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).

  • CQI transmission power control method and apparatus for wireless communication system supporting multi-cell HSDPA
    Patent number: 9295036
    Abstract: A CQI transmission power control method is provided for transmitting CQIs of multiple cells is provided for a multi-cell HSDPA system in which multiple cells transmit packet data to a user equipment. A control information transmission method of a user equipment in a wireless communication system supporting multi-cell packet transmission service according to the present invention includes generating control informations indicating channel qualities of different cells; classifying the control informations into two control information groups according to a predetermined rule; compensating the control information groups for securing uniform reception performance at a base station; and transmitting the compensated control information groups to the base station.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: March 22, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Young Bum Kim, Youn H. Heo, Ju Ho Lee
  • Method and apparatus for transmitting and receiving control information to randomize inter-cell interference in a mobile communication system
    Patent number: 9288023
    Abstract: Methods and apparatuses are provided for transmitting and receiving information. A User Equipment (UE) receives information related to a cyclic shift value ? transmitted from a Node B. The UE obtains a reference sequence based on a Zadoff-Chu sequence and ej?. The UE transmits the reference sequence in a Single Carrier-Frequency Division Multiple Access (SC-FDMA) symbol to the Node B. The SC-FDMA symbol is predefined among a plurality of SC-FDMA symbols in a slot of a subframe.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: March 15, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Bum Kim, Joon-Young Cho, Ju-Ho Lee, Ying Yang Li, Yujian Zhang
  • Method and apparatus for allocating resources of a control channel in a mobile communication system using orthogonal frequency division multiplexing
    Patent number: 9282548
    Abstract: Methods and apparatuses are provided for wireless communication. Control symbols are mapped to a plurality of resource element groups (REGs) which is not assigned to a physical channel format indication channel (PCFICH) or a physical hybrid automatic repeat request indicator channel (PHICH). The mapped control symbols are transmitted on a packet dedicated control channel (PDCCH). A physical resource block (PRB) on a second orthogonal frequency division multiplexing (OFDM) symbol in a first slot in a subframe includes three REGs if one or two cell-specific reference signals are configured, and the PRB on the second OFDM symbol of the first slot in the subframe includes two REGs if four cell-specific reference signals are configured.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: March 8, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jin-Kyu Han, Ju-Ho Lee, Hwan-Joon Kwon, Young-Bum Kim, Byung-Sik Kim, Hyoung-Ju Ji
  • Method and apparatus for allocating resources of a control channel in a mobile communication system using orthogonal frequency division multiplexing
    Patent number: 9282547
    Abstract: Methods and apparatuses are provided for wireless communication. Control symbols are mapped to a plurality of resource element groups (REGs) which is not assigned to a physical channel format indication channel (PCFICH) or a physical hybrid automatic repeat request indicator channel (PHICH). The REGs are allocated based on a time first manner. The mapped control symbols are transmitted on a packet dedicated control channel (PDCCH). A number of a plurality of resource elements (REs) in each of the REGs depends on an index of an orthogonal frequency division multiplexing (OFDM) symbol and a number of configured reference signals.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: March 8, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jin-Kyu Han, Ju-Ho Lee, Hwan-Joon Kwon, Young-Bum Kim, Byung-Sik Kim, Hyoung-Ju Ji
  • TRANSMISSION OF HARQ CONTROL INFORMATION FROM A USER EQUIPMENT FOR DOWNLINK CARRIER AGGREGATION
    Publication number: 20160065349
    Abstract: Methods and apparatuses are provided for a user equipment (UE) to transmit at least two hybrid automatic repeat request-acknowledgement (HARQ-ACK) bits. At least one transport block is received on each of at least two configured cells. At least two HARQ-ACK bits are generated based on a number of the at least two configured cells and transmission modes for each of the at least two configured cells. The at least two HARQ-ACK bits are transmitted on a physical uplink control channel (PUCCH). A transmission mode supports one transport block or up to two transport blocks.
    Type: Application
    Filed: November 9, 2015
    Publication date: March 3, 2016
    Inventors: Aris PAPASAKELLARIOU, Young-Bum KIM
  • Method and apparatus for allocating resources of a control channel in a mobile communication system using orthogonal frequency division multiplexing
    Patent number: 9277544
    Abstract: Methods and apparatuses are provided for wireless communication. Control symbols are mapped to a plurality of resource element groups (REGs) which is not assigned to a physical channel format indication channel (PCFICH) or a physical hybrid automatic repeat request indicator channel (PHICH). The mapped control symbols are transmitted on a packet dedicated control channel (PDCCH). A number of a plurality of resource elements (REs) in each of the REGs depends on an index of an orthogonal frequency division multiplexing (OFDM) symbol and a number of configured reference signals. A number of the REGs in a physical resource block (PRB) on an OFDM symbol depends on the index of the OFDM symbol and the number of configured reference signals.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: March 1, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jin-Kyu Han, Ju-Ho Lee, Hwan-Joon Kwon, Young-Bum Kim, Byung-Sik Kim, Hyoung-Ju Ji
  • Method and apparatus for radio link control in cellular radio communication system supporting carrier aggregation
    Patent number: 9253738
    Abstract: The present invention relates to a method and apparatus for determining radio link failure between the UE and the eNB in a wireless communication system. Particularly, the present invention provides a method and apparatus for determining radio link failure efficiently in such a way that the UE measures the radio link quality of the anchor carrier, the radio link qualities of the aggregated carriers, and the radio link quality of neighbor cells in order, and determines whether the radio link quality fulfills a predetermined condition.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: February 2, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Bum Kim, Joon Young Cho, Ju Ho Lee, Jin Kyu Han
  • APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING THE HYBRID-ARQ ACK/NACK SIGNAL IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20160028517
    Abstract: An apparatus and method are provided for a mobile communication system. The method includes generating at least one symbol group to which an orthogonal sequence is applied; determining one of a first antenna set and a second antenna set for mapping the generated at least one symbol group based on the a symbol group index and a physical hybrid automatic repeat request indicator channel (PHICH) group index; mapping the generated at least one symbol group to the determined antenna set; and transmitting the mapped at least one symbol group.
    Type: Application
    Filed: October 8, 2015
    Publication date: January 28, 2016
    Inventors: Young-Bum KIM, Jin-Kyu HAN, Hwan-Joon KWON, Ju-Ho LEE, Jianzhong ZHANG
  • APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING THE HYBRID-ARQ ACK/NACK SIGNAL IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20160028510
    Abstract: An apparatus and method are provided for a mobile communication system. The method includes receiving a signal; determining location information of at least one symbol group; and acquiring the at least one symbol group, to which an orthogonal sequence is applied, from the signal, based on the location information. The at least one symbol group is mapped to one of a first antenna set and a second antenna set based on the a symbol group index and a physical hybrid automatic repeat request indicator channel (PHICH) group index.
    Type: Application
    Filed: October 8, 2015
    Publication date: January 28, 2016
    Inventors: Young-Bum KIM, Jin-Kyu HAN, Hwan-Joon KWON, Ju-Ho LEE, Jianzhong ZHANG
  • TRANSMISSION OF ACKNOWLEDGEMENT SIGNALS FROM A USER EQUIPMENT FOR ORTHOGONAL RECEPTION AT MULTIPLE POINTS
    Publication number: 20160028524
    Abstract: Methods and user equipment (UE) apparatuses are provided to transmit an acknowledgement/negative acknowledgement (ack/nack) signal. A method includes receiving configuration information through higher layer signaling; determining a first resource or a second resource based on the received configuration information; transmitting the ack/nack signal using a first sequence on the first resource, if the first resource is determined; and transmitting the ack/nack signal using a second sequence on the second resource, if the second resource is determined.
    Type: Application
    Filed: October 7, 2015
    Publication date: January 28, 2016
    Inventors: Aris Papasakellariou, Young-Bum Kim, Joon-Young Cho
  • APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING THE HYBRID-ARQ ACK/NACK SIGNAL IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20160028509
    Abstract: An apparatus and method are provided for a mobile communication system. The method includes generating a symbol group to which an orthogonal sequence is applied; determining one of a first orthogonal frequency division multiplexing (OFDM) symbol and a second OFDM symbol for mapping the generated symbol group based on a symbol group index and a physical hybrid automatic repeat request indicator channel (PHICH) group index; mapping the generated symbol group to the determined symbol; and transmitting the mapped symbol group.
    Type: Application
    Filed: October 8, 2015
    Publication date: January 28, 2016
    Inventors: Young-Bum KIM, Jin-Kyu HAN, Hwan-Joon KWON, Ju-Ho LEE, Jianzhong ZHANG
  • TRANSMISSION OF ACKNOWLEDGEMENT SIGNALS FROM A USER EQUIPMENT FOR ORTHOGONAL RECEPTION AT MULTIPLE POINTS
    Publication number: 20160028525
    Abstract: Methods and user equipment (UE) apparatuses are provided to transmit a control signal using a first sequence or a second sequence in response to a detected control channel. The method includes identifying, through higher layer signaling, a configuration; determining a resource for control signal transmission from a sum of a lowest control channel element (CCE) index of the detected control channel and either a first offset or a second offset based on the identified configuration; and transmitting the control signal in the resource using the first sequence or the second sequence.
    Type: Application
    Filed: October 7, 2015
    Publication date: January 28, 2016
    Inventors: Aris PAPASAKELLARIOU, Young-Bum KIM, Joon-Young CHO
  • Method and apparatus for transmitting and receiving control information to randomize inter-cell interference in a mobile communication system
    Patent number: 9246648
    Abstract: Methods and apparatuses are provided for transmitting and receiving information. A User Equipment (UE) receives information for a cyclic shift value and information for an orthogonal sequence transmitted from a Node B. The cyclic shift value is defined per Single Carrier-Frequency Division Multiple Access (SC-FDMA) symbol and the orthogonal sequence is defined per slot. The UE obtains a reference sequence based on the cyclic shift value and the orthogonal sequence. The UE transmits the reference sequence in a SC-FDMA symbol to the Node B. The SC-FDMA symbol is predefined among a plurality of SC-FDMA symbols in a slot of a subframe.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: January 26, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Young-Bum Kim, Joon-Young Cho, Ju-Ho Lee, Ying Yang Li, Yujian Zhang
  • Method and apparatus for transmitting and receiving control information to randomize inter-cell interference in a mobile communication system
    Patent number: 9246647
    Abstract: Methods and apparatuses are provided for transmitting and receiving information. A User Equipment (UE) obtains a sequence based on a Zadoff-Chu sequence and ej?, where a cyclic shift value ? is defined per Single Carrier-Frequency Division Multiple Access (SC-FDMA) symbol. The UE generates a signal by using information and the sequence. The UE transmits the signal in a SC-FDMA symbol to a Node B.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: January 26, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Young-Bum Kim, Joon-Young Cho, Juho Lee, Ying Yang Li, Yujian Zhang
  • TRANSMITTING UPLINK CONTROL INFORMATION OVER A DATA CHANNEL OR OVER A CONTROL CHANNEL
    Publication number: 20160021653
    Abstract: Methods and apparatus are described for User Equipment (UE) to concurrently transmit Uplink Control Information (UCI) and data information to a Node B. The Node B can configure the UE to transmit UCI together with data information in a Physical Uplink Shared CHannel (PUSCH) or separate from data information in a Physical Uplink Control CHannel (PUCCH). The UE may also determine whether to transmit UCI together with data information in the PUSCH or separate from data information in the PUCCH based on criteria involving a ratio of PUSCH resources for UCI transmission over the total PUSCH resources, a Modulation and Coding Scheme (MCS) for the data information, an absolute power difference between PUCCH and PUSCH transmissions, whether the PUSCH transmission uses frequency hopping, and/or whether spatial multiplexing is used for the data transmission.
    Type: Application
    Filed: September 30, 2015
    Publication date: January 21, 2016
    Inventors: Aris PAPASAKELLARIOU, Young-Bum KIM, Jianzhong ZHANG, Joon-Young CHO
  • MULTIPLEXING LARGE PAYLOADS OF CONTROL INFORMATION FROM USER EQUIPMENTS
    Publication number: 20160014767
    Abstract: An apparatus and method for transmitting Uplink Control Information (UCI) over a Physical Uplink Control CHannel (PUCCH) in a communication system. A method includes acquiring, by a user equipment (UE), from an evolved Node B (eNB), at least one physical resource block (PRB) information; generating, by the UE, UCI to be transmitted, the UCI being arranged in an order of an index of multiple cells; encoding, by the UE, the UCI; performing, by the UE, a Fourier transform (FT) operation on the encoded UCI; performing, by the UE, an inverse Fourier transform (IFT) operation on the Fourier transformed UCI; and transmitting, by the UE, the inverse Fourier transformed UCI based on a PUCCH format associated with the multiple cells and the at least one PRB information.
    Type: Application
    Filed: September 21, 2015
    Publication date: January 14, 2016
    Inventors: Aris PAPASAKELLARIOU, Young-Bum KIM
  • MULTIPLEXING LARGE PAYLOADS OF CONTROL INFORMATION FROM USER EQUIPMENTS
    Publication number: 20160014764
    Abstract: An apparatus and method for transmitting Uplink Control Information (UCI) over a Physical Uplink Control CHannel (PUCCH) in a communication system. A method includes acquiring, by a user equipment (UE), from an evolved Node B (eNB), information for a PUCCH format associated with multiple cells; generating, by the UE, UCI to be transmitted; encoding, by the UE, the UCI; performing, by the UE, a Fourier transform (FT) operation on the encoded UCI; performing, by the UE, an inverse Fourier transform (IFT) operation on the Fourier transformed UCI; and transmitting, by the UE, the inverse Fourier transformed UCI using the PUCCH format.
    Type: Application
    Filed: September 21, 2015
    Publication date: January 14, 2016
    Inventors: Aris PAPASAKELLARIOU, Young-Bum Kim
  • MULTIPLEXING LARGE PAYLOADS OF CONTROL INFORMATION FROM USER EQUIPMENTS
    Publication number: 20160014766
    Abstract: An apparatus and method for transmitting Uplink Control Information (UCI) over a Physical Uplink Control CHannel (PUCCH) in a communication system. A method includes acquiring, by a user equipment (UE), from an evolved Node B (eNB), at least one physical resource block (PRB) information; generating, by the UE, UCI to be transmitted; encoding, by the UE, the UCI; performing, by the UE, a Fourier transform (FT) operation on the encoded UCI; performing, by the UE, an inverse Fourier transform (IFT) operation on the Fourier transformed UCI; and transmitting, by the UE, the inverse Fourier transformed UCI based on a PUCCH format associated with multiple cells and the at least one PRB information.
    Type: Application
    Filed: September 21, 2015
    Publication date: January 14, 2016
    Inventors: Aris PAPASAKELLARIOU, Young-Bum KIM
  • MULTIPLEXING LARGE PAYLOADS OF CONTROL INFORMATION FROM USER EQUIPMENTS
    Publication number: 20160014770
    Abstract: An apparatus and method for transmitting Uplink Control Information (UCI) over a Physical Uplink Control CHannel (PUCCH) in a communication system. A method includes acquiring, by a user equipment (UE), from an evolved Node B (eNB), information for a PUCCH format associated with multiple cells; generating, by the UE, UCI to be transmitted, wherein the UCI being arranged in an order of an index of the multiple cells if the PUCCH format is used; modulating, by the UE, the UCI by using quadrature phase shift keying (QPSK); performing, by the UE, a Fourier transform (FT) operation on the modulated UCI; performing, by the UE, an inverse Fourier transform (IFT) operation on the Fourier transformed UCI; and transmitting, by the UE, the inverse Fourier transformed UCI using the PUCCH format based on the information for the PUCCH format.
    Type: Application
    Filed: September 21, 2015
    Publication date: January 14, 2016
    Inventors: Aris PAPASAKELLARIOU, Young-Bum KIM
  • MULTIPLEXING LARGE PAYLOADS OF CONTROL INFORMATION FROM USER EQUIPMENTS
    Publication number: 20160014769
    Abstract: An apparatus and method for transmitting Uplink Control Information (UCI) over a Physical Uplink Control CHannel (PUCCH) in a communication system. A method includes acquiring, by a UE, at least one PRB information for a first PUCCH format and a second PUCCH format; selecting, by the UE, one of the first PUCCH format and the second PUCCH format, wherein the second PUCCH format is selected, by the UE, for multiple cells from an eNB; generating, by the UE, UCI to be transmitted; encoding, by the UE, the UCI; performing, by the UE, an FT operation on the encoded UCI if the second PUCCH format is selected; performing, by the UE, an IFT operation on the encoded UCI or on the Fourier transformed UCI; and transmitting, by the UE, the inverse Fourier transformed UCI based on the selected PUCCH format and the at least one PRB information.
    Type: Application
    Filed: September 21, 2015
    Publication date: January 14, 2016
    Inventors: Aris PAPASAKELLARIOU, Young-Bum KIM