Patents by Inventor Dong-Seek Park
Dong-Seek 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: 9866921Abstract: A method and apparatus of transmitting video content compressed by a codec to a second device is provided. The method includes: transmitting a codec selection request frame to the second device, the codec selection request frame includes an identifier of at least one codec to be used to compress the video content and requests approval of the use of the at least one codec; receiving a codec selection response frame from the second device, the codec selection response frame includes approval information indicating whether the use of the at least one codec is approved; and transmitting video content compressed by the at least one codec to the second device based on the codec selection response frame.Type: GrantFiled: February 18, 2011Date of Patent: January 9, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hae-young Jun, Sung-bum Park, Dong-seek Park
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Patent number: 9667975Abstract: A method and apparatus for transmitting compressed video content are provided. The method includes transmitting a codec selection request frame, the codec selection request frame including an identifier of one or more codecs to be used to compress video content and requesting approval of the use of the codec, receiving a codec selection response frame, the codec selection response frame including result information indicating whether the use of the codec is approved, and transmitting video content frames for the video content compressed by the approved codec based on the codec selection response frame. Each video content frame includes frame type information indicating a type of compression applied to the video content included in the video content frame.Type: GrantFiled: December 10, 2010Date of Patent: May 30, 2017Assignee: SAMSUNG ELECRONICS CO., LTD.Inventors: Sung-bum Park, Hae-young Jun, Dong-seek Park
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Patent number: 9439119Abstract: A method of performing hand-over in a personal basic service set (PBSS) including a plurality of stations and one coordinator is provided. An association request frame comprising PCP capability information, and requesting to associate to the PBSS, is received from each of the stations. The PCP capability information comprises information regarding at least one of whether each of the stations supports a power source capability of continuous power supply, whether each of the stations supports a channel time allocation function, and whether each of the stations supports a network clustering function. An association response frame, indicating whether the association request received from each of the stations is approved, is transmitted to each of the stations, and a priority to be a coordinator of the stations is determined based on the PCP capability information. Hand-over is performed with one of the stations according to the determined priority.Type: GrantFiled: December 23, 2013Date of Patent: September 6, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyuk-choon Kwon, Hae-young Jun, Ho-dong Kim, Dong-seek Park, Soo-yeon Jung
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Patent number: 9356728Abstract: An apparatus and method for controlling a reverse data rate in a mobile station. The method including determining a bit of a multi-bit control channel information based on at least two of a current data rate, transmission power, and an amount of data stored in a buffer of the mobile station; and transmitting the multi-bit control channel information to a base station. The bit of the multi-bit control channel information is determined based on whether the mobile station has power available to transmit at a higher reverse data rate.Type: GrantFiled: May 6, 2014Date of Patent: May 31, 2016Assignee: Samsung Electronics Co., LtdInventors: Beom-Sik Bae, Dong-Seek Park, Chang-Hoi Koo, Dae-Gyun Kim
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Patent number: 9332321Abstract: Provided are a method and apparatus for generating a packet including uncompressed video data. The method includes: generating color component bit information indicating the number of bits of each color component of pixels of the uncompressed video data; and generating a packet including the color component bit information and the uncompressed video data.Type: GrantFiled: August 24, 2011Date of Patent: May 3, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ho-dong Kim, Hae-young Jun, Hyuk-choon Kwon, Dong-seek Park, Soo-yeon Jung
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Patent number: 9118420Abstract: An optical communication apparatus includes an optical signal transmitting unit to output an optical signal; an optical signal receiving unit to receive an optical signal; a retro-reflector to retro-reflect the received optical signal in a direction opposite to an incident angle of the received optical signal; and a control unit to direct the retro-reflector to receive the optical signal and to retro-reflect a response signal, which includes the received optical signal and data to be transmitted, in response to the received optical signal.Type: GrantFiled: September 1, 2009Date of Patent: August 25, 2015Assignee: Samsung Electronics Co., LtdInventors: Hyuk-Choon Kwon, Eun-Tae Won, Tae-Han Bae, Jae-Seung Son, Dong-Seek Park
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Patent number: 9071395Abstract: A method and apparatus for changing a frequency band used for communication between first and second devices supporting multiple frequency bands. The method includes transmitting a frequency band change request frame including information regarding a communication capability of the first device and a frequency band change request for requesting to change a frequency band currently being used for communication between the first and second devices, to the second device; receiving a frequency band change response frame corresponding to the frequency band change request frame, from the second device; and selectively changing the frequency band currently being used to another frequency band based on the received frequency band change response frame.Type: GrantFiled: November 8, 2010Date of Patent: June 30, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyuk-choon Kwon, Hae-young Jun, Ho-dong Kim, Soo-yeon Jung, Dong-seek Park
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Publication number: 20140241288Abstract: An apparatus and method for controlling a reverse data rate in a mobile station. The method including determining a bit of a multi-bit control channel information based on at least two of a current data rate, transmission power, and an amount of data stored in a buffer of the mobile station; and transmitting the multi-bit control channel information to a base station. The bit of the multi-bit control channel information is determined based on whether the mobile station has power available to transmit at a higher reverse data rate.Type: ApplicationFiled: May 6, 2014Publication date: August 28, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Beom-Sik BAE, Dong-Seek PARK, Chang-Hoi KOO, Dae-Gyun KIM
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Patent number: 8774101Abstract: An apparatus and method for maintaining backward compatibility with a narrow-band wireless communication system in a wide-band wireless communication system is provided. The base station comprises a scheduler, a control information generator, a resource mapping unit and a transmitter. The terminal comprises a resource allocation information checking unit, a receiver and a transmitter.Type: GrantFiled: December 4, 2007Date of Patent: July 8, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Chi-Woo Lim, Seung-Hoon Park, Mi-Hyun Lee, Ki-Chun Cho, Dong-Seek Park, Ho-Kyu Choi
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Patent number: 8717968Abstract: An apparatus and method for controlling a reverse data rate in a mobile station. The method includes determining whether the mobile station has sufficient power to transmit at an increased data rate compared to a current data rate, and transmitting a determination result to a base station.Type: GrantFiled: September 15, 2009Date of Patent: May 6, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Beom-Sik Bae, Dong-Seek Park, Chang-Hoi Koo, Dae-Gyun Kim
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Publication number: 20140112309Abstract: A method of performing hand-over in a personal basic service set (PBSS) including a plurality of stations and one coordinator is provided. An association request frame comprising PCP capability information, and requesting to associate to the PBSS, is received from each of the stations. The PCP capability information comprises information regarding at least one of whether each of the stations supports a power source capability of continuous power supply, whether each of the stations supports a channel time allocation function, and whether each of the stations supports a network clustering function. An association response frame, indicating whether the association request received from each of the stations is approved, is transmitted to each of the stations, and a priority to be a coordinator of the stations is determined based on the PCP capability information. Hand-over is performed with one of the stations according to the determined priority.Type: ApplicationFiled: December 23, 2013Publication date: April 24, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyuk-choon KWON, Hae-young JUN, Ho-dong KIM, Dong-seek PARK, Soo-yeon JUNG
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Patent number: 8670415Abstract: A method is provided for performing handoff in a communication system including a serving base station (BS) in communication with a mobile station (MS), at least one neighbor BS using a communication scheme different from a communication scheme of the serving BS, and the MS capable of communicating with the neighbor BS. The method includes compensating a signal strength of one of the serving BS and the neighbor BS, received at the MS, such that handoff decision is possible, and determining whether to perform a handoff of the MS, using the compensated signal strengths.Type: GrantFiled: August 7, 2006Date of Patent: March 11, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Young-Bin Chang, Eun-Taek Lim, Jung-Min Ro, Jae-Hyuk Jang, Dong-Seek Park, Young-Kwon Cho, Seung-Hoon Park, Joon-Young Choi
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Patent number: 8661244Abstract: A method and apparatus for establishing a secured link between devices. In the establishing of the secured link, a coordinator respectively receives from the first and second devices first pairing information indicating that a first device is to establish a secured link and second pairing information indicating that a second device is to establish a secured link. The coordinator further receives via a first secured link established between the first device and the coordinator shared secured information. The shared secured information is shared between the first and second devices. The coordinator establishes a second secured link with the second device based on the shared secured information; and broadcasts partner notice information indicating that the first and second devices are partner devices. The broadcast partner notice information is then used to establish a third secured link.Type: GrantFiled: December 8, 2011Date of Patent: February 25, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Soo-yeon Jung, Hae-young Jun, Hyuk-choon Kwon, Ho-dong Kim, Dong-seek Park
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Patent number: 8656247Abstract: A matrix multiplier multiplies the signal output from a first adder by an inverse matrix T?1 of a partial matrix T of a parent parity check matrix, and outputs the multiplication result to a first switch. The output of the matrix multiplier becomes a second parity vector P2. A second switch is switched on at a transmission time of the information word vector āsā, a third switch is switched on at a transmission time of the first parity vector P1, and the first switch is switched on at a transmission time of the second parity vector P2. When a puncturing scheme is applied to the parent parity check matrix, a controller controls the first and second switches to puncture the parity according to the corresponding coding rate.Type: GrantFiled: February 12, 2008Date of Patent: February 18, 2014Assignees: Samsung Electronics Co., Ltd, Postech Academy Industry FoundationInventors: Gyu-Bum Kyung, Hyun-Koo Yang, Se-Ho Myung, Hong-Sil Jeong, Kyeong-Cheol Yang, Dong-Seek Park, Jae-Yoel Kim
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Patent number: 8644270Abstract: A method and system for configuring a frame in a communication system is provided.Type: GrantFiled: February 22, 2008Date of Patent: February 4, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong-Ho Park, Kwan-Hee Roh, Jae-Hee Cho, Tae-Young Kim, Jin-Kyu Koo, Dong-Seek Park, Ho-Kyu Choi
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Patent number: 8638754Abstract: A method of performing hand-over in a personal basic service set (PBSS) including a plurality of stations and one coordinator is provided. An association request frame comprising PCP capability information, and requesting to associate to the PBSS, is received from each of the stations. The PCP capability information comprises information regarding at least one of whether each of the stations supports a power source capability of continuous power supply, whether each of the stations supports a channel time allocation function, and whether each of the stations supports a network clustering function. An association response frame, indicating whether the association request received from each of the stations is approved, is transmitted to each of the stations, and a priority to be a coordinator of the stations is determined based on the PCP capability information. Hand-over is performed with one of the stations according to the determined priority.Type: GrantFiled: February 24, 2011Date of Patent: January 28, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hyuk-choon Kwon, Hae-young Jun, Ho-dong Kim, Dong-seek Park, Soo-yeon Jung
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Patent number: 8634867Abstract: An apparatus and method for transmitting and receiving a signal and a subcarrier allocation structure therefor in a multi-user multi-antenna communication system are provided, in which a transmitter calculates receive filters for each of a plurality of receivers or for a plurality of antennas in a receiver, determines the index of a vector having a correlation with the calculated receive filters in a preset codebook vector to be a receive filter index, and transmits the receive filter index to the receiver.Type: GrantFiled: November 14, 2007Date of Patent: January 21, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: David Mazzarese, Hak-Ju Lee, Sung-Ryul Yun, Dong-Seek Park
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Patent number: 8625478Abstract: A method to transmit a packet of a BS in a communication system using a HARQ scheme is provided. The method includes assigning resource for transmitting a packet to a mobile station, and transmitting a first packet to the mobile station using the assigned resource; transmitting timing information on which a second packet is transmitted to the mobile station when the BS does not receive information indicating that the mobile station decoded the first packet successfully or when the BS receives information indicating that the mobile station failed to decode the first packet; and transmitting the second packet to the mobile station on a timing point corresponding to the timing information.Type: GrantFiled: January 25, 2008Date of Patent: January 7, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Chi-Woo Lim, Song-Nam Hong, Mi-Hyun Lee, Dong-Seek Park, Ho-Kyu Choi, Jae-Weon Cho
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Patent number: 8599818Abstract: A broadband wireless communication system supporting frequency overlay is provided. Operations of a base station includes checking whether it is time to transmit a common control signal; switching positions of a first Common Control Channel and a second Common Control Channel applied to a previous transmission of the common control signal while mapping a common control signal to the first Common Control Channel and the second Common Control Channel positioned in different Frequency Assignments; and transmitting the common control signal via the first Common Control Channel and the second Common Control Channel that are switched.Type: GrantFiled: June 10, 2009Date of Patent: December 3, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Mi-Hyun Lee, Ho-Kyu Choi, Jae-Weon Cho, Song-Eun Park, Seung-Hoon Choi, Song-Nam Hong, Dong-Seek Park
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Patent number: 8570978Abstract: A method of performing a handover between a first device and a second device is provided. The method including: transmitting a handover request frame for requesting a handover, including information about a reason for requesting the handover, to the second device; receiving a handover response frame including handover request result information indicating whether the handover request is accepted, from the second device; and selectively performing the handover with the second device based on the handover response frame.Type: GrantFiled: February 24, 2011Date of Patent: October 29, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Ho-dong Kim, Hae-young Jun, Hyuk-choon Kwon, Dong-seek Park, Soo-yeon Jung