Patents by Inventor Shohei Yamada

Shohei Yamada 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).

  • TERMINAL APPARATUS, BASE STATION APPARATUS, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT
    Publication number: 20220312288
    Abstract: A terminal apparatus includes a receiver configured to receive a radio resource control (RRC) reconfiguration message from a base station apparatus, and a controller configured to configure a parameter based on the parameter included in the RRC reconfiguration message. The parameter includes at least identity information of a target cell and a configuration of a subcarrier spacing, and the configuration of the subcarrier spacing is configured for each of the target cells.
    Type: Application
    Filed: June 16, 2022
    Publication date: September 29, 2022
    Inventors: Hidekazu TSUBOI, Shohei YAMADA, Kazunari YOKOMAKURA, Hiroki TAKAHASHI
  • Terminal device, base station device, report transmission method performed by terminal device, and report reception method performed by base station device
    Patent number: 11438945
    Abstract: A terminal device, a base station device, a communication system, a measurement method, and an integrated circuit, which are capable of efficiently performing Sidelink Direct Discovery, are provided. In the terminal device, a reception unit is configured to receive an RRC connection reconfiguration message including a first configuration related to Sidelink Direct Discovery, and in a case where the first configuration includes frequency information, to attempt to acquire configuration information about monitoring of a Sidelink Direct Discovery announcement at a frequency indicated by the frequency information, using a timer configured to count a predetermined time and while the timer is counting, by acquiring system information to be broadcast at the frequency.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: September 6, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hidekazu Tsuboi, Katsunari Uemura, Shohei Yamada
  • Terminal apparatus, base station apparatus, and method
    Patent number: 11438806
    Abstract: To provide a technique related to a terminal apparatus, a method, and an integrated circuit for efficiently performing communication between a base station apparatus and the terminal apparatus by correctly managing QoS.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: September 6, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Takako Hori, Shohei Yamada, Hidekazu Tsuboi
  • TERMINAL APPARATUS, METHOD, AND INTEGRATED CIRCUIT
    Publication number: 20220279586
    Abstract: A terminal apparatus for communicating with a base station apparatus includes a receiver configured to receive an RRC message from the base station apparatus, and a processing unit configured to process the RRC message. A first value is a value included in the RRC message and applied to a first timer, and the processing unit changes timing to apply the first value to the first timer, based on whether the RRC message includes first information.
    Type: Application
    Filed: August 7, 2020
    Publication date: September 1, 2022
    Inventors: Hidekazu TSUBOI, Takako HORI, Shohei YAMADA
  • TERMINAL APPARATUS AND METHOD
    Publication number: 20220279380
    Abstract: A terminal apparatus for communicating with a base station apparatus, the terminal apparatus including: a receiver configured to receive, from the base station apparatus, an RRC message including an EHC configuration; and a processing unit. The processing unit configures an EHC protocol in accordance with the EHC configuration, and adds a context identifier to data in processing of the EHC protocol, and indicates, in a case that the context identifier is a particular value, that an Ethernet header of the data is uncompressed.
    Type: Application
    Filed: August 7, 2020
    Publication date: September 1, 2022
    Inventors: Takako HORI, Hidekazu TSUBOI, Shohei YAMADA
  • TERMINAL APPARATUS, BASE STATION APPARATUS, AND COMMUNICATION METHOD
    Publication number: 20220279551
    Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter, monitoring a physical downlink control channel (PDCCH) with a first DCI format, receiving a transport block (TB) in a physical downlink shared channel (PDSCH) scheduled by the PDCCH with the first DCI format, wherein the first RRC parameter contains one or more MCS entries, each entry provides a modulation order and a target code rate, determining a modulation order and a target code rate used for the TB in the PDSCH at least based on a modulation code scheme (MCS) field and one, a part, or all of a plurality of specified DCI fields other than the MCS field.
    Type: Application
    Filed: August 11, 2020
    Publication date: September 1, 2022
    Inventors: Liqing LIU, Shohei YAMADA, Masayuki HOSHINO, Hiroki TAKAHASHI
  • APPARATUS, METHOD, AND PROGRAM FOR ESTIMATING AMOUNT OF REFRIGERANT
    Publication number: 20220268503
    Abstract: A refrigerant amount determining device includes: an operation data acquiring unit configured to acquire operation data of an air conditioning system; a calculating unit configured to calculate a refrigerant amount index value from the operation data acquired; an inferring unit configured to infer information regarding correction of the refrigerant amount index value using a correction model and at least one of the acquired operation data or the calculated refrigerant amount index value; and a determining unit configured to determine a refrigerant amount of the air conditioning system based on the information regarding correction of the refrigerant amount index value.
    Type: Application
    Filed: July 29, 2020
    Publication date: August 25, 2022
    Inventors: Manabu YOSHIMI, Takeshi HIKAWA, Shinichi KASAHARA, Shohei YAMADA, Hiroyuki KAGITANI, Hidetaka KISHIMOTO
  • USER EQUIPMENT, BASE STATION APPARATUS, AND METHOD
    Publication number: 20220264341
    Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter to define how and where to search for PDCCH candidates for a DCI format, the first RRC parameter further includes a second RRC parameter and a third RRC parameter, the second RRC parameter indicates a first pair of DCI formats to be monitored in a UE-specific search space (USS) set, the third RRC parameter indicates a second pair of DCI formats to be monitored in a USS set, wherein the first pair of DCI formats can be configured to be monitored in a common search space (CSS) set as well, the second pair of DCI formats can not be configured to be monitored in a CSS set, and a pair of DCI formats includes a DCI format for downlink transmission and a DCI format for uplink transmission.
    Type: Application
    Filed: July 31, 2020
    Publication date: August 18, 2022
    Inventors: Liqing LIU, Shohei YAMADA, Masayuki HOSHINO, Hiroki TAKAHASHI
  • USER EQUIPMENT, BASE STATION, AND METHOD
    Publication number: 20220264555
    Abstract: A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter with a first information element structure to define how and where to search for PDCCH candidates of a search space set, receiving a second RRC parameter with a second information element structure to define how and where to search for PDCCH candidates of a search space set, and a search space set corresponds to two types of search space set, wherein the first information element structure is capable of indicating of which one of the two types the search space set is, the second information element structure is only capable of indicating one fixed type.
    Type: Application
    Filed: July 31, 2020
    Publication date: August 18, 2022
    Inventors: Liqing LIU, Shohei YAMADA, Masayuki HOSHINO, Hiroki TAKAHASHI
  • USER EQUIPMENT, BASE STATION, AND METHOD THEREOF
    Publication number: 20220264595
    Abstract: According to the present invention, a method performed by user equipment (UE) is provided, comprising: receiving dynamic uplink grant for a medium access control (MAC) entity; determining, for the received dynamic uplink grant, whether a first configuration condition is satisfied; and if the first configuration condition is satisfied, delivering the uplink dynamic grant to a hybrid automatic repeat request (HARD) entity.
    Type: Application
    Filed: June 23, 2020
    Publication date: August 18, 2022
    Inventors: FANGYING XIAO, RENMAO LIU, SHOHEI YAMADA
  • Terminal apparatus, base station apparatus, communication method, and integrated circuit
    Patent number: 11418941
    Abstract: A technique is provided that is related to a terminal apparatus, a base station apparatus, a communication method, and an integrated circuit which enable efficient communication. A terminal apparatus includes a receiver configured to receive, from a base station apparatus, a message requesting mobility history information, and a transmitter configured to notify the base station apparatus of the mobility history information, based on the message. The mobility history information includes a list including identifier information (first identifier information) of a cell of a first radio access technology, and a list including identifier information (second identifier information) of a cell of a second radio access technology. The mobility history information includes stay time information of a limited number of entries, each corresponding to a visit by the terminal apparatus in a cell and/or outside a network.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: August 16, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Hidekazu Tsuboi, Shohei Yamada, Takako Hori
  • TERMINAL APPARATUS, METHOD, AND INTEGRATED CIRCUIT
    Publication number: 20220256346
    Abstract: A terminal apparatus for communicating with a base station apparatus, the terminal apparatus including: a receiver configured to receive an RRC reconfiguration message from the base station apparatus; and a processing unit, wherein the processing unit establishes a PDCP entity in accordance with the RRC reconfiguration message, applies, to the PDCP entity, a first ciphering algorithm, a first ciphering key, a first integrity protection algorithm, and a first integrity protection key provided by an upper layer, and based on a first request made by the upper layer, applies, to the PDCP entity, a second ciphering algorithm, a second ciphering key, a second integrity protection algorithm, and a second integrity protection key provided by the upper layer.
    Type: Application
    Filed: July 17, 2020
    Publication date: August 11, 2022
    Inventors: Takako HORI, Hidekazu TSUBOI, Shohei YAMADA
  • SYSTEM INFORMATION REQUESTING METHOD, CORRESPONDING USER EQUIPMENT, AND COMPUTER-READABLE MEDIUM
    Publication number: 20220248472
    Abstract: A method for providing System Information (SI), the method including transmitting information about first associations between a plurality of preamble sequences and a plurality of pieces of SI, and about second associations between the pieces of SI and a plurality of system information blocks (SIBs); receiving a preamble from a user equipment (UE), the preamble including one of the preamble sequences; identifying one of the SIBs based on the one of the preamble sequences, the first associations, and the second associations, the one of the SIBs including one of the pieces of SI associated with the one of the preamble sequences; and transmitting the one of the SIBs to the UE.
    Type: Application
    Filed: April 21, 2022
    Publication date: August 4, 2022
    Applicants: Sharp Kabushiki Kaisha, FG Innovation Company Limited
    Inventors: Chongming ZHANG, Shohei YAMADA, Renmao LIU
  • Establishing packet data convergence protocol entity for dual connectivity
    Patent number: 11399400
    Abstract: A terminal apparatus for communicating with a base station apparatus receives an RRC connection reconfiguration request message including a Data Radio Bearer (DRB) configuration from the base station apparatus. The DRB configuration includes a DRB identity and a PDCP entity configuration corresponding to the DRB identity. PDCP entity configuration information includes one of a PDCP entity configuration for E-UTRA and a PDCP entity configuration for NR. A PDCP entity is established in accordance with the PDCP entity configuration information.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: July 26, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Takako Hori, Shohei Yamada, Hidekazu Tsuboi
  • Terminal apparatus, base station apparatus, communication method, and integrated circuit
    Patent number: 11395202
    Abstract: A terminal apparatus includes a receiver configured to receive a radio resource control (RRC) reconfiguration message from a base station apparatus, and a controller configured to configure a parameter based on the parameter included in the RRC reconfiguration message. The parameter includes at least identity information of a target cell and a configuration of a subcarrier spacing, and the configuration of the subcarrier spacing is configured for each of the target cells.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: July 19, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Hidekazu Tsuboi, Shohei Yamada, Kazunari Yokomakura, Hiroki Takahashi
  • Base station, user equipment, and related method
    Patent number: 11388626
    Abstract: The present disclosure provides a method in user equipment (UE), the UE operating in a carrier aggregation mode. The method comprises: receiving a Media Access Control (MAC) control element (CE) used for deactivating packet duplication; transmitting data from a Packet Data Convergence Protocol (PDCP) entity to a Radio Link Control (RLC) entity; and transmitting, at a MAC entity, the data only by a cell or cell group associated with the RLC entity in a packet duplication activated state, or by a cell or cell group selected from a set of cells or cell groups pre-configured for the UE.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: July 12, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Fangying Xiao, Shohei Yamada, Renmao Liu
  • RANDOM ACCESS METHOD AND USER EQUIPMENT
    Publication number: 20220217787
    Abstract: The present invention provides a random access method and user equipment. The random access method includes: user equipment (UE) transmitting a message A to a base station, wherein the message A includes a preamble and a payload of the message A; the user equipment (UE) receiving a message B transmitted by the base station and serving as a response message to the message A; determining whether the message B includes a contention resolution ID of the UE; and upon determining that the message B includes the contention resolution ID of the UE, generating a media access control layer control information (MAC CE), or a media access control layer protocol data unit (MAC PDU), or hybrid automatic repeat request acknowledgement (HARQ-ACK) information to indicate acknowledgement information related to the message B.
    Type: Application
    Filed: April 27, 2020
    Publication date: July 7, 2022
    Inventors: CHONGMING ZHANG, RENMAO LIU, CHAO LUO, SHOHEI YAMADA
  • Terminal apparatus, method, and integrated circuit
    Patent number: 11382165
    Abstract: A terminal apparatus for communicating with one or more base station apparatuses, the terminal apparatus including: a receiver configured to receive an RRC connection reconfiguration message including a DRB configuration from the one or more base station apparatuses; and a processing unit configured to release a PDCP entity, in a case that information indicating that a full configuration is applied is included in the RRC connection reconfiguration message, and that a value of an EPS bearer identity included in the DRB configuration is part of a current configuration of the terminal apparatus, and that the PDCP entity is configured on a DRB corresponding to the EPS bearer identity.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: July 5, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Takako Hori, Shohei Yamada, Hidekazu Tsuboi
  • Terminal apparatus, method, and integrated circuit
    Patent number: 11375563
    Abstract: A terminal apparatus for communicating with one or more base station apparatuses, the terminal apparatus including: a receiver configured to receive an RRC reconfiguration message including a DRB configuration from the one or more base station apparatuses, the DRB configuration including a DRB identity and an EPS bearer identity; and a processing unit configured to associate a DRB established with the EPS identity in a case that the DRB identity is not part of a current configuration of the terminal apparatus, the terminal apparatus is configured with EN-DC, and the DRB was configured for the EPS bearer identity before the RRC reconfiguration message is received.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: June 28, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Takako Hori, Shohei Yamada, Hidekazu Tsuboi
  • Terminal apparatus, base station apparatus, and communication method
    Patent number: 11375487
    Abstract: A terminal apparatus includes a medium access control layer processing unit configured to manage a HARQ process, and a physical layer processing unit configured to perform processing associated with a PUSCH transmission on a physical layer. A first HARQ process configured for the terminal apparatus determines whether or not to indicate to the physical layer processing unit to generate a transmission of the first HARQ process, based at least on whether or not the transmission of the first HARQ process and a transmission of a second HARQ process occur in the same transmission time. The transmission of the second HARQ process is scheduled so as to use short processing time.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: June 28, 2022
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Liqing Liu, Tomoki Yoshimura, Wataru Ouchi, Shoichi Suzuki, Shohei Yamada