Patents by Inventor Soon-Yong Lim
Soon-Yong Lim 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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METHOD FOR REQUESTING AND REPORTING CHANNEL QUALITY INFORMATION IN WIRELESS PORTABLE INTERNET SYSTEM
Publication number: 20110305218Abstract: A method for requesting and reporting channel quality information (CQI) in a wireless portable Internet system is disclosed. Timing of a channel quality information request by a base station is determined, existence of an automatic repeat request acknowledgment (ARQ_ACK) message of downlink data is determined on requesting the channel quality information from the subscriber station, the automatic repeat request acknowledgment message and the radio resource for the channel quality report to the subscriber station is allocated, the automatic repeat request acknowledgment message and the channel quality report information is received, and a modulating and coding level of downlink data is determined by extracting the channel quality report information form the automatic repeat request acknowledgment message.Type: ApplicationFiled: August 18, 2011Publication date: December 15, 2011Applicants: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd., Hanaro Telecom., Inc., SK Telecom Co., Ltd., KTFreetel Co., Ltd., KT CorporationInventors: Chul-Sik YOON, Jae-Heung Kim, Kun-Min Yeo, Soon-Yong Lim, Byung-Han Ryu -
Method for requesting and reporting channel quality information in wireless portable internet system
Patent number: 8018911Abstract: A method for requesting and reporting channel quality information (CQI) in a wireless portable Internet system is disclosed. Timing of a channel quality information request by a base station is determined, existence of an automatic repeat request acknowledgment (ARQ_ACK) message of downlink data is determined on requesting the channel quality information from the subscriber station, the automatic repeat request acknowledgment message and the radio resource for the channel quality report to the subscriber station is allocated, the automatic repeat request acknowledgment message and the channel quality report information is received, and a modulating and coding level of downlink data is determined by extracting the channel quality report information from the automatic repeat request acknowledgment message.Type: GrantFiled: February 2, 2005Date of Patent: September 13, 2011Assignees: Electronics and Telecommunications Research Insitiute, Samsung Electronics Co., Ltd, KT Corporation, SK Telecom Co., Ltd, KT Freetel Co., Ltd, Hanaro Telecom, Inc.Inventors: Chul-Sik Yoon, Jae-Heung Kim, Kun-Min Yeo, Soon-Yong Lim, Byung-Han Ryu -
Publication number: 20110117914Abstract: Disclosed is a control method of user equipment (UE) to deregister a personal network element (PNE) in a personal network (PN), the control method including receiving a deregistration request message from the PNE via a personal area network (PAN) internal communication means in order to deregister the PNE registered to the PN and subordinate to the UE, transmitting a request message for deregistration of the PNE to a session control device controlling a session with respect to the PN in response to the deregistration request message, receiving a response message corresponding to the request message for deregistration of the PNE from the session control device, and transmitting the response message to the PNE via the PAN internal communication means in order to notifying deregistration of the PNE.Type: ApplicationFiled: November 9, 2010Publication date: May 19, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Mi Jeong YANG, Soon Yong LIM, Kyung-yul CHEON, Hyeyeon KWON, Aesoon PARK
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Publication number: 20110085650Abstract: A caller authentication system that may enable a called party to be provided with identification information of a caller may be provided. The caller authentication system, including: a communication system to transmit, when a call request signal is received from a calling terminal of a caller, network information and a telephone number of the calling terminal to a certificate authority server, and to request identification of the caller, the network information and the telephone number being included in the call request signal, to transmit, when identification information of the caller is received from the certificate authority server in response to the identification request, the identification information to a called terminal of a called party, and to enable the identification information to be displayed on the called terminal.Type: ApplicationFiled: July 13, 2010Publication date: April 14, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Kyung-yul CHEON, Soon Yong LIM, Aesoon PARK
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Patent number: 7912467Abstract: Disclosed is a method and device for controlling a power saving mode for applying the sleep mode for saving power consumption to the mobility of subscriber stations in a mobile communication network and a wireless Internet system. Subscriber stations entering the sleep mode are constantly grouped, listening intervals of the subscriber stations for each group are not superimposed, the existence state of traffic in the subscriber stations is independently notified for each group, and the overhead of signaling messages is minimized when the traffic is notified to the subscriber station in the sleep mode.Type: GrantFiled: December 24, 2004Date of Patent: March 22, 2011Assignees: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd., KT Corporation, SK Telecom Co., Ltd., KTFreetel Co., Ltd., Hanaro Telecom, Inc.Inventors: Chul-Sik Yoon, Jae-Heung Kim, Kun-Min Yeo, Soon-Yong Lim, Byung-Han Ryu
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Publication number: 20110038280Abstract: Disclosed are user equipment and a base station in a carrier aggregation system, and a call admission method thereof. The user equipment includes a plurality of physical layers, and the base station provides multiple component carriers. When messages for connection setup are transmitted and received between the user equipment and base station, the messages include information about what component carriers are selected by the physical layers, information about what component carriers are selectable by the physical layers, and information about calculations for uplink timing alignment, and call admission control and load balancing is performed based on the information included in the messages. Accordingly, in the carrier aggregation system, quicker call admission and load balancing are achieved.Type: ApplicationFiled: October 30, 2009Publication date: February 17, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Kwang-Ryul Jung, Soon-Yong Lim, Ae-Soon Park
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Patent number: 7813291Abstract: Disclosed is a method and device for requesting and reporting channel quality information in a mobile communication system. A base station a locates a dedicated feedback channel for channel quality information report to an uplink radio resource, transmits the allocation information to subscriber stations, and generates a CQI report message to request channel quality information from the subscriber stations. The subscriber stations receive the CQI report message from the base station, measures a radio channel quality for communication with the base station, generates channel quality information, generates a CQI response message including the channel quality information, and transmit—the CQI response message to the base station through a dedicates feedback channel designated in the allocation information.Type: GrantFiled: December 17, 2004Date of Patent: October 12, 2010Assignees: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd., KT Corporation, SK Telecom Co., Ltd., KTFreetel Co., Ltd, Hanaro Telecom, Inc.Inventors: Chul-Sik Yoon, Jae-Heung Kim, Kun-Min Yeo, Soon-Yong Lim, Byung-Han Ryu
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Patent number: 7769414Abstract: Disclosed is a power saving mode control system (200) and method in a wireless portable Internet system. Stations in the sleep mode are grouped by aligning listening intervals of the stations which enter the sleep mode in the power saving management system wherein the sleep interval for receiving no traffic data is exponentially increased. Therefore, the sleep mode of the grouped subscriber stations are easily managed, and power saving efficiency is enhanced and system complexity is lowered by easily and quickly detecting data states provided to the corresponding stations.Type: GrantFiled: July 16, 2004Date of Patent: August 3, 2010Assignees: Electronics and Telecommunications Research Institute, KT Corporation, Samsung Electronics Co., Ltd., Hanaro Telecom, Inc., SK Telecom Co., Ltd.Inventors: Chul-Sik Yoon, Soon-Yong Lim, Jae-Heung Kim, Kun-Min Yeo, Byung-Han Ryu, Seung-Ku Hwang
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Patent number: 7752519Abstract: Provided is a method for generating a feedback message for ARQ including recording an ACK type in a first field; estimating the last block sequence number of successively ACKed blocks and recording the estimated last block sequence number in a second field; recording the number of groups of successively ACKed blocks after the estimated last block sequence number as the number of ACK MAPs in a third field; recording the startblock sequence number of the respective ACK MAPs in a fourth field; recording the lengths of the respective ACK MAPs in a fifth field corresponding to the recorded start block sequence number; and sending a feedback message including information on the first to the fifth fields.Type: GrantFiled: December 29, 2004Date of Patent: July 6, 2010Assignees: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd., KT Corporation, SK Telecom Co., Ltd., KTFreetel Co., Ltd., Hanaro Telecom., Inc.Inventors: Kun-Min Yeo, Chul-Sik Yoon, Jae-Heung Kim, Soon-Yong Lim, Byung-Han Ryu
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Publication number: 20100159822Abstract: Provided is an apparatus and method for providing a Multimedia Broadcast and Multicast Service (MBMS) in a wireless communication system, e.g., a 3rd-Generation Partnership Project (3GPP) Long-Term Evolution (LTE)-Advanced mobile communication system. The method for providing an MBMS in a mobile communication system includes: multiplexing MBMS traffic channels providing MBMS traffic data and an MBMS control channel proving control information of MBMS into a downlink-shared channel; processing and transmitting data of the downlink-shared channel to be transmitted through a physical downlink-shared channel of a physical channel; and generating and transmitting a physical downlink control channel which includes identifiers for indicating MBMS data and information to designate a receiving terminal of data transmitted through the physical downlink-shared channel.Type: ApplicationFiled: September 8, 2009Publication date: June 24, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Soon-Yong LIM, Ae-Soon PARK
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Publication number: 20100150082Abstract: Provided is a buffer status reporting method of a terminal device in a mobile communication system. The buffer status reporting method includes obtaining a radio resource allocation for a plurality of component carriers from a base station, configuring a plurality of medium access control-protocol data units (MAC-PDUs) including buffer status information corresponding to the plurality of component carriers, the plurality of MAC-PDUs including generated sequence numbers (SNs), and transmitting the plurality of MAC-PDUs to the base station through the plurality of component carriers.Type: ApplicationFiled: July 23, 2009Publication date: June 17, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Jae Wook SHIN, Kwang Ryul Jung, Soon Yong Lim, Ae-soon Park
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Publication number: 20100136987Abstract: The present invention relates to a wireless communication system having protocol architecture for reducing latency of a cellular system. In the protocol architecture of the wireless communication system in the cellular system, a physical layer supports wireless transmission of the cellular system and estimates a radio channel condition. A data link layer determines a data transmission mode based on a QoS of user data and the radio channel condition estimated by the physical layer and performs segmentation and assembly of the packet data, and a network layer establishes and releases a radio bearer for transmitting packet data transmitted from the data link layer and a control command. A control service access point is provided for control information transmission between the data link layer and the physical layer.Type: ApplicationFiled: June 15, 2006Publication date: June 3, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Kang-Hee Kim, Soo-Jung Jung, Geon-Min Yeo, Soon-Yong Lim, Kyung-Seok Lee, Jae-Heung Kim, Il-Soon Jang, Hyun-Hwa Seo, Jung-Im Kim, Mu-Yong Shin, Byung-Han Ryu
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Publication number: 20100120431Abstract: Provided are an inter-carrier member handover apparatus and method. In the inter-carrier member handover apparatus and method, data is transmitted or received by allocating a plurality of carriers to a single mobile terminal, a carrier aggregation, which includes a plurality of carrier members that process the allocated carriers, is managed, and a handover between the carrier members in the managed carrier aggregation is processed when the handover is required. Therefore, an intra-base station handover can be performed when a mobile terminal and a base station exchange data using a plurality of carrier frequency bands.Type: ApplicationFiled: September 18, 2009Publication date: May 13, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: You-sun HWANG, Soon-yong LIM, Ae-soon PARK
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Patent number: 7631239Abstract: The present invention relates to a method for retransmitting a packet in a mobile communication system. A waiting time for retransmission is established when a packet transmitted from a transmission unit to a receipt unit has no ACK message. A maximum number of times for retransmitting the packet is established when an NACK message is received. The ARQ transmitter moves to a discard state when the maximum management time of the ARQ block expires or the number of times of retransmissions exceeds the maximum number of times of retransmissions, and checks the ACK message receipt. The packet in the transmission buffer is discarded regardless of whether the distant message is transmitted or the discard message is transmitted or the discard message is checked when the ACK message is received.Type: GrantFiled: December 29, 2004Date of Patent: December 8, 2009Assignees: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd., KT Corporation, SK Telecom Co., Ltd., KT FREETEL Co., Ltd., Hanaro Telecom., Inc.Inventors: Kun-Min Yeo, Chul-Sik Yoon, Jae-Heung Kim, Soon-Yong Lim, Byung-Han Ryu
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Publication number: 20090213800Abstract: A terminal state controlling method and apparatus are provided. The terminal state includes a connected state and an idle state, and the connected state includes an active state and a dormant state. The active state includes a scheduling-ON state and a scheduling-OFF state. In the state controlling apparatus, a radio resource control (RRC) layer controls a transition between the active state and the dormant state, and a media access control (MAC) layer controls a transition between the scheduling-ON state and the scheduling-OFF state.Type: ApplicationFiled: June 15, 2006Publication date: August 27, 2009Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITInventors: Kyung-Seok Lee, Soo-Jung Jung, Byung-Han Ryu, Kang-Hee Kim, Jung-Im Kim, Hyun-Hwa Seo, Mu-Yong Shin, Geon-Min Yeo, Soon-Yong Lim, Jae-Heung Kim, Il-Soon Jang
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Publication number: 20090175178Abstract: Disclosed is a method and device for requesting and reporting channel quality information in a mobile communication system. A base station a locates a dedicated feedback channel for channel quality information report to an uplink radio resource, transmits the allocation information to subscriber stations, and generates a CQI report message to request channel quality information from the subscriber stations. The subscriber stations receive the CQI report message from the base station, measures a radio channel quality for communication with the base station, generates channel quality information, generates a CQI response message including the channel quality information, and transmit-the CQI response message to the base station through a dedicates feedback channel designated in the allocation information.Type: ApplicationFiled: December 17, 2004Publication date: July 9, 2009Inventors: Chul-Sik Yoon, Jae-Heung Kim, Kun-Min Yeo, Soon-Yong Lim, Byung-Han Ryu
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Patent number: 7551937Abstract: Information for different subscribers of a service with the same modulation and channel encoding method is transmitted by allocating radio resources in a wireless portable Internet system. Also, identifier information on the subscriber of a concurrently allocated radio resource is transmitted through common control information. Therefore, information for a plurality of subscribers coexists in a single radio resource block, and it can be easily transmitted. Since a subscriber station which has received downlink information can know to which radio resource block the information for the corresponding station is allocated through the subscriber identifier information transmitted as common control information, the subscriber station can access desired information by accessing a specific radio resource block to which information for the subscriber is allocated in the received frame.Type: GrantFiled: July 16, 2004Date of Patent: June 23, 2009Assignees: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd., SK Telecom Co., Ltd., KT Corporation, Ktfreetel Co., Ltd., Hanaro Telecom., Inc.Inventors: Jae-Heung Kim, Soon-Yong Lim, Chul-Sik Yoon, Kun-Min Yeo, Seok-Joo Shin, Boong-Gee Song, Kwang-Seop Eom, Min-Hee Cho, Jae-Hee Cho, Byung-Han Ryu, Seung-Ku Hwang
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Publication number: 20080287138Abstract: The subscriber station of claim 15, wherein the uplink data includes data to be transmitted, and a header having information on the data and the subscriber, and the uplink data generator adds the subheader includDisclosed is a method and device for requesting and reporting channel quality information in a mobile communication system. An uplink radio resource for a subscriber station having data to transmit is allocated and a CQI indicator for requesting channel quality information is added to the allocation information to be transmitted to a subscriber station. The subscriber station having received the uplink radio resource allocation information generates channel quality information by measuring the radio channel quality for communication with the base station according to existence of the indicator and transmits desired uplink data having the generated channel quality information to the base station.Type: ApplicationFiled: February 2, 2005Publication date: November 20, 2008Inventors: Chul-Sik Yoon, Jae-Heung Kim, Kun-Min Yeo, Soon-Yong Lim, Byung-Han Ryu
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Publication number: 20080240022Abstract: Disclosed is a method for allocating and accessing downlink resources in the OFDMA communication system. In the resource allocation method, bursts having the same modulation and channel encoding level are arranged in a predetermined temporal order on a physical layer. Information on the allocated unit resources is included in a common control block and is transmitted to a subscriber station, and the subscriber station then detects a number of the allocated unit resources to thus check the range of bursts to be received by the subscriber station. Therefore, power consumption by the subscriber station is reduced and signaling overheads of the common control information and unneeded residual resources are decreased.Type: ApplicationFiled: December 2, 2004Publication date: October 2, 2008Inventors: Chul-Sik Yoon, Soon-Yong Lim, Jae-Heung Kim, Kun-Min Yeo, Byung-Han Ryu
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Publication number: 20080218209Abstract: The present invention relates to a device for controlling a state of a terminal with respect to mobility management, and a method thereof. The state of the terminal includes a disconnected state and a connected state, the connected state includes an active state and an idle state, and the active state includes an active sub-state and a standby sub-state. The terminal in the active state updates location information for each cell, and the terminal in the idle state updates the location information for each radio access network registration area including a plurality of cells. The terminal in the active sub-state performs a handover when leaving a current cell. The terminal in the standby sub-state determines a quality of service (QoS) of packet data, and performs the handover or is set to be in the idle state according to the determined QoS.Type: ApplicationFiled: August 23, 2006Publication date: September 11, 2008Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kyoung-Seok Lee, Soo-Jung Jung, Kang-Hee Kim, Soon-Yong Lim, Byung-Han Ryu, Jae-Heung Kim, Jeong-Im Kim, Geon-Min Yeo