Patents by Inventor Byung Kwan Yi

Byung Kwan Yi 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).

  • Patent number: 9648532
    Abstract: The present invention relates to a method of transmitting and receiving data in soft handoff of a wireless communication system. According to an aspect of the present invention, in the method of receiving data in soft handoff of a wireless communication system, a mobile station receives a first sequence being generated by interleaving transmission data using a first interleaver pattern, and also receives a second sequence being generated by interleaving the transmission data using a second interleaver pattern. Then, the mobile station combines and decodes the first sequence and the second sequence before receiving an entire frame having the first sequence allocated thereto.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: May 9, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Ki Jun Kim, Byung Kwan Yi, Sang Gook Kim, Dong Wook Roh
  • Publication number: 20150282031
    Abstract: The present invention relates to a method of transmitting and receiving data in soft handoff of a wireless communication system. According to an aspect of the present invention, in the method of receiving data in soft handoff of a wireless communication system, a mobile station receives a first sequence being generated by interleaving transmission data using a first interleaver pattern, and also receives a second sequence being generated by interleaving the transmission data using a second interleaver pattern. Then, the mobile station combines and decodes the first sequence ad the second sequence before receiving an entire frame having the first sequence allocated thereto.
    Type: Application
    Filed: April 28, 2015
    Publication date: October 1, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Ki Jun KIM, Byung Kwan YI, Sang Gook KIM, Dong Wook ROH
  • Patent number: 9049636
    Abstract: The present invention relates to a method of transmitting and receiving data in soft handoff of a wireless communication system. According to an aspect of the present invention, in the method of receiving data in soft handoff of a wireless communication system, a mobile station receives a first sequence being generated by interleaving transmission data using a first inter leaver pattern, and also receives a second sequence being generated by interleaving the transmission data using a second interleaver pattern. Then, the mobile station combines and decodes the first sequence and the second sequence before receiving an entire frame having the first sequence allocated thereto.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: June 2, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Ki Jun Kim, Byung Kwan Yi, Sang Gook Kim, Dong Wook Roh
  • Patent number: 8411618
    Abstract: The present invention relates to a wireless communication system and, more particularly, to a method of transmitting and receiving frame in a wireless communication system. A method for transmitting a frame of a base station in a wireless communication system comprises the steps of transmitting a first region of the frame to a mobile station by using a first traffic to pilot ratio (hereinafter referred to as “TPR”); and transmitting a second region of the frame to the mobile station by using a second TPR, wherein the second TPR is different from the first TPR.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: April 2, 2013
    Assignee: LG Electronics Inc.
    Inventors: Sang Gook Kim, Li-Hsiang Sun, Byung Kwan Yi, Dong Wook Roh
  • Patent number: 8369214
    Abstract: The present invention relates to a method of transmitting and receiving data in soft handoff of a wireless communication system. According to an aspect of the present invention, in the method of receiving data in soft handoff of a wireless communication system, a mobile station receives a first sequence being generated by interleaving transmission data using a first interleaver pattern, and also receives a second sequence being generated by interleaving the transmission data using a second interleaver pattern. Then, the mobile station combines and decodes the first sequence and the second sequence before receiving an entire frame having the first sequence allocated thereto.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: February 5, 2013
    Assignee: LG Electronics Inc.
    Inventors: Ki Jun Kim, Byung Kwan Yi, Sang Gook Kim, Dong Wook Roh
  • Patent number: 8261168
    Abstract: The present invention relates to a method for transmitting a signal in a wireless communication system. The method includes channel coding a data stream using a first turbo encoded puncture pattern, and channel coding the data stream using a second turbo encoded puncture pattern. Preferably, the first turbo encoded puncture pattern is a turbo encoded puncture pattern of a first local operator infrastructure (LOI) and the second turbo encoded puncture pattern is a turbo encoded puncture pattern of a second LOI that neighbors the first LOI.
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: September 4, 2012
    Assignee: LG Electronics Inc.
    Inventors: Shu Wang, Byung Kwan Yi, Sang Gook Kim, Soon Yil Kwon
  • Patent number: 8055244
    Abstract: A method of allocating a mobile station unique number and method of configuring a public long code mask (PLCM) using the same are disclosed, which are suitable for a normal operation between the mobile station and the system. The present invention includes the steps of re-allocating a manufacturer code of the mobile station unique number to a mobile station and transmitting to the mobile station re-allocation type (RECYCLED_TYPE) information indicating how many times the re-allocating step is carried out. Accordingly, the present invention enables allocation of additional ESN without collision with PLCM even if ESN is exhausted.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: November 8, 2011
    Assignee: LG Electronics Inc.
    Inventors: Ki Jun Kim, Young Jun Kim, Chan Ho Kyung, Jong Hoe An, Sang Gook Kim, Byung Kwan Yi
  • Patent number: 7826548
    Abstract: A method of transmitting more than one signal in a wireless communication system is provided. The method comprises allocating multiple symbols to a first signal constellation and a second signal constellation, wherein the first signal constellation refers to base layer signals and the second signal constellation refers to enhancement layer signals; modulating the multiple symbols of the first signal constellation and the second signal constellation; and transmitting the modulated symbols, wherein configuration information used for modulating the multiple symbols is provided in a control message.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: November 2, 2010
    Assignee: LG Electronics, Inc.
    Inventors: Shu Wang, Sang Gook Kim, Young Cheul Yoon, Soon Yil Kwon, Li-Hsiang Sun, Ho Bin Kim, Suk Woo Lee, Byung Kwan Yi
  • Patent number: 7715787
    Abstract: A method of transmitting subpackets in a mobile communication system using at least one frequency carrier is disclosed. More specifically, the method comprises receiving a first broadcast subpacket from a base station (BS) at a first time slot on a first frequency carrier, and receiving at least one subsequent broadcast subpacket from the BS via at least one relay station (RS) at a second time slot on a second frequency carrier, wherein information of the first broadcast subpacket and the subsequent broadcast subpacket are the same.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: May 11, 2010
    Assignee: LG Electronics Inc.
    Inventors: Young Cheul Yoon, Sang Gook Kim, Li-Hsiang Sun, Byung Kwan Yi, Woo Hyun Paik
  • Patent number: 7710916
    Abstract: A method of establishing connection between a first mobile station (MS) and a second MS in a mobile communication system is disclosed. More specifically, the method includes transmitting to at least one base station (BS) a service message which includes information of at least one service type supported by the first MS and the second MS. Here the at least one service type relates to a multimedia service supported by each of the first MS and the second MS. Furthermore, the method includes transmitting a request message which includes information of at least one service type selected by the first MS, receiving a response message which includes information of the selected service type which is supported by both the first MS and a second MS, and transmitting a connection complete message between the first MS and the second MS for communication using the selected service type.
    Type: Grant
    Filed: July 19, 2006
    Date of Patent: May 4, 2010
    Assignee: LG Electronics Inc.
    Inventors: Chan Ho Kyung, Byung Kwan Yi, Sang Gook Kim
  • Publication number: 20100091735
    Abstract: The present invention relates to a method of transmitting and receiving data in soft handoff of a wireless communication system. According to an aspect of the present invention, in the method of receiving data in soft handoff of a wireless communication system, a mobile station receives a first sequence being generated by interleaving transmission data using a first interleaver pattern, and also receives a second sequence being generated by interleaving the transmission data using a second interleaver pattern. Then, the mobile station combines and decodes the first sequence and the second sequence before receiving an entire frame having the first sequence allocated thereto.
    Type: Application
    Filed: September 21, 2009
    Publication date: April 15, 2010
    Inventors: Ki Jun Kim, Byung Kwan Yi, Sang Gook Kim, Dong Wook Roh
  • Publication number: 20100067441
    Abstract: The present invention relates to a wireless communication system and, more particularly, to a method of transmitting and receiving frame in a wireless communication system. A method for transmitting a frame of a base station in a wireless communication system comprises the steps of transmitting a first region of the frame to a mobile station by using a first traffic to pilot ratio (hereinafter referred to as “TPR”); and transmitting a second region of the frame to the mobile station by using a second TPR, wherein the second TPR is different from the first TPR.
    Type: Application
    Filed: September 4, 2009
    Publication date: March 18, 2010
    Inventors: Sang Gook Kim, Li-Hsiang Sun, Byung Kwan Yi, Dong Wook Roh
  • Publication number: 20090077450
    Abstract: The present invention relates to a method for transmitting a signal in a wireless communication system. The method includes channel coding a data stream using a first turbo encoded puncture pattern, and channel coding the data stream using a second turbo encoded puncture pattern. Preferably, the first turbo encoded puncture pattern is a turbo encoded puncture pattern of a first local operator infrastructure (LOI) and the second turbo encoded puncture pattern is a turbo encoded puncture pattern of a second LOI that neighbors the first LOI.
    Type: Application
    Filed: September 16, 2008
    Publication date: March 19, 2009
    Inventors: Shu Wang, Byung Kwan Yi, Sang Gook Kim, Soon Yil Kwon
  • Publication number: 20090022234
    Abstract: A method of transmitting more than one signal in a wireless communication system is provided. The method comprises allocating multiple symbols to a first signal constellation and a second signal constellation, wherein the first signal constellation refers to base layer signals and the second signal constellation refers to enhancement layer signals; modulating the multiple symbols of the first signal constellation and the second signal constellation; and transmitting the modulated symbols, wherein configuration information used for modulating the multiple symbols is provided in a control message.
    Type: Application
    Filed: March 24, 2008
    Publication date: January 22, 2009
    Inventors: Shu Wang, Sang Gook Kim, Young Cheul Yoon, Soon Yil Kwon, Li-Hsiang Sun, Ho Bin Kim, Suk Woo Lee, Byung Kwan Yi
  • Publication number: 20080318581
    Abstract: A method of allocating a mobile station unique number and method of configuring a public long code mask (PLCM) using the same ar disclosed, which are suitable for a normal operation between the mobile station and the system. The present invention includes the steps of re-allocating a manufacturer code of the mobile station unique number to a mobile station and transmitting to the mobile station re-allocation type (RECYCLED_TYPE) information indicating how many times the re-allocating step is carried out. Accordingly, the present invention enables allocation of additional ESN without collision with PLCM even if ESN is exhausted.
    Type: Application
    Filed: July 8, 2005
    Publication date: December 25, 2008
    Applicant: LG ELECTRONICS INC.
    Inventors: Ki Jun Kim, Young Jun Kim, Chan Ho Kyung, Jong Hoe An, Sang Gook Kim, Byung Kwan Yi
  • Patent number: 6094427
    Abstract: Communication systems, including, for example, cell-based mobile communication systems, multiple satellite communication systems, or multibeam satellite systems, require reliable handoff methods between cell-to-cell, beam-to-beam, or satellite-to-satellite respectively. Recent measurement of a CDMA cellular system indicates that the system is in handoff about 30% to 50% of an average call period. Therefore, system reliability during handoff is one of the major system performance parameters and eventually becomes a factor in the overall system capacity. The present invention advantageously relates to novel and improved techniques for handoff in cellular communications, multibeam and multisatellite systems. The present invention combines the soft handoff mechanism with a code diversity combining technique (i.e., combining signals from multiple sources), a packet combining technique (i.e., combining multiple signals), and an iterative decoding algorithm (e.g., Turbo Coding).
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: July 25, 2000
    Assignee: LG Information and Communications, Ltd.
    Inventor: Byung Kwan Yi
  • Patent number: 6061387
    Abstract: A system and method for broadcasting an audio signal in a turbo-coded satellite digital audio broadcasting system is provided that utilizes the combination of a turbo coding system having code combining and code diversity techniques to lower the power required for transmittal and to transmit at a higher code rate of 1/4 by utilizing the puncturing sequence and a pilot signal assisted orthogonal CDMA; the invention includes an improved receiver system that uses modified RAKE receivers in order to mitigate the Rayleigh multipath fading, shadowing, and temporal blockage and improve performance. The invention further uses a terrestrial gap filler network having a reduced amount of gap fillers.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: May 9, 2000
    Assignee: Orbital Sciences Corporation
    Inventor: Byung Kwan Yi
  • Patent number: 5978365
    Abstract: Communication systems, including, for example, cell-based mobile communication systems, multiple satellite communication systems, or multibeam satellite systems, require reliable handoff methods between cell-to-cell, beam-to-beam, or satellite-to-satellite respectively. Recent measurement of a CDMA cellular system indicates that the system is in handoff about 30% to 50% of an average call period. Therefore, system reliability during handoff is one of the major system performance parameters and eventually becomes a factor in the overall system capacity. The present invention advantageously relates to novel and improved techniques for handoff in cellular communications, multibeam and multisatellite systems. The present invention combines the soft handoff mechanism wvith a code diversity combining technique (i.e., combining signals from multiple sources), a packet combining technique (i.e., combining multiple signals), and an iterative decoding algorithm (e.g., Turbo Coding).
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: November 2, 1999
    Assignee: Orbital Sciences Corporation
    Inventor: Byung Kwan Yi
  • Patent number: 5970085
    Abstract: A system and method for broadcasting an audio signal in a turbo-coded satellite digital audio broadcasting system is provided that utilizes the combination of a turbo coding system having code combining and code diversity techniques to lower the power required for transmittal and to transmit at a higher code rate of 1/4 by utilizing the puncturing sequence and a pilot signal assisted orthogonal CDMA; the invention includes an improved receiver system that uses modified RAKE receivers in order to mitigate the Rayleigh multipath fading, shadowing, and temporal blockage and improve performance. The invention further uses a terrestrial gap filler network having a reduced amount of gap fillers.
    Type: Grant
    Filed: April 17, 1998
    Date of Patent: October 19, 1999
    Assignee: Orbital Sciences Corporation
    Inventor: Byung Kwan Yi
  • Patent number: 5907582
    Abstract: A system and method for broadcasting an audio signal in a turbo-coded satellite digital audio broadcasting system is provided that utilizes the combination of a turbo coding system having code combining and code diversity techniques to lower the power required for transmittal and to transmit at a higher code rate of 1/4 by utilizing the puncturing sequence and a pilot signal assisted orthogonal CDMA; the invention includes an improved receiver system that uses modified RAKE receivers in order to mitigate the Rayleigh multipath fading, shadowing, and temporal blockage and improve performance. The invention further uses a terrestrial gap filler network having a reduced amount of gap fillers.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: May 25, 1999
    Assignee: Orbital Sciences Corporation
    Inventor: Byung Kwan Yi