Patents by Inventor Shohei Yoshioka
Shohei Yoshioka 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: 20240155599Abstract: A terminal receives downlink control information for the downlink data channel. The terminal performs scheduling of the downlink data channel in data distribution for multiple terminals based on specific downlink control information separate from the downlink control information.Type: ApplicationFiled: March 19, 2021Publication date: May 9, 2024Applicant: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Shohei Yoshioka, Satoshi Nagata
-
Patent number: 11979874Abstract: A terminal according to an aspect of the present disclosure includes a control section that determines, in a case where a physical uplink shared channel (PUSCH) spans two durations across a boundary in a time domain, a configuration of a phase tracking reference signal (PTRS) during each of the two durations, and a transmitting section that transmits the PUSCH. According to an aspect of the present disclosure, even in a case where a signal/channel is transmitted over a plurality of slots, a reference signal can be appropriately transmitted.Type: GrantFiled: July 4, 2019Date of Patent: May 7, 2024Assignee: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Yuki Takahashi, Satoshi Nagata, Lihui Wang
-
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
-
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
-
Patent number: 11974267Abstract: A user equipment includes a transmitter that performs a groupcast transmission to a group including a plurality of units of user equipment; a receiver that receives a hybrid automatic repeat request (HARQ) response to the groupcast transmission; and a controller that performs retransmission control for the groupcast based on received power that is measured on a channel for receiving the HARQ response.Type: GrantFiled: December 27, 2018Date of Patent: April 30, 2024Assignee: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Satoshi Nagata, Huan Wang
-
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
-
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
-
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
-
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
-
Patent number: 11968139Abstract: To appropriately control communication even when a reference signal is dynamically triggered, a user terminal according to one aspect of the present disclosure includes: a receiving section that receives a downlink shared channel and a Channel State Information (CSI) reference signal; and a control section that controls reception processing of the downlink shared channel based on at least one of cells that respectively transmit first downlink control information channel and second downlink control information, cells that respectively transmit the second downlink control information and the CSI reference signal, and resources that are indicated respectively by the first downlink control information and the second downlink control information, the first downlink control information being used to schedule the downlink shared channel, and the second downlink control information being used to trigger the CSI reference signal.Type: GrantFiled: August 17, 2018Date of Patent: April 23, 2024Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Shohei Yoshioka, Kazuki Takeda, Satoshi Nagata
-
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
-
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
-
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
-
Publication number: 20240129838Abstract: A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive a connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device.Type: ApplicationFiled: February 22, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Shinya Kumagai, Shohei Yoshioka, Haruhi Echigo, Yuki Hokazono, Yuki Takahashi, Daisuke Kurita, Satoshi Nagata
-
Publication number: 20240129836Abstract: A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device, and the reception unit receives recommendation information related to installation of the device itself from the first communication device.Type: ApplicationFiled: February 22, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Daisuke Kurita, Yuki Takahashi, Haruhi Echigo, Yuki Hokazono, Satoshi Nagata
-
Publication number: 20240129961Abstract: A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device, and the transmission unit transmits information related to control of the second communication device to the first communication device in a case where the connection to the first communication device is established.Type: ApplicationFiled: February 22, 2021Publication date: April 18, 2024Applicant: NTT DOCOMO, INC.Inventors: Shinya Kumagai, Shohei Yoshioka, Haruhi Echigo, Yuki Hokazono, Yuki Takahashi, Daisuke Kurita, Satoshi Nagata
-
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
-
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
-
Publication number: 20240121833Abstract: A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive a connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device and performs a communication with the second communication device, and the second communication device performs a communication with a third communication device that includes: a transmission unit that transmits a connection request to the first communication device; a reception unit that receives a connection permission from the first communication device; and a control unit that establishes a first connection with the first communication device.Type: ApplicationFiled: February 22, 2021Publication date: April 11, 2024Applicant: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Shinya Kumagai, Daisuke Kurita, Yuki Takahashi, Haruhi Echigo, Yuki Hokazono, Satoshi Nagata
-
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