Patents by Inventor Kyo-shin Choo
Kyo-shin Choo 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: 10630521Abstract: An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated.Type: GrantFiled: January 7, 2019Date of Patent: April 21, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyo-shin Choo, June-hee Lee
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Publication number: 20190222452Abstract: An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated.Type: ApplicationFiled: January 7, 2019Publication date: July 18, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyo-shin CHOO, June-hee Lee
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Patent number: 10193730Abstract: An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated.Type: GrantFiled: October 16, 2017Date of Patent: January 29, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyo-shin Choo, June-hee Lee
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Publication number: 20180041368Abstract: An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated.Type: ApplicationFiled: October 16, 2017Publication date: February 8, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyo-shin CHOO, June-hee LEE
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Patent number: 9813272Abstract: An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated.Type: GrantFiled: January 3, 2017Date of Patent: November 7, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyo-shin Choo, June-hee Lee
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Publication number: 20170118057Abstract: An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated.Type: ApplicationFiled: January 3, 2017Publication date: April 27, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyo-shin CHOO, June-hee LEE
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Patent number: 9584352Abstract: An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated.Type: GrantFiled: July 22, 2014Date of Patent: February 28, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyo-shin Choo, June-hee Lee
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Patent number: 8891674Abstract: A digital transmission system is provided. The system includes a transmission signal generation unit which generates transmission signals by loading data to be transmitted on carrier waves; and an additional data processing unit which loads a low power signal expressing additional data on the carrier waves on which the data is loaded by the transmission signal generation unit. The system may be embodied as an orthogonal frequency division multiplexing (OFDM) system such as a Digital Video Broadcasting-Terrestrial (DVB-T) system, or a single carrier system such as a Vestigial Sideband (VSB) system.Type: GrantFiled: February 11, 2008Date of Patent: November 18, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Eui-jun Park, June-hee Lee, Kyo-shin Choo
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Patent number: 8891465Abstract: 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: GrantFiled: May 20, 2010Date of Patent: November 18, 2014Assignee: 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
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Publication number: 20140334562Abstract: An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated.Type: ApplicationFiled: July 22, 2014Publication date: November 13, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyo-shin CHOO, June-hee LEE
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Patent number: 8811304Abstract: 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: GrantFiled: May 21, 2010Date of Patent: August 19, 2014Assignee: 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
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Patent number: 8804805Abstract: 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: GrantFiled: November 30, 2010Date of Patent: August 12, 2014Assignee: 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
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Patent number: 8804477Abstract: An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated.Type: GrantFiled: February 11, 2008Date of Patent: August 12, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Kyo-shin Choo, June-hee Lee
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Patent number: 8806311Abstract: A trellis encoding device includes a plurality of trellis encoders to perform trellis-encoding of a transport stream into which a supplementary reference signal (SRS) has been inserted, and performs a memory reset in a region that precedes an SRS; and a parity compensation unit to compensate for parities of the transport stream in accordance with values stored in memories included in the trellis encoders. The plurality of trellis encoders may be implemented in diverse types. The trellis encoding device can perform a memory reset selectively using the stored value of the memory and the inverted value thereof, or selectively using the stored value of the memory and a fixed value. By properly resetting the memory in processing the transport stream into which the SRS has been inserted, DC offset can be reduced.Type: GrantFiled: July 12, 2011Date of Patent: August 12, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Eui-jun Park, Jung-jin Kim, Seok-hyun Yoon, Kyo-shin Choo, Keon-yong Seok
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Patent number: 8798138Abstract: 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: GrantFiled: May 21, 2010Date of Patent: August 5, 2014Assignee: 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
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Patent number: 8787220Abstract: 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: GrantFiled: May 21, 2010Date of Patent: July 22, 2014Assignee: 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
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Patent number: 8717961Abstract: Provided are a method and apparatus for transporting a broadcast and a method and apparatus for receiving a broadcast. In the method of transporting a broadcast service for mobile communications, the method includes generating an encapsulation packet including configuration information adaptive to application data that is to be transmitted and the application data; generating transport packets having data regarding the encapsulation packet by dividing the encapsulation packet into predetermined-sized packets, where the transport packets include information regarding the structures of the transport packets; and generating service configuration information including information set about a channel having the transport packets, and including the service configuration information in a service information channel at a predetermined location from among at least one transport channel on a transport stream. Accordingly, it is possible to efficiently use a data region and increase the speed of data transmission.Type: GrantFiled: August 6, 2009Date of Patent: May 6, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Ga-Hyun Ryu, Sung-Il Park, Jong-Hwa Kim, Kyo-Shin Choo
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Patent number: 8687571Abstract: 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: GrantFiled: May 21, 2010Date of Patent: April 1, 2014Assignee: 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
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Publication number: 20120236922Abstract: 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: ApplicationFiled: November 30, 2010Publication date: September 20, 2012Applicant: 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
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Service relay device, service receiver for receiving the relayed service signal, and methods thereof
Patent number: 8140008Abstract: A service relay device is provided. The service relay device includes a receiving unit which receives a service signal, and a service processing unit which changes information regarding an order of changing frequency channels included in the received service signal, using replacement frequency channels, and broadcasts the service signal. The service processing unit includes a detecting unit which detects the information regarding the order of changing frequency channels, a storage unit which stores information regarding replacement frequency channels, an information processing unit which replaces the information regarding the order of changing frequency channels, using the replacement frequency channels stored in the storage unit, and a relay unit which broadcasts a service signal. As a result, service signals are provided stably even in the fringe area.Type: GrantFiled: September 24, 2008Date of Patent: March 20, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: June-hee Lee, Kyo-shin Choo, Kil-sik Ha, Hae-joo Jeong