Patents by Inventor Kum-ran Ji

Kum-ran Ji 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: 9210429
    Abstract: Provided is an error correcting encoder and, more particularly, to an error correcting encoder used for an improved transmission method of the Advanced Television System Committee (ATSC), and a method thereof. The error correcting encoder for digital television broadcasting, which is suggested in the present research, includes a robust encoder for encoding a one-bit input into robust encoded data; a pre-coding block for receiving the robust encoded data and performing pre-coding to thereby produce a pre-coded signal; and a trellis encoding block for performing trellis encoding on the robust encoded data and the pre-coded signal.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: December 8, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kum-ran Ji, Sung-hoon Kim, Jae-young Lee, Seung-won Kim, Soo-in Lee, Chie-teuk Ahn, Jae-bum Kim, Hyun-cheol Park
  • Patent number: 9204176
    Abstract: Provided are a digital broadcast transmitter, a digital broadcast receiver, a method for processing a stream of the transmitter, and a method for processing a stream of the receiver. The method of processing the stream of the transmitter includes: generating a stream in which a plurality of slots of different formats is consecutively arranged; and encoding and interleaving the generated stream, and outputting the encoded and interleaved stream as a transport stream, wherein the generating the stream includes arranging at least one of second mobile data, training data, and dummy data in an orphan region generated according to a difference of the formats between consecutive slots of the plurality of slots.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: December 1, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-hee Jeong, Hak-ju Lee, Yong-Sik Kwon, Kum-ran Ji
  • Patent number: 8891465
    Abstract: The method for transporting a digital broadcast stream includes: receiving a transport stream, including mobile broadcast data that is placed in at least a part of a normal data area allocated to normal data and signaling data that includes an FIC chunk header with a variable length; decoding the signaling data; and decoding the mobile data using the decoded signaling data.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: November 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-il Park, Hae-joo Jeong, Sung-jin Park, June-hee Lee, Jung-jin Kim, Yong-sik Kwon, Jin-hee Jeong, Ga-hyun Ryu, Kyo-shin Choo, Kum-ran Ji, Jong-hwa Kim, Chan-sub Park
  • Patent number: 8879651
    Abstract: A transmission system to transmit a transport stream (TS) having normal data and additional data, the transmission system including: a stream constructor to generate a TS, and a multiplexer (MUX) to insert information representing the characteristics of additional data in the TS. Therefore, it is possible for a reception system to use the additional data efficiently.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: November 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kum-Ran Ji, Jung-Pil Yu, Chan-Sub Park
  • Patent number: 8831038
    Abstract: A transmission stream (TS) generating apparatus includes an adaptor which receives general data and generates a stream having a plurality of packets, and which provides adaptive field in some of the plurality of packets, and an inserter which inserts additional data into all the payload areas of some of the plurality of packets that are not provided with the adaptive fields. Because additional data is transmitted, without requiring adaptive field header in certain packet, a data transmission rate is increased.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: September 9, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-pil Yu, Hae-joo Jeong, Chan-sub Park, Kum-ran Ji
  • Patent number: 8830995
    Abstract: A transmission stream (TS) generating apparatus includes an adaptor which receives general data and generates a stream having a plurality of packets, and which provides adaptive field in some of the plurality of packets, and an inserter which inserts additional data into all the payload areas of some of the plurality of packets that are not provided with the adaptive fields. Because additional data is transmitted, without requiring adaptive field header in certain packet, a data transmission rate is increased.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: September 9, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-pil Yu, Hae-joo Jeong, Chan-sub Park, Kum-ran Ji
  • Patent number: 8824503
    Abstract: A transmission stream (TS) generating apparatus includes an adaptor which receives general data and generates a stream having a plurality of packets, and which provides adaptive field in some of the plurality of packets, and an inserter which inserts additional data into all the payload areas of some of the plurality of packets that are not provided with the adaptive fields. Because additional data is transmitted, without requiring adaptive field header in certain packet, a data transmission rate is increased.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: September 2, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-pil Yu, Hae-joo Jeong, Chan-sub Park, Kum-ran Ji
  • Patent number: 8811304
    Abstract: A method for processing a stream of a digital broadcast receiver is provided. The method which processes a stream that is divided into a first area allocated to first mobile data and a second area allocated to normal data, includes: receiving a transport stream including new mobile data in at least a part of the second area separately from the first mobile data, demodulating the transport stream, equalizing the demodulated transport stream, and decoding at least one of the first mobile data and the new mobile data from the equalized transport stream. Accordingly, mobile data services may be provided in various ways.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: August 19, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ga-hyun Ryu, Yong-sik Kwon, June-hee Lee, Chan-sub Park, Jung-jin Kim, Kyo-shin Choo, Kum-ran Ji, Sung-il Park, Jong-hwa Kim
  • Patent number: 8804805
    Abstract: Disclosed is a method of processing a stream of a digital broadcasting receiver. The method comprises: arranging at least one of new mobile data and known data in at least a portion of an existing mobile data region and in at least a portion of a normal data region, in a stream which includes the normal data region and the existing mobile data region; and composing a transmission stream where at least one of the new mobile data and the known data is arranged, and wherein the arranging combines a block of data arranged in the existing mobile data region and a block of the new mobile data in the stream, and performs serially concatenated convolution code (SCCC) coding on the combined blocks.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: August 12, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-hee Jeong, Hak-ju Lee, Se-ho Myung, Yong-Sik Kwon, Kum-ran Ji, June-hee Lee, Chan-sub Park, Ga-hyun Ryu, Jung-jin Kim, Kyo-shin Choo, Sung-il Park, Jong-hwa Kim
  • Patent number: 8798138
    Abstract: A method for processing a stream of a digital broadcast receiver is provided. The method which processes a stream that is divided into a first area allocated to first mobile data and a second area allocated to normal data, includes: receiving a transport stream including new mobile data in at least a part of the second area separately from the first mobile data, demodulating the transport stream, equalizing the demodulated transport stream, and decoding at least one of the first mobile data and the new mobile data from the equalized transport stream. Accordingly, mobile data services may be provided in various ways.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: August 5, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-sik Kwon, Ga-hyun Ryu, June-hee Lee, Chan-sub Park, Jung-jin Kim, Kyo-shin Choo, Kum-ran Ji, Sung-il Park, Jong-hwa Kim
  • Patent number: 8787220
    Abstract: A method for processing a stream of a digital broadcast receiver is provided. The method which processes a stream that is divided into a first area allocated to first mobile data and a second area allocated to normal data, includes: receiving a transport stream including second mobile data in at least a part of the second area separately from the first mobile data, demodulating the transport stream, equalizing the demodulated transport stream, and decoding at least one of the first mobile data and the second mobile data from the equalized transport stream. Accordingly, mobile data services may be provided in various ways.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: July 22, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-sik Kwon, Ga-hyun Ryu, June-hee Lee, Chan-sub Park, Jung-jin Kim, Kyo-shin Choo, Kum-ran Ji, Sung-il Park, Jong-hwa Kim
  • Patent number: 8687571
    Abstract: A method for processing a stream of a digital broadcast receiver is provided. The method which processes a stream that is divided into a first area allocated to first mobile data and a second area allocated to normal data, includes: receiving a transport stream including new mobile data in at least a part of the second area separately from the first mobile data, demodulating the transport stream, equalizing the demodulated transport stream, and decoding at least one of the first mobile data and the new mobile data from the equalized transport stream. Accordingly, mobile data services may be provided in various ways.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: April 1, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ga-hyun Ryu, Yong-sik Kwon, June-hee Lee, Chan-sub Park, Jung-jin Kim, Kyo-shin Choo, Kum-ran Ji, Sung-il Park, Jong-hwa Kim
  • Patent number: 8687526
    Abstract: A method for processing a stream of a digital broadcast transmitter, the digital broadcast transmitter, a method of processing a stream of a digital broadcast receiver, and the digital broadcast receiver are provided. The method includes: configuring a stream including a slot to which mobile data is allocated; and encoding and interleaving the configured stream and outputting the encoded and interleaved stream. Each slot of the stream includes signaling data, and the signaling data includes a slot indicator indicating a type of a slot, and may include at least one of a backward training indicator and a forward training indicator according to a value of the slot indicator. Accordingly, information on an adjacent slot is efficiently used.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: April 1, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-hee Jeong, Chan-sub Park, Kum-ran Ji, Hak-ju Lee
  • Patent number: 8638860
    Abstract: Provided is a Vestigial Side Band Digital Television (DTV) transmitter/receiver based on Advanced Television System Committee A/53. The invention provides DTV transmitter/receiver having a dual stream structure through generation of robust data which has a transmission rate a fourth as fast as that of normal data, and a method thereof. The DTV transmitter includes: input means for receiving digital video data stream including normal and robust data; encoding means for performing ¼ rate coding on the digital video data stream so that one bit can be transmitted through two symbols; and transmitting means for modulating/transmitting output signals of the encoding means. This invention can reduce SNR and satisfy TOV of robust data by performing additional FEC on robust data, transmitting/receiving ¼ rate coded robust data, which are capable of transmitting one-bit data for two symbols, and improving decoding ability of an equalizer and a trellis decoder of a DTV receiver.
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: January 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung-Hoon Kim, Kum-Ran Ji, Jae-Young Lee, Seung-Won Kim, Soo-In Lee, Chieteuk Ahn
  • Patent number: 8599875
    Abstract: A transmission stream (TS) generating apparatus includes an adaptor which receives general data and generates a stream having a plurality of packets, and which provides adaptive field in some of the plurality of packets, and an inserter which inserts additional data into all the payload areas of some of the plurality of packets that are not provided with the adaptive fields. Because additional data is transmitted, without requiring adaptive field header in certain packet, a data transmission rate is increased.
    Type: Grant
    Filed: June 18, 2007
    Date of Patent: December 3, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-pil Yu, Hae-joo Jeong, Chan-sub Park, Kum-ran Ji
  • Patent number: 8594245
    Abstract: A digital broadcasting receiving system and method, where the digital broadcasting receiving system includes: a demodulator receiving and demodulating a dual transmission stream including a turbo stream and a normal stream; an equalizer equalizing the demodulated dual transmission stream; a first processor restoring normal stream data from the equalized dual transmission stream; and a second processor restoring turbo stream data from the equalized dual transmission stream and eraser decoding the turbo stream data. Thus, the reception sensitivity of a transmission stream including a turbo stream can be improved.
    Type: Grant
    Filed: August 15, 2006
    Date of Patent: November 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yung-pil Yu, Hae-joo Jeong, Eui-jun Park, Joon-soo Kim, Yong-sik Kwon, Jin-Hee Jeong, Yong-deok Chang, Kum-ran Ji, Jong-hun Kim
  • Publication number: 20130243065
    Abstract: A transmission system to transmit a transport stream (TS) having normal data and additional data, the transmission system including: a stream constructor to generate a TS, and a multiplexer (MUX) to insert information representing the characteristics of additional data in the TS. Therefore, it is possible for a reception system to use the additional data efficiently.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 19, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kum-Ran JI, Jung-Pil Yu, Chan-Sub Park
  • Patent number: 8537918
    Abstract: A digital broadcast transmitting/receiving system, and a signal processing method thereof, includes a randomizer for randomizing a transport stream into a specified position of which stuff bytes are inserted, a stuff-byte exchanger for replacing the stuff bytes included in data output from the randomizer with specified known data, an RS encoder for performing an RS-encoding of data output from the stuff-byte exchanger, an interleaver for interleaving data output from the RS encoder, a trellis encoder for performing a trellis encoding of data output from the interleaver, an RS parity generator for generating a parity by performing an RS encoding of data output from the RS encoder, and outputting the generated parity to the trellis encoder, and a modulator/RF converter for modulating data output from the trellis encoder and performing an RF up-converting of the modulated data.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: September 17, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eui-jun Park, Yong-sik Kwon, Joon-soo Kim, Jung-pil Yu, Jin-hee Jeong, Kum-ran Ji, Jong-hun Kim
  • Patent number: 8514892
    Abstract: A digital broadcasting system and method, where the digital broadcasting system includes: a transmission stream generator multiplexing a normal stream and a turbo stream to generate a dual transmission stream; a transmitter inserting an supplementary reference signal (SRS) into the dual transmission stream, processing the turbo stream to reconstitute the dual transmission stream, and outputting the reconstituted dual transmission stream; and a receiver receiving the reconstituted dual transmission stream, separately turbo decoding the turbo stream, inserting the turbo decode turbo stream into the dual transmission stream, and decoding the dual transmission stream into which the turbo decoded turbo stream has been inserted, to restore normal stream data and turbo stream data. Thus, reception sensitivity of a digital broadcasting signal can be efficiently improved.
    Type: Grant
    Filed: August 15, 2006
    Date of Patent: August 20, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-pil Yu, Hae-joo Jeong, Eui-jun Park, Joon-soo Kim, Yong-sik Kwon, Jin-Hee Jeong, Yong-deok Chang, Kum-ran Ji, Jong-hun Kim
  • Patent number: 8493973
    Abstract: A method of processing a digital broadcasting signal includes generating a transport stream including a plurality of transport packets; selecting one of the transport packets as a starting packet to be mapped into a first data segment of an encoded data frame; and constructing deterministic data frames in the transport stream beginning with the starting packet; wherein at least one of the 52 transport packets does not have an adaptation field; wherein all remaining ones of the 52 transport packets do have an adaptation field; and wherein the at least one transport packet that does not have an adaptation field is provided at a fixed location in each of the slices.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: July 23, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hae-joo Jeong, Jung-pil Yu, Joon-soo Kim, Yong-sik Kwon, Eui-Jun Park, Jin-hee Jeong, Kum-ran Ji, Jong-hun Kim