of constructing a universal polar code is provided. The apparatus includes a first function block configured to polarize and degrade a class of channels Wj to determine a probability of error Pe,j of each bit-channel of Wj, wherein j?{1, 2, . . . , s}, in accordance with a bit-channel index i; a second function block configured to determine a probability of error Pe(i) for the universal polar code for each bit-channel index i; a third function block configured to sort the Pe(i); and a fourth function block configured to determine a largest number k of bit-channels such that a sum of corresponding k bit-channel error probabilities Pe(i) is less than or equal to a target frame error rate Pt for the universal polar code, wherein the indices corresponding to the k smallest Pe(i) are good bit-channels for the universal polar code.
    Type: Application
    Filed: August 27, 2015
    Publication date: August 18, 2016
    Inventors: Hessam Mahdavifar, Mostafa El-Khamy, Jungwon Lee, Inyup Kang
  • Patent number: 9391685
    Abstract: A computing system includes: an inter-device interface configured to determine receiver description for representing a receiver signal corresponding to serving signal contemporaneous with an interference signal from an interference source at an interference-aware receiver; a communication unit, coupled to the inter-device interface, configured to: generate a pre-coding candidate set based on the receiver description for adjusting the serving signal or a subsequent instance thereof, determine a sum-rate condition for representing the serving signal along with the interference signal, and generate a pre-coding adjustment maximizing the sum-rate condition from the pre-coding candidate set for communicating the serving signal or a subsequent instance thereof.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: July 12, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Hyun Bae, Hyukjoon Kwon, Jungwon Lee, Inyup Kang
  • Patent number: 9362956
    Abstract: A concatenated encoder is provided that includes an outer encoder, a symbol interleaver and a polar inner encoder. The outer encoder is configured to encode a data stream using an outer code to generate outer codewords. The symbol interleaver is configured to interleave symbols of the outer codewords and generate a binary stream. The polar inner encoder is configured to encode the binary stream using a polar inner code to generate an encoded stream. A concatenated decoder is provided that includes a polar inner decoder, a symbol de-interleaver and an outer decoder. The polar inner decoder is configured to decode an encoded stream using a polar inner code to generate a binary stream. The symbol de-interleaver is configured to de-interleave symbols in the binary stream to generate outer codewords. The outer decoder is configured to decode the outer codewords using an outer code to generate a decoded stream.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: June 7, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hessam Mahdavifar, Mostafa El-Khamy, Jungwon Lee, Inyup Kang
  • Patent number: 9319898
    Abstract: A wireless communication system includes: a control module configured to calculate a maximum throughput to represent a spectral efficiency; a storage module, coupled to the control module, configured to store the maximum throughput in a throughput table; and a communication module, coupled to the control module, configured to transmit a channel quality indicator as a feedback, selected from the throughput table, based on a largest value of the maximum throughput.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: April 19, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Vignesh Sethuraman, Shahab Sanayei, Hairuo Zhuang, Jungwon Lee, Inyup Kang
  • Patent number: 9312968
    Abstract: A computing system includes: an antenna configured to receive a receiver signal for representing a serving signal and an interference signal; a communication unit, coupled to the antenna, configured to: calculate a signal likelihood from the receiver signal based on a Gaussian approximation mechanism; calculate an interference power estimate based on the signal likelihood for characterizing the interference signal; and estimating the serving signal based on the interference power estimate.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: April 12, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoo Jin Choi, Dongwoon Bai, Jungwon Lee, Inyup Kang
  • Publication number: 20160080174
    Abstract: A computing system includes: an inter-device interface configured to receive receiver signal for communicating serving content through a communication channel; a communication unit, coupled to the inter-device interface, configured to: calculate a weighting set corresponding to a modular estimation mechanism, and generate a channel estimate based on the weighting set for characterizing the communication channel for recovering the serving content.
    Type: Application
    Filed: November 25, 2014
    Publication date: March 17, 2016
    Inventors: Yoo Jin Choi, Jung Hyun Bae, Jungwon Lee, Inyup Kang
  • Publication number: 20160065245
    Abstract: A electronic system includes: a support chip configured to receive an input code stream; a circular Viterbi mechanism, coupled to the support chip, configured to: generate a final path metric for the input code stream, store intermediate path metrics at the repetition depth, generate a repetition path metric for the input code stream, and calculate a soft correlation metric based on the final path metric, the repetition path metric, and the intermediate path metrics.
    Type: Application
    Filed: May 7, 2015
    Publication date: March 3, 2016
    Inventors: Marcel Nassar, Mostafa El-Khamy, Inyup Kang, Jungwon Lee
  • Patent number: 9277467
    Abstract: A method of operation of a communication system includes: estimating a channel; calculating a predicted signal within the channel; evaluating a prediction accuracy of the predicted signal; and adjusting a handoff parameter when the prediction accuracy of the predicted signal is within a threshold range for communicating through a mobile station.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: March 1, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Insoo Hwang, Jungwon Lee, Heejin Roh, Inyup Kang
  • Patent number: 9225412
    Abstract: A method of operation of a communication system includes: determining a channel estimate based on an arriving communication for characterizing a channel; calculating a conditional measure based on the channel estimate for characterizing the channel at a subsequent index; generating a channel-based probability function using the conditional measure, the channel-based probability function based on a feedback metric; determining a stochastic channel indicator based on a value of the feedback metric producing a target condition from the channel-based probability function; and sending the stochastic channel indicator for controlling communication at a base station for communication through a device.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: December 29, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jungwon Lee, Junghyun Bae, Inyup Kang
  • Patent number: 9215017
    Abstract: A computing system includes: an inter-device interface configured to receive a receiver signal for representing a serving signal and an interference signal; a communication unit, coupled to the inter-device interface, configured to: dynamically generate a decoding target for decoding of the receiver signal, and decode the receiver signal based on the decoding target for decoding the receiver signal for the serving signal or the interference signal with an interference-aware receiver according to the decoding target.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: December 15, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyukjoon Kwon, Jungwon Lee, Inyup Kang
  • Publication number: 20150349909
    Abstract: A computing system includes: a communication unit configured to: determine a relaxed coding profile including a polar-processing range for processing content data over a bit channel; process the content data based on a total polarization level being within the polar-processing range, the polar-processing range for controlling a polar processing mechanism or a portion therein corresponding to the bit channel for the content data; and an inter-device interface, coupled to the communication unit, configured to communicate the content data.
    Type: Application
    Filed: October 24, 2014
    Publication date: December 3, 2015
    Inventors: Mostafa El-Khamy, Hessam Mahdavifar, Gennady Feygin, Jungwon Lee, Inyup Kang
  • Patent number: 9203659
    Abstract: A computing system includes: an antenna configured to receive a receiver signal for representing a serving signal and an interference signal; a communication unit, coupled to the antenna, configured to: calculate a decoding result based on the receiver signal, generate an interference modulation estimate based on the decoding result and the receiver signal, and calculate a content result based on the interference modulation estimate for representing the serving signal.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: December 1, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoo Jin Choi, Dongwoon Bai, Jungwon Lee, Inyup Kang
  • Patent number: 9143372
    Abstract: A communication system includes: an antenna unit configured to receive a receiver signal; a communication unit, coupled to the antenna unit, configured to: calculate a decoding result based on the receiver signal, generate a dynamic scalar based on the decoding result, and generate a content replication based on the dynamic scalar for communicating with a device.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: September 22, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jinhong Wu, Mostafa El-Khamy, Jungwon Lee, Inyup Kang
  • Patent number: 9130575
    Abstract: A method of operation of a wireless communication system includes: synthesizing an incoming clock reference by differentiating an even cycle signal and an odd cycle signal; commutating a pair of resistors (R1, R2) based on the even cycle signal and the odd cycle signal; and controlling an amplifier output by the pair of the resistors (R1, R2) for the purpose of mitigating the effects of mismatch of the pair of resistors.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: September 8, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gennady Feygin, Inyup Kang
  • Patent number: 9124397
    Abstract: A wireless communication system includes: a communication interface configured to receive a desired input signal and an interference input signal; and a control module, coupled to the communication interface, configured to calculate a capacity region to maximize a first R1 reference for the desired input signal by removing the interference input signal.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: September 1, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jungwon Lee, Jung Hyun Bae, Yingqun Yu, Tiangao Gou, Inyup Kang
  • Publication number: 20150236717
    Abstract: A method and system for decoding a signal are provided. The method includes receiving a signal, where the signal includes at least one symbol; decoding the signal in stages, where each at least one symbol is decoded into at least one bit per stage, wherein a Log-Likelihood Ratio (LLR) and a path metric are determined for each possible path for each at least one bit at each stage; determining the magnitudes of the LLRs; identifying K bits of the signal with the smallest corresponding LLR magnitudes; identifying, for each of the K bits, L possible paths with the largest path metrics at each decoder stage for a user-definable number of decoder stages; performing forward and backward traces, for each of the L possible paths, to determine candidate codewords; performing a Cyclic Redundancy Check (CRC) on the candidate codewords, and stopping after a first candidate codeword passes the CRC.
    Type: Application
    Filed: December 9, 2014
    Publication date: August 20, 2015
    Inventors: Mostafa EL-KHAMY, Jinhong WU, Jungwon LEE, Inyup KANG
  • Publication number: 20150230173
    Abstract: A method and an apparatus are provided for determining whether an enhanced physical downlink control channel (ePDCCH) transmission exists for a user equipment (UE) in a subframe. The UE receives a transmission on physical downlink control channel (PDCCH) resources of the subframe. Downlink control information (DCI) is extracted from the PDCCH resources. The DCI includes at least one bit indicating whether the ePDCCH transmission exists for the UE in the subframe. The UE determines whether the ePDCCH transmission exists using the at least one bit. Additional symbols of the subframe are buffered and decoded when the ePDCCH transmission exists.
    Type: Application
    Filed: December 9, 2014
    Publication date: August 13, 2015
    Inventors: Linbo LI, Jaber BORRAN, Yingqun YU, Inyup KANG
  • Publication number: 20150230117
    Abstract: A computing system includes: an inter-device interface configured to receive receiver signal for communicating serving content contemporaneously with interference signal; a communication unit, coupled to the inter-device interface, configured to: determine interference communication scheme for representing the interference signal included in the receiver signal, and generate channel feedback information based on the interference communication scheme. A method of operation of a computing system includes generating an interference-based feedback mechanism with a control unit based on a negative feedback count, a serving metric set, a negative feedback count, or a combination thereof for controlling the channel feedback information.
    Type: Application
    Filed: October 31, 2014
    Publication date: August 13, 2015
    Inventors: Shahab Sanayei, Vignesh Sethuraman, Jungwon Lee, Inyup Kang