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: 20230043604
    Abstract: A terminal apparatus transmits a PUCCH in a certain slot, and receives multiple DCI formats on a set of PDCCH monitoring occasions corresponding to the certain slot. In a case that multiple PUCCHs exist in the certain slot and that the multiple PUCCHs include a first PUCCH including a first type HARQ-ACK codebook and a second PUCCH including a second type HARQ-ACK codebook, the second PUCCH is not transmitted.
    Type: Application
    Filed: January 27, 2021
    Publication date: February 9, 2023
    Inventors: Taewoo LEE, Wataru OUCHI, Toshizo NOGAMI, Shoichi SUZUKI, Tomoki YOSHIMURA, Huifa LIN, Daiichiro NAKASHIMA
  • Publication number: 20230031134
    Abstract: A terminal apparatus includes: a reception unit configured to receive indication of a first PDSCH group index in a first DCI format, and receive indication of a second PDSCH group index in a second DCI format; and a transmission unit configured to, in a case that the first DCI format is detected, transmit HARQ-ACK information of the second PDSCH group index, the HARQ-ACK information being determined based at least on a parameter M. A value of a first NFI of the second PDSCH group index is indicated by a first NFI field in the second DCI format. A value of a second NFI of the second PDSCH group index is indicated by a second NFI field in the first DCI format. In a case that the value of the second NFI is not null and the value of the second NFI is different from the value of the first NFI, a value of the parameter M is set to zero.
    Type: Application
    Filed: December 23, 2020
    Publication date: February 2, 2023
    Inventors: Huifa LIN, Shoichi SUZUKI, Daiichiro NAKASHIMA, Toshizo NOGAMI, Wataru OUCHI, Tomoki YOSHIMURA, Taewoo LEE
  • Publication number: 20230008100
    Abstract: The DCI format at least indicates a set of interlaces if the DCI format indicates a set of RB-sets, resource blocks for the PUSCH are given based on an intersection of the set of the interlaces and the set of the RB-sets, and if the DCI format doesn't indicate the set of the RB-sets, the resource blocks for the PUSCH are given based on an intersection of the set of the interlaces and a pre-determined set of RB-sets where the pre-determined set includes one RB-set which corresponds to one downlink RB set in which the DCI format is received.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 12, 2023
    Inventors: Tomoki YOSHIMURA, Shoichi SUZUKI, Daiichiro NAKASHIMA, Huifa LIN, Toshizo NOGAMI, Wataru OUCHI, Taewoo LEE
  • Publication number: 20220386351
    Abstract: Provided are a channel generation unit configured to generate a time domain signal of a PUCCH mapped from an X-th OFDM symbol to an (X+L)-th OFDM symbol in a slot, and a transmitter configured to transmit the PUCCH. In a case that the time domain signal of the X-th OFDM symbol is generated based at least on contents of resource elements included in an (X+1)-th OFDM symbol, a set of OFDM symbols to which a DMRS of the PUCCH is mapped is given based at least on an assumption that the number of OFDM symbols of the PUCCH is L.
    Type: Application
    Filed: October 2, 2020
    Publication date: December 1, 2022
    Inventors: TOMOKI YOSHIMURA, SHOICHI SUZUKI, TOSHIZO NOGAMI, HUIFA LIN, WATARU OUCHI, DAIICHIRO NAKASHIMA, TAEWOO LEE
  • Publication number: 20220377791
    Abstract: A UE which communicates with a base station is described. The UE may comprise receiving circuitry configured to monitor a PDCCH with a DCI format; transmitting circuitry configured to transmit a PUSCH subject to a channel access procedure, a starting position of initial symbol for PUSCH being adjusted by x; wherein the DCI format includes a 4-bit information field, the 4-bit information is characterized by at least one or more of following values.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 24, 2022
    Inventors: Toshizo NOGAMI, Shoichi SUZUKI, Tomoki YOSHIMURA, Huifa LIN, Daiichiro NAKASHIMA, Wataru OUCHI, Taewoo LEE
  • Publication number: 20220369350
    Abstract: A receiver receives one or multiple first DCI formats, one or multiple second DCI formats, and a third DCI format. The third DCI format does not include a PDSCH group indication field. A PDSCH scheduled by the third DCI format is included in a first PDSCH group. A transmitter transmits a first HARQ-ACK codebook for the first PDSCH group, and/or a second HARQ-ACK codebook for the second PDSCH group. The third DCI format schedules a PDSCH. In a case that the third DCI format is detected, the transmitter transmits an HARQ-ACK bit corresponding to the PDSCH scheduled by the third DCI format.
    Type: Application
    Filed: July 1, 2020
    Publication date: November 17, 2022
    Inventors: Tomoki YOSHIMURA, Huifa LIN, Shoichi SUZUKI, Toshizo NOGAMI, Daiichiro NAKASHIMA, Wataru OUCHI, Taewoo LEE
  • Publication number: 20220368464
    Abstract: For a terminal apparatus, based on a value of a PGI field included in a DCI format for scheduling a PDSCH, a PDSCH group to which the PDSCH belongs is indicated. In a case that an RPGI field included in the DCI format is set to a first RPGI value, inclusion of a PDSCH group to which the PDSCH belongs in a requested PDSCH group is indicated. In a case that the RPGI field included in the DCI format is set to a second RPGI value, inclusion of a PDSCH group to which the PDSCH belongs and another PDSCH group other than the PDSCH group in the requested PDSCH group is indicated. Transmission of HARQ-ACK information is included, the HARQ-ACK information corresponding to a transport block of the PDSCH belonging to a PDSCH group included in the requested PDSCH group.
    Type: Application
    Filed: July 1, 2020
    Publication date: November 17, 2022
    Inventors: Huifa LIN, Shoichi SUZUKI, Daiichiro NAKASHIMA, Toshizo NOGAMI, Wataru OUCHI, Tomoki YOSHIMURA, Taewoo LEE
  • Publication number: 20220360407
    Abstract: A terminal apparatus includes a processing circuitry configured to determine one or multiple first indexes of one or multiple physical resource blocks (PRBs) to which a physical uplink control channel (PUCCH) is mapped, and a transmitting circuitry configured to transmit the PUCCH in a bandwidth part (BWP). In a case that the PUCCH is transmitted using an interlace, the one or multiple first indexes are determined based on a resource block (RB) used for the interlace, the number of interlaces, and the number of the one or multiple PRBs from zero to a starting PRB of the BWP in a common resource block (CRB) index.
    Type: Application
    Filed: September 29, 2020
    Publication date: November 10, 2022
    Inventors: TAEWOO LEE, WATARU OUCHI, TOSHIZO NOGAMI, SHOICHI SUZUKI, TOMOKI YOSHIMURA, HUIFA LIN, DAIICHIRO NAKASHIMA
  • Publication number: 20220353889
    Abstract: A terminal apparatus includes: a receiver configured to receive a DCI format and a PDSCH scheduled by the DCI format; and a transmitter configured to transmit HARQ-ACK information. A first PDSCH group of the scheduled PDSCH is indicated by a PDSCH group index field in the DCI format. The HARQ-ACK information is generated based at least on a T-DAI for a second PDSCH group different from the first PDSCH group. A bitwidth of information bits in the DCI format indicating the T-DAI is 2 regardless of the number of serving cells configured.
    Type: Application
    Filed: September 29, 2020
    Publication date: November 3, 2022
    Inventors: Huifa LIN, Shoichi SUZUKI, Daiichiro NAKASHIMA, Toshizo NOGAMI, Wataru OUCHI, Tomoki YOSHIMURA, Taewoo LEE
  • Publication number: 20220353900
    Abstract: The PUSCH is scheduled by a random-access response grant included in the random-access response, ML interlaces are configured for the active UL BWP, ILth interlace in the ML interlaces includes a set of resource blocks with index IVRB each of which satisfies relationship lL=mod(IVRB+Nstart,uBWP,i, ML), the Nstart,uBWP,i is a starting common resource block of the active UL BWP with index i, resource block assignment information in the random-access response grant indicates one or more interlaces from the ML interlaces, a first resource blocks assigned for the PUSCH in a case that the active UL BWP is different from an initial UL BWP are resource blocks in the one or more interlaces in the initial UL BWP, and a second resource blocks assigned for the PUSCH in a case that the active UL BWP is the initial UL BWP are same as the first resource blocks.
    Type: Application
    Filed: August 7, 2020
    Publication date: November 3, 2022
    Inventors: Tomoki YOSHIMURA, Shoichi SUZUKI, Toshizo NOGAMI, Huifa LIN, Daiichiro NAKASHIMA, Wataru OUCHI, Taewoo LEE
  • Publication number: 20220353894
    Abstract: A method for a user equipment (UE) which communicates with a base station in a serving cell is described. The method may comprise acquiring first radio resource control (RRC) information and second RRC information. The first RRC information may indicate one or more slot format combinations. The second RRC information may indicate periodic channel state information (CSI) reporting. The method may also comprise performing a first physical downlink control channel (PDCCH) monitoring if the first RRC information is provided. The first PDCCH monitoring may be monitoring of a first PDCCH with a first downlink control information (DCI) format. The method may further comprise performing the periodic CSI reporting on a physical uplink control channel according to the third RRC information.
    Type: Application
    Filed: October 2, 2020
    Publication date: November 3, 2022
    Inventors: TOSHIZO NOGAMI, WATARU OUCHI, TAEWOO LEE, SHOICHI SUZUKI, DAIICHIRO NAKASHIMA, TOMOKI YOSHIMURA, HUIFA LIN
  • Patent number: 11483826
    Abstract: A terminal apparatus includes: a monitor unit configured to monitor a first PDCCH candidate with aggregation level 8 and a second PDCCH candidate with aggregation level 16 in a CORESET mapped to one OFDM symbol; and a receiver configured to receive a PDSCH, by assuming that a symbol of the PDSCH is mapped to a resource element that is not overlapping the second PDCCH candidate, based on a PDCCH detected in the first PDCCH candidate, the PDCCH scheduling the PDSCH, wherein a CCE that constitutes the first PDCCH candidate and has a lowest index is identical to a CCE that constitutes the second PDCCH candidate and has a lowest index, and a plurality of the CCEs constituting the CORESET each include six contiguous REGs in a frequency domain.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: October 25, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Shoichi Suzuki, Tomoki Yoshimura, Taewoo Lee, Wataru Ouchi, Liqing Liu
  • Publication number: 20220322390
    Abstract: A user equipment (UE) is described. The UE may comprise high-layer processing circuitry configured to acquire a first RRC parameter and transmission circuitry configured to transmit a PUSCH in multiple slots. If the first RRC parameter is set to a first value, conditions in a slot format procedure may not be used for determination of the multiple slots. If the first RRC parameter is set to a second value, the conditions in the slot format procedure may be used for the determination of the multiple slots.
    Type: Application
    Filed: March 10, 2022
    Publication date: October 6, 2022
    Inventors: TOSHIZO NOGAMI, TOMOKI YOSHIMURA, HUIFA LIN, WATARU OUCHI, Takahisa FUKUI, SHOICHI SUZUKI, DAIICHIRO NAKASHIMA
  • Patent number: 11457380
    Abstract: A terminal apparatus including a coding unit configured to code a payload of uplink control information (UCI) and to perform rate matching of coded bits of the payload and a transmitter configured to transmit the UCI, wherein the payload includes part or all of hybrid automatic repeat request-acknowledgement (HARQ-ACK) information, a scheduling request, and channel state information (CSI), a length EUCI of an output sequence of the rate matching is given based on a first number OCRC of cyclic redundancy check (CRC) bits, the first number OCRC of CRC bits is given based on a size of the payload, and a size of second CRC bits added to the payload is given based on the size of the payload and the length EUCI of the output sequence of the rate matching.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: September 27, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Taewoo Lee, Shoichi Suzuki, Wataru Ouchi, Tomoki Yoshimura, Liqing Liu
  • Patent number: 11456842
    Abstract: A terminal apparatus receives a message including configuration information of a set of downlink bandwidth parts (BWPs) for a primary cell; and deactivates a downlink MVP of the downlink BWPs, the downlink BWP being activated in the primary cell and activates any one of the downlink BWPs in the set of the downlink BWPs for the primary cell, wherein the deactivation and the activation are based on information, included in the message, for indicating the downlink BWP to be activated.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: September 27, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Shoichi Suzuki, Wataru Ouchi, Tomoki Yoshimura, Liqing Liu, Taewoo Lee
  • Publication number: 20220304064
    Abstract: A terminal apparatus includes: a receiver configured to receive an SS/PBCH block in an SS/PBCH block candidate; and a transmitter configured to transmit one random access preamble selected in a PRACH occasion. The terminal apparatus determines the PRACH occasion, based on a relationship between qSSB and the PRACH occasion. The qSSB is given by one of a remainder obtained by dividing tSSB by QSSB or a remainder obtained by dividing dSSB by QSSB. The tSSB is a timing index of the SS/PBCH block candidate. The dSSB indicates an index of a DMRS for a PBCH in the SS/PBCH block. The QSSB indicates a number included in an MIB in the PBCH.
    Type: Application
    Filed: April 23, 2020
    Publication date: September 22, 2022
    Inventors: Tomoki YOSHIMURA, Shoichi SUZUKI, Toshizo NOGAMI, Huifa LIN, Wataru OUCHI, Daiichiro NAKASHIMA, Taewoo LEE
  • Patent number: 11445532
    Abstract: A terminal apparatus includes a receiver configured to receive a physical downlink shared channel and a transmitter configured to multiplex first channel state information having a higher priority than second channel state information with the second channel state information and an HARQ-ACK and to transmit the first channel state information, the second channel state information and the HARQ-ACK multiplexed, by using a physical uplink control channel resource.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: September 13, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Tomoki Yoshimura, Shoichi Suzuki, Wataru Ouchi, Taewoo Lee, Huifa Lin, Toshizo Nogami
  • Patent number: 11445530
    Abstract: A terminal apparatus includes a coding unit configured to map coded bits for an uplink shared channel (UL-SCH) and a first sequence to a set of elements, and a transmitter configured to transmit a physical uplink shared channel (PUSCH), wherein each of the elements is identified by a subcarrier index of the PUSCH and an OFDM symbol index of the PUSCH, and whether the first sequence is mapped without using a prescribed set of elements is given based on at least the number of hybrid automatic repeat request HARQ-ACK bits mapped to the PUSCH.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: September 13, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Tomoki Yoshimura, Shoichi Suzuki, Wataru Ouchi, Liqing Liu, Taewoo Lee
  • Publication number: 20220286983
    Abstract: Detection circuitry configured to detect a SS/PBCH block with time index Y, the time index Y being ascending order in time domain for SS/PBCH block candidates in a half radio frame, beam index Z being determined by remainder of the time index Y divided by a Q, or given by remainder of a DMRS index for a PBCH in the SS/PBCH block divided by the Q, the Q being indicated by a MIB, reception circuitry configured to monitor at least the type-0 PDCCH common search space set which corresponds to SS/PBCH block index Z+j*Q, the j is any non-negative integer to satisfy Z+j*Q is smaller than a number of usable SS/PBCH block candidates in a half radio frame indicated by system information.
    Type: Application
    Filed: July 22, 2020
    Publication date: September 8, 2022
    Inventors: Tomoki YOSHIMURA, Shoichi SUZUKI, Toshizo NOGAMI, Huifa LIN, Daiichiro NAKASHIMA, Wataru OUCHI
  • Patent number: 11438929
    Abstract: To make a mobile station apparatus efficiently generate a base sequence. In a mobile station apparatus that generates a sequence for a demodulation reference signal on the basis of at least a sequence group number and transmits to a base station apparatus the demodulation reference signal together with a physical uplink shared channel used for transmission of a transport block, the mobile station apparatus receives information indicating a value of a parameter relating to the sequence from the base station apparatus, and determines the sequence group number without using the value of the parameter in a case where the mobile station apparatus performs transmission of the transport block on the physical uplink shared channel as part of a contention based random access procedure.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: September 6, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shoichi Suzuki, Kimihiko Imamura, Tatsushi Aiba, Wataru Ouchi