Patents by Inventor Wun Cheol Jeong

Wun Cheol Jeong 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: 10499405
    Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: December 3, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Seung Lee, Min Ho Cheong, Hyoung Jin Kwon, Sok Kyu Lee, Wun Cheol Jeong, Chang Sub Shin, Cheol Sig Pyo
  • Patent number: 10231267
    Abstract: An operation method of a server in a communication network includes receiving a connection request message from each of a plurality of gateways connected to the server; identifying a service level of a terminal that has transmitted the connection request message based on information included in the connection request message; selecting a first gateway corresponding to the service level among the plurality of gateways as a gateway to which the terminal is to be connected; and transmitting a connection approval message, which is a response to the connection request message, to the terminal through the first gateway.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: March 12, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kye Seon Lee, Tae Joon Park, Byeong Cheol Choi, Wun Cheol Jeong
  • Patent number: 10136424
    Abstract: A method of configuring a multi-superframe is provided. The method includes setting at least one parameter for configuring the multi-superframe, and configuring the multi-superframe corresponding to the at least one parameter, wherein the at least one parameter includes a superframe order (SO), a beacon order (BO), and a multi-superframe order (MO), in a form of positive integers, and the setting includes setting the MO to have a value higher than the BO.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: November 20, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Wun Cheol Jeong, Chang Sub Shin, Tae Joon Park, Ho Yong Kang, In Hwan Lee, Cheol Sig Pyo
  • Publication number: 20180332596
    Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.
    Type: Application
    Filed: July 26, 2018
    Publication date: November 15, 2018
    Inventors: Jae Seung LEE, Min Ho CHEONG, Hyoung Jin KWON, Sok Kyu LEE, Wun Cheol JEONG, Chang Sub SHIN, Cheol Sig PYO
  • Patent number: 10070448
    Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: September 4, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Seung Lee, Min Ho Cheong, Hyoung Jin Kwon, Sok Kyu Lee, Wun Cheol Jeong, Chang Sub Shin, Cheol Sig Pyo
  • Patent number: 10028276
    Abstract: A method of allocating resources in a multi-hop wireless sensor network includes (A) when two arbitrary adjacent links among links connecting all nodes have a violation relationship where the two arbitrary adjacent links occupy the same time slot, by a network coordinator node, allocating different time slots to the two arbitrary adjacent links according to a resource allocation request command message from each of nodes configuring the multi-hop wireless sensor network, (B) when two arbitrary links which are not adjacent to each other among the links are within a communication distance, by the network coordinator node, allocating different frequency channels to the two arbitrary links, and (C) when resource allocation for all of the links is completed according to steps (A) and (B), checking whether an end-to-end maximum allowable time required by each of paths established by the links is satisfied.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: July 17, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Wun Cheol Jeong, Joon Hee Lee
  • Publication number: 20180167973
    Abstract: A method of controlling a wireless communication network, performed by a server, includes determining neighbor base stations adjacent to a target base station based on a connection relationship between a plurality of base stations; setting at least two reference base stations based on hop distances between the neighbor base stations; grouping terminals connected to the target base station into at least two groups based on information of the at least two reference base stations, and allocating a different time resource to each of the at least two groups.
    Type: Application
    Filed: November 27, 2017
    Publication date: June 14, 2018
    Inventors: Wun Cheol JEONG, Byeong Cheol CHOI, Tae Joon PARK, Kye Seon LEE
  • Publication number: 20180167982
    Abstract: An operation method of a server in a communication network includes receiving a connection request message from each of a plurality of gateways connected to the server; identifying a service level of a terminal that has transmitted the connection request message based on information included in the connection request message; selecting a first gateway corresponding to the service level among the plurality of gateways as a gateway to which the terminal is to be connected; and transmitting a connection approval message, which is a response to the connection request message, to the terminal through the first gateway.
    Type: Application
    Filed: October 16, 2017
    Publication date: June 14, 2018
    Inventors: Kye Seon LEE, Tae Joon PARK, Byeong Cheol CHOI, Wun Cheol JEONG
  • Publication number: 20170257872
    Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.
    Type: Application
    Filed: May 23, 2017
    Publication date: September 7, 2017
    Inventors: Jae Seung LEE, Min Ho CHEONG, Hyoung Jin KWON, Sok Kyu LEE, Wun Cheol JEONG, Chang Sub SHIN, Cheol Sig PYO
  • Publication number: 20170251471
    Abstract: A method of allocating resources in a multi-hop wireless sensor network includes (A) when two arbitrary adjacent links among links connecting all nodes have a violation relationship where the two arbitrary adjacent links occupy the same time slot, by a network coordinator node, allocating different time slots to the two arbitrary adjacent links according to a resource allocation request command message from each of nodes configuring the multi-hop wireless sensor network, (B) when two arbitrary links which are not adjacent to each other among the links are within a communication distance, by the network coordinator node, allocating different frequency channels to the two arbitrary links, and (C) when resource allocation for all of the links is completed according to steps (A) and (B), checking whether an end-to-end maximum allowable time required by each of paths established by the links is satisfied.
    Type: Application
    Filed: October 25, 2016
    Publication date: August 31, 2017
    Inventors: Wun Cheol JEONG, Joon Hee LEE
  • Patent number: 9693362
    Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: June 27, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Seung Lee, Min Ho Cheong, Hyoung Jin Kwon, Sok Kyu Lee, Wun Cheol Jeong, Chang Sub Shin, Cheol Sig Pyo
  • Publication number: 20170041927
    Abstract: A method for transmitting and receiving a beacon packet based on multi-channels and a device supporting therefor which generate a beacon packet according to a scheduled super frame by a device, attempt broadcasting of the beacon packet in a beacon slot period of a super frame to a channel set in the super frame, verify whether the set channel is occupied by another device in the beacon slot period, reattempt broadcasting of the beacon packet to the set channel in another predetermined super frame when the set channel is occupied by another device in the beacon slot period, and update a p value according to whether the beacon packet is successfully broadcasted by a transmission probability p value (0<p<1) of a p-persistent CSMA-CA method.
    Type: Application
    Filed: July 25, 2016
    Publication date: February 9, 2017
    Inventors: Wun Cheol JEONG, Ho Yong KANG
  • Patent number: 9544908
    Abstract: A method for dynamically managing wireless channels to minimize channel interference between heterogeneous wireless devices, and transmitting data by effectively using channels, is provided. Interference between heterogeneous wireless networks is avoided in a channel hopping mode, whereby a data transmission success rate of the wireless sensor network is enhanced, thus enhancing reliability of data transmission.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: January 10, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jun Hee Lee, Wun-Cheol Jeong
  • Publication number: 20160170014
    Abstract: An apparatus for wireless identification receives position information on recognition objects searched by a radar from the radar and identifies recognition objects within a communication area of antennas using signals responding to wireless frequency signals which are transmitted while changing beam directions of the antennas, for the recognition objects searched by the radar.
    Type: Application
    Filed: November 5, 2014
    Publication date: June 16, 2016
    Inventors: Juderk PARK, Yong Sun KIM, Wun-Cheol JEONG, Tae Joon PARK, Hoyong KANG, CHEOL SIG PYO
  • Patent number: 9300433
    Abstract: A method and apparatus for encoding a constant amplitude that is applied to a code division multiplexing communication system are provided. By dividing a data bit into a block unit, the receiving side can easily determine an error, and by reducing power consumption in outdoor wide area communication using a bit string of a small length in a basic unit of an input frame, efficiency can be improved, and thus a physical layer of a ubiquitous sensor network can be optimized.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: March 29, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Joon Park, Hoyong Kang, Wun-Cheol Jeong, Chang Sub Shin, In Hwan Lee, Cheol Sig Pyo
  • Patent number: 9294246
    Abstract: A wireless communication method using a control channel between wireless communication devices including: exchanging profile information between a node and intermediate relay nodes therearound so as to allow the node to transmit/receive data to/from a destination node; determining, by the node, a first intermediate relay node using the profile information and determining a wireless communication mode with the first intermediate relay node; and transmitting/receiving data between the node and the first intermediate relay node by the determined wireless communication mode is provided.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: March 22, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Joon Park, Keun Hyung Lee, Yong Sun Kim, Wun-Cheol Jeong, Chang Sub Shin, Juderk Park, Eun-Hee Kim, Hoyong Kang, Cheol Sig Pyo
  • Patent number: 9241319
    Abstract: A multi-channel wireless network acquires reference time information that is commonly applied to all multi-channels and acquires packet receiving time information of a received packet on each channel basis based on the reference time information by spreading and applying the reference time information to each channel.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: January 19, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Joon Park, Chang Sub Shin, Wun-Cheol Jeong, Hoyong Kang, In Hwan Lee, Cheol Sig Pyo
  • Publication number: 20150327265
    Abstract: Provided are a method of allocating resources in a wireless local area network (WLAN) system and the WLAN system including an access point (AP) to allocate a resource for communication between a relay and a station associated with the relay, the relay to allocate a restricted access window (RAW) or a slot for communication with a station based on the allocated resource, and the station to communicate with the relay based on the allocated RAW or the allocated slot.
    Type: Application
    Filed: November 29, 2013
    Publication date: November 12, 2015
    Inventors: Jae Seung LEE, Min Ho CHEONG, Hyoung Jin KWON, Sok Kyu LEE, Wun Cheol JEONG, Chang Sub SHIN, Cheol Sig PYO
  • Publication number: 20150305023
    Abstract: A method of configuring a multi-superframe is provided. The method includes setting at least one parameter for configuring the multi-superframe, and configuring the multi-superframe corresponding to the at least one parameter, wherein the at least one parameter includes a superframe order (SO), a beacon order (BO), and a multi-superframe order (MO), in a form of positive integers, and the setting includes setting the MO to have a value higher than the BO.
    Type: Application
    Filed: March 8, 2013
    Publication date: October 22, 2015
    Inventors: Wun Cheol JEONG, Chang Sub SHIN, Tae Joon PARK, Ho Yong KANG, In Hwan LEE, Cheol Sig PYO
  • Patent number: 9031007
    Abstract: A super frame structure supporting a mesh network, and a beacon scheduling method. The super frame structure and the beacon scheduling method may support a mesh topology in a beacon enabled mode, may have an algorithm that is simple and easily realized via beacon scheduling using a distribution method, and may easily adapt to changes in a network environment.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: May 12, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Chang Sub Shin, Wun Cheol Jeong, Anseok Lee, So Young Hwang, Seong Soon Joo, Jong Suk Chae