Patents by Inventor Eui Jik Kim
Eui Jik Kim 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: 9654907Abstract: A system, method, and apparatus are provided for establishing a wireless network connection between a mobile terminal and an electronic apparatus by using a near field communication network. At least one electronic apparatus is connected to the near field communication network. A mobile terminal is connected to the near field communication network, exchanges information with the at least one electronic apparatus for a wireless communication network connection through the connected near field communication network, and establishes the wireless communication network connection with the at least one electronic apparatus based on the exchanged information.Type: GrantFiled: July 21, 2015Date of Patent: May 16, 2017Assignee: Samsung Electronics Co., LtdInventors: Tae-Shik Shon, Yong-Suk Park, Soon-Seob Han, Jeong-Sik In, Bong-Wan Jun, Tae-Won Ahn, Eui-Jik Kim, Bon-Hyun Koo
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Patent number: 9338659Abstract: Short range wireless communication is provided. A first node included in a Wireless Body Area Network (WBAN) communicates with at least one neighboring second node. The first node transmits or receives data to or from at least one device node connected to the first node during a time division communication period, using a super-frame in which the time division communication period, a time division schedule advertisement message transmission period, and a Contention Access Period (CAP) are sequentially arranged. The first node broadcasts a time division schedule advertisement message of the first node to the at least one second node during the time division schedule advertisement message transmission period within the super-frame.Type: GrantFiled: July 13, 2010Date of Patent: May 10, 2016Assignee: Samsung Electronics Co., LtdInventors: Seung-Hoon Park, Yongsuk Park, Jeongsik In, Eui-Jik Kim
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Patent number: 9262916Abstract: A server for providing a traffic image to a user device includes a location information receiving unit which receives information relating to a respective location of each of a plurality of vehicles, a location management unit which receives information relating to a particular area from a user device, and which detects at least one vehicle located within the particular area based on the location information, an information sending unit which sends information relating to the at least one detected vehicle to the user device, an image requesting unit which receives information relating to a vehicle selected from among the at least one detected vehicle from the user device, and which requests, from a device installed in the selected vehicle, transmission of a traffic image of the selected vehicle, and an image providing unit which receives the image and which provides the traffic image to the user device.Type: GrantFiled: February 14, 2012Date of Patent: February 16, 2016Assignee: KT CorporationInventors: Seok-Woo Kim, Se-Hoon Kim, Eui-Jik Kim, Jin-Soo Park, Han-Wook Jung, Sung-Phil Heo
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Publication number: 20150334516Abstract: A system, method, and apparatus are provided for establishing a wireless network connection between a mobile terminal and an electronic apparatus by using a near field communication network. At least one electronic apparatus is connected to the near field communication network. A mobile terminal is connected to the near field communication network, exchanges information with the at least one electronic apparatus for a wireless communication network connection through the connected near field communication network, and establishes the wireless communication network connection with the at least one electronic apparatus based on the exchanged information.Type: ApplicationFiled: July 21, 2015Publication date: November 19, 2015Inventors: Tae-Shik SHON, Yong-Suk Park, Soon-Seob Han, Jeong-Sik In, Bong-Wan Jun, Tae-Won Ahn, Eui-Jik Kim, Bon-Hyun Koo
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Patent number: 9113393Abstract: A system, method, and apparatus are provided for establishing a wireless network connection between a mobile terminal and an electronic apparatus by using a near field communication network. At least one electronic apparatus is connected to the near field communication network. A mobile terminal is connected to the near field communication network, exchanges information with the at least one electronic apparatus for a wireless communication network connection through the connected near field communication network, and establishes the wireless communication network connection with the at least one electronic apparatus based on the exchanged information.Type: GrantFiled: August 16, 2010Date of Patent: August 18, 2015Assignee: Samsung Electronics Co., LtdInventors: Tae-Shik Shon, Yong-Suk Park, Soon-Seob Han, Jeong-Sik In, Bong-Wan Jun, Tae-Won Ahn, Eui-Jik Kim, Bon-Hyun Koo
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Patent number: 8730988Abstract: A method of allocating logical channels in consideration of an interference range in a wireless sensor network includes defining logical channels to increase the number of available channels and determining the number of logical channels in accordance with the number of nodes within an interference range, allocating the logical channels to the nodes within the interference range so that the determined logical channels do not overlap each other, and exchanging data among the nodes using the allocated logical channels.Type: GrantFiled: November 5, 2009Date of Patent: May 20, 2014Assignee: Samsung Electronics Co., LtdInventors: Eui-Jik Kim, Jeong-Sik In, Hyo-Hyun Choi
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Patent number: 8583768Abstract: A wireless sensor network and management method for same are disclosed. The wireless sensor network includes a plurality of nodes transitioning between a sleeping state, probing state, and working state. The management method enables the nodes to make a state transition according to sent and received messages.Type: GrantFiled: December 29, 2008Date of Patent: November 12, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Soon Seob Han, Eui Jik Kim, Kang Young Moon
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Patent number: 8423657Abstract: Disclosed is a time slot allocation method for reducing consumption of energy in a wireless sensor network, including transmitting and receiving, by an upper node, a report request and a response to and from at least one lower node in order to identify whether there is data to be transmitted between the upper node and the at least one lower node, transmitting, by the upper node, information required for data transmission to the at least one lower node based on the report request and response, and transmitting and receiving, by the upper node, data to and from the at least one lower node based on the information required for data transmission.Type: GrantFiled: November 6, 2009Date of Patent: April 16, 2013Assignee: Samsung Electronics Co., LtdInventors: Bong-Wan Jun, Jeong-Sik In, Eui-Jik Kim, Hyo-Hyun Choi
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Patent number: 8340053Abstract: A method for performing communication in the wireless sensor network is disclosed. The upper node transmits a beacon message to the lower nodes, wherein the beacon message distinguishes an indirect transmission interval, in which the upper node transmits downlink data to the plurality of lower nodes, from a direct transmission interval adjacent to the indirect transmission interval, in which the upper node receives uplink data from the plurality of lower nodes. The lower nodes determine the indirect transmission interval and the direct transmission interval from the received beacon message. The downlink data is transmitted from the upper node to the lower nodes in the indirect transmission interval. The uplink data is transmitted from the lower nodes to the upper node in the direct transmission interval. When communication is performed between the upper node and the lower nodes, the data can be efficiently transmitted from the upper node to the lower nodes.Type: GrantFiled: December 12, 2008Date of Patent: December 25, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Eui Jik Kim, Sun Gi Kim, Hyo Hyun Choi, Jeong Geun Kim, Van Ca Phan
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Patent number: 8335155Abstract: A packet transmission method for a WPAN that for alleviating traffic concentration in an active period and improving network throughput by controlling packet transmission timing in the active period. A packet transmission method for a wireless personal area network including a coordinator operating with a specific duty cycle and a plurality of devices includes determining, when a packet is generated, whether there is another packet waiting to be sent; determining, if there is no other packet waiting to be sent, whether the network is in an inactive period; setting, when network is in an inactive period, a backoff time; and sending the packet when the backoff time has expired. The packet transmission method controls an initial backoff value adaptively to a duty cycle of the network.Type: GrantFiled: December 15, 2008Date of Patent: December 18, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Eui Jik Kim, Sun Gi Kim, Hyo Hyun Choi, Jeong Geun Kim
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Patent number: 8265045Abstract: A method for reducing power consumption in a wireless sensor network is provided. An optimized path destined for a sink node is set using a common channel in which first and second nodes use a CSMA scheme. A first channel is set and transmission/reception slots for packet transmission/reception are allocated in the first channel. A packet is transmitted to the second node through a first transmission slot using a TDMA scheme. When a packet is not received from the second node through a first reception slot within a first set amount of time, the first reception slot is allowed to transition to an inactive state. The first node is one of the sink node, at least one parent node, and at least one child node of the parent node, and the second node is one of child nodes of the first node.Type: GrantFiled: November 20, 2009Date of Patent: September 11, 2012Assignee: Samsung Electronics Co., LtdInventors: Jeong-Sik In, Hyo-Hyun Choi, Eui-Jik Kim
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Publication number: 20120221677Abstract: A server for providing a traffic image to a user device includes a location information receiving unit which receives information relating to a respective location of each of a plurality of vehicles, a location management unit which receives information relating to a particular area from a user device, and which detects at least one vehicle located within the particular area based on the location information, an information sending unit which sends information relating to the at least one detected vehicle to the user device, an image requesting unit which receives information relating to a vehicle selected from among the at least one detected vehicle from the user device, and which requests, from a device installed in the selected vehicle, transmission of a traffic image of the selected vehicle, and an image providing unit which receives the image and which provides the traffic image to the user device.Type: ApplicationFiled: February 14, 2012Publication date: August 30, 2012Applicant: KT CORPORATIONInventors: Seok-Woo KIM, Se-Hoon KIM, Eui-Jik KIM, Jin-Soo PARK, Han-Wook JUNG, Sung-Phil HEO
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Patent number: 8194695Abstract: A communication terminal and method is provided for improving channel utilization efficiency in a wireless sensor network using contention-based channel access mechanism is disclosed. The communication method according to the present invention comprises initializing, when a packet transmission is required, a contention window to a size; resetting, when a channel is assessed to be busy, the size of the contention window in a hybrid expansion mode; and attempting, when the channel is assessed to be idle, the packet transmission through the channel.Type: GrantFiled: January 12, 2009Date of Patent: June 5, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Eui Jik Kim, Sun Gi Kim, Hyo Hyun Choi, Vu Thuy Dan Nguyen, Jeong Geun Kim
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Patent number: 8189554Abstract: A method for generating a superframe structure by using a beacon scheduling within a wireless sensor network and transmitting data based on the generated superframe structure includes: defining, by each of a plurality of data transceivers in the network, a relation with data transceivers located in their vicinity; assigning a data transceiver for beacon transmission/reception to each slot of a superframe in consideration of the defined relation; generating a superframe structure including a Beacon Only Period (BOP) and a data frame transmission period, in consideration of assigned slots; and broadcasting beacons and data frames in consideration of the superframe structure.Type: GrantFiled: March 20, 2008Date of Patent: May 29, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Eui-Jik Kim
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Patent number: 8055740Abstract: A wireless sensor network system and a cluster management method thereof. The wireless sensor network system includes at least one cluster having at least one sensor node for collecting sensing data, and a cluster head for aggregating the sensing data from the at least one sensor node. A sink node collects the aggregated sensing data from the at least one cluster, wherein the cluster head of a first cluster determines a cluster size of the first cluster, and when the first cluster is a master cluster and the cluster size of the first cluster is less than a threshold size, merges, the first cluster into a second master cluster, and switches the first cluster to a slave cluster. In each cluster, management efficiency can thereby be maintained within a specified range, and the lifetime of a wireless sensor network can be prolonged by reducing energy consumption.Type: GrantFiled: October 9, 2008Date of Patent: November 8, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Eui Jik Kim, Hyo Hyun Choi
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Patent number: 7916650Abstract: A wireless sensor network and data transmission method thereof provides for improving channel access efficiency and energy saving effect by using inventive carrier sensing mechanism. The data transmission method includes assessing a channel after initializing, when a packet to be transmitted is generated, a number of carrier sensing attempts (Ns) and a backoff value (W); determining, when the channel availability is assessed to be idle, whether W reaches 0; transmitting the packet if W reaches 0; and reassessing, if W does not reach 0, the channel after a duration corresponding W/(Ns-1) slot.Type: GrantFiled: January 22, 2009Date of Patent: March 29, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Eui Jik Kim, Sun Gi Kim, Hyo Hyun Choi, Jeong Geun Kim
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Publication number: 20110039494Abstract: A system, method, and apparatus are provided for establishing a wireless network connection between a mobile terminal and an electronic apparatus by using a near field communication network. At least one electronic apparatus is connected to the near field communication network. A mobile terminal is connected to the near field communication network, exchanges information with the at least one electronic apparatus for a wireless communication network connection through the connected near field communication network, and establishes the wireless communication network connection with the at least one electronic apparatus based on the exchanged information.Type: ApplicationFiled: August 16, 2010Publication date: February 17, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Tae-Shik SHON, Yong-Suk Park, Soon-Seob Han, Jeong-Sik In, Bong-Wan Jun, Tae-Won Ahn, Eui-Jik Kim, Bon-Hyun Koo
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Publication number: 20110007672Abstract: Short range wireless communication is provided. A first node included in a Wireless Body Area Network (WBAN) communicates with at least one neighboring second node. The first node transmits or receives data to or from at least one device node connected to the first node during a time division communication period, using a super-frame in which the time division communication period, a time division schedule advertisement message transmission period, and a Contention Access Period (CAP) are sequentially arranged. The first node broadcasts a time division schedule advertisement message of the first node to the at least one second node during the time division schedule advertisement message transmission period within the super-frame.Type: ApplicationFiled: July 13, 2010Publication date: January 13, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Seung-Hoon PARK, Yongsuk Park, Jeongsik In, Eui-Jik Kim
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Publication number: 20110002252Abstract: A frame structure for piconet master node on/off scheduling and method thereof. The frame structure includes a schedule-based data period, a contention-based active period, a schedule-based schedule notification message period directly following the contention-based active period, and an inactive sleep mode period positioned before the schedule-based data period, before or after the contention-based active period, or after the schedule-based schedule notification message period.Type: ApplicationFiled: June 28, 2010Publication date: January 6, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Eui-Jik KIM, Jeongsik In, Yongsuk Park
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Publication number: 20100124209Abstract: A method for reducing power consumption in a wireless sensor network is provided. An optimized path destined for a sink node is set using a common channel in which first and second nodes use a CSMA scheme. A first channel is set and transmission/reception slots for packet transmission/reception arc allocated in the first channel. A packet is transmitted to the second node through a first transmission slot using a TDMA scheme. When a packet is not received from the second node through a first reception slot within a first set amount of time, the first reception slot is allowed to transition to an inactive state. The first node is one of the sink node, at least one parent node, and at least one child node of the parent node, and the second node is one of child nodes of the first node.Type: ApplicationFiled: November 20, 2009Publication date: May 20, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Jeong-Sik IN, Hyo-Hyun CHOI, Eui-Jik KIM