Patents by Inventor Ki-Seon Ryu

Ki-Seon Ryu 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: 9769714
    Abstract: The present invention relates to a method for updating secondary carrier information for preemptively allocating secondary carriers during handover and an apparatus for carrying out the method. A method in which a terminal performs handover in a broadband access system that supports multiple carriers according to one embodiment of the present invention comprises: a step in which a target base station receives, from a serving base station, a first message including carrier allocation information on at least one secondary carrier preemptively allocated to the terminal; a step of performing network reentry with the target base station; and judging whether the multi-carrier configuration of the serving base station and the multi-carrier configuration of the target base station are the same, and, if the configurations are different from each other, transmitting, to the target base station, a second message for requesting multi-carrier capability negotiation.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: September 19, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Eun Jong Lee, Ki Seon Ryu, Young Soo Yuk
  • Patent number: 9763213
    Abstract: A method for paging in a wireless access system is provided. A method for paging a mobile station of an idle mode includes allocating large paging group identifier and small paging group identifier of a paging group to which the mobile station belongs to a header; allocating a large paging group flag and a small paging group flag to the header, the large paging group flag and the small paging group flag indicating the presence of a paging message for the mobile station; and transmitting the header to the mobile station of the idle mode.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: September 12, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Gi Won Park, Ki Seon Ryu
  • Patent number: 9736775
    Abstract: The present invention relates to a multi-carrier resource utilization method and apparatus for power saving in a communication system using a multi-carrier, in which the activation of a secondary carrier for transmitting and receiving data traffic between a terminal and a base station is determined according to the QoS (Quality of Service) requirements such as a data traffic status between the terminal and the base station, a maximum sustained traffic rate, a maximum traffic burst size, or the like, and an indication message (Indication) indicating this is transferred to the terminal through a primary carrier to transmit and receive data traffic through the activated secondary carrier.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: August 15, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: In-Uk Jung, Ki-Seon Ryu, Eun-Jong Lee, Yong-Ho Kim, Young-Soo Yuk
  • Publication number: 20170208562
    Abstract: A method for paging in a wireless access system is provided. A method for paging a mobile station of an idle mode includes allocating large paging group identifier and small paging group identifier of a paging group to which the mobile station belongs to a header; allocating a large paging group flag and a small paging group flag to the header, the large paging group flag and the small paging group flag indicating the presence of a paging message for the mobile station; and transmitting the header to the mobile station of the idle mode.
    Type: Application
    Filed: September 3, 2013
    Publication date: July 20, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Gi Won PARK, Ki Seon RYU
  • Publication number: 20170195871
    Abstract: A method for operating a plurality of carriers by a user equipment in a wireless communication system supporting a primary carrier and at least one secondary carrier, the method includes transmitting, to a base station, carrier capability information; receiving, from the base station, carrier configuration information, the carrier configuration information including an index of the at least one secondary carrier configured for the user equipment, the carrier configuration information being based upon the carrier capability information of the user equipment, the primary carrier being configured as a carrier for performing an initial network entry procedure; receiving, from the base station, a control channel including information regarding multi-carrier operation through the primary carrier; and transmitting, to the base station, traffic through one of the at least one secondary carrier based on the information regarding multi-carrier operation.
    Type: Application
    Filed: March 22, 2017
    Publication date: July 6, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Yong Ho KIM, Ki Seon RYU, Young Soo YUK, Jeong Ki KIM
  • Patent number: 9699787
    Abstract: A method for efficiently performing an initial access in an MS in a multi-carrier broadband wireless access system is disclosed. The method includes scanning a plurality of carriers supported by a BS, and selecting one of the scanned carriers as a first carrier and receiving an SFH of the first carrier. The SFH of the first carrier includes at least one of a field indicating load status of the first carrier and recommended network entry carrier information including information about a second carrier in good load status.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: July 4, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: In Uk Jung, Ki Seon Ryu, Jeong Ki Kim, Hee Jeong Cho, Yong Ho Kim, Young Soo Yuk
  • Patent number: 9628984
    Abstract: A method for transceiving multi-carrier information in a communication system supporting a multi-carrier. The method includes performing a capability negotiation with respect to whether or not to support the multicarrier through a network entry with a base station; receiving a broadcast message from the base station, the broadcast message including multicarrier configuration information supported by the base station; sending, by a terminal, a multicarrier request message including carrier information, and the carrier that the terminal is able to support according to the terminal capability or prefers, according to the received multicarrier configuration information, to the base station; and receiving from the base station a response message to the multicarrier request message, the response message including carrier allocation information including a primary carrier and a secondary carrier allocated to the terminal.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: April 18, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Yong-Ho Kim, Ki-Seon Ryu, Young-Soo Yuk, Jeong-Ki Kim
  • Patent number: 9602248
    Abstract: A method for transmitting and receiving ARQ feedback information in a wireless communication system is disclosed. A method for allowing a mobile station to transmit an ARQ feedback in a broadband wireless access system includes receiving an ARQ block and an ARQ feedback polling from the base station, wherein the ARQ feedback polling requests the mobile station to transmit ARQ feedback information indicating whether the ARQ block is successfully received, receiving a first uplink resource for transmitting the ARQ feedback from the base station, and determining whether the received ARQ block is successfully received. The first uplink resource has a minimum size capable of being allocated to the ARQ feedback information.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: March 21, 2017
    Assignee: LG Electronics Inc.
    Inventors: Eun Jong Lee, Ki Seon Ryu, Hee Jeong Cho, Yong Ho Kim, Young Soo Yuk
  • Patent number: 9520936
    Abstract: A method for efficiently updating system information of a base station at a relay station of a broadband wireless access system and an apparatus for performing the method are disclosed. The method for updating system information of an advanced base station (ABS) at an advanced relay station (ARS) of a broadband wireless access system comprises receiving a first message, which includes changed information of the system information of the base station, from the base station; transmitting a second message for acknowledgment of the first message to the base station; and performing application for the changed information.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: December 13, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hee Jeong Cho, Ki Seon Ryu, In Uk Jung, Yong Ho Kim, Young Soo Yuk, Gi Won Park
  • Patent number: 9474066
    Abstract: A method and apparatus for transmitting and receiving system information in a wireless communication system are disclosed. A method for receiving system information by a mobile station (MS) of a wireless communication system includes receiving a secondary superframe header (S-SFH) change cycle from a base station (BS), and receiving a primary superframe header information element (P-SFH IE) including a first field indicating a change count of a plurality of secondary superframe header subpacket information elements (S-SFH SP IEs) from the base station (BS). Once each of the plurality of S-SFH SP IEs is changed, each of the plurality of S-SFH SP IEs remains unchanged during one or more S-SFH change cycles.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: October 18, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hee Jeong Cho, Ki Seon Ryu, Jin Soo Choi, Yong Ho Kim, Young Soo Yuk
  • Patent number: 9468034
    Abstract: A method for detecting coverage loss in a broadband wireless access system is disclosed, which recognizes a connection state between a mobile station (MS) and a base station (BS), and provides a method and apparatus for quickly performing network re-entry when the MS moves out of a coverage area of the BS. A method for allowing a base station to perform coverage loss detection of a mobile station in a broadband wireless access system includes unsolicitedly transmitting a first message wherein a bit for requesting ranging execution is set, to the mobile station, and upon receiving a second message for confirming the ranging from the mobile station prior to expiration of a first timer that begins to operate when the first message is transmitted, restarting operating a second timer established for the mobile station.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: October 11, 2016
    Assignee: LG Electronics Inc.
    Inventors: Jin Lee, Yong Ho Kim, Ki Seon Ryu
  • Publication number: 20160295592
    Abstract: A method for efficiently performing an initial access in an MS in a multi-carrier broadband wireless access system is disclosed. The method includes scanning a plurality of carriers supported by a BS, and selecting one of the scanned carriers as a first carrier and receiving an SFH of the first carrier. The SFH of the first carrier includes at least one of a field indicating load status of the first carrier and recommended network entry carrier information including information about a second carrier in good load status.
    Type: Application
    Filed: June 20, 2016
    Publication date: October 6, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: In Uk JUNG, Ki Seon RYU, Jeong Ki KIM, Hee Jeong CHO, Yong Ho KIM, Young Soo YUK
  • Patent number: 9432844
    Abstract: A method for updating a group traffic key used for encrypting and decrypting multicast data in a wireless communication system is described. The method includes receiving, from the base station, a first message comprising a new group security seed; and updating the group traffic key based on the new group security seed.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: August 30, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: In Uk Jung, Jin Sam Kwak, Ki Seon Ryu, Wook Bong Lee
  • Patent number: 9432915
    Abstract: The present invention relates to a broadband wireless access system; and more specifically to a method and apparatus for performing an efficient ranging procedure by mobile station and a base station, by distinguishing the dedicated ranging from the contention-based random access. A method for performing ranging with a mobile station in a broadband wireless access system according to one embodiment of the present invention comprises: transmitting a first ranging code for requesting ranging to a base station through a first ranging opportunity of a first frame; and receiving a first message including a response to the first ranging code, wherein if the first ranging code is a dedicated ranging code and the response to the first ranging code is “continue”, the first message may further include at least one of a dedicated flag field, a second ranging code, and the information on the second ranging opportunity.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: August 30, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hee Jeong Cho, Young Soo Yuk, Yong Ho Kim, Ki Seon Ryu
  • Publication number: 20160242114
    Abstract: The present invention relates to a multi-carrier resource utilization method and apparatus for power saving in a communication system using a multi-carrier, in which the activation of a secondary carrier for transmitting and receiving data traffic between a terminal and a base station is determined according to the QoS (Quality of Service) requirements such as a data traffic status between the terminal and the base station, a maximum sustained traffic rate, a maximum traffic burst size, or the like, and an indication message (Indication) indicating this is transferred to the terminal through a primary carrier to transmit and receive data traffic through the activated secondary carrier.
    Type: Application
    Filed: April 26, 2016
    Publication date: August 18, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: In-Uk JUNG, Ki-Seon RYU, Eun-Jong LEE, Yong-Ho KIM, Young-Soo YUK
  • Patent number: 9398583
    Abstract: A method for efficiently performing an initial access in an MS in a multi-carrier broadband wireless access system is disclosed. The method includes scanning a plurality of carriers supported by a BS, and selecting one of the scanned carriers as a first carrier and receiving an SFH of the first carrier. The SFH of the first carrier includes at least one of a field indicating load status of the first carrier and recommended network entry carrier information including information about a second carrier in good load status.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: July 19, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: In Uk Jung, Ki Seon Ryu, Jeong Ki Kim, Hee Jeong Cho, Yong Ho Kim, Young Soo Yuk
  • Publication number: 20160174114
    Abstract: The present invention relates to a method for updating secondary carrier information for preemptively allocating secondary carriers during handover and an apparatus for carrying out the method. A method in which a terminal performs handover in a broadband access system that supports multiple carriers according to one embodiment of the present invention comprises: a step in which a target base station receives, from a serving base station, a first message including carrier allocation information on at least one secondary carrier preemptively allocated to the terminal; a step of performing network reentry with the target base station; and judging whether the multi-carrier configuration of the serving base station and the multi-carrier configuration of the target base station are the same, and, if the configurations are different from each other, transmitting, to the target base station, a second message for requesting multi-carrier capability negotiation.
    Type: Application
    Filed: December 7, 2015
    Publication date: June 16, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Eun Jong LEE, Ki Seon RYU, Young Soo YUK
  • Patent number: 9363787
    Abstract: A method for adaptively receiving and providing a multicast broadcasting service (MBS) according to at least one of capability and a channel status of a mobile station (MS) is disclosed. In more detail, a base station provides the MBS to MSs using different layers according to the capabilities and/or the channel statuses of the MSs, and the MSs adaptively receive the MBS according to the respective capabilities and/or the channel statuses of the MSs.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: June 7, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Du Hyun Mun, Yong Ho Kim, Ki Seon Ryu
  • Patent number: RE46529
    Abstract: A method of transmitting and receiving data using a superframe structure is disclosed. A method for transmitting data through a superframe including a superframe header, includes generating the superframe which includes a data region including user data and includes a dedicated control region including data region allocation information indicating resource allocation for the data region, and transmitting the superframe. The dedicated control region is arranged at at least one of locations except for a subframe of the superframe header. A user equipment which does not have to transmit and receive data decodes only data region allocation information using information of the data region indicated by a dedicated control region, thereby minimizing power loss, reducing a feedback delay, and reducing system overhead using a superframe structure.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: August 29, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Wook Bong Lee, Bin Chul Ihm, Yong Ho Kim, Jin Sam Kwak, Ki Seon Ryu, Jin-Young Chun, Young Soo Yuk
  • Patent number: RE47328
    Abstract: A method for configuring system information, a method for transmitting system information, and a method for transmitting resource ratio information are disclosed. A method for receiving system information elements includes receiving a first message including a fixed-size system information element from a base station, and receiving a second message including an variable-size system information element from the base station.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: March 26, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Young Soo Yuk, Jeong Ki Kim, Ki Seon Ryu, Yong Ho Kim