Patents by Inventor Jung Im Kim
Jung Im 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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Publication number: 20150030055Abstract: A method for converting source data to a channel-modulated signal having a plurality of pairs of in-phase (I) and quadrature-phase (Q) data in a mobile station, wherein the mobile station uses at least one channel, includes the steps of: a) encoding the source data to generate at least one data part and a control part; b) generating at least one spreading code to be allocated to the channel, wherein each spreading code is selected on the basis of a data rate of the data part and the control part and spreading codes are selected so that two consecutive pairs of the I and Q data are correspondent to two points located on same point or symmetrical with respect to a zero point on a phase domain; and c) spreading the control part and the data part by using the spreading code, to thereby generate the channel-modulated signal.Type: ApplicationFiled: September 12, 2014Publication date: January 29, 2015Inventors: Seung Chan BANG, Tae Joong KIM, Jae Heung KIM, Jung Im KIM, Jong Suk CHAE, Hyuck Jae LEE, Jae Ryong SHIM, Narm Hee LEE
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Publication number: 20140247788Abstract: Provided is a method for transmitting paging information in a cellular system. An object of the method is transmitting paging information which can improve applicability of a limited radio resource by variably and flexibly setting up and mapping a transport channel and a physical channel in order to transmit information notifying start of downlink information from a base station to a terminal in a cellular system for packet transmission. The method includes the steps of: forming a paging channel (PCH) in a transport channel corresponding to generation of paging information; setting a paging indication channel (PICH) based on the paging information and forming the paging indication channel in a radio resource of a physical layer; and allocating the paging channel to the radio resource of the physical layer.Type: ApplicationFiled: May 13, 2014Publication date: September 4, 2014Applicant: Electronics & Telecommunications Research InstituteInventors: Jae Heung KIM, Jung Im KIM, Kyoung Seok LEE, Soo Jung JUNG, Seung Chan BANG, Byung Han RYU
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Patent number: 8824590Abstract: A layered transmission apparatus transmitting information regarding a plurality of layers includes: coding units coding an information bit of a corresponding layer to generate code bits; bit interleaving units bit-interleaving a corresponding code bit to generate interleaved symbols; a modulation unit classifying layers into layer groups, and modulating interleaved symbols corresponding to each of the groups to generate a modulation symbol of each of the groups; a gain control unit controlling gain of the modulation symbol of each of the groups; and an adding unit adding gain-controlled modulation symbols of the groups to generate a transmission symbol.Type: GrantFiled: February 10, 2011Date of Patent: September 2, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Seong Rag Kim, Seuck Ho Won, Jung-Im Kim
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Patent number: 8804592Abstract: A method for managing a multicast and broadcast service in a base station according to an embodiment of the present invention includes: transmitting a multicast and broadcast service control channel to a terminal; transmitting an indicator channel for indicating a change of the multicast and broadcast service control channel by using a unicast control channel when the multicast and broadcast service control channel is changed, to the terminal; and transmitting the changed multicast and broadcast service control channel to the terminal.Type: GrantFiled: September 4, 2009Date of Patent: August 12, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jung-Im Kim, Chul Sik Yoon
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Patent number: 8797973Abstract: Disclosed is a method and apparatus for RA in a cellular system. The RA in the cellular system includes receiving an RA preamble from a terminal for RA, transmitting, to the terminal, an RA response message including a sequence of the received RA preamble and uplink resource information of the terminal and overload state information with respect to the RA, receiving control information generated based on the RA response message from the terminal through the uplink resource information, and transmitting control response information with respect to the received control information.Type: GrantFiled: December 31, 2008Date of Patent: August 5, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jae Heung Kim, Kyoung Seok Lee, Jung-Im Kim, Byung-Han Ryu, Seung Chan Bang
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Patent number: 8761814Abstract: Provided is a method for transmitting paging information in a cellular system. An object of the method is transmitting paging information which can improve applicability of a limited radio resource by variably and flexibly setting up and mapping a transport channel and a physical channel in order to transmit information notifying start of downlink information from a base station to a terminal in a cellular system for packet transmission. The method includes the steps of: forming a paging channel (PCH) in a transport channel corresponding to generation of paging information; setting a paging indication channel (PICH) based on the paging information and forming the paging indication channel in a radio resource of a physical layer; and allocating the paging channel to the radio resource of the physical layer.Type: GrantFiled: April 24, 2007Date of Patent: June 24, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Heung Kim, Jung-Im Kim, Kyoung-Seok Lee, Soo-Jung Jung, Byung-Han Ryu, Seung-Chan Bang
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Publication number: 20140126611Abstract: An orthogonal complex spreading method for a multichannel and an apparatus thereof are disclosed. The method includes the steps of complex-summing ?n1WM,n1Xn1 which is obtained by multiplying an orthogonal Hadamard sequence WM,n1 by a first data Xn1 of a n-th block and ?n2WM,n2Xn2 which is obtained by multiplying an orthogonal Hadamard sequence W1,n2 by a second data Xn2 of a n-th block; complex-multiplying ?n1WM,n1Xn1+j?n2WM,n2Xn2 which is summed in the complex type and WM,n3+jPWM,n4 of the complex type using a complex multiplier and outputting as an in-phase information and quadrature phase information; and summing only in-phase information outputted from a plurality of blocks and only quadrature phase information outputted therefrom and spreading the same using a spreading code.Type: ApplicationFiled: October 7, 2013Publication date: May 8, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Seung Chan BANG, Jae Ryong SHIM, Ki Chul HAN, Jung Im KIM, Tae Joong KIM
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Patent number: 8711829Abstract: Provided is an error correcting method that can provide improved error correction efficiency in a multimedia broadcast/multicast service (MBMS) by marking the presence of an error in a Protocol Data Unit (PDU) with an error instead of discarding the erroneous PDU in an MBMS terminal of the MBMS system, which performs error correction in an application layer, and transmitting the erroneous PDU together with a PDU without an error to the application layer, and an error correction apparatus employing the method. The MBMS terminal includes: a radio link control (RLC) protocol processor configured to receive PDUs generated from the reception data, generate service data units (SDUs) by combining the PDUs, mark whether there is an SDU recovered from a PDU with an error, and output the SDUs; and a packet data convergence protocol (PDCP) processing means configured to receive and deliver the SDUs.Type: GrantFiled: October 2, 2006Date of Patent: April 29, 2014Assignees: Electronics and Telecommunications Research Institute, SK Telecom Co., Ltd, KT CorporationInventors: Jung-Im Kim, Jae-Heung Kim, Kyoung-Seok Lee, Byung-Han Ryu, Seung-Chan Bang
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Publication number: 20140098819Abstract: A convergence network based on an identifier and a communication method using the same are provided. The convergence network based on the identifier includes an underlying network including a plurality of communication entities and an access router configured to separate IDs and locators of the communication entities; at least one domain network configured in an overlay form using the access router, and configured to have a different identifier based on a communication type or a service type; and a global name server GNS configured to register an identifier for identifying each of a communication entities and a domain network. The communication entities communicate over the at least one domain network using the identifier.Type: ApplicationFiled: July 16, 2013Publication date: April 10, 2014Inventors: Tae Wan YOU, Jung Im KIM, Hee Young JUNG
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Patent number: 8687740Abstract: A receiver for receiving a layer-modulated signal includes: a base layer decoding unit configured to calculate a bit metric including code bit information of a base layer based on the reception signal and decode an information bit of the base layer; and at least one enhancement layer decoding unit configured to decode an information bit of an upper layer of a lower layer based on the decoding results of the lower layer, wherein the base layer decoding unit and the at least one enhancement layer decoding unit are sequentially connected according to the order of the corresponding layers.Type: GrantFiled: February 11, 2011Date of Patent: April 1, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Seong Rag Kim, Seuck Ho Won, Jung-Im Kim
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Patent number: 8635506Abstract: Provided is a Multimedia Broadcast Multicast Service (MBMS); and, more particularly, a data transmission/receiving method in a multimedia broadcast multicast service system, and an apparatus thereof. The data transmitting method in the MBMS system includes the step of checking a terminal receiving data provided from the MBMS and the step of determining whether there is error report feedback on retransmission of the data according to the number of the detected terminals.Type: GrantFiled: June 20, 2008Date of Patent: January 21, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jung-Im Kim, Kyoung-Seok Lee, Jae-Heung Kim, Byung-Han Ryu, Seung-Chan Bang
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Publication number: 20130336365Abstract: A method for converting source data to a channel-modulated signal having a plurality of pairs of in-phase (I) and quadrature-phase (Q) data in a mobile station, wherein the mobile station uses at least one channel, includes the steps of: a) encoding the source data to generate at least one data part and a control part; b) generating at least one spreading code to be allocated to the channel, wherein each spreading code is selected on the basis of a data rate of the data part and the control part and spreading codes are selected so that two consecutive pairs of the I and Q data are correspondent to two points located on same point or symmetrical with respect to a zero point on a phase domain; and c) spreading the control part and the data part by using the spreading code, to thereby generate the channel-modulated signal.Type: ApplicationFiled: August 21, 2013Publication date: December 19, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Seung Chan BANG, Tae Joong KIM, Jae Heung KIM, Jung Im KIM, Jong Suk CHAE, Hyuck Jae LEE, Jae Ryong SHIM, Narm Hee LEE
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Patent number: 8560025Abstract: Provided is a method and apparatus for discontinuously transmitting/receiving packets for low-power consumption of a terminal in a cellular system for packet transmission. The present invention provides a method and apparatus that can perform a low-power consuming operation when a terminal is in active state in a cellular system. The method for discontinuously transmitting/receiving packet data to reduce power consumption of a terminal in a cellular system, including the steps of: a) establishing discontinuous transmission/reception (DTX/DRX) parameters including discontinuous DTX/DRX cycle information for terminals operating in a transmission suspension mode, which is a sub-state of an active state; and b) performing DTX/DRX based on the DTX/DRX parameters in the terminals operating in the transmission suspension mode.Type: GrantFiled: March 6, 2007Date of Patent: October 15, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Heung Kim, Jung-Im Kim, Kyoung-Seok Lee, Byung-Han Ryu, Seung-Chan Bang
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Patent number: 8559382Abstract: The present invention relates to a preamble allocation method and a random access method in a mobile communication system. In the present invention, one among preamble resources is allocated to specific mobile stations in advance, before random access. The mobile stations request random access by transmitting a preamble based on the pre-allocated preamble resource to a base station. It is therefore possible to prevent collision caused by the fact that other mobile stations transmit the same preamble.Type: GrantFiled: March 14, 2008Date of Patent: October 15, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Heung Kim, Kyoung-Seok Lee, Jung-Im Kim, Byung-Han Ryu, Seung-Chan Bang
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Publication number: 20130198369Abstract: Disclosed are a method and an apparatus for mapping a locator and an identifier of a host by using an administrative domain identifier. A method that allows an administration domain to map location information of an internal host located in the administration domain with an identifier of the internal host, includes: receiving an internal host location information registration message from the internal host, by an access router that the internal host accesses; receiving the location information registration message from the access router, by a registration server of the administrative domain; and extracting a locator of the access router from the location information registration message and mapping the locator with the internal host identifier, by the registration server.Type: ApplicationFiled: June 28, 2012Publication date: August 1, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Jung-Im KIM, Tae-Wan YOU, Hee-Young JUNG, Jung-Ha HONG
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Publication number: 20120300735Abstract: The present invention relates to a method for transmitting uplink control information in a mobile communication system; and, more particularly, to a method for effectively forming uplink control information transmitted through a downlink from a base station to a terminal in a mobile communication system for providing a packet service and transmitting the uplink control information with minimum radio resources occupied. The method includes the steps of generating uplink control information; allocating the uplink control information to a downlink-shared radio resource for packet data transmission based on downlink scheduling information; and transmitting the radio resource to a terminal. The present invention is applied to a mobile communication system.Type: ApplicationFiled: August 9, 2012Publication date: November 29, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jae-Heung Kim, Young-Jo Ko, Kyoung-Seok Lee, Jung-Im Kim, Soo-Jung Jung
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Patent number: 8270354Abstract: The present invention relates to a method for transmitting uplink control information in a mobile communication system; and, more particularly, to a method for effectively forming uplink control information transmitted through a downlink from a base station to a terminal in a mobile communication system for providing a packet service and transmitting the uplink control information with minimum radio resources occupied. The method includes the steps of generating uplink control information; allocating the uplink control information to a downlink-shared radio resource for packet data transmission based on downlink scheduling information; and transmitting the radio resource to a terminal. The present invention is applied to a mobile communication system.Type: GrantFiled: May 3, 2007Date of Patent: September 18, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Heung Kim, Young-Jo Ko, Kyoung-Seok Lee, Jung-Im Kim, Soo-Jung Jung
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Publication number: 20120155464Abstract: A communication node that requests and receives data contents is provided. The communication node broadcasts a first type of interest packet and receives one or more response packets in response thereto. The communication node selects one node among one or more nodes that have transmitted response packets, transmits a second type of interest packet to the selected node, and receives data contents from the selected node.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jung-Im KIM, Heeyoung JUNG
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Patent number: RE44635Abstract: An orthogonal complex spreading method for a multichannel and an apparatus thereof are disclosed. The method includes the steps of complex-summing ?n1WM,n1Xn1 which is obtained by multiplying an orthogonal Hadamard sequence WM,n1 by a first data Xn1 of a n-th block and ?n2WM,n2Xn2 which is obtained by multiplying an orthogonal Hadamard sequence W1,n2 by a second data Xn2 of a n-th block; complex-multiplying ?n1WM,n1Xn1+j?n2WM,n2Xn2 which is summed in the complex type and WM,n3+jPWM,n4 of the complex type using a complex multiplier and outputting as an in-phase information and quadrature phase information; and summing only in-phase information outputted from a plurality of blocks and only quadrature phase information outputted therefrom and spreading the same using a spreading code.Type: GrantFiled: July 6, 2011Date of Patent: December 10, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Seung Chan Bang, Jae Ryong Shim, Ki Chul Han, Jung Im Kim, Tae Joong Kim
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Patent number: RE44507Abstract: An orthogonal complex spreading method for a multichannel and an apparatus thereof are disclosed. The method includes the steps of complex-summing ?n1WM,n1Xn1 which is obtained by multiplying an orthogonal Hadamard sequence WM,n1 by a first data Xn1 of a n-th block and ?n2WM,n2Xn2 which is obtained by multiplying an orthogonal Hadamard sequence W1,n2 by a second data Xn2 of a n-th block; complex-multiplying ?n1WM,n1Xn1+j?n2WM,n2Xn2 which is summed in the complex type and WM,n3+jPWM,n4 of the complex type using a complex multiplier and outputting as an in-phase information and quadrature phase information; and summing only in-phase information outputted from a plurality of blocks and only quadrature phase information outputted therefrom and spreading the same using a spreading code.Type: GrantFiled: January 3, 2007Date of Patent: September 24, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Seung Chan Bang, Jae Ryong Shim, Ki-Chul Han, Jung-im Kim, Tae-Joong Kim