Patents by Inventor Soon-Young Yoon

Soon-Young Yoon 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 REDUCING VOLUME OF RESOURCE ALLOCATION INFORMATION MESSAGE IN A BROADBAND WIRELESS COMMUNICATION SYSTEM
    Publication number: 20080009294
    Abstract: An apparatus and method for reducing the volume of a resource allocation information message in a broadband wireless communication system are provided, in which a scheduler determines whether to generate uplink control region allocation information, and a generator generates the uplink control region allocation information according to a result of the determination.
    Type: Application
    Filed: July 9, 2007
    Publication date: January 10, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-Kwun CHO, In-Seok HWANG, June MOON, Chung-Ryul CHANG, Jae-Ho JEON, Soon-Young YOON
  • METHOD FOR TRANSMITTING COMMON CONTROL INFORMATION IN A WIRELESS MOBILE COMMUNICATION SYSTEM
    Publication number: 20070293234
    Abstract: A method for transmitting common control information in a wireless mobile communication system is provided. The method includes transmitting common control information by a first Base Station (BS) to a second BS and broadcasting by the second BS the common control information received from the first BS. Accordingly, transmission of the control information by the second BS saves time and frequency resources in the communication system.
    Type: Application
    Filed: June 14, 2007
    Publication date: December 20, 2007
    Inventors: Yong-Seok KIM, June Moon, Soon-Young Yoon
  • Method and System For Controlling Power In A Communication System
    Publication number: 20070280183
    Abstract: A method for controlling power in a communication system is disclosed. The power control method includes the steps of calculating a first offset according to traffic information of a mobile station and data transmission channel quality information of the mobile station, determining a second offset according to received channel quality information of the mobile station, received from the mobile station, determining a third offset according to interference information received from other base stations neighboring the base station, and transmitting, to the mobile station, power control information determined based on the first offset, the second offset and the third offset.
    Type: Application
    Filed: June 1, 2007
    Publication date: December 6, 2007
    Applicant: Samsung Electronics Co., LTD.
    Inventors: Jae-Hee CHO, Kwan-Hee Roh, Soon-Young Yoon, Kyung-Joo Suh, In-Seok Hwang
  • Apparatus and method for reporting service load to mobile station in mobile telecommunication system
    Patent number: 7298773
    Abstract: There is provided a method and apparatus for selecting an appropriate base station and an optimal data rate to provide a voice service and a data service based on a voice service load in a CDMA system. A base station transmits two pilot signals orthogonally spread with different orthogonal codes in association with its voice service load, and a mobile station estimates the voice service load based on a pilot power ratio.
    Type: Grant
    Filed: January 7, 2005
    Date of Patent: November 20, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yu-Suk Yun, Soon-Young Yoon, Hee-Won Kang, Jae-Heung Yeom, Sang-Hyun Yang, Hoon Huh
  • Apparatus and method for calibrating and compensating for distortion of an output signal in a smart antenna
    Patent number: 7292877
    Abstract: Disclosed is an apparatus and method for calibrating and compensating for distortion of an output signal to an antenna in a mobile communication system with a smart antenna array. A calibration signal generator generates an extended Walsh code by extending a Walsh code used in the mobile communication system, and generates a calibration signal in synchronism with a Walsh code synchronization signal of the mobile communication system. A mobile communication signal generator generates a traffic signal for forming a beam pattern to a position of a mobile terminal in communication. A multiplier multiplies an error compensation value by an output signal of the mobile communication signal generator. An adder adds an output of the multiplier to an output signal of the calibration signal generator.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: November 6, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soon-Young Yoon, Su-Woong Youn
  • Channel estimation apparatus and method for interference cancellation in mobile communication system
    Publication number: 20070242782
    Abstract: Channel estimation apparatus and method for interference cancellation in a mobile communication system are provided. The channel estimation method includes detecting a preamble from a received signal and estimating a primary channel using the detected preamble; calculating a short-term correlation matrix using the primary channel; and estimating a secondary channel using the calculated short-term correlation matrix according to a certain channel estimation scheme.
    Type: Application
    Filed: March 13, 2007
    Publication date: October 18, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Young Han, Keun-Chul Hwang, Soon-Young Yoon, Sung-Soo Hwang, June Moon, Joo-Hyun Lee
  • Apparatus and method for generating log likelihood ratio in multiple-input multiple-output communication system
    Publication number: 20070237272
    Abstract: An apparatus and method for generating LLRs in an MIMO communication system. In a receiver for a spatial multiplexing communication system, a determiner performs an MML decoding operation in an ascending or descending order of TX antennas to estimate a plurality of candidate TX vectors. A distance calculator calculates a Euclidean distance for each of the candidate TX vectors from the determiner. An LLR calculator calculates LLRs using the Euclidean distances from the distance calculator. Accordingly, it is possible to generate an LLR with high reliability at low complexity in an MIMO communication system.
    Type: Application
    Filed: April 7, 2007
    Publication date: October 11, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun-Chul Hwang, Soong-Yoon Choi, Soon-Young Yoon
  • Iterative detection and decoding apparatus and method in MIMO system
    Publication number: 20070230609
    Abstract: An iterative detection and decoding method in a Multiple Input Multiple Output (MIMO) system includes detecting entire MIMO nodes to generate soft decision values; decoding a first soft decision value among the soft decision values; determining whether to perform an iterative detection and decoding by measuring reliability of the decoded first decoding signal; generating a soft decision value by performing a redetection of a MIMO node containing the soft decision value, when the decoded soft decision value is iteratively detected and decoded; and decoding a second soft decision value among the soft decision values.
    Type: Application
    Filed: December 18, 2006
    Publication date: October 4, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun-Chul Hwang, Sung-Woo Park, Soon-Young Yoon, Young-Hoon Kwon, Sung-Soo Hwang, Soong-Yoon Choi
  • Apparatus and method for measuring SINR in mobile communication system using preambles
    Publication number: 20070217495
    Abstract: Apparatus and method for measuring an SINR in a mobile communication system using preambles. Calculated are an average noise power using a CP of an RX signal, a signal power of a serving segment, an average power of the serving segment, and an interference power of the serving segment, an average power of each interference segment, and an interference power of each interference segment using the difference between the calculated average noise power and the calculated average power. An SINR of the RX signal is calculated by dividing the calculated signal power of the serving segment by the sum of the calculated average noise power and the total interference power of all the segments.
    Type: Application
    Filed: March 2, 2007
    Publication date: September 20, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Young Han, Soon-Young Yoon, Keun-Chul Hwang, Sung-Soo Hwang, June Moon, Jong-In Kim
  • Apparatus and method for channel estimation in a wireless communication system
    Publication number: 20070217533
    Abstract: An apparatus and method for channel estimation in a wireless communication system are provided, in which a first channel estimate is calculated using a pilot signal included in a received signal, a data signal included in the received signal is demodulated using the first channel estimate, a second channel estimate is calculated using the demodulated data signal, the first channel estimate is corrected using the second channel estimate and the data signal is demodulated using the corrected first channel estimate.
    Type: Application
    Filed: March 5, 2007
    Publication date: September 20, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun-Chul Hwang, Sung-Woo Park, Soon-Young Yoon, Ki-Young Han
  • LDPC decoding apparatus and method based on node memory
    Publication number: 20070220398
    Abstract: An apparatus is provided for decoding a Low-Density Parity Check (LDPC) code in a communication system. In the LDPC decoding apparatus, an edge memory stores a message delivered through an edge between a variable node and a check node. A node memory stores a node value. A node processor performs a node processing operation using information stored in at least one of the node memory and the edge memory, stores a check node value generated by performing the node processing operation in the node memory, and stores a message generated by performing the node processing operation in the edge memory. A switch switches outputs of the node memory and the node processor through a permutation operation. A parity check verifier parity-checks an output from the node memory. A controller provides a control signal for controlling the node processor.
    Type: Application
    Filed: February 2, 2007
    Publication date: September 20, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: June Moon, Seul-Ki Bae, Soon-Young Yoon
  • Apparatus and method for acquiring frame synchronization in broadband wireless communication system
    Publication number: 20070217532
    Abstract: Provided are an apparatus and a method for acquiring frame synchronization in a broadband wireless communication system using a plurality of preamble sub-carrier patterns. The apparatus includes a plurality of preamble detectors that perform phase compensation on input sample data in accordance with a corresponding pattern and computes correlation values for respective time indices by using the phase-compensated sample data; an adder that sums the correlation values received from the preamble detectors; and a synchronization determination unit that compares sums obtained from the adder so as to select a maximum value and determines a time index corresponding to the maximum value as the frame synchronization.
    Type: Application
    Filed: March 5, 2007
    Publication date: September 20, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Woo Park, Ki-Young Han, Soon-Young Yoon
  • Apparatus and method for simultaneously receiving two neighboring frequency assignments in a cellular system
    Publication number: 20070191017
    Abstract: An apparatus and method for allocating a frequency band to an MS in a cellular system with a frequency reuse factor of N are provided, in which a frequency allocator determines whether the MS receives data simultaneously from two BSs using neighboring FAs and allocates a frequency band to the MS according to the determination, and a subcarrier mapper maps the data to subcarriers according to the frequency band allocated to the MS.
    Type: Application
    Filed: January 25, 2007
    Publication date: August 16, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-Young Han, Yong-Seok Kim, Young-Hoon Kwon, Soon-Young Yoon
  • Apparatus and method for transmitting and receiving signals in a wireless communication system
    Publication number: 20070191062
    Abstract: An apparatus and method for transmitting and receiving signals in a wireless communication system with at least two antenna are provided, in which a first antenna transmits a transmission signal, a second antenna receives a reception signal, a transmitter sends the transmission signal through the first antenna and a receiver receives the reception signal through the second antenna.
    Type: Application
    Filed: January 4, 2007
    Publication date: August 16, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-Seok Kim, Young-Hoon Kwon, Soon-Young Yoon, Sung-Soo Hwang
  • Apparatus and method for receiving a signal in a communication system
    Publication number: 20070190945
    Abstract: An apparatus and method for receiving a signal in a communication system are provided. Information related to a first modulation scheme applied to a frequency domain in a serving base station is received from the serving base station. Information related to a second modulation scheme applied to the frequency domain in at least one neighbor base station is received from the at least one neighbor base station. A signal is received in the frequency domain. Channel state information is generated by estimating the received signal. A determination is made as to whether to use interference cancellation using the channel state information, the first modulation scheme information and the second modulation scheme information.
    Type: Application
    Filed: January 3, 2007
    Publication date: August 16, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-Hyun Lee, Ki-Young Han, Soon-Young Yoon, Keun-Chul Hwang
  • Method and system for transmitting/receiving data in a communication system
    Publication number: 20070191015
    Abstract: A method is provided for transmitting/receiving data in a communication system. The method includes determining, when data to be transmitted to at least one Mobile Station (MS) is generated, a region where an MS that receive the generated data among the at least one MS is located, allocating resources of a data transmission region divided into a first region and a second region to the MS that receive the generated data according to the determination result, including the generated data in a region where the resource is allocated, and including, in a MAP message region, resource allocation information of the region where the data is included and information on an MS that receive the data included in the resource-allocated region, and transmitting, to the MS, a frame including the region in which the generated data is included, and the MAP message region.
    Type: Application
    Filed: January 4, 2007
    Publication date: August 16, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Soo Hwang, Soon-Young Yoon, Yong-Seok Kim, Ki-Young Han, Keun-Chul Hwang, Joo-Hyun Lee, June Moon
  • Apparatus and method for receiving a signal in a communication system
    Publication number: 20070183544
    Abstract: In a communication system, information regarding a first modulation scheme applied to a frequency domain in a serving base station is received from the serving base station. A signal of the frequency domain is received. A second modulation scheme is set by estimating a modulation scheme applied to the frequency domain in at least one neighbor base station from the received signal. Channel state information is generated by estimating the received signal. An operation for selecting whether to use interference cancellation is performed using the channel state information, the first modulation scheme information and the second modulation scheme.
    Type: Application
    Filed: January 8, 2007
    Publication date: August 9, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-Hyun Lee, Keun-Chul Hwang, Soon-Young Yoon, Sung-Soo Hwang, June Moon, Ki-Young Han
  • Apparatus and method for interference cancellation in a wireless communication system
    Publication number: 20070183524
    Abstract: A symbol demapping method and apparatus for efficient interference cancellation in a wireless communication system. Decision signal points are generated which include decision signal points based on a modulation scheme and a virtual signal point added to a zero point. A magnitude of a complex value of an input signal is compared with a threshold based on system setting. When the magnitude of the complex value is less than the threshold, the virtual signal point of the zero point is mapped and output as a target decision signal point. When the magnitude of the complex value is greater than or equal to the threshold, one of the decision signal points based on the modulation scheme is mapped and output according to the com0plex value.
    Type: Application
    Filed: January 10, 2007
    Publication date: August 9, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: June Moon, Soon-Young Yoon, Ki-Young Han, Keun-Chul Hwang, Joo-Hyun Lee, Sung-Soo Hwang
  • Method and system for allocating resource in a communication system
    Publication number: 20070173198
    Abstract: A method for allocating resource in a communication system. The resource allocation method includes dividing a data transmission region into a first region and a second region; allocating resource of the first region when a first Mobile Station (MS) among MSs is an MS located in a non-interference region; and allocating resource of the second region when a second MS among the MSs is an MS located in an interference region.
    Type: Application
    Filed: January 4, 2007
    Publication date: July 26, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-Seok Kim, Soon-Young Yoon, Sung-Soo Hwang, Ki-Young Han, June Moon, Joo-Hyun Lee, Keun-Chul Hwang
  • Partial iterative detection and decoding apparatus and method in MIMO system
    Publication number: 20070150797
    Abstract: A partial iterative detection and decoding apparatus in a Multiple Input Multiple Output (MIMO) system includes a detector for detecting signals received through at least one receive antenna to generate a first soft decision value, a decoder for decoding the first soft decision value to generate a second soft decision value, and a reliability determiner for determining a signal to be iteratively detected and decoded by using the second soft decision value. Accordingly, the complexity of the receiver is reduced and the number of iterations limited due to the complexity is increased, thereby improving the performance of the receiver.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 28, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun-Chul Hwang, Sung-Woo Park, Soon-Young Yoon, Young-Hoon Kwon, June Moon