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: 11405811
    Abstract: Provided are a communication apparatus that is operated under a wireless communication environment to which a full duplex communication scheme is applied and a communication method. The communication apparatus includes a communication section that performs wireless communication and a control section that controls operation of the communication section and processing of a signal transmitted and received by the communication section. Upon receiving, through a downlink control channel from a base station, designation regarding a resource in which interference is to be measured, the control section conducts, in the designated resource, measurement of interference from another terminal. In addition, the control section further controls transmission of interference information obtained by the measurement to the base station.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: August 2, 2022
    Assignee: SONY CORPORATION
    Inventors: Naoki Kusashima, Ryota Kimura, Kazuyuki Shimezawa, Ryo Sawai, Hiroto Kuriki, Keiichi Mizutani, Takeshi Matsumura, Hiroshi Harada
  • Publication number: 20220232565
    Abstract: [Object] To provide a mechanism that enables flexible design in relation to communication timing. [Solution] A communication apparatus including: a communication control unit that controls transmission of any one of a first channel that is transmitted in a first direction and a second channel that is transmitted in a second direction that faces the first direction and corresponds to the first channel and reception of the other one of the first channel and the second channel; and a setting unit that sets a control mode of the communication control unit to a first mode or a second mode. The communication control unit transmits and receives the first channel and the second channel in different sub frames in the first mode and transmits and receives the first channel and the second channel in a same sub frame in the second mode.
    Type: Application
    Filed: March 23, 2022
    Publication date: July 21, 2022
    Applicant: Sony Group Corporation
    Inventor: Kazuyuki SHIMEZAWA
  • Patent number: 11394496
    Abstract: A communications device configured to receive data from an infrastructure equipment of a wireless communications network is provided. The communications device comprises transceiver circuitry configured to transmit signals and to receive signals via a wireless access interface provided by the wireless communications network, and controller circuitry. The controller circuitry is configured to control the transceiver circuitry to receive an explicit uplink hybrid automatic repeat request acknowledgement indicator, e-HARQ indicator, from the infrastructure equipment, and to determine, in accordance with the received e-HARQ indicator, whether or not the communications device should monitor for a first HARQ acknowledgement, HARQ-ACK, in a specific time slot and in a specific frequency resource of the wireless access interface, the first HARQ-ACK being transmitted by the infrastructure equipment in response to an uplink transmission from the communications device to the infrastructure equipment.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: July 19, 2022
    Assignee: SONY CORPORATION
    Inventors: Shin Horng Wong, Martin Warwick Beale, Kazuyuki Shimezawa, Vivek Sharma
  • Patent number: 11394459
    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: Grant
    Filed: October 15, 2018
    Date of Patent: July 19, 2022
    Assignee: SONY CORPORATION
    Inventors: Naoki Kusashima, Kazuyuki Shimezawa, Hiromasa Uchiyama, Hiroki Matsuda, Ryota Kimura, Yifu Tang
  • Publication number: 20220225400
    Abstract: A communications device operates to receive data from a wireless communications network. The communications device receives one or more downlink control messages providing indicating a first downlink communications resource of a wireless access interface provided by the wireless communications network from which the communications device can receive first downlink data, and indicating a second downlink communications resource of the wireless access interface from which the communications device can receive second downlink data, and indicating one or more uplink communications resources of the wireless access interface for the communications device to transmit one or more Hybrid Automatic Repeat Request-type (HARQ) feedback messages for indicating whether or not the first and second downlink data is received.
    Type: Application
    Filed: April 22, 2020
    Publication date: July 14, 2022
    Applicant: Sony Group Corporation
    Inventors: Shin Horng WONG, Kazuyuki SHIMEZAWA
  • Publication number: 20220225303
    Abstract: A method for receiving data by a communications device data from a wireless communications network, the method comprising: receiving a downlink control message transmitted in first downlink communications resources of a wireless access interface provided by the wireless communications network, the downlink control information providing an indication of second downlink communications resources from which the communications device can receive downlink data, decoding the downlink control message to identify the second downlink communications resources for receiving the downlink data, and receiving the downlink data from the second downlink communications resources, wherein the first and the second downlink communications resources are within a time period of the wireless access interface which ends at a pre-configured end time, the pre-configured end time being before the downlink control message is decoded.
    Type: Application
    Filed: April 22, 2020
    Publication date: July 14, 2022
    Applicant: Sony Group Corporation
    Inventors: Shin Horng WONG, Martin Warwick BEALE, Kazuyuki SHIMEZAWA
  • Patent number: 11388704
    Abstract: A terminal device (UE) includes a reception unit configured to monitor an enhanced physical downlink control channel (EPDCCH) on a Serving cell with frame structure type 3. In a case that the terminal device detects downlink control information (DCI) in a subframe, the terminal device assumes a configuration of OFDM symbols according to a field in the DCI in the subframe. The OFDM symbols are used for downlink transmission. A demodulation reference signal (DMRS) associated with the EPDCCH is mapped in the subframe according to the configuration of the OFDM symbols.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: July 12, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Kazuyuki Shimezawa, Naoki Kusashima, Shoichi Suzuki, Alvaro Ruiz Delgado
  • Publication number: 20220201713
    Abstract: A method of receiving data by a communications device in a wireless communications network, the method comprising receiving a downlink control message transmitted in first downlink communications resources of a wireless access interface provided by the wireless communications network, the downlink control message providing an indication of second downlink communications resources from which the communications device can receive downlink data, and receiving the downlink data from the second downlink communications resources, wherein the communications device is configured to operate in a first reception mode in which a receiver of the communications device is configured to receive the downlink data transmitted according to a first format via the second downlink communications resources, or to operate in a second reception mode in which the receiver of the communications device is configured to receive the downlink data transmitted according to a second format via the second downlink communications resources.
    Type: Application
    Filed: April 15, 2020
    Publication date: June 23, 2022
    Applicant: Sony Group Corporation
    Inventors: Martin Warwick BEALE, Shin Horng WONG, Kazuyuki SHIMEZAWA
  • Patent number: 11368959
    Abstract: The present invention provides a base station apparatus, a terminal apparatus, and a communication method, which are capable of throughput improvement. A base station apparatus that communicates with a terminal apparatus, includes a higher layer processing unit that configures a CSI process that is a configuration relating to reporting of a channel state information (CSI), for the terminal apparatus for which a prescribed transmission mode is configured, in which the CSI process includes a configuration of a CSI reference signal and a configuration relating to two different code books.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: June 21, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Ryota Yamada, Kazuyuki Shimezawa, Hiromichi Tomeba
  • Patent number: 11356991
    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: December 14, 2017
    Date of Patent: June 7, 2022
    Assignee: SONY CORPORATION
    Inventors: Hiroki Matsuda, Kazuyuki Shimezawa, Naoki Kusashima
  • Patent number: 11343053
    Abstract: A communications device for use in a wireless communications system comprising an infrastructure equipment and the communications device is provided. The communications device is configured to transmit an uplink channel to the infrastructure equipment in a plurality of allocated subcarriers. The communications device comprises circuitry for one or more modulation symbol repetition blocks, each configured to receive modulated symbols mapped to one of plurality of modulated symbol sets and to repeat each of the received modulated symbols within each of the plurality of modulated symbol sets, and circuitry for a precoder block configured to carry out a precoder function on the repeated modulation symbols, the precoder function comprising multiplying each of the repeated modulation symbols by an element of a precoder vector to produce precoded symbols.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: May 24, 2022
    Assignee: Sony Corporation
    Inventors: Shin Horng Wong, Martin Warwick Beale, Samuel Asangbeng Atungsiri, Kazuyuki Shimezawa
  • Patent number: 11343701
    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 3, 2019
    Date of Patent: May 24, 2022
    Assignee: SONY CORPORATION
    Inventors: Vivek Sharma, Samuel Asangbeng Atungsiri, Shin Horng Wong, Kazuyuki Shimezawa, Hideji Wakabayashi
  • Patent number: 11337212
    Abstract: [Object] To provide a mechanism that enables flexible design in relation to communication timing. [Solution] A communication apparatus including: a communication control unit that controls transmission of any one of a first channel that is transmitted in a first direction and a second channel that is transmitted in a second direction that faces the first direction and corresponds to the first channel and reception of the other one of the first channel and the second channel; and a setting unit that sets a control mode of the communication control unit to a first mode or a second mode. The communication control unit transmits and receives the first channel and the second channel in different sub frames in the first mode and transmits and receives the first channel and the second channel in a same sub frame in the second mode.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: May 17, 2022
    Assignee: SONY CORPORATION
    Inventor: Kazuyuki Shimezawa
  • Publication number: 20220150905
    Abstract: A method includes receiving one or more first downlink data blocks and one or more second downlink data blocks, for each of the one or more first downlink data blocks and one or more second downlink data blocks determining an acknowledgement status, the acknowledgement status indicating whether the downlink data block was correctly received or not received correctly (ACK/NACK), receiving an indication of first uplink communications resources allocated for transmitting first acknowledgement information including the acknowledgement status for the one or more first downlink data blocks, determining that the first uplink communications resources are allocated for the transmission of acknowledgement information generated in accordance with a first codebook, the first codebook for generating acknowledgement information associated with the one or more first downlink data blocks, and receiving an indication of second uplink communications resources allocated for transmitting second acknowledgement information includ
    Type: Application
    Filed: March 12, 2020
    Publication date: May 12, 2022
    Applicant: Sony Group Corporation
    Inventors: Kazuyuki SHIMEZAWA, Shin Horng WONG, Martin Warwick BEALE
  • Publication number: 20220150014
    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: Application
    Filed: January 17, 2020
    Publication date: May 12, 2022
    Applicant: Sony Group Corporation
    Inventors: Shin Horng WONG, Martin Warwick BEALE, Kazuyuki SHIMEZAWA
  • Publication number: 20220141848
    Abstract: A method of selecting data for transmission in a wireless communications network by a communications device, the method includes receiving by the communications device an allocation message, the allocation message including an indication of first communications resources for transmitting of data from a first group of one or more of a plurality of logical channels and the allocation message is received in response to a second scheduling request message requesting the first communications resources for transmitting the data from the first group of the one or more logical channels which was transmitted after a first scheduling request message requesting second communications resources for transmitting data from a second group of the one or more of the plurality of logical channels, in response to receiving the allocation message.
    Type: Application
    Filed: February 17, 2020
    Publication date: May 5, 2022
    Applicant: Sony Group Corporation
    Inventors: Shin Horng WONG, Yassin Aden AWAD, Vivek SHARMA, Kazuyuki SHIMEZAWA, Martin Warwick BEALE
  • Patent number: 11297630
    Abstract: [Object] To provide a grant-free transmission mechanism that ensures improved transmission efficiency of a system as a whole. [Solving Means] A transmission apparatus includes a setting section and a communication processing section. The setting section performs settings regarding a resource capable of grant-free transmission and a plurality of transmission patterns corresponding to predetermined pieces of information different from each other. The communication processing section sends data in a grant-free manner in the resource capable of grant-free transmission by using a transmission pattern selected from among the plurality of transmission patterns.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: April 5, 2022
    Assignee: SONY CORPORATION
    Inventors: Kazuyuki Shimezawa, Naoki Kusashima, Hiroki Matsuda
  • Patent number: 11296909
    Abstract: An apparatus including: a communication unit configured to perform radio communication; and a control unit configured to perform control such that control information regarding a filter length of a filter for limiting a width of a guard band in a frequency band to be used in the radio communication is transmitted to an external apparatus through the radio communication. The filter length is determined in accordance with at least one of a frequency resource and a time resource for the radio communication. The apparatus enables a filter improving frequency use efficiency.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: April 5, 2022
    Assignee: SONY GROUP CORPORATION
    Inventors: Hiroki Matsuda, Ryota Kimura, Kazuyuki Shimezawa
  • Publication number: 20220103329
    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: Application
    Filed: December 13, 2021
    Publication date: March 31, 2022
    Inventors: HIROKI MATSUDA, KAZUYUKI SHIMEZAWA, NAOKI KUSASHIMA
  • Publication number: 20220104282
    Abstract: [Object] To provide a wireless link usable in a more stable manner in a situation where beam management is performed. A communication apparatus 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: December 13, 2021
    Publication date: March 31, 2022
    Inventors: NAOKI KUSASHIMA, KAZUYUKI SHIMEZAWA, HIROKI MATSUDA