Patents by Inventor Naoki Kusashima

Naoki Kusashima 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: 20210385877
    Abstract: Provided are a communication device and a communication method capable of further improving the quality between radio links in a communication system in which a base station device and the communication device communicate with each other. A communication device (50) according to the present disclosure includes a receiver (511a) and a transmitter (512d). The receiver (511a) receives a synchronization signal transmitted from a base station device (20, 30). The transmitter (512d) transmits a physical random access channel (PRACH) including a feature capable of uniquely identifying the synchronization signal received by a receiver (511a) and/or a PRACH resource to the base station device (20, 30).
    Type: Application
    Filed: February 7, 2020
    Publication date: December 9, 2021
    Applicant: Sony Corporation
    Inventors: Hiroki MATSUDA, Naoki KUSASHIMA
  • Publication number: 20210378012
    Abstract: There is proposed a mechanism that makes it possible to achieve fair channel access between a plurality of nodes. A base station including a control unit (150) that notifies a terminal device of setting information regarding a channel access scheme to be used and carrier sense. The terminal device is configured to use, as channel access schemes, a first scheme in which the terminal device performs carrier sense at any timing and a second scheme in which the terminal device performs carrier sense at predetermined timing.
    Type: Application
    Filed: October 21, 2019
    Publication date: December 2, 2021
    Inventors: NAOKI KUSASHIMA, HIROMASA UCHIYAMA, HIROKI MATSUDA, YIFU TANG
  • Publication number: 20210377927
    Abstract: [Object] To achieve communication between terminal devices in a more preferred aspect even in a situation in which wireless access technologies in which definition of resources is different are multiplexed in a communication system in which a base station device and terminal devices communicate with each other. [Solution] A communication device includes: a communication unit configured to perform wireless communication; a control unit configured to allocate a resource to each of a first channel for transmitting control information and a second channel for transmitting data in communication between a plurality of terminal devices; and a notification unit configured to notify at least any terminal device among the plurality of terminal devices of information regarding the resource.
    Type: Application
    Filed: June 14, 2017
    Publication date: December 2, 2021
    Applicant: Sony Corporation
    Inventors: Naoki KUSASHIMA, Hiromasa UCHIYAMA
  • Publication number: 20210367735
    Abstract: A communication device (20) includes a processing unit (232) that performs a NOMA transmission process on a partial range of transmission data to be transmitted to another communication device (40), the NOMA transmission process being signal processing for non-orthogonal multiple access, and a transmitting unit (235) that transmits data obtained after the NOMA transmission process to the another communication device.
    Type: Application
    Filed: April 23, 2019
    Publication date: November 25, 2021
    Inventors: HIROKI MATSUDA, NAOKI KUSASHIMA
  • Publication number: 20210360689
    Abstract: [Object] To provide a mechanism that can improve the transmission efficiency of the entire system in an environment in which dynamic resource sharing is performed. [Solving Means] Provided is a communication apparatus that communicates with a base station apparatus that receives first uplink data of grant-free transmission and second uplink data of grant-based transmission, the communication apparatus including: a setting unit that performs setting regarding grant-free transmission available resources based on setting information received from the base station apparatus; and a communication processing unit that receives, in a predetermined first slot, a downlink control channel including parameter information for grant-free transmission and that uses uplink resources selected from the grant-free transmission available resources to transmit the first uplink data generated based on the parameter information.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Applicant: Sony Group Corporation
    Inventors: Kazuyuki SHIMEZAWA, Naoki KUSASHIMA, Hiroki MATSUDA
  • Publication number: 20210352599
    Abstract: A communication device includes: a communication unit that performs wireless communication; and a control unit (103) that performs control so that a plurality of synchronization signals is patterned and arranged in regions to which resources of the wireless communication are allocated and is transmitted to another terminal device, the plurality of synchronization signals being associated with each of a plurality of beams allocated to be available for inter-device communication between different terminal devices, in which the control unit (103) performs control so that a pattern in which the plurality of synchronization signals is arranged is switched according to a predetermined condition.
    Type: Application
    Filed: September 13, 2019
    Publication date: November 11, 2021
    Applicant: Sony Corporation
    Inventors: Naoki KUSASHIMA, Hiromasa UCHIYAMA, Yifu TANG, Hiroki MATSUDA
  • Patent number: 11172539
    Abstract: To provide a mechanism capable of flexibly constructing backhaul including a wireless communication path. Provided is a base station including: a processing unit that is connected to backhaul including a first logical interface with a first control entity related to a control plane and a second logical interface with a second control entity related to a user plane. Both a communication route in which the first logical interface is formed and a communication route in which the second logical interface is formed include wireless communication paths formed between a first base station and a second base station.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: November 9, 2021
    Assignee: SONY CORPORATION
    Inventors: Hiroaki Takano, Hiromasa Uchiyama, Naoki Kusashima, Kazuyuki Shimezawa, Hiroki Matsuda
  • Publication number: 20210345354
    Abstract: A user equipment that includes a radio transceiver that performs wireless communication in an unlicensed band, and circuitry that performs RLM using downlink physical signals, measures a radio link quality, evaluates the radio link quality against thresholds Qout and Qin, indicates out-of-sync to higher layers from a physical layer, indicates in-sync to the higher layers from the physical layer, starts a first timer when the out-of-sync is consecutively indicated to the higher layers from the physical layer, and determines that a radio link failure occurs in a case where the first timer expires without consecutive in-sync indications, and the first timer is different from a second timer used to determine whether a radio link failure occurs in a wireless communication in one or more serving cells in a licensed band.
    Type: Application
    Filed: July 13, 2021
    Publication date: November 4, 2021
    Applicant: Sony Group Corporation
    Inventor: Naoki KUSASHIMA
  • Patent number: 11160091
    Abstract: A cell using an allocated frequency band, a non-allocated frequency band, or a shared frequency band is controlled efficiently. A higher layer processing unit configured to configure a first configuration for monitoring an Enhanced Physical Downlink Control CHannel (EPDCCH) and a second configuration for measuring a Discovery Signal (DS); a reception processing unit configured to monitor a candidate of the EPDCCH, based on the first configuration; and a detection unit configured to detect the DS in a prescribed subframe to be determined, based on the second configuration are provided. In a case that simultaneous transmissions on the EPDCCH and the DS occur in a Licensed Assisted Access (LAA) cell, the EPDCCH is mapped onto a resource element different from a resource element corresponding to the DS in the prescribed subframe.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: October 26, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Kazuyuki Shimezawa, Naoki Kusashima, Wataru Ouchi, Takashi Hayashi
  • Publication number: 20210329498
    Abstract: There is provided a communication apparatus including: a communication unit that performs radio communication; a control unit that controls an operation of sensing resources to be used in a communication scheme used for performing inter-device communication with other devices, in which the control unit controls to sense the resource in a predetermined minimum unit on a time axis.
    Type: Application
    Filed: September 10, 2019
    Publication date: October 21, 2021
    Applicant: Sony Corporation
    Inventors: Yifu TANG, Naoki KUSASHIMA, Hiromasa UCHIYAMA, Hiroki MATSUDA
  • Publication number: 20210314930
    Abstract: It is possible to accommodate various communication traffics in a more suitable manner in inter-device communication such as V2X communication. A communication device (100) includes: a communication unit (220) that performs wireless communication; an acquisition unit (243) that acquires information regarding a control resource set from another device, the control resource set including one or more control resources allocated to a partial area included in a control area and defined for every purpose of resources allocated to a data area; and a control unit (241) that extracts the control resource set according to the acquired information regarding the control resource set and controls inter-device communication with another communication device via the wireless communication on the basis of the control resource set.
    Type: Application
    Filed: July 9, 2019
    Publication date: October 7, 2021
    Applicant: Sony Corporation
    Inventors: Hiromasa UCHIYAMA, Naoki KUSASHIMA, Hiroki MATSUDA, Yifu TANG
  • Publication number: 20210298853
    Abstract: An information processing apparatus (50) includes a motion request verifying unit (57) controlling execution of a motion request for a device, on the basis of the motion request based on device side information including device state information indicating a state of the device at a first point in time and target state information indicating a state of an operated target, and device side information updated during time after the first point in time and before a second point in time at which the motion request is received.
    Type: Application
    Filed: June 4, 2019
    Publication date: September 30, 2021
    Inventors: ATSUSHI MIYAMOTO, NAOKI KUSASHIMA, RYOTA KIMURA, KAZUO HONGO
  • Publication number: 20210307072
    Abstract: There is provided a wireless communication device capable of making the wireless communication link more stable in a communication system using an unlicensed band. There is provided a wireless communication device including a determination unit (243) configured to determine whether a channel is clear or busy, a communication unit (220) configured to transmit an uplink signal of a RACH procedure, and a setting unit (243) configured to set at least a first resource and a second resource to transmit the uplink signal, in which the first resource is selected from a set of resources set by information in an RRC layer, and the second resource is designated by downlink information in a physical layer.
    Type: Application
    Filed: August 1, 2019
    Publication date: September 30, 2021
    Applicant: Sony Corporation
    Inventor: Naoki KUSASHIMA
  • Publication number: 20210307029
    Abstract: It is possible to further suppress emergence of a half duplex (HD) problem in inter-device communication such as V2X communication. A communication device includes: a communication unit (220) that performs wireless communication; an acquisition unit (243) that acquires first information from a first communication device via the wireless communication, the first information being information regarding a transmission condition of data using a communication mode of switching transmission and reception in a time division manner to perform the inter-device communication; and a control unit (241) that controls an operation related to reception of data transmitted from the first communication device according to the first information.
    Type: Application
    Filed: July 9, 2019
    Publication date: September 30, 2021
    Applicant: Sony Corporation
    Inventors: Hiromasa UCHIYAMA, Naoki KUSASHIMA, Hiroki MATSUDA, Yifu TANG
  • Patent number: 11134479
    Abstract: When a terminal device receives a MAC CE indicating activation of a second cell in subframe n and an action of monitoring a PDCCH for a first cell is not applied in subframe n+8, an action related to CSI reporting for the second cell on a PUCCH is applied in a subframe that is no earlier than subframe n+8 and in which an action of monitoring the PDCCH for the first cell is applied. When the terminal device receives the MAC CE indicating activation of the second cell in subframe n, the action related to the CSI reporting for the second cell on the PUCCH is applied in subframe n+8, irrespective of whether the action of monitoring the PDCCH for the first cell is applied in subframe n+8.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: September 28, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shoichi Suzuki, Tatsushi Aiba, Kazunari Yokomakura, Hiroki Takahashi, Wataru Ouchi, Naoki Kusashima
  • Patent number: 11121826
    Abstract: To make flexible design according to a use case possible and further improve the transmission efficiency of the entire system. A communication apparatus includes a communication section configured to perform wireless communication, and a control section configured to control such that information corresponding to a plurality of one-encoding units to be made a target of re-transmission is notified to another apparatus, the target of re-transmission being, from among one or a plurality of one-encoding units defined so as to include at least part of a plurality of one-encoding units included in a predetermined transmission unit, any of the plurality of one-encoding units whose reception results in failure and all of the plurality of one-encoding units included in the predetermined transmission unit.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: September 14, 2021
    Assignee: SONY CORPORATION
    Inventors: Hiroki Matsuda, Kazuyuki Shimezawa, Naoki Kusashima
  • Patent number: 11122618
    Abstract: [Object] To provide a mechanism that can improve the transmission efficiency of the entire system in an environment in which dynamic resource sharing is performed. [Solving Means] Provided is a communication apparatus that communicates with a base station apparatus that receives first uplink data of grant-free transmission and second uplink data of grant-based transmission, the communication apparatus including: a setting unit that performs setting regarding grant-free transmission available resources based on setting information received from the base station apparatus; and a communication processing unit that receives, in a predetermined first slot, a downlink control channel including parameter information for grant-free transmission and that uses uplink resources selected from the grant-free transmission available resources to transmit the first uplink data generated based on the parameter information.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: September 14, 2021
    Assignee: SONY CORPORATION
    Inventors: Kazuyuki Shimezawa, Naoki Kusashima, Hiroki Matsuda
  • Patent number: 11116021
    Abstract: There is provided a communication apparatus including a setting unit that sets a resource for device-to-device communication, in which the setting unit sets a resource pool including a plurality of sub resource pools as a resource for the device-to-device communication. One of the sub resource pools is an anchor sub resource pool that stores control information for monitoring by the device that performs the device-to-device communication.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: September 7, 2021
    Assignee: SONY CORPORATION
    Inventors: Hiromasa Uchiyama, Naoki Kusashima, Kazuyuki Shimezawa
  • Publication number: 20210266881
    Abstract: To provide a wireless communication device which enables reliable detection of a downlink without using a CRS. There is provided a wireless communication device including a communication unit (220) configured to perform wireless communication using an unlicensed band, and a detecting unit (241) configured to detect a downlink on the basis of a second downlink signal different from a first downlink signal which is periodically transmitted, in which the detecting unit starts PDCCH monitoring after detecting a downlink.
    Type: Application
    Filed: August 1, 2019
    Publication date: August 26, 2021
    Applicant: Sony Corporation
    Inventor: Naoki KUSASHIMA
  • Publication number: 20210266111
    Abstract: There is provided a wireless communication device including a determination unit configured to determine whether a channel is clear or busy, and a transmission processing unit configured to transmit a hybrid ARQ (HARQ) to a communication device of a communication partner, in which the HARQ is transmitted using a first resource or a second resource, and in a case where transmission of the HARQ using the first resource has been failed through the determination by the carrier sense unit, the transmission processing unit transmits a HARQ using the second resource.
    Type: Application
    Filed: August 2, 2019
    Publication date: August 26, 2021
    Applicant: Sony Corporation
    Inventors: Naoki KUSASHIMA, Hiromasa UCHIYAMA, Hiroki MATSUDA