Patents by Inventor Young Bum Kim

Young Bum 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).

  • Patent number: 9042319
    Abstract: Method and apparatus for a User Equipment (UE) determining a resource for a transmission of a control signal in response to a detected control channel including Control Channel Elements (CCEs), where transmission of the control signal is with a first sequence or with a second sequence, if a first resource or a second resource is used, respectively. The first resource is determined from the CCE index while the second resource is determined from a group of consecutive CCE indexes. The UE is also signaled a bit-map associating the subframe of the control channel detection with the use of a first resource or of a second resource.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: May 26, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Aris Papasakellariou, Young-Bum Kim, Joon-Young Cho
  • Patent number: 9036549
    Abstract: A method and device deactivate carrier aggregation and execute single carrier operation in a terminal, in a wireless communication system in which broadband is achieved by means of carrier aggregation. More specifically, in a terminal which is running a plurality of carriers, unnecessary power consumption in the terminal is prevented and additional screening events are minimized by defining physical layer signaling so as to make the terminal rapidly convert to running a single carrier.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: May 19, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Bum Kim, Joon-Young Cho, Youn-Sun Kim, Jin-Kyu Han, Seung-Hoon Choi
  • Patent number: 9036739
    Abstract: A method and apparatus are provided for multiplexing Uplink Control Information (UCI) with data information in a Physical Uplink Shared CHannel (PUSCH) transmitted over multiple spatial layers where aspects of the UCI multiplexing include the determination of the number of coded UCI symbols in each spatial layer when the data information is conveyed using multiple Transport Blocks (TBs), the determination of the number of coded UCI symbols in each spatial layer when the PUSCH conveys a single TB retransmission for a Hybrid Automatic Repeat reQuest (HARQ) process while the initial TB transmission for the same HARQ process was in a PUSCH conveying multiple TBs, and the determination of the modulation scheme for the coded UCI symbols.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: May 19, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Aris Papasakellariou, Young-Bum Kim
  • Publication number: 20150124772
    Abstract: An apparatus and method are provided for a mobile communication system. The method includes receiving a signal; determining location information of symbol groups; and acquiring the symbol groups, to which an orthogonal sequence is applied, from the signal, based on the location information. The symbol groups are mapped to orthogonal frequency division multiple (OFDM) symbols and multiple antennas based on a symbol group index and a physical HARQ indicator channel (PHICH) group index, and the symbol groups are mapped to the OFDM symbols and the multiple antennas in an alternating pattern in accordance with the symbol group index.
    Type: Application
    Filed: January 16, 2015
    Publication date: May 7, 2015
    Inventors: Young-Bum KIM, Jin-Kyu Han, Hwan-Joon Kwon, Ju-Ho Lee, Jianzhong Zhang
  • Patent number: 9020517
    Abstract: A method and apparatus are provided for receiving ACK/NACK information by a base station. The method includes transmitting data and control information to at least one UE, the control information being transmitted through a downlink control channel including at least one CCE; checking a resource for reception of an ACK/NACK mapped to the at least one CCE based on a mapping rule between CCEs and resources for reception of the ACK/NACK, the resource for reception of the ACK/NACK identified by a cyclic shift index, an orthogonal sequence index, and a resource block index; and receiving the ACK/NACK information for the transmitted data using the checked resource.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Bum Kim, Joon-Young Cho, Aris Papasakellariou, Hwan-Joon Kwon
  • Patent number: 9008014
    Abstract: A method and an apparatus for transmitting Hybrid Automatic Repeat reQuest (HARQ) Acknowledgement/Negative Acknowledgement (ACK/NACK) are provided. The HARQ ACK/NACK transmission method includes receiving a Physical Downlink Shared Channel (PDSCH) in a subframe of a first cell, identifying an ACK subframe for transmitting HARQ ACK/NACK corresponding to the PDSCH, and transmitting the HARQ ACK/NACK in the identified ACK subframe of a second cell.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Hoon Choi, Joon Young Cho, Jin Kyu Han, Young Bum Kim, Hyoung Ju Ji
  • Patent number: 9007964
    Abstract: The present invention relates to a method for defining, in a TDD wireless communication system in which broadband is configured by means of carrier aggregation, transceiving timing for a data channel and a control channel when cross-carrier scheduling is implemented.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: April 14, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Bum Kim, Joon Young Cho, Jin Kyu Han, Seung Hoon Choi, Youn Sun Kim, Hyoung Ju Ji
  • Patent number: 9001677
    Abstract: A method and apparatus for selecting and allocating antennas efficiently are provided. The method includes transmitting, to a User Equipment (UE), information indicating a configuration of a plurality of Channel Status Information Reference Signals (CSI-RSs) through UE specific signaling during an initial access attempt with the UE; receiving, from the UE, CSI-RS measurement results indicating configured CSI-RSs; transmitting CSI-RSs corresponding to a set of available distributed ports (D-ports) based on received signal strength information included in results of the CSI-RS measurement; and determining a CSI-RS of a selected D-port set for use in communications based on feedback information received from the UE.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: April 7, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Youn Sun Kim, Young Bum Kim, Hyo Jin Lee, Joon Young Cho, Ju Ho Lee, Jin Kyu Han, Shan Cheng
  • Patent number: 8995924
    Abstract: A method for configuring gain factors in a WCDMA telecommunication system is provided in which the gain factor for defining power required for normal reception of uplink data in an environment supporting an uplink service over an E-DCH can be configured using minimal signaling information. First gain factors for first TFs corresponding to a part of a TF set including a plurality of TFs available for an uplink service are received. One of the first TFs is determined as a reference TF for a second TF other than the first TFs in the TF set. Then, a second gain factor for the second TF is calculated using the first gain factor for the determined reference TF. The second gain factor is used for transmitting or receiving uplink data.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: March 31, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youn-Hyoung Heo, Ju-Ho Lee, Yujian Zhang, Joo-Young Cho, Young-Bum Kim, Yong-Jun Kwak
  • Patent number: 8976899
    Abstract: Methods and apparatus are provided for transmitting/receiving data in consideration of carrier frequency in the mobile communication system using multiple transmission antennas for increasing data rate and system throughput. A number of antennas and a plurality of symbols are determined via an in-phase domain and a quadrature-phase domain. The symbols are mapped according to the number of antennas and the in-phase domain and the quadrature-phase domain. The mapped symbols are transmitted through corresponding antennas.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: March 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jongsoo Choi, Seung Hoon Hwang, Byoung Jo Choi, Young Bum Kim
  • Patent number: 8964676
    Abstract: A method and apparatus are provided for transmitting system information in a mobile communication system. The method includes configuring system information including first antenna configuration information and second antenna configuration information, and broadcasting the system information. The first antenna configuration information includes information about a number of antennas of a base station.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: February 24, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyoung-Ju Ji, Joon-Young Cho, Young-Bum Kim, Seung-Hoon Choi, Sang-Min Ro, Ju-Ho Lee
  • Patent number: 8964689
    Abstract: Disclosed are a method and an apparatus for operating multi-band and multi-cell. An Enhanced Node B (eNB) transmits a synchronization channel and a broadcasting channel for narrow-band user equipments (UEs) through a first band narrower than a system band, the first band being located in a center band of the system band, and transmits a control channel for scheduling a data channel for a first narrow-band UE which is one of the narrow-band UEs through a second band equal to or wider than the first band, the second band not overlapping the first band within the system band. The first band is designed to be matched to a band where the synchronization channel and the broadcasting channel of a host cell using an entire system band are transmitted.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: February 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung-Ju Ji, Joon-Young Cho, Young-Bum Kim, Hee-Don Gha, Ju-Ho Lee
  • Publication number: 20150049622
    Abstract: The present invention relates to a method for transmitting an uplink channel in a wireless communication system. The method for transmitting an uplink channel of a terminal according to one embodiment of the present invention may comprise the steps of: receiving a downlink control message; extracting the starting point of a dynamic physical uplink control channel (PUCCH) resource region from the downlink control message; and transmitting an uplink channel according to the starting point of the extracted dynamic PUCCH resource region. An embodiment of the invention exhibits effects in reducing the signaling overhead, and preventing the terminal from unnecessarily consuming power, when transmitting the uplink channel in a CoMP system.
    Type: Application
    Filed: January 30, 2013
    Publication date: February 19, 2015
    Inventors: Young Bum Kim, Joon Young Cho, Youn Sun Kim, Ki-IL Kim, Ju Ho Lee, Hyo Jin Lee
  • Publication number: 20150049725
    Abstract: Provided is a method of transmitting control information of a base station in a mobile communication system includes obtaining scheduling information from a terminal; and transmitting at least two control channels through one down link carrier, wherein each control channel corresponds to a different uplink carrier.
    Type: Application
    Filed: October 29, 2014
    Publication date: February 19, 2015
    Inventors: Young Bum KIM, Ju Ho Lee
  • Patent number: 8958368
    Abstract: A method and apparatus for transmitting and receiving downlink control information in a mobile communication system supporting an uplink packet data service are provided. To transmit packet data in an HARQ mobile communication system, a second transceiver receives an RG as rate control information from a first transceiver. The second transceiver sets the allowed maximum data rate of an HARQ process to which the RG is applied to the allowed maximum data rate of an HARQ process previous to the HARQ process, if the RG indicates hold. The second transceiver transmits packet data within the set allowed maximum data rate to the first transceiver.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: February 17, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Bum Kim, Young-Jun Kwak, Ju-Ho Lee, Youn-Hyoung Heo, Joon-Young Cho
  • Publication number: 20150043673
    Abstract: A feedback information transmission/reception method for use in a mobile communication system is provided. The feedback information transmission method includes receiving configuration information on at least two reference signals and feedback configuration information for use in generating feedback information based on the at least two reference signals from a base station, receiving the at least two reference signals from the base station, measuring the at least two reference signals received, generating the feedback information based on the measurement result according to the feedback configuration information, and transmitting the feedback information to the base station.
    Type: Application
    Filed: August 7, 2014
    Publication date: February 12, 2015
    Inventors: Hyo Jin Lee, Youn Sun Kim, Ju Ho Lee, Young Bum Kim, Hyoung Ju Ji
  • Patent number: 8953552
    Abstract: A method is provided for allocating resources of a control channel in a mobile communication system using Orthogonal Frequency Division Multiplexing (OFDM). The method includes, when a time index and a frequency index of available Resource Elements (REs) are defined as l and k, respectively, dividing the available REs in a two-dimensional structure of (k, l); and time-first-allocating each RE to a plurality of RE groups while increasing the time index l for each frequency index k from an initial value up to a predetermined range.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: February 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Kyu Han, Ju-Ho Lee, Hwan-Joon Kwon, Young-Bum Kim, Byung-Sik Kim, Hyoung-Ju Ji
  • Patent number: 8950431
    Abstract: Disclosed therein is a fluid flow control device having a cylinder assembly, which includes cylinders overlapped with each other and fluid pathways for controlling flow rate and velocity of fluid, comprising: a first cylinder having a plurality of first fluid pathways of an elongated form horizontally permeating the cylinder from a central axis; a second cylinder disposed on the outer circumference of the first cylinder; and a third cylinder disposed on an outer circumference of the second cylinder.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: February 10, 2015
    Assignee: System D&D Co., Ltd.
    Inventor: Young Bum Kim
  • Publication number: 20150036643
    Abstract: A method and apparatus are provided for transmitting and receiving control information in a wireless communication system supporting multi-cell transmission. A method includes receiving a first pilot signal from a first cell and a second pilot signal from a second cell; generating first control information indicating channel quality for the first cell and second control information indicating channel quality for the second cell, based on the first pilot signal and the second pilot signal, respectively; separately encoding the first control information and the second control information; separately power controlling the encoded first control information and the encoded second control information; transmitting, on the first cell, the power controlled, encoded first control information on a first control channel; and transmitting, on the first cell, the power controlled, encoded second control information on a second control channel.
    Type: Application
    Filed: October 21, 2014
    Publication date: February 5, 2015
    Inventors: Young Bum KIM, Youn H. HEO, Ju Ho LEE
  • Publication number: 20150036606
    Abstract: The present invention is a method in which a base station transmits a control channel signal in an orthogonal frequency division multiplexing (OFDM) communication system, wherein the method configures a physical resource block (PRB) from multiple resource elements (REs) for a control channel signal for scheduling, allocates at least one RE to a response channel signal, the at least one RE occupying the time domain the same as that of the RE used in a resource signal transmission in a data channel region of the PRB and occupying the frequency domain nearest to the RE used in the reference signal transmission, and transmits the control channel signal for scheduling and the response channel signal.
    Type: Application
    Filed: January 22, 2013
    Publication date: February 5, 2015
    Inventors: Hyoung-Ju Ji, Youn-Sun Kim, Ju-Ho Lee, Joon-Young Cho, Young-Bum Kim