Patents by Inventor Young Hwan Kang
Young Hwan 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).
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Publication number: 20180232078Abstract: Provided are a capacitance-detection device and a driving method for the same. The driving method includes acquiring a noise signal, comparing a magnitude of the acquired noise signal and a threshold value for driving a capacitance-detection device, and adjusting a driving signal provided to a capacitance-detection device to be driven according to a comparison result.Type: ApplicationFiled: January 16, 2018Publication date: August 16, 2018Inventors: Woo Seok Choi, Young Hwan Kang
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Patent number: 9231632Abstract: An interference canceller (500) includes an interference cancellation coefficient calculator (510) configured to calculate an interference cancellation coefficient using a received value located in a location of a reference signal (RS) from a channel estimate H calculated by a channel estimator and a received signal r delivered from an FFT, an interference cancellation filter (520) configured to cancel interference in the received signal and the channel estimate using the calculated interference cancellation coefficient, an increment or decrement operator (530) configured to increase or decrease the received signal and the channel estimate by ? times; an interference cancellation output controller (540) configured to receive a channel estimate before interference cancellation and a channel estimate after interference cancellation to compare a signal before the interference cancellation with a signal after the interference cancellation and then determine whether to deliver the signal before applying the interfType: GrantFiled: May 28, 2014Date of Patent: January 5, 2016Assignee: GCT Semiconductor, Inc.Inventors: Young-Hwan Kang, Ji-Ho Jang, Dae-Seok Nam
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Publication number: 20140355708Abstract: An interference canceller (500) includes an interference cancellation coefficient calculator (510) configured to calculate an interference cancellation coefficient using a received value located in a location of a reference signal (RS) from a channel estimate H calculated by a channel estimator and a received signal r delivered from an FFT, an interference cancellation filter (520) configured to cancel interference in the received signal and the channel estimate using the calculated interference cancellation coefficient, an increment or decrement operator (530) configured to increase or decrease the received signal and the channel estimate by ? times; an interference cancellation output controller (540) configured to receive a channel estimate before interference cancellation and a channel estimate after interference cancellation to compare a signal before the interference cancellation with a signal after the interference cancellation and then determine whether to deliver the signal before applying the interfType: ApplicationFiled: May 28, 2014Publication date: December 4, 2014Applicant: GCT Semiconductor, Inc.Inventors: Young-Hwan Kang, Ji-Ho Jang, Dae-Seok Nam
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Patent number: 8583064Abstract: A receiver includes a first mixer configured to provide an in-phase (I) component of a radio frequency (RF) signal to an I channel by down-converting the RF signal, a second mixer configured to provide a quadrature (Q) component of the RF signal to a Q channel by down-converting the RF signal, amplification means, arranged on the I and Q channels, configured to amplify the I and Q components, a mismatch estimator configured to convert the amplified I and Q components into a frequency domain, and estimate a gain mismatch value and a phase mismatch value on the basis of the converted components, and a mismatch compensator configured to compensate for mismatch of the received signal on the basis of the estimated gain and phase mismatch values.Type: GrantFiled: October 13, 2011Date of Patent: November 12, 2013Assignee: GCT semiconductor, Inc.Inventors: Young Hwan Kang, Jiyoung Cho, Suwon Kang
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Publication number: 20120270516Abstract: A receiver includes a first mixer configured to provide an in-phase (I) component of a radio frequency (RF) signal to an I channel by down-converting the RF signal, a second mixer configured to provide a quadrature (Q) component of the RF signal to a Q channel by down-converting the RF signal, amplification means, arranged on the I and Q channels, configured to amplify the I and Q components, a mismatch estimator configured to convert the amplified I and Q components into a frequency domain, and estimate a gain mismatch value and a phase mismatch value on the basis of the converted components, and a mismatch compensator configured to compensate for mismatch of the received signal on the basis of the estimated gain and phase mismatch values.Type: ApplicationFiled: October 13, 2011Publication date: October 25, 2012Inventors: Young Hwan Kang, Jiyoung Cho, Suwon Kang
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Patent number: 7542538Abstract: The present invention relates generally to an apparatus of assembling a capsule for neutron-irradiation experiments. The capsule may contain test specimens to develop nuclear fuel, and may comprise a capsule main body and protection tube that may be assembled and disassembled using separate joining means. The present invention provides a capsule assembling apparatus that may enable safe and easy assembly/disassembly of the capsule placed at a given depth in a working pool through remote working. The capsule assembling apparatus may comprise a base structure loading the capsule main body, a guiding pipe of a given length extending from the base structure to provide a pathway through which the capsule main body is loaded on the base structure, a damper fixing the capsule main body to the guiding pipe, and a coupler coupling the capsule main body with the protection tube.Type: GrantFiled: April 21, 2005Date of Patent: June 2, 2009Assignee: Korea Atomic Energy Research InstituteInventors: Young-Hwan Kang, Jong-Kiun Kim, Ki-Un Youm, Ki-Byeong Yoon, Myung-Hwan Choi, Bong-Goo Kim
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Patent number: 7302028Abstract: An instrumented capsule for nuclear fuel irradiation tests in research reactors includes an outer shell; a rod tip assembly assembled to a lower end plate of the shell, thus absorbing impact; fuel rod assemblies supported in the shell by means of support tubes and housing therein, sintered fuel bodies and in-capsule instruments, such as thermocouples and self-powered neutron detectors (SPND); a protective tube connected to the upper end plate and protecting instrument control cables; and a guide pipe connected to the inclined extension part of a junction tree and guiding the instrument control cables to a control unit provided outside the reactor.Type: GrantFiled: July 26, 2004Date of Patent: November 27, 2007Assignee: Korea Atomic Energy Research InstituteInventors: Bong Goo Kim, Jong Myeong Oh, Jae Min Shon, Do Sik Kim, Yoon Taeg Shin, Sung Jae Park, Kee Nam Choo, Man Soon Cho, Young Hwan Kang
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Patent number: 7058003Abstract: In an apparatus and method for performing a hand-off in a mobile communication system, a mobile terminal and two base stations transmit and receive two different transmission signals produced from a single communication signal in a soft hand-off processing, so that the reliability of the transmission signal and the transmission efficiency are improved without adding a particular hardware to the conventional communication system. In addition, the improvement of the reliability of the transmission signal is resulted in generation of gain in the aspect of the transmission power, the system performance or the user capacity.Type: GrantFiled: March 28, 2001Date of Patent: June 6, 2006Assignee: LG Electronics Inc.Inventors: Cheol Woo You, Jee Woong Seol, Young Hwan Kang
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Patent number: 7016427Abstract: The present invention relates to a concatenated convolutional encoder and decoder for the next generation mobile communication system requiring a high performance channel coding, in particular to a concatenated convolutional encoder and decoder of a mobile communication system which is capable of providing a dual mode encoder and decoder for supporting both a parallel concatenated convolutional code and a serially concatenated convolutional code and improving the performance of the system by using punctured and thrown away sequence in a convolutional encoder. The present invention can show stable performance regardless of SNR, accordingly the credibility of the system can increase.Type: GrantFiled: November 12, 2004Date of Patent: March 21, 2006Assignee: LG Electronics Inc.Inventors: Young Hwan Kang, Cheol Woo You, Jee Woong Seol
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Publication number: 20050286675Abstract: The present invention relates generally to an apparatus of assembling a capsule for neutron-irradiation experiments. The capsule may contain test specimens to develop nuclear fuel, and may comprise a capsule main body and protection tube that may be assembled and disassembled using separate joining means. The present invention provides a capsule assembling apparatus that may enable safe and easy assembly/disassembly of the capsule placed at a given depth in a working pool through remote working. The capsule assembling apparatus may comprise a base structure loading the capsule main body, a guiding pipe of a given length extending from the base structure to provide a pathway through which the capsule main body is loaded on the base structure, a damper fixing the capsule main body to the guiding pipe, and a coupler coupling the capsule main body with the protection tube.Type: ApplicationFiled: April 21, 2005Publication date: December 29, 2005Inventors: Young-Hwan Kang, Jong-Kiun Kim, Ki-Un Youm, Ki-Byeong Yoon, Myung-Hwan Choi, Bong-Goo Kim
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Patent number: 6956909Abstract: The present invention relates to a transmission rate matching apparatus and a method thereof for a next generation mobile communication system. In the conventional technology, when data bit is transmitted from a terminal to a base station, it is transmitted by radio frames, each column of a block interleaver includes biased data bit.Type: GrantFiled: February 27, 2001Date of Patent: October 18, 2005Assignee: LG Electronics Inc.Inventors: Cheoi Woo You, Jee Woong Seol, Young Hwan Kang
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Publication number: 20050105667Abstract: An instrumented capsule for nuclear fuel irradiation tests in research reactors. The capsule includes an outer shell; a rod tip assembly assembled to a lower end plate of the shell, thus absorbing impact; fuel rod assemblies supported in the shell by means of support tubes and housing therein sintered fuel bodies and in-capsule instruments, such as thermocouples and self-powered neutron detectors (SPND); a protective tube connected to the upper end plate and protecting instrument control cables; and a guide pipe connected to the inclined extension part of a junction tree and guiding the instrument control cables to a control unit provided outside the reactor.Type: ApplicationFiled: July 26, 2004Publication date: May 19, 2005Inventors: Bong Goo Kim, Jong Myeong Oh, Jae Shon, Do Kim, Yoon Shin, Sung Park, Kee Nam Choo, Man Soon Cho, Young Hwan Kang
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Patent number: 6829305Abstract: The present invention relates to a concatenated convolutional encoder and decoder for the next generation mobile communication system requiring a high performance channel coding, in particular to a concatenated convolutional encoder and decoder of a mobile communication system which is capable of providing a dual mode encoder and decoder for supporting both a parallel concatenated convolutional code and a serially concatenated convolutional code and improving the performance of the system by using punctured and thrown away sequence in a convolutional encoder. The present invention can show stable performance regardless of SNR, accordingly the credibility of the system can increase.Type: GrantFiled: December 7, 2000Date of Patent: December 7, 2004Assignee: LG Electronics Inc.Inventors: Young Hwan Kang, Cheol Woo You, Jee Woong Seol
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Patent number: 6782069Abstract: The present invention provides a remote-controlled in-pile creep test system used in in-pile creep tests for measuring and determining mechanical properties of nuclear materials irradiated in research reactors.Type: GrantFiled: September 18, 2002Date of Patent: August 24, 2004Assignees: Korea Atomic Energy Research Institute, Korea Hydro & Nuclear Power Co., Ltd.Inventors: Young-Hwan Kang, Bong-Goo Kim, Wan-Young Maeng, Yong Choi
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Patent number: 6778835Abstract: The present invention relates to a physical channel allocation method of a mobile communication system and a communication method using the same which is capable of allocating physical channels efficiently for a RACH (Random Access Channel) and a CPCH (Common Packet Channel) having extra up-link scrambling code in a next generation mobile communication system.Type: GrantFiled: March 16, 2001Date of Patent: August 17, 2004Assignee: LG Electronics Inc.Inventors: Cheol Woo You, Jee Woong Seol, Young Hwan Kang
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Publication number: 20040151275Abstract: The present invention provides a remote-controlled in-pile creep test system used in in-pile creep tests for measuring and determining mechanical properties of nuclear materials irradiated in research reactors.Type: ApplicationFiled: September 18, 2002Publication date: August 5, 2004Inventors: Young-Hwan Kang, Bong-Goo Kim, Wan-Young Maeng, Yong Choi
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Patent number: 6697446Abstract: An instrumented capsule for material irradiation tests in research reactors. The instrumented capsule performs an optimum material irradiation test under a testing environment similar to the operational environment of a real reactor. The capsule minimizes the influence of flow-induced vibration caused by forced-circulation-type coolant flow in a research reactor, and overcomes the problems experienced in the conventional breakable parts of instrumented capsules which may be broken during the process of loading/unloading the capsules in vertical irradiation holes of reactor pools. The instrumented capsule includes a capsule main body installed in the vertical irradiation hole. The capsule main body consists of a shell and several instruments, such as thermocouples, dosimeters, a vacuum control pipe, and heaters housed in the shell.Type: GrantFiled: August 15, 2002Date of Patent: February 24, 2004Assignees: Korea Atomic Energy Research Institute, Korea Hydro & Nuclear Power Co., Ltd.Inventors: Young-Hwan Kang, Kee-Nam Choo, Bong-Goo Kim, Man-Soon Cho, Jae-Min Sohn, Do-Sik Kim, Jong-Man Park, Jong-Myeong Oh, Sung-Jae Park, Yoon-Taeg Shin
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Publication number: 20030227991Abstract: An instrumented capsule for material irradiation tests in research reactors. The instrumented capsule performs an optimum material irradiation test under a testing environment similar to the operational environment of a real reactor. The capsule minimizes the influence of flow-induced vibration caused by forced-circulation-type coolant flow in a research reactor, and overcomes the problems experienced in the conventional breakable parts of instrumented capsules which may be broken during the process of loading/unloading the capsules in vertical irradiation holes of reactor pools. The instrumented capsule includes a capsule main body installed in the vertical irradiation hole. The capsule main body consists of a shell and several instruments, such as thermocouples, dosimeters, a vacuum control pipe, and heaters housed in the shell.Type: ApplicationFiled: August 15, 2002Publication date: December 11, 2003Inventors: Young-Hwan Kang, Kee-Nam Choo, Bong-Goo Kim, Man-Soon Cho, Jae-Min Sohn, Do-Sik Kim, Jong-Man Park, Jong-Myeong Oh, Sung-Jae Park, Yoon-Taeg Shin
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Publication number: 20020039356Abstract: In an apparatus and method for performing a hand-off in a mobile communication system, a mobile terminal and two base stations transmit and receive two different transmission signals produced from a single communication signal in a soft hand-off processing, so that the reliability of the transmission signal and the transmission efficiency are improved without adding a particular hardware to the conventional communication system. In addition, the improvement of the reliability of the transmission signal is resulted in generation of gain in the aspect of the transmission power, the system performance or the user capacity.Type: ApplicationFiled: March 28, 2001Publication date: April 4, 2002Applicant: LG Electronics Inc.Inventors: Cheol Woo You, Jee Woong Seol, Young Hwan Kang
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Publication number: 20010024956Abstract: The present invention relates to a physical channel allocation method of a mobile communication system and a communication method using the same which is capable of allocating physical channels efficiently for a RACH (Random Access Channel) and a CPCH (Common Packet Channel) having extra up link scrambling code in a next generation mobile communication system, the communication method of the mobile communication system in accordance with the present invention comprises transmitting a preamble signature code Csig,s generated by using one signature among a plurality of signatures AP#s and a PRACH access preamble code Cpre,n,s generated by using one PRACH preamble scrambling code SC#i among a x-number of PRACH preamble scrambling codes SC#m permitted to the pertinent cell along with an AP (Access Preamble) through a RACH from a terminal to a base station, receiving an AI informing a usage of the signature by decoding a signature included in the received AP and the kind of the PRACH scrambling code frType: ApplicationFiled: March 16, 2001Publication date: September 27, 2001Applicant: LG Electronics Inc.Inventors: Cheol Woo You, Jee Woong Seol, Young Hwan Kang