Patents by Inventor Dae-yong Sim
Dae-yong Sim 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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Publication number: 20150309807Abstract: A method for waking a device from a power save mode to an active mode includes: transmitting, by a first device, a magic packet through a predetermined channel to a second device, which operates in the power save mode by repeating a doze state and an awake state according to a predetermined period of time, for notifying the second device to switch to the active mode; and retransmitting the magic packet to the second device through the predetermined channel if a response to the magic packet has not been received from the second device and a predetermined time has not elapsed after transmitting the magic packet through the predetermined channel.Type: ApplicationFiled: July 6, 2015Publication date: October 29, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-yong SIM, Il-ju NA, Jae-min LEE, Chil-youl YANG, Lochan VERMA
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Patent number: 9075603Abstract: A method for waking a device from a power save mode to an active mode includes: transmitting, by a first device, a magic packet through a predetermined channel to a second device, which operates in the power save mode by repeating a doze state and an awake state according to a predetermined period of time, for notifying the second device to switch to the active mode; and retransmitting the magic packet to the second device through the predetermined channel if a response to the magic packet has not been received from the second device and a predetermined time has not elapsed after transmitting the magic packet through the predetermined channel.Type: GrantFiled: January 25, 2011Date of Patent: July 7, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-yong Sim, Il-ju Na, Jae-min Lee, Chil-youl Yang, Lochan Verma
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Patent number: 8396499Abstract: A method of measuring a state of a plurality of channels is provided. The method includes transmitting to a second device test signal information needed to transmit/receive a test signal for measuring the state of the plurality of channels; receiving an information received response from the second device, indicating that the second device has received the test signal; if the information received response is received, transmitting the test signal to the second device, using the test signal information, via the plurality of channels; and receiving from the second device the state information regarding the plurality of channels which has been measured by using the test signal.Type: GrantFiled: May 16, 2011Date of Patent: March 12, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-yong Sim, Ho-seok Lee
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Patent number: 8369787Abstract: An apparatus and method of switching a channel under wireless network circumstances is provided, which can secure network resources by performing channel switching and channel bonding with an adjacent network if the network resources of the currently participating network are insufficient in performing wireless data communications. The apparatus includes a message analysis unit analyzing at least one received channel information message and confirming whether a channel corresponding to the channel information message and a channel adjacent to the channel are usable, a channel switching unit performing a channel switching with a usable target channel among the channels with reference to whether the confirmed channel and the adjacent channels are usable, in accordance with a result of determining whether network resources of a currently used channel are insufficient, and a channel bonding unit performing a channel bonding between the channel-switched target channel and the adjacent channels.Type: GrantFiled: February 18, 2009Date of Patent: February 5, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jin-Joo Chung, Dae-Yong Sim
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Patent number: 8238296Abstract: An idle channel scanning method and apparatus are provided. The method of scanning for an idle channel via a device communicating with a plurality of peripheral devices in the same frequency environment includes: allocating at least one of all frequency channels of the frequency environment to each peripheral device of the plurality of peripheral devices; requesting the plurality of peripheral devices a state of the frequency channels allocated to each peripheral device; and receiving information on the frequency channel state scanned by the plurality of peripheral devices in response to the request for the state of the frequency channels allocated.Type: GrantFiled: May 16, 2008Date of Patent: August 7, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-yong Sim, Ho-seok Lee, Si-hyung Kim
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Publication number: 20120057536Abstract: Provided are a method and apparatus for supporting a multiband wireless fidelity (WiFi). The method for supporting the multiband WIFI includes: assigning a category and a frequency band for traffic, based on one or more characteristics of the traffic; packetizing the traffic in a media access control (MAC) unit corresponding to the assigned frequency band; and transmitting the packetized traffic by using the assigned frequency band in a physical layer (PHY) unit corresponding to the assigned frequency band.Type: ApplicationFiled: August 16, 2011Publication date: March 8, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Lochan VERMA, Dae-yong SIM, Scott Seong-wook LEE
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Patent number: 8040840Abstract: A method of merging cells in cognitive radio is provided. The method includes: requesting base stations to merge cells, measuring service ranges of the merged cells using the base stations, and exchanging cell-merging information between the base stations.Type: GrantFiled: April 30, 2008Date of Patent: October 18, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Hyung-Jick Lee, Ho-Seok Lee, Dae-Yong Sim
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Publication number: 20110218008Abstract: A method of measuring a state of a plurality of channels is provided. The method includes transmitting to a second device test signal information needed to transmit/receive a test signal for measuring the state of the plurality of channels; receiving an information received response from the second device, indicating that the second device has received the test signal; if the information received response is received, transmitting the test signal to the second device, using the test signal information, via the plurality of channels; and receiving from the second device the state information regarding the plurality of channels which has been measured by using the test signal.Type: ApplicationFiled: May 16, 2011Publication date: September 8, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-yong SIM, Ho-seok LEE
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Publication number: 20110185200Abstract: A method for waking a device from a power save mode to an active mode includes: transmitting, by a first device, a magic packet through a predetermined channel to a second device, which operates in the power save mode by repeating a doze state and an awake state according to a predetermined period of time, for notifying the second device to switch to the active mode; and retransmitting the magic packet to the second device through the predetermined channel if a response to the magic packet has not been received from the second device and a predetermined time has not elapsed after transmitting the magic packet through the predetermined channel.Type: ApplicationFiled: January 25, 2011Publication date: July 28, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-yong SIM, Il-ju NA, Jae-min LEE, Chil-youl YANG, Lochan VERMA
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Patent number: 7957699Abstract: A method of measuring a state of a plurality of channels is provided. The method includes transmitting to a second device test signal information needed to transmit/receive a test signal for measuring the state of the plurality of channels; receiving an information received response from the second device, indicating that the second device has received the test signal; if the information received response is received, transmitting the test signal to the second device, using the test signal information, via the plurality of channels; and receiving from the second device the state information regarding the plurality of channels which has been measured by using the test signal.Type: GrantFiled: November 9, 2007Date of Patent: June 7, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-yong Sim, Ho-seok Lee
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Publication number: 20110013092Abstract: An apparatus and method of switching a channel under wireless network circumstances is provided, which can secure network resources by performing channel switching and channel bonding with an adjacent network if the network resources of the currently participating network are insufficient in performing wireless data communications. The apparatus includes a message analysis unit analyzing at least one received channel information message and confirming whether a channel corresponding to the channel information message and a channel adjacent to the channel are usable, a channel switching unit performing a channel switching with a usable target channel among the channels with reference to whether the confirmed channel and the adjacent channels are usable, in accordance with a result of determining whether network resources of a currently used channel are insufficient, and a channel bonding unit performing a channel bonding between the channel-switched target channel and the adjacent channels.Type: ApplicationFiled: February 18, 2009Publication date: January 20, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-Joo Chung, Dae-Yong Sim
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Publication number: 20090042510Abstract: An apparatus and a method of transmitting data while scanning an incumbent user are provided. The method includes dividing each of channels of a frame into sub-channels, and selecting sub-channels to scan the incumbent user among the divided sub-channels.Type: ApplicationFiled: May 1, 2008Publication date: February 12, 2009Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyung-Jick LEE, Ho-Seok LEE, Dae-Yong SIM
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Publication number: 20090017828Abstract: A method of merging cells in cognitive radio is provided. The method includes: requesting base stations to merge cells, measuring service ranges of the merged cells using the base stations, and exchanging cell-merging information between the base stations.Type: ApplicationFiled: April 30, 2008Publication date: January 15, 2009Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyung-Jick Lee, Ho-Seok Lee, Dae-Yong Sim
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Publication number: 20080293365Abstract: A method of measuring a state of a plurality of channels is provided. The method includes transmitting to a second device test signal information needed to transmit/receive a test signal for measuring the state of the plurality of channels; receiving an information received response from the second device, indicating that the second device has received the test signal; if the information received response is received, transmitting the test signal to the second device, using the test signal information, via the plurality of channels; and receiving from the second device the state information regarding the plurality of channels which has been measured by using the test signal.Type: ApplicationFiled: November 9, 2007Publication date: November 27, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Dae-yong SIM, Ho-seok Lee
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Publication number: 20080285747Abstract: An encryption-based security protection method and apparatus are provided. The method includes generating a random key pattern table in order to allocate a plurality of random key patterns of original data to be transmitted; generating an address pattern table in order to allocate a plurality of address patterns of addresses in which the original data is stored; and generating a mapping table in order to map the plurality of random key patterns and the plurality of address patterns. The apparatus includes an address pattern table generation unit; a random key pattern table generation unit; a mapping table generation unit; and an internal memory unit which stores the address pattern table, the random key pattern table, and the mapping table.Type: ApplicationFiled: November 21, 2007Publication date: November 20, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Jin-mok KIM, Jae-min Lee, Hyung-jick Lee, Yang-lim Choi, Dae-yong Sim
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Publication number: 20080285515Abstract: An idle channel scanning method and apparatus are provided. The method of scanning for an idle channel via a device communicating with a plurality of peripheral devices in the same frequency environment includes: allocating at least one of all frequency channels of the frequency environment to each peripheral device of the plurality of peripheral devices; requesting the plurality of peripheral devices a state of the frequency channels allocated to each peripheral device; and receiving information on the frequency channel state scanned by the plurality of peripheral devices in response to the request for the state of the frequency channels allocated.Type: ApplicationFiled: May 16, 2008Publication date: November 20, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-yong SIM, Ho-seok LEE, Si-hyung KIM