Patents by Inventor Masaya Okamura
Masaya Okamura 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: 20240147429Abstract: A communication device includes: a receiving unit configured to receive a preamble in resources that are selected autonomously by another communication device; and a control unit configured to acquire, based on the preamble, information for receiving a control signal from the another communication device, and, in this communication device, the receiving unit receives the control signal from the another communication device based on the information.Type: ApplicationFiled: March 12, 2021Publication date: May 2, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
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Publication number: 20240147388Abstract: A communication device has: a receiving unit configured to receive information from another communication device; a control unit configured to determine transmission power based on the information; and a transmitting unit configured to transmit a signal, by applying the transmission power to the signal, in autonomously selected resources, to the another communication device.Type: ApplicationFiled: March 12, 2021Publication date: May 2, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
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Publication number: 20240137157Abstract: A communication device includes: a reception unit configured to receive a plurality of data items in a resource autonomously selected by another communication device; a control unit configured to multiplex feedback information corresponding to each of the plurality of data items; and a transmission unit configured to transmit the multiplexed feedback information to the another communication device. The control unit determines which feedback information corresponding to each of the plurality of data items is to be multiplexed and multiplexes the feedback information corresponding to each of the plurality of data items, or the control unit multiplexes the feedback information corresponding to each of the plurality of data items, based on information related to multiplexing of the feedback information corresponding to each of the plurality of data items received by the reception unit from the another communication device.Type: ApplicationFiled: March 2, 2021Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
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Publication number: 20240137156Abstract: A communication device includes: a control unit configured to autonomously determine a first resource to be used for transmission; a transmission unit configured to transmit data to another communication device by using the first resource; and a reception unit configured to receive feedback information corresponding to the data by using a second resource that is autonomously or heteronomously determined by the another communication device.Type: ApplicationFiled: March 2, 2021Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
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Publication number: 20240137922Abstract: A communication device has: a control unit configured to autonomously select resources for use for transmission; and a transmitting unit configured to transmit a data signal in the selected resources, and information that indicates the selected resources, to another communication device.Type: ApplicationFiled: March 12, 2021Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
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Publication number: 20240137172Abstract: A communication device includes: a control unit configured to determine an antenna port to apply to a data signal; and a transmitting unit configured to transmit, to another communication device, information that indicates the determined antenna port, and the data signal that is transmitted, in autonomously selected resources, by using the determined antenna port.Type: ApplicationFiled: March 12, 2021Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
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Publication number: 20240129088Abstract: A communication apparatus includes a transmitting unit configured to transmit, to another communication apparatus, a signal requesting transmission of SRS (Sounding reference signal) in a resource autonomously selected; a receiving unit configured to receive the SRS from the another communication apparatus; and a control unit configured to perform measurement by using the SRS.Type: ApplicationFiled: March 5, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
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Publication number: 20240129777Abstract: A communication apparatus includes a receiving unit configured to receive, from another communication apparatus, a signal requesting a CSI (Channel State Information) report and a CSI reference signal, in a resource autonomously selected by the another communication apparatus; a control unit configured to perform measurement by using the CSI reference signal; and a transmitting unit configured to transmit, to the another communication apparatus, a CSI report based on a result of the measurement.Type: ApplicationFiled: March 5, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
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Publication number: 20240129065Abstract: A communication device has: a control unit configured to determine a coding-related parameter to apply to a data signal; and a transmitting unit configured to transmit the determined coding-related parameter, and the data signal to which the coding-related parameter is applied, in autonomously selected resources, to another communication device.Type: ApplicationFiled: March 12, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
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Publication number: 20240121815Abstract: A communication device includes: a control unit configured to determine a priority to apply to a data signal; and a transmitting unit configured to transmit information that indicates the determined priority, and the data signal to which the determined priority is applied, in autonomously selected resources, to another communication device.Type: ApplicationFiled: March 12, 2021Publication date: April 11, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
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Publication number: 20240121818Abstract: A communication device includes: a control unit configured to autonomously determine a resource to be used for transmission; a reception unit configured to execute an LBT (Listen before talk) before transmitting a signal by using the resource; and a transmission unit configured to transmit the signal to another communication device by using the resource in a case where the reception unit succeeds in the LBT, wherein the transmission unit determines transmission beamforming to be applied upon transmitting the signal, based on reception beamforming applied to the LBT by the reception unit.Type: ApplicationFiled: March 4, 2021Publication date: April 11, 2024Applicant: NTT DOCOMO, INC.Inventors: Shinya Kumagai, Mayuko Okano, Yuki Takahashi, Masaya Okamura, Shohei Yoshioka, Satoshi Nagata
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Publication number: 20240113801Abstract: A communication device has: a receiving unit configured to receive information from another communication device; a control unit configured to determine an MCS (Modulation and Coding Scheme) based on the information; and a transmitting unit configured to transmit a signal, to which the MCS is applied, in autonomously selected resources, to the another communication device.Type: ApplicationFiled: March 12, 2021Publication date: April 4, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shinya Kumagai, Shohei Yoshioka, Masaya Okamura, Mayuko Okano, Satoshi Nagata
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Publication number: 20240098787Abstract: A transmission node includes: a reception unit configured to execute an LBT (Listen before talk) in a time interval immediately before transmitting a signal; a transmission unit configured to transmit a signal in a case where reception power is less than a threshold value in the time interval; and a control unit configured to, in a case where multiple signals are to be transmitted, change control related to the LBT for a signal to be transmitted for a first time and change control related to the LBT for a signal to be transmitted other than for the first time.Type: ApplicationFiled: February 22, 2021Publication date: March 21, 2024Applicant: NTT DOCOMO, INC.Inventors: Shinya Kumagai, Masaya Okamura, Mayuko Okano, Yuki Takahashi, Shohei Yoshioka, Satoshi Nagata
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Publication number: 20240090012Abstract: A terminal comprises: a reception unit that receives a reference signal used for a purpose other than a measurement related to a radio resource management; and a control unit that performs the measurement related to the radio resource management using the reference signal.Type: ApplicationFiled: January 26, 2021Publication date: March 14, 2024Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Kurita, Mayuko Okano, Satoshi Nagata, Masaya Okamura, Tomoya Ohara
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Publication number: 20240089775Abstract: A terminal including: a reception unit that receives a reference signal periodically transmitted from a network; a transmission unit that transmits a measurement result of the reference signal; and a control unit that determines whether or not to assume a reception of at least a part of the reference signal based on whether or not a specific condition is satisfied.Type: ApplicationFiled: January 26, 2021Publication date: March 14, 2024Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Kurita, Mayuko Okano, Satoshi Nagata, Masaya Okamura, Tomoya Ohara
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Publication number: 20240089762Abstract: A terminal comprises: a reception unit that receives a reference signal used for a purpose other than a measurement related to a radio link management; and a control unit that performs the measurement related to the radio link management using the reference signal.Type: ApplicationFiled: January 26, 2021Publication date: March 14, 2024Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Kurita, Mayuko Okano, Satoshi Nagata, Masaya Okamura, Tomoya Ohara
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Publication number: 20240089764Abstract: A terminal comprises: a transmission unit that transmits a reference signal used for a purpose other than a measurement related to a reception quality in a physical layer; and a control unit that assumes the measurement related to the reception quality in the physical layer is performed using the reference signal.Type: ApplicationFiled: January 26, 2021Publication date: March 14, 2024Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Daisuke Kurita, Mayuko Okano, Satoshi Nagata, Masaya Okamura, Tomoya Ohara
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Publication number: 20240073866Abstract: A communication apparatus includes a receiving unit configured to receive, from another communication apparatus, a plurality of requests to transmit a signal in a resource autonomously selected by the another communication apparatus; a control unit configured to control the transmitting of a plurality of the signals respectively corresponding to the plurality of the requests, based on a condition; and a transmitting unit configured to transmit, to the another communication apparatus, at least a predetermined number of signals among the plurality of signals.Type: ApplicationFiled: March 22, 2021Publication date: February 29, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Yuki Takahashi, Mayuko Okano, Masaya Okamura, Satoshi Nagata
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Publication number: 20240057031Abstract: A terminal is disclosed including a reception unit configured to receive, from a base station, configuration information on a reference signal of uplink for positioning in a non-connected state; and a transmission unit configured to transmit the reference signal based on the configuration information in the non-connected state. In other aspects, another terminal, a base station, and a transmission method are also disclosed.Type: ApplicationFiled: March 17, 2021Publication date: February 15, 2024Applicant: NTT DOCOMO, INC.Inventors: Masaya Okamura, Tomoya Ohara, Hiroki Harada
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Publication number: 20240049191Abstract: A terminal comprises: a reception unit that receives a first control information by a first control channel on a first carrier and a second control information by a second control channel on a second carrier; and a control unit that controls a reception of the second control channel based on the first control information, and controls a communication of data based on the second control information.Type: ApplicationFiled: December 25, 2020Publication date: February 8, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Shohei Yoshioka, Masaya Okamura, Shinya Kumagai, Satoshi Nagata