Patents by Inventor Kazuyuki Shimezawa

Kazuyuki Shimezawa 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).

  • Patent number: 11950256
    Abstract: A wireless communication device including an acquisition unit that acquires an information set related to a transmission parameter when transmitting a resource arbitrarily selected from a predetermined resource pool to a transmission target (for example, performing grant-free transmission), and a setting unit that sets the transmission parameter using the information set.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: April 2, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Hiroki Matsuda, Kazuyuki Shimezawa, Naoki Kusashima
  • Patent number: 11943774
    Abstract: A base station for a mobile telecommunications system has circuitry configured to communicate with at least one user equipment, wherein the circuitry is further configured to: indicate use of a first set of uplink channel transmission parameters and a second set of uplink channel transmission parameter for use the at least one user equipment for a data transmission.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: March 26, 2024
    Assignee: SONY CORPORATION
    Inventors: Shin Horng Wong, Martin Warwick Beale, Kazuyuki Shimezawa, Yassin Aden Awad
  • Patent number: 11943779
    Abstract: A terminal device that performs communication with a base station, including: a wireless transmitter that transmits an uplink channel using a first signal waveform or a second signal waveform, the first signal waveform is a signal generated without performing a predetermined conversion process, and the second signal waveform is a signal uenerated by performing the predetermined conversion process, in a case where the uplink channel is a predetermined control channel, the second signal waveform is used for transmitting the uplink channel, and in a case where the uplink channel is a predetermined shared channel, either the first signal waveform or the second signal waveform is used for transmitting the uplink channel based on control information uniquely notified from the base station to the terminal device.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: March 26, 2024
    Assignee: SONY CORPORATION
    Inventors: Kazuyuki Shimezawa, Naoki Kusashima, Hiromasa Uchiyama, Hiroki Matsuda
  • Patent number: 11929954
    Abstract: There is provided a communication system in which a base station apparatus communicates with a terminal apparatus and a communication apparatus flexibly designed to address diverse use cases so as to significantly enhance the transmission efficiency of the system as a whole. The communication apparatus includes an acquisition section that acquires information from an apparatus in wireless communication, and a control section that selects either orthogonal multiple access communication or non-orthogonal multiple access communication for communication with the apparatus on the basis of the information acquired by the acquisition section.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: March 12, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Hiroki Matsuda, Kazuyuki Shimezawa, Naoki Kusashima
  • Patent number: 11930391
    Abstract: A method of transmitting data by a communications device, the method comprising receiving a plurality of service data units including a first service data unit and a second service data unit at a Service Data Adaptation Protocol (SDAP), service access point (SAP) according to one or more quality of service (QoS) flows, each of the QoS flows defining a quality of service for the data received from the service data units, mapping the service data units received according to the one or more QoS flows on to one or more radio bearers, each of the one or more radio bearers being defined by a packet data convergence protocol (PDCP) entity within a PDCP layer, forming the service data units into protocol data units for transmission via the radio bearer to which the corresponding QoS flow has been mapped, and transmitting the protocol data units via the corresponding radio bearer.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: March 12, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Vivek Sharma, Samuel Asangbeng Atungsiri, Shin Horng Wong, Kazuyuki Shimezawa, Hideji Wakabayashi
  • Publication number: 20240073778
    Abstract: A wireless communication device (200) performs sidelink communication by a plurality of the wireless communication devices (200). The wireless communication device (200) includes a control unit (240). The control unit (240) acquires determination information for determining a plurality of master devices (200M) that communicate with a base station (100) in sidelink communication. The control unit (240) determines whether or not an own device is one of the plurality of master devices (200M) based on the determination information.
    Type: Application
    Filed: December 27, 2021
    Publication date: February 29, 2024
    Inventors: KAZUYUKI SHIMEZAWA, HIROMASA UCHIYAMA, NAOKI KUSASHIMA, REN SUGAI
  • Patent number: 11902196
    Abstract: A method of operating a communications device for transmitting data to or receiving data from an infrastructure equipment forming part of a wireless communications network.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: February 13, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Shin Horng Wong, Martin Warwick Beale, Kazuyuki Shimezawa
  • Publication number: 20240048303
    Abstract: A method of receiving data at a communications device from a wireless communications network is provided. The method comprises receiving, by a receiver of the communications device, downlink data during an initial access phase of a communications session of the communications device from a wireless access interface provided by the wireless communications network, and receiving, by the receiver of the communications device, other downlink data during a connected phase of the communications session the communications device transmitted to the communications device via the wireless access interface, the wireless access interface providing communications resources comprising a predetermined number of OFDM symbols in each of a plurality of time slots, the OFDM symbols in the initial access phase having a greater number of sub-carriers available to carry the downlink data within greater frequency domain physical resources than the OFDM symbols in the connected phase.
    Type: Application
    Filed: August 5, 2021
    Publication date: February 8, 2024
    Applicant: Sony Group Corporation
    Inventors: Martin Warwick BEALE, Kazuyuki SHIMEZAWA, Shin Horng WONG
  • Patent number: 11877277
    Abstract: Provided is a terminal device including a measuring unit that performs downlink measurement on the basis of a downlink reference signal, and a transmitting unit that transmits a first uplink reference signal on the basis of first setting related to measurement for radio resource management. The transmitting unit transmits the first uplink reference signal in a case in which a first condition is satisfied, and the measuring unit performs the downlink measurement in a case in which a second condition is satisfied.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: January 16, 2024
    Assignee: SONY CORPORATION
    Inventors: Naoki Kusashima, Kazuyuki Shimezawa, Hiromasa Uchiyama, Ryota Kimura, Hiroki Matsuda
  • Publication number: 20240015709
    Abstract: A terminal device includes: a higher layer processing unit configured to set at least one first RAT and at least one second RAT by signaling of a higher layer from the base station device; and a receiving unit configured to receive a transmission signal in the first RAT and a transmission signal in the second RAT. The transmission signal in the first RAT is mapped to a resource element configured on a basis of one physical parameter for each sub frame. The transmission signal in the second RAT is mapped to a resource element configured on a basis of one or more physical parameters for each sub frame and is mapped to a resource element configured on a basis of one physical parameter in a predetermined resource included in each of the sub frames.
    Type: Application
    Filed: September 21, 2023
    Publication date: January 11, 2024
    Applicant: Sony Group Corporation
    Inventor: Kazuyuki SHIMEZAWA
  • Patent number: 11870531
    Abstract: A communications device for use in a wireless communications network providing a wireless access interface within a system bandwidth, the system bandwidth comprising a plurality of bandwidth parts, the communications device comprising a transmitter configured to transmit signals using a plurality of activated bandwidth parts, a receiver configured to receive signals using the plurality of activated bandwidth parts, the received signals being signals transmitted using a plurality of activated beams, and a controller configured to control the transmitter and the receiver so that the communications device is operable: to determine that an activated beam associated with a first bandwidth part satisfies beam failure criteria; to select from the plurality of activated bandwidth parts a second bandwidth part; and to transmit using communications resources associated with the selected second bandwidth part a beam failure indication indicating that the activated beam associated with the first bandwidth part satisfies
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: January 9, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Yassin Aden Awad, Shin Horng Wong, Kazuyuki Shimezawa, Vivek Sharma, Martin Warwick Beale
  • Publication number: 20230413341
    Abstract: Provided is a communication apparatus that includes a control unit that performs control such that a plurality of reference signals associated with pieces of antenna information different from each other is transmitted to a terminal apparatus, and an acquisition unit that acquires control information corresponding to at least any one of the plurality of reference signals from the terminal apparatus after a random access response in a random access procedure is transmitted to the terminal apparatus. The control unit controls following communication with the terminal apparatus on the basis of the antenna information corresponding to the acquired control information.
    Type: Application
    Filed: June 19, 2023
    Publication date: December 21, 2023
    Inventors: NAOKI KUSASHIMA, KAZUYUKI SHIMEZAWA, HIROKI MATSUDA
  • Patent number: 11818693
    Abstract: A terminal device includes: a higher layer processing unit configured to set at least one first RAT and at least one second RAT by signaling of a higher layer from the base station device; and a receiving unit configured to receive a transmission signal in the first RAT and a transmission signal in the second RAT. The transmission signal in the first RAT is mapped to a resource element configured on a basis of one physical parameter for each sub frame. The transmission signal in the second RAT is mapped to a resource element configured on a basis of one or more physical parameters for each sub frame and is mapped to a resource element configured on a basis of one physical parameter in a predetermined resource included in each of the sub frames.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: November 14, 2023
    Assignee: SONY GROUP CORPORATION
    Inventor: Kazuyuki Shimezawa
  • Patent number: 11818067
    Abstract: An object of the present invention is to enable flexible design depending on use cases and to further improve the transmission efficiency of the entire system. A communication device includes: an acquisition unit configured to acquire first control information and second control information relating to a plurality of resources specified by a frequency and time available for data transmission; and a control unit configured to perform control in such a manner that data is transmitted to a transmission target after a resource is arbitrarily selected from the plurality of resources on the basis of the first control information, in which the control unit controls selection of the resource from among the plurality of resources on a basis of the second control information.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: November 14, 2023
    Assignee: SONY CORPORATION
    Inventors: Hiroki Matsuda, Kazuyuki Shimezawa, Naoki Kusashima
  • Publication number: 20230361866
    Abstract: A method of operating a first infrastructure equipment of a wireless communications network comprising a core network part, the first infrastructure equipment, a second infrastructure equipment acting as a backhaul relay node between the first infrastructure equipment and the core network part, and a downstream wireless communications device. The method comprising receiving from the second infrastructure equipment an indication of a first set of communications resources, allocating resource elements of the first set of communications resources for receiving first data for transmission to the core network part from the downstream wireless communications device, and receiving second data transmitted by the second infrastructure equipment on one or more resource elements within a second set of communications resources, the second set of communications resources different from the first set of communications resources.
    Type: Application
    Filed: July 24, 2023
    Publication date: November 9, 2023
    Applicant: Sony Group Corporation
    Inventors: Kazuyuki SHIMEZAWA, Samuel Asangbeng ATUNGSIRI, Yuxin WEI
  • Publication number: 20230361865
    Abstract: Provided is a mechanism which is capable of improving wireless link quality regarding transmission from a terminal device on the ground to a non-ground station device. A terminal device including a control unit configured to acquire information regarding a type of a base station device and control a transmission timing of a signal to the base station device on the basis of the information regarding the type of the base station device.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 9, 2023
    Inventors: NAOKI KUSASHIMA, KAZUYUKI SHIMEZAWA, HIROMASA UCHIYAMA, HIROKI MATSUDA, RYOTA KIMURA, YlFU TANG
  • Publication number: 20230345206
    Abstract: A method of operating a communications device in a wireless communications network comprising determining first positioning signal resources, the first positioning signal resources comprising communication resources allocated for transmission or reception by the communications device of positioning signals associated with a positioning procedure, determining other communication resources allocated for transmission or reception by the communications device of other signals, determining that the communications device cannot use both the first positioning signal resources for the transmission or reception of the positioning signals and the other communication resources for the transmission or reception of the other signals, determining relative priorities of the first positioning signal resources and the other communication resources, and based on the relative priorities, controlling a transmitter or receiver of the communications device to transmit or receive the positioning signals using the first positioning
    Type: Application
    Filed: August 5, 2021
    Publication date: October 26, 2023
    Applicant: Sony Group Corporation
    Inventors: Martin Warwick BEALE, Kazuyuki SHIMEZAWA, Shin Horng WONG, Basuki PRIYANTO
  • Publication number: 20230345279
    Abstract: A method of operating a communications device, the method comprising: receiving reference signals transmitted by the infrastructure equipment on a wireless access interface, receiving downlink control information (DCI) transmitted by the infrastructure equipment to the communications device and each of one or more other communications devices which together form a group of communications devices, the DCI indicating whether each of the respective communications devices of the group is to transmit a channel measurement report, and in response to receiving the DCI, determining, based on the DCI, communications resources for transmitting the channel measurement report, generating a channel measurement report based on the received reference signals, and transmitting the channel measurement report using the determined communications resources.
    Type: Application
    Filed: February 15, 2021
    Publication date: October 26, 2023
    Applicant: Sony Group Corporation
    Inventors: Shin Horng WONG, Martin Warwick BEALE, Kazuyuki SHIMEZAWA
  • Publication number: 20230337262
    Abstract: A method for a communications device which is configurable to transmit or receive data on a sidelink using communcation resources of a first frequency range and is configurable to transmit or receive data on a sidelink using communication resources of a second frequency range, the first frequency range being a licensed frequency range, and the second frequency range being an unlicensed frequency range, the method comprising determining that the communications device is not permitted to transmit the data on a sidelink using communication resources of the first frequency range, determining that the communications device is permitted to transmit the data on a sidelink using communication resources of the second frequency range, and transmitting or receiving data on a sidelink using communication resources of the second frequency range.
    Type: Application
    Filed: September 10, 2021
    Publication date: October 19, 2023
    Applicant: Sony Group Corporation
    Inventors: Vivek SHARMA, Kazuyuki SHIMEZAWA, Hiromasa UCHIYAMA
  • Publication number: 20230336271
    Abstract: [Object] To provide a terminal device capable of efficiently performing communication in a communication system in which a base station device and the terminal device communicate with each other. [Solution] A terminal device that communicates with a base station device includes: a higher layer processing unit configured to set an STTI channel setting through signaling of a higher layer from the base station device; and a receiving unit configured to receive a first PDSCH in a case in which the STTI channel setting is not set and receive a second PDSCH in a case in which the STTI channel setting is set. The first PDCCH is mapped to one or more resource blocks, the second PDCCH is mapped to one or more sub resource blocks, and the second PDSCH is demodulated using a reference signal mapped to a symbol including the sub resource block or a resource element before the symbol.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 19, 2023
    Applicant: Sony Group Corporation
    Inventor: Kazuyuki SHIMEZAWA