Patents by Inventor Wataru Ouchi

Wataru Ouchi 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).

  • Publication number: 20220132564
    Abstract: Communication is efficiently performed. A transmitter configured to transmit a random access preamble; a receiver configured to receive one or multiple MAC RARs corresponding to the random access preamble; and a MAC layer unit configured to perform a random access procedure are included. In a case that the random access procedure is not considered to be complete for an NR-Unlicensed (NR-U) cell, prior to transmission of the random access preamble, the transmitter performs a type 2 Channel Access Procedure (CAP) in a case that a value larger than a prescribed value is set to PREAMBLE_BACKOFF, and the transmitter performs a type 1 CAP in a case that a value smaller than the prescribed value is set to the PREAMBLE_BACKOFF.
    Type: Application
    Filed: March 4, 2020
    Publication date: April 28, 2022
    Inventors: WATARU OUCHI, TAEWOO LEE, DAIICHIRO NAKASHIMA, SHOICHI SUZUKI
  • Publication number: 20220132620
    Abstract: Methods for a terminal apparatus are disclosed, comprising: receiving a transmission band configuration, wherein the transmission band configuration is provided by an initial downlink bandwidth part (DL BWP) in case that at least one predetermined condition is satisfied, the transmission band configuration is provided by a dedicated radio resource control (RRC) message in case that the at least one predetermined condition is not satisfied, the predetermined condition includes a dedicated RRC parameter is not provided, the terminal apparatus is in idle mode, the terminal apparatus performs an initial connection, the terminal apparatus does not support at least one of one or more carrier bands based on a parameter in a common RRC message, the terminal apparatus supports a band of the initial DL BWP, and the terminal apparatus supports a band of a control resource set with an index equals to zero.
    Type: Application
    Filed: January 24, 2020
    Publication date: April 28, 2022
    Inventors: TOMOKI YOSHIMURA, SHOICHI SUZUKI, TOSHIZO NOGAMI, WATARU OUCHI, TAEWOO LEE, HUIFA LIN
  • Patent number: 11316653
    Abstract: A terminal apparatus is a terminal apparatus for communicating via a primary cell and a secondary cell, the terminal apparatus including: a receiver configured to receive an activation/deactivation MAC CE indicating activation of the secondary cell; and a medium access control layer processing unit configured to: activate a first downlink BWP in multiple downlink BWPs in a case that the activation/deactivation MAC CE is received and the secondary cell is not activated; and not to activate the first downlink BWP in a case that the activation/deactivation MAC CE is received, the secondary cell is activated, and a second downlink BWP of the secondary cell is activated. The first downlink BWP is different from the second downlink BWP.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: April 26, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Shoichi Suzuki, Wataru Ouchi, Tomoki Yoshimura, Liqing Liu, Taewoo Lee
  • Patent number: 11317435
    Abstract: A terminal apparatus includes a transmitter configured to transmit, in one uplink BWP of one serving cell, a first PUSCH corresponding to a configured uplink grant, and a receiver configured to receive, in one downlink BWP of the one serving cell, downlink control information to be used to schedule a second PUSCH on a PDCCH, in which, in a case that a duration of the first PUSCH overlaps a duration of the second PUSCH in the one uplink BWP, a first uplink symbol of the first PUSCH is expected to not be earlier than a first (next) uplink symbol at which a CP begins after a predetermined period of time after a last symbol of the PDCCH.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: April 26, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Shoichi Suzuki, Tomoki Yoshimura, Toshizo Nogami, Wataru Ouchi, Taewoo Lee, Huifa Lin
  • Publication number: 20220124762
    Abstract: A terminal apparatus includes a receiver configured to receive, in one downlink BWP of one serving cell, a first PDSCH corresponding to a configured downlink assignment, and a receiver configured to receive, in the one downlink BWP, downlink control information to be used to schedule a second PDSCH on a PDCCH, and, in the one downlink BWP, in a case that a duration of the first PDSCH corresponding to the configured downlink assignment overlaps a duration of the second PDSCH corresponding to the PDCCH, a first downlink symbol of the first PDSCH is expected to not be earlier than a first (next) downlink symbol at which a CP begins after a predetermined period of time after a last symbol of the PDCCH.
    Type: Application
    Filed: December 25, 2019
    Publication date: April 21, 2022
    Inventors: Shoichi SUZUKI, Tomoki YOSHIMURA, Toshizo NOGAMI, Wataru OUCHI, Taewoo LEE, Huifa LIN
  • Patent number: 11309989
    Abstract: A terminal apparatus includes a transmitter configured to transmit capability information of the terminal apparatus, and a receiver configured to perform blind detection of a PDCCH from a search space in a control resource set, wherein in a case that a capability of blind detection is supported, the blind detection detecting the PDCCH from search spaces in control resource sets the number of which is greater than a prescribed number in a prescribed duration, the transmitter transmits, as the capability information of the terminal apparatus, at least two of pieces of information including (a) a maximum number of blind detections that can be performed in the prescribed duration, (b) a maximum number of blind detections in a unit time, (c) a maximum number of blind detections based on configuration for the control resource set, and (d) a maximum number of the control resource sets for which blind detections can be simultaneously performed.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: April 19, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Wataru Ouchi, Shoichi Suzuki, Tomoki Yoshimura, Liqing Liu, Taewoo Lee, Daiichiro Nakashima
  • Patent number: 11310818
    Abstract: An apparatus includes: a transmitter configured to transmit a transport block and HARQ-ACK on PUSCH; and a physical layer processing unit configured to calculate a number of coded bits for the HARQ-ACK, at least based on a number of SC-FDMA symbols NPUSCH-initialsymb for PUSCH initial transmission for the transport block, and modulation order for the transport block, wherein the number of the SC-FDMA symbols NPUSCH-initialsymb is given at least based on NLBT and a number of SC-FDMA symbols NULsymb included in an uplink slot, and a value of NLBT is 1 in a case that a time continuous signal of a first SC-FDMA symbol included in the PUSCH is generated based on a content of a resource element corresponding to a second SC-FDMA symbol following the first SC-FDMA symbol.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: April 19, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Tomoki Yoshimura, Wataru Ouchi, Shoichi Suzuki, Liqing Liu, Kimihiko Imamura
  • Publication number: 20220104230
    Abstract: A terminal apparatus comprises a reception unit and a higher layer processing unit. When a carrier is set in an unlicensed band, the reception unit is configured to detect a first PDCCH in a first type 0 PDCCH common search space set and receive a first PDSCH scheduled by the first PDCCH. When the carrier is not set in the unlicensed band, the reception unit is configured to detect a second PDCCH in a second type 0 PDCCH common search space set and receive a second PDSCH scheduled by the second PDCCH. A higher layer processing unit is configured to manage common RRC signaling included in the first PDSCH or the second PDSCH. A time domain resource configuration of the first PDSCH is a first configuration, and a time domain resource configuration of the second PDSCH is a second configuration different from the first configuration.
    Type: Application
    Filed: January 8, 2020
    Publication date: March 31, 2022
    Inventors: TOMOKI YOSHIMURA, Daiichiro Nakashima, SHOICHI SUZUKI, TOSHIZO NOGAMI, WATARU OUCHI, TAEWOO LEE, HUIFA LIN
  • Patent number: 11290962
    Abstract: A terminal apparatus receives one transport block by using a PDSCH, receives RRC information indicating a maximum number X of CBGs, determines transmit power of a PUCCH, and transmits UCI at least including a HARQ-ACK corresponding to the one transport block on the PUCCH. The one transport block includes NCB code blocks. The HARQ-ACK includes the X HARQ-ACKs bits. In a case that a number of bits of the UCI does not exceed a prescribed number of bits, the transmit power of the PUCCH including the UCI is determined at least based on a smaller value of the X and the NCB. In a case that the number of bits of the UCI exceeds the prescribed number of bits, the transmit power of the PUCCH is determined at least based on the number of bits of the UCI.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: March 29, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Liqing Liu, Shoichi Suzuki, Wataru Ouchi, Tomoki Yoshimura, Taewoo Lee
  • Patent number: 11284247
    Abstract: A terminal apparatus includes: a receiver configured to receive first information related to query for capability of the terminal apparatus; and a transmitter configured to transmit second information related to the capability of the terminal apparatus, wherein the second information includes third information related to a band combination of operating bands used for carrier aggregation (CA), the band combination supported by the terminal apparatus, and in a case that more than one subcarrier spacings (SCSs) are supported by the terminal apparatus in each of the operating bands, the third information includes fourth information related to a SCS combination that can be applied to the band combination.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: March 22, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Wataru Ouchi, Shoichi Suzuki, Tomoki Yoshimura, Liqing Liu, Taewoo Lee
  • Patent number: 11283537
    Abstract: In order to perform efficient communications. An apparatus includes a reception unit configured to receive an uplink grant for a certain cell, and a transmission unit configured to perform an uplink transmission, based on reception of the uplink grant, wherein in a first case that (a) a duration from when receiving the uplink grant until when performing the uplink transmission is different between a first cell and a second cell, (b) the duration corresponding to the first cell is a first duration and the duration corresponding to the second cell is a second duration, and (c) an uplink transmission in the first duration collides with an uplink transmission in the second duration, the transmission unit sets a transmit power for the first cell and a transmit power for the second cell, based on values of the first duration and/or the second duration.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: March 22, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Wataru Ouchi, Tatsushi Aiba, Shoichi Suzuki, Takashi Hayashi, Kazunari Yokomakura
  • Publication number: 20220078769
    Abstract: It is possible to efficiently perform uplink transmission. A terminal apparatus includes: a receiver configured to receive a PDCCH, and receive a PDSCH scheduled based at least on a DCI format included in the PDCCH; and a transmitter configured to report (transmit) HARQ-ACK information corresponding to the PDSCH. A slot for transmitting the HARQ-ACK information is indicated based at least on a combination of a value indicated by a PDSCH-to-HARQ feedback timing indicator field included in the DCI format and a prescribed element. The prescribed element at least includes some or all of an element 1, an element 2, an element 3, an element 4, an element 5, an element 6, an element 7, and an element 8.
    Type: Application
    Filed: January 30, 2020
    Publication date: March 10, 2022
    Inventors: Huifa LIN, Shoichi SUZUKI, Daiichiro NAKASHIMA, Toshizo NOGAMI, Wataru OUCHI, Tomoki YOSHIMURA, Taewoo LEE
  • Patent number: 11259319
    Abstract: Transform precoding is applied to the complex value modulation symbol in a case that transform precoding is enabled for PUSCH, the prescribed modulation scheme is provided based at least on a first MCS table and an MCS field value included in the DCI format in a case that the DCI format includes a CRC scrambled by a TC-RNTI and the transform precoding is enabled for the PUSCH, and the prescribed modulation scheme is provided based on at least a second MCS table and/or the MCS field value in a case that the DCI format is a first uplink DCI format with the CRC scrambled by a C-RNTI, the transform precoding is enabled for the PUSCH, and a higher layer parameter MCS-Table-PUSCH-tp is set to a first value.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: February 22, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Tomoki Yoshimura, Shoichi Suzuki, Wataru Ouchi, Liqing Liu, Taewoo Lee
  • Publication number: 20220053525
    Abstract: Uplink transmission can be performed efficiently. A transmission unit that transmits performance information and/or a PUSCH of a terminal device is provided. CSI-Part2 that is multiplexed in the PUSCH is dropped until a code rate of the CSI-Part2 becomes equal to or less than a target code rate of the CSI-Part2, and the code rate of the CSI-Part2 is determined based on a calculation performance of decimal places supported in the performance information of the terminal device.
    Type: Application
    Filed: July 19, 2019
    Publication date: February 17, 2022
    Inventors: TAEWOO LEE, SHOICHI SUZUKI, WATARU OUCHI, TOMOKI YOSHIMURA, TOSHIZO NOGAMI, HUI-FA LIN
  • Publication number: 20220039131
    Abstract: It is possible to efficiently perform uplink transmission. A terminal apparatus includes a receiver configured to receive a PDCCH and receive a PDSCH scheduled based at least on the PDCCH, in which either a first generation method or a second generation method is selected as a method for generating a HARQ-ACK codebook, in the HARQ-ACK codebook, as the first generation method, a HARQ-ACK information bit is set to an NACK, the HARQ-ACK information bit corresponding to a PDSCH that is not associated with the HARQ-ACK codebook according to a HARQ-ACK timing based on the certain information, and the second generation method is different from the first generation method.
    Type: Application
    Filed: December 2, 2019
    Publication date: February 3, 2022
    Inventors: Huifa LIN, Shoichi SUZUKI, Daiichiro NAKASHIMA, Toshizo NOGAMI, Wataru OUCHI, Tomoki YOSHIMURA, Taewoo LEE
  • Patent number: 11239975
    Abstract: A terminal apparatus includes: a reception unit configured to: receive a PDCCH or an EPDCCH with a DCI format and a first RRC parameter, and decode a PDSCH according to detection of the PDCCH or the EPDCCH; and a transmission unit configured to: transmit a HARQ-ACK in a subframe n according to detection of the PDSCH in a subframe n?k. Whether the PUCCH resource is given at least based on the first RRC parameter is determined at least based on part of or all of the first condition and the second condition described below: first condition: the value k, and second condition: which one of CSS and USS is a search space to which a physical downlink control channel including the DCI format is mapped.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: February 1, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Liqing Liu, Shoichi Suzuki, Wataru Ouchi, Tomoki Yoshimura, Tatsushi Aiba
  • Patent number: 11228412
    Abstract: There are provided a terminal device, a base station device, and an integrated circuit that enable a base station device and a terminal device to determine parameters related to uplink signals or uplink reference signals and to perform efficient communication.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: January 18, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tatsushi Aiba, Shoichi Suzuki, Kimihiko Imamura, Wataru Ouchi, Kazunari Yokomakura
  • Publication number: 20220014337
    Abstract: A terminal apparatus and a method are provided. The terminal apparatus includes a receiver configured to receive at least a channel state information-reference signal (CSI-RS) in a bandwidth part (BWP), a measurer configured to measure and evaluate one or more values of a channel quality indicator (CQI) by using at least the CSI-RS, the CQI including a wideband CQI or a subband CQI, and to measure and update a value of the wideband CQI in a case that an indicator, corresponding to the BWP, indicates the wideband CQI, and at least one of a first condition and a second condition is not satisfied, and a transmitter configured to transmit a CSI report including the value of the wideband CQI.
    Type: Application
    Filed: November 1, 2019
    Publication date: January 13, 2022
    Inventors: WATARU OUCHI, TOSHIZO NOGAMI, Daiichiro Nakashima, SHOICHI SUZUKI, TOMOKI YOSHIMURA, TAEWOO LEE, HUIFA LIN
  • Patent number: 11224035
    Abstract: An apparatus includes: a receiver configured to receive a PDCCH including downlink control information; and a transmitter configured to transmit a sPUSCH, based at least on detection of the PDCCH. The sum of the number of symbols to which the sPUSCH is mapped and the number of SC-FDMA symbols to which a DMRS associated with the sPUSCH is mapped is 2 and/or 3. In a case that a CRC added to the downlink control information is scrambled with a C-RNTI, the index of the SC-FDMA symbol to which the DMRS associated with the sPUSCH is mapped is given based at least on the downlink control information. In a case that the CRC added to the downlink control information is scrambled with an SPS C-RNTI, the index of the symbol to which the DMRS associated with the sPUSCH is mapped is given based at least on higher layer signaling.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: January 11, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Tomoki Yoshimura, Shoichi Suzuki, Wataru Ouchi, Liqing Liu, Taewoo Lee
  • Publication number: 20220007356
    Abstract: Transmission in uplink and downlink can be efficiently performed. A terminal apparatus includes a processing unit configured to resolve overlapping of multiple PUCCH resources, and a transmitter configured to transmit a PUCCH as an output of the processing unit, wherein in a case that a first PUCCH resource overlaps a second PUCCH resource, the processing unit multiplexes first UCI included in the first PUCCH resource and second UCI included in the second PUCCH resource into a third PUCCH resource, and a first parameter NPUCCHrepeat for a first PUCCH format of the first PUCCH resource and a second parameter NPUCCHrepeat for a second PUCCH format of the second PUCCH resource are expected to be identical to a third parameter NPUCCHrepeat for a third PUCCH format of the third PUCCH resource.
    Type: Application
    Filed: November 1, 2019
    Publication date: January 6, 2022
    Inventors: TAEWOO LEE, SHOICHI SUZUKI, WATARU OUCHI, TOMOKI YOSHIMURA, TOSHIZO NOGAMI, HUIFA LIN