Patents by Inventor Daisuke Murayama
Daisuke Murayama 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).
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Publication number: 20220150800Abstract: A user terminal includes a reception section that receives a synchronization signal block including a synchronization signal and a broadcast channel at a frequency to which channel sensing before transmission is applied and a control section that determines at least one of a configuration of a first signal including the synchronization signal block and a downlink control channel and a downlink shared channel which are quasi co-located (QCL) with the synchronization signal block and a configuration of a second signal including the first signal in a specific period based on the synchronization signal block. According to one aspect of the present disclosure, appropriate communication can be performed in an unlicensed band.Type: ApplicationFiled: March 12, 2019Publication date: May 12, 2022Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Murayama
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Publication number: 20220124805Abstract: To appropriately control transmission of a channel when listening is performed for each given band in a carrier. A transmission apparatus according to an aspect of the present disclosure includes: a control section that controls transmission of the channel in at least one of a plurality of contiguous bands provided in a carrier based on a result of listening for each band provided in the carrier.Type: ApplicationFiled: January 22, 2020Publication date: April 21, 2022Applicant: NTT DOCOMO, INC.Inventors: Daisuke MURAYAMA, Hiroki HARADA
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Patent number: 11304179Abstract: To perform communication properly in a radio communication system for supporting different numerology from the existing LTE system, provided are a reception section that receives a broadcast channel set for each predetermined frequency band, and a control section that controls reception of the broadcast channel in each frequency band, and in broadcast channels that respectively correspond to different frequency bands, at least one of a size, a resource amount and notification contents is set independently.Type: GrantFiled: February 2, 2018Date of Patent: April 12, 2022Assignee: NTT DOCOMO, INC.Inventors: Hiroki Harada, Kazuki Takeda, Daisuke Murayama, Satoshi Nagata
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Publication number: 20220095118Abstract: A user terminal includes: a receiving section that receives a synchronization signal block, receives a downlink control channel corresponding to the synchronization signal block, and receives a downlink shared channel corresponding to the synchronization signal block; and a control section that performs operation of at least one of interpretation of downlink control information indicating a time domain resource of the downlink shared channel in the downlink control channel, determination of a monitoring occasion of the downlink control channel, rate matching of the downlink shared channel, and determination of a transmission candidate resource of the synchronization signal block. Operation in a first carrier to which sensing is applied is different from operation in a second carrier to which sensing is not applied. According to an aspect of the present disclosure, appropriate communication can be performed in a carrier to which sensing of a channel is applied.Type: ApplicationFiled: January 9, 2019Publication date: March 24, 2022Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Murayama
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Publication number: 20220095253Abstract: A user terminal according to an aspect of the present disclosure includes a receiving section that receives information related to positions of synchronization signal blocks (SSBs) within a synchronization signal (SS) burst, and a control section that determines, based on the information related to the positions of the SSBs within the SS burst, a Quasi-Co-Location (QCL) assumption between SSB indices within a transmission window for a discovery reference signal in a carrier to which listening is applied. According to an aspect of the present disclosure, the PDCCH can be suitably monitored in the NR-U carrier.Type: ApplicationFiled: January 16, 2019Publication date: March 24, 2022Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Murayama
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Publication number: 20220078749Abstract: A terminal is disclosed including a receiver that receives a synchronization signal block comprising a broadcast channel comprising given information, provided by higher layer signaling, regarding a control resource set for a control channel; and a processor that determines an offset in a frequency direction with respect to a synchronization signal block including the broadcast channel and the control resource set, wherein the offset is based on the given information. In other aspects, a radio communication method, a base station, and a system are also disclosed.Type: ApplicationFiled: November 19, 2021Publication date: March 10, 2022Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Kazuki Takeda, Daisuke Murayama, Satoshi Nagata
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Publication number: 20220070679Abstract: This base station is provided with: a control unit that controls a setting related to the use, by a second wireless device, of a wireless resource assigned to a first wireless device; and a transmission unit that transmits information indicating the setting to the second wireless device.Type: ApplicationFiled: December 13, 2018Publication date: March 3, 2022Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Murayama, Satoshi Nagata
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Publication number: 20220021500Abstract: A user terminal includes: a receiving section that receives a synchronization signal block at a first frequency to which sensing of a channel before transmission is applied; and a control section that uses at least one of a downlink shared channel and a downlink control channel to receive system information at the first frequency, the downlink shared channel being mapped on at least one of a plurality of non-contiguous symbols and a specific band wider than a band of a control resource set 0 at a second frequency to which the sensing of the channel before the transmission is not applied, and the downlink control channel being mapped on a symbol of the synchronization signal block. According to one aspect of the present disclosure, it is possible to perform appropriate communication in an unlicensed band.Type: ApplicationFiled: February 14, 2019Publication date: January 20, 2022Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Murayama
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Publication number: 20210400725Abstract: In order to perform appropriate communication in an unlicensed band, a user terminal according to one aspect of the present disclosure includes a receiving section that receives at least one of a synchronization signal block and a reference signal for measurement in a given duration of a frequency domain to which listening is applied, and a control section that controls reception of a physical downlink channel based on a transmission candidate position of at least one of the synchronization signal block and the reference signal for measurement when the physical downlink channel is received in the given duration.Type: ApplicationFiled: November 9, 2018Publication date: December 23, 2021Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Murayama, Shohei Yoshioka
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Publication number: 20210392505Abstract: A user terminal includes a receiving section that receives a first synchronization signal block in a first carrier to which listening is applied and monitors a first downlink control channel for scheduling first system information based on the first synchronization signal block, and a control section that determines resources of the first downlink control channel using a determination method different from a determination method of resources of a second downlink control channel for scheduling second system information in a second carrier to which the listening is not applied. According to one aspect of the present disclosure, appropriate communication can be performed in a band to which listening is applied.Type: ApplicationFiled: November 9, 2018Publication date: December 16, 2021Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Murayama, Shohei Yoshioka, Daiki Takeda
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Publication number: 20210385850Abstract: A user terminal includes: a reception section that receives a downlink transmission based on listening; and a control section that detects at least one of at least one of a plurality of pieces of downlink control information and one downlink control information in the downlink transmission, the plurality of pieces of downlink control information being respectively used to schedule a plurality of uplink transmissions, and the one downlink control information being used to schedule the plurality of uplink transmissions. According to one aspect of the present disclosure, it is possible to perform appropriate communication in an unlicensed band.Type: ApplicationFiled: October 25, 2018Publication date: December 9, 2021Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Daisuke Murayama, Hiroki Harada, Satoshi Nagata
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Publication number: 20210322387Abstract: A pharmaceutical composition for modified release, comprising (1) (R)-2-(2-aminothiazol-4-yl)-4?-[2-[(2-hydroxy-2-phenylethyl)amino]ethyl]acetic acid anilide, or a pharmaceutically acceptable salt thereof, (2) at least one additive which ensures penetration of water into the pharmaceutical composition and which has a solubility such that the volume of water required for dissolving 1 g of the additive is 10 mL or less, and (3) a hydrogel-forming polymer having an average molecular weight of approximately 100,000 or more, or a viscosity of 12 mPa·s or more at a 5% aqueous solution at 25 C is disclosed.Type: ApplicationFiled: November 19, 2020Publication date: October 21, 2021Inventors: YUUKI TAKAISHI, YUTAKA TAKAHASHI, TAKASHI NISHIZATO, DAISUKE MURAYAMA, EMIKO MURAYAMA, SOICHIRO NAKAMURA, KAZUHIRO SAKO
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Publication number: 20210243788Abstract: A radio base station according to the present application includes a transmission section that transmits downlink control information, and a control section that controls scheduling of data, based on a relationship between an interfered apparatus and a destination apparatus. The interfered apparatus is an apparatus that is interfered with by transmission of the data scheduled in accordance with the downlink control information, and the destination apparatus is a destination of data from an interfering apparatus that interferes with a transmission apparatus of the scheduled data.Type: ApplicationFiled: May 10, 2018Publication date: August 5, 2021Applicant: NTT DOCOMO, INC.Inventors: Daisuke Murayama, Hiroki Harada, Kazuaki Takeda, Satoshi Nagata
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Publication number: 20210227549Abstract: A user terminal of the present invention includes a receiving section that receives system information including an index value indicating a first offset value that is a value based on a certain bandwidth or zero, and a control section that determines frequency resources for an uplink control channel, based on the first offset value, the frequency resources frequency-hopping in the certain bandwidth.Type: ApplicationFiled: May 11, 2018Publication date: July 22, 2021Applicant: NTT DOCOMO, INC.Inventors: Daisuke Murayama, Hiroki Harada, Kazuaki Takeda, Satoshi Nagata
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Publication number: 20210219343Abstract: A user terminal includes a transmitting section that transmits a random access preamble in a carrier for which listening before transmission is employed, and a control section that controls transmission of the random access preamble, based on configuration information different from certain configuration information to be used for at least one of random access in a case of not supporting communication in the carrier and random access in a carrier for which listening before transmission is not employed.Type: ApplicationFiled: May 11, 2018Publication date: July 15, 2021Applicant: NTT DOCOMO, INC.Inventors: Daisuke Murayama, Hiroki Harada, Kazuaki Takeda, Satoshi Nagata
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Publication number: 20210165853Abstract: A temporal change in measurement value is clearly presented to a user. In a display data generating device, an acquisition unit sequentially acquires measurement data, and a display data generating unit generates a plurality of two-dimensional graphs corresponding to a plurality of respective points in time, based on the acquired measurement data, and generates display data by arranging, along a time series axis, the plurality of two-dimensional graphs shifted by a width according to a time difference between points in time corresponding to adjacent two-dimensional graphs.Type: ApplicationFiled: July 22, 2019Publication date: June 3, 2021Inventors: DAISUKE MURAYAMA, KEI TOKUI
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Publication number: 20210168822Abstract: A user terminal includes: a receiving section that receives at least one of a transmission request signal and a receivable signal according to a second radio communication standard in a carrier that applies listening to transmission of a first radio communication standard; and a control section that controls the listening based on a time parameter indicated in at least one of the transmission request signal and the receivable signal. According to an aspect of the present disclosure, it is possible to improve a collision avoidance rate of data transmitted according to a listening result.Type: ApplicationFiled: April 18, 2019Publication date: June 3, 2021Applicant: NTT DOCOMO, INC.Inventors: Daisuke Murayama, Hiroki Harada, Kazuaki Takeda, Satoshi Nagata
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Publication number: 20210085654Abstract: A pharmaceutical composition for modified release comprising (R)-2-(2-aminothiazol-4-yl)-4?-[2-[(2-hydroxy-2-phenylethyl)amino]ethyl]acetic acid anilide or a pharmaceutically acceptable salt thereof, and a carrier for a sustained release pharmaceutical composition, wherein a maximum blood drug concentration (Cmax) when administered in a fasted state is 400 ng/mL or less, is disclosed.Type: ApplicationFiled: December 8, 2020Publication date: March 25, 2021Inventors: YUUKI TAKAISHI, SOICHIRO NAKAMURA, YUTAKA TAKAHASHI, TAKASHI NISHIZATO, DAISUKE MURAYAMA, EMIKO MURAYAMA, KAZUHIRO SAKO
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Publication number: 20210037571Abstract: To improve an avoidance rate of collision of data transmitted according to a listening result, a user terminal includes: a reception section that, when an idle state is detected by listening in a radio base station, receives a transmission request signal addressed to each of one or more user terminals from the radio base station; a transmission section that transmits a response signal for the transmission request signal; and a control section that controls reception of downlink data that is multiplexed and transmitted from the radio base station within a given duration after the listening in response to the response signal.Type: ApplicationFiled: March 29, 2018Publication date: February 4, 2021Applicant: NTT DOCOMO, INC.Inventors: Daisuke Murayama, Hiroki Harada, Kazuaki Takeda, Satoshi Nagata
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Publication number: 20210029552Abstract: A reception apparatus includes: a receiving section that receives a plurality of request signals that have been transmitted by respectively using a plurality of precoding based on a listening result of a first frequency range; a transmitting section that transmits a response signal that is based on received quality of the plurality of request signals; and a control section that controls reception of data transmitted in the first frequency range by using precoding determined based on the response signal among the plurality of precoding.Type: ApplicationFiled: March 29, 2018Publication date: January 28, 2021Applicant: NTT DOCOMO, INC.Inventors: Daisuke Murayama, Hiroki Harada, Kazuaki Takeda, Satoshi Nagata