Patents by Inventor Hung-Su Park
Hung-Su Park 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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Patent number: 8724726Abstract: An automatic gain control apparatus and method for a compressed mode in a MIMO system are provided. The method includes determining power at a first frequency band using a first receiver, simultaneously determining power at a second frequency band using a second receiver in a compressed mode, if the second receiver changes a power determination frequency band into the first frequency band, correcting the power determination value of the first receiver, and applying the corrected power determination value of the first receiver to the second receiver.Type: GrantFiled: October 28, 2009Date of Patent: May 13, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hung-Su Park, Shin-Woo Kang, Soo-Bok Yeo, Ki-Hwan Jeon, Joo-Kwang Kim, Sung-Chul Han
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Patent number: 8447247Abstract: An apparatus and a method for compensating for a Transmission (Tx) gain in a transmitter of a wireless communication system are provided. The apparatus includes a Tx Automatic Gain Control (AGC) for generating at least an adjustment value for controlling a Tx gain; a Tx Power Adjust (TPA) controller for generating a compensation value for compensating for Nonlinear Compensate Table (NCT) control information using frequency and temperature changes according to operations of the transmitter and the adjustment value provided from the Tx AGC; and an NCT controller for generating the NCT control information using the adjustment value provided from the Tx AGC, and compensating for the NCT control information with the compensation value output from the TPA controller.Type: GrantFiled: November 28, 2011Date of Patent: May 21, 2013Assignee: Samsung Electronics Co., LtdInventors: Hung-Su Park, Dong-Kyoon Cho
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Patent number: 8375769Abstract: An apparatus and method for measuring a Signal-to-Interference-plus-Noise Ratio (SINR) by controlling a residual gain in a high speed packet access system are provided. The apparatus includes a gain controller for measuring an intensity of a signal outputted from a residual gain controller, for outputting a gain control signal for controlling a gain of an interval of a preset gain resolution of a radio frequency integrated circuit according to the intensity of measured signal, and for outputting a residual gain value for controlling a residual gain less than the preset gain resolution, wherein the radio frequency integrated circuit gain-controls a signal inputted according to the gain control signal, and the residual gain controller multiplies the gain-controlled signal by the residual gain value to compensate the residual gain.Type: GrantFiled: August 19, 2010Date of Patent: February 19, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Hung Su Park, Shin Woo Kang, Ki Hwan Jeon, Joo Kwang Kim, Sung Chul Han
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Publication number: 20120135697Abstract: An apparatus and a method for compensating for a Transmission (Tx) gain in a transmitter of a wireless communication system are provided. The apparatus includes a Tx Automatic Gain Control (AGC) for generating at least an adjustment value for controlling a Tx gain; a Tx Power Adjust (TPA) controller for generating a compensation value for compensating for Nonlinear Compensate Table (NCT) control information using frequency and temperature changes according to operations of the transmitter and the adjustment value provided from the Tx AGC; and an NCT controller for generating the NCT control information using the adjustment value provided from the Tx AGC, and compensating for the NCT control information with the compensation value output from the TPA controller.Type: ApplicationFiled: November 28, 2011Publication date: May 31, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Hung-Su PARK, Dong-Kyoon Cho
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Patent number: 8131231Abstract: A method and apparatus for canceling interference during reception of a broadcast signal in a hybrid terminal including a broadcast receiver and a mobile communication terminal. In the interference cancellation apparatus, a gain controller adjusts transmission power of the mobile communication terminal, and a transmission power controller determines whether there is a burst of a broadcast signal that the broadcast receiver will receive. If there is a burst of the broadcast signal, the transmission power controller controls the gain controller to decrease transmission power of a mobile communication signal transmitted by the mobile communication terminal at a corresponding slot.Type: GrantFiled: November 27, 2007Date of Patent: March 6, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Seok Yu, Hyun-Seok Oh, Hung-Su Park
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Publication number: 20110044189Abstract: An apparatus and method for measuring a Signal-to-Interference-plus-Noise Ratio (SINR) by controlling a residual gain in a high speed packet access system are provided. The apparatus includes a gain controller for measuring an intensity of a signal outputted from a residual gain controller, for outputting a gain control signal for controlling a gain of an interval of a preset gain resolution of a radio frequency integrated circuit according to the intensity of measured signal, and for outputting a residual gain value for controlling a residual gain less than the preset gain resolution, wherein the radio frequency integrated circuit gain-controls a signal inputted according to the gain control signal, and the residual gain controller multiplies the gain-controlled signal by the residual gain value to compensate the residual gain.Type: ApplicationFiled: August 19, 2010Publication date: February 24, 2011Applicant: Samsung Electronics Co. Ltd.Inventors: Hung Su PARK, Shin Woo KANG, Ki Hwan JEON, Joo Kwang KIM, Sung Chul HAN
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Publication number: 20100104052Abstract: An automatic gain control apparatus and method for a compressed mode in a MIMO system are provided. The method includes determining power at a first frequency band using a first receiver, simultaneously determining power at a second frequency band using a second receiver in a compressed mode, if the second receiver changes a power determination frequency band into the first frequency band, correcting the power determination value of the first receiver, and applying the corrected power determination value of the first receiver to the second receiver.Type: ApplicationFiled: October 28, 2009Publication date: April 29, 2010Applicant: SAMSUNG ELECTRONICS CO. LTD.Inventors: Hung-Su PARK, Shin-Woo KANG, Soo-Bok YEO, Ki-Hwan JEON, Joo-Kwang KIM, Sung-Chul HAN
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Patent number: 7450918Abstract: An apparatus for controlling a gain of a transceiving device in a terminal for a communication system is disclosed. A memory stores predetermined thresholds for level-by-level gain controlling. A signal intensity detector detects an intensity value of a received signal. Comparators compare the received signal intensity value with thresholds predetermined according to the current state. A state detector detects a gain level for the current state according to the comparison results provided from the comparators. A controller updates the current state according to the detected gain level, controls a gain of the transceiving device according to the updated current state, and sets thresholds corresponding to the updated current state in the comparators.Type: GrantFiled: October 11, 2005Date of Patent: November 11, 2008Assignee: Samsung Electronics Co., Ltd.Inventor: Hung-Su Park
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Publication number: 20080130725Abstract: A method and apparatus for canceling interference during reception of a broadcast signal in a hybrid terminal including a broadcast receiver and a mobile communication terminal. In the interference cancellation apparatus, a gain controller adjusts transmission power of the mobile communication terminal, and a transmission power controller determines whether there is a burst of a broadcast signal that the broadcast receiver will receive. If there is a burst of the broadcast signal, the transmission power controller controls the gain controller to decrease transmission power of a mobile communication signal transmitted by the mobile communication terminal at a corresponding slot.Type: ApplicationFiled: November 27, 2007Publication date: June 5, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun-Seok YU, Hyun-Seok Oh, Hung-Su Park
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Publication number: 20070287400Abstract: Provided is a method and apparatus for controlling a gain of a receiver in a wireless communication system. The method of controlling a gain of a received signal in a receiver using a Low Noise Amplifier (LNA) and a Variable Gain Amplifier (VGA) includes respectively generating first gain control signals for the LNA and the VGA based on a signal received via an antenna and digitized by the LNA and the VGA, measuring a power detection value from power of a low-noise-amplified signal by the LNA, determining offsets for controlling increase and decrease of the first gain control signals based on the power detection value of the LNA output, and respectively providing second gain control signals obtained by adding the offsets to the first gain control signals to the LNA and the VGA.Type: ApplicationFiled: March 29, 2007Publication date: December 13, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun-Seok Yu, Hung-Su Park, Hyun-Seok Oh
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Patent number: 7031204Abstract: A register apparatus and method for providing a two-way gating structure for receiving a write enable signal, a chip select signal, at least one read signal, and an address signal for a register. The apparatus and method comprise a two-way gating portion for generating a coded write address by AND-operating a first signal with the address signal, a coded read address by AND-operating a second signal with the address signal, and a reader activation signal by AND-operating the read signal with the second signal. The first and second signals are generated by AND-operating the chip select signal with the write enable signal and by AND-operating the chip select signal with an inverted write enable signal. A writer decodes the coded write address and generates write signals using the decoded write address and data received from a bus. A reader decodes the coded read address and generates data using data read from the register and the decoded read address.Type: GrantFiled: July 15, 2004Date of Patent: April 18, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Hung-Su Park, Ho-Seung Lee
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Publication number: 20060079186Abstract: An apparatus for controlling a gain of a transceiving device in a terminal for a communication system is disclosed. A memory stores predetermined thresholds for level-by-level gain controlling. A signal intensity detector detects an intensity value of a received signal. Comparators compare the received signal intensity value with thresholds predetermined according to the current state. A state detector detects a gain level for the current state according to the comparison results provided from the comparators. A controller updates the current state according to the detected gain level, controls a gain of the transceiving device according to the updated current state, and sets thresholds corresponding to the updated current state in the comparators.Type: ApplicationFiled: October 11, 2005Publication date: April 13, 2006Inventor: Hung-Su Park
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Patent number: 6983133Abstract: Disclosed is a linearization method in a mobile communication terminal wherein automatic gain control signals are divided into a plurality of entry regions, and which includes an initial value for a first entry region among the plurality of entry regions, a resolution constant and a slope character value for each entry region for generating a linear automatic gain control signal which guarantee a linearity of amplification gain of an amplifier.Type: GrantFiled: December 6, 2002Date of Patent: January 3, 2006Assignee: Samsung Electronics Co., Ltd.Inventor: Hung-Su Park
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Publication number: 20050013177Abstract: A register apparatus and method for providing a two-way gating structure for receiving a write enable signal, a chip select signal, at least one read signal, and an address signal for a register. The apparatus and method comprise a two-way gating portion for generating a coded write address by AND-operating a first signal with the address signal, a coded read address by AND-operating a second signal with the address signal, and a reader activation signal by AND-operating the read signal with the second signal. The first and second signals are generated by AND-operating the chip select signal with the write enable signal and by AND-operating the chip select signal with an inverted write enable signal. A writer decodes the coded write address and generates write signals using the decoded write address and data received from a bus. A reader decodes the coded read address and generates data using data read from the register and the decoded read address.Type: ApplicationFiled: July 15, 2004Publication date: January 20, 2005Inventors: Hung-Su Park, Ho-Seung Lee
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Publication number: 20030124997Abstract: Disclosed is a linearization method in a mobile communication terminal wherein automatic gain control signals are divided into a plurality of entry regions, and which includes an initial value for a first entry region among the plurality of entry regions, a resolution constant and a slope character value for each entry region for generating a linear automatic gain control signal which guarantee a linearity of amplification gain of an amplifier.Type: ApplicationFiled: December 6, 2002Publication date: July 3, 2003Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Hung-Su Park