Patents by Inventor Mitsuru Mochizuki

Mitsuru Mochizuki 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: 20240201310
    Abstract: A base station (10) according to the present invention includes a reception processing unit (104) that receives a signal for use in positioning transmitted from a terminal device, and a positioning processing unit (106) that computes the location of the terminal device using the signal for use in positioning.
    Type: Application
    Filed: February 28, 2024
    Publication date: June 20, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Fumihiro HASEGAWA, Akinori TAIRA, Mitsuru MOCHIZUKI, Tadahiro SHIMODA
  • Publication number: 20240187960
    Abstract: A communication system includes: a first base station that operates as a donor for integrated access and backhaul, the first base station including a central unit and a distributed unit; and one or more second base stations that operate as nodes of the integrated access and backhaul, and in a case where multicast transmission of data is performed from the first base station to a communication terminal, the central unit performs a configuration for the multicast transmission on the distributed unit and the one or more second base stations.
    Type: Application
    Filed: March 23, 2022
    Publication date: June 6, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tadahiro SHIMODA, Mitsuru MOCHIZUKI
  • Patent number: 12004073
    Abstract: A closed subscriber group (CSG) cell is a cell that allows use of subscribers. In order to receive the service by the CSG cell, a CSG-ID is required to be notified to a user equipment, which cannot be obtained in a situation outside the reach of radio waves from a non-CSG cell. In a mobile communication system including base stations respectively provided to a CSG cell and a non-CSG cell in which access is made to the CSG cell with the use of a CSG-ID issued in a case where use of the CSG cell is allowed, the base station provided in the CSG cell refers to the notified identification information of a user equipment and then transmits a tracking area update request from the user equipment to a core network, and the core network determines whether the user equipment is allowed to use the CSG cell and, in the case where the use is allowed, transmits a signal for allowing assignment of radio resources to the user equipment and the CSG-ID. The user equipment accesses the CSG cell with the use of the CSG-ID.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: June 4, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Miho Maeda, Mitsuru Mochizuki, Taiga Saegusa, Yasushi Iwane, Yuji Kakehi, Masayuki Nakazawa, Taisei Suemitsu
  • Patent number: 12003325
    Abstract: In a mobile communication system according to the present invention, with the separate use of a plurality of component carriers or with the use of a carrier set including the plurality of component carriers aggregated, a base station performs radio communication with a user equipment corresponding to the component carrier or a user equipment corresponding to the aggregated carriers. In particular, in a case where the base station performs radio communication with the user equipment corresponding to the aggregated carriers with the use of the aggregated carriers, each of a plurality of transport blocks created by dividing a transport channel is transmitted per each of the plurality of component carriers constituting the aggregated carriers, and control information related to radio communication between the base station and the user equipment corresponding to the aggregated carriers is transmitted such that physical information of the corresponding component carrier is identifiable.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: June 4, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Miho Maeda, Mitsuru Mochizuki, Taiga Saegusa, Yasushi Iwane
  • Patent number: 11997648
    Abstract: In a communication system, a plurality of base stations includes an MeNB being a first base station, and a plurality of SeNBs to be connected to the MeNB. At least one of control plane data about control of communication and user plane data about a user is transmitted to and received from a user equipment (UE) via the first base station being the MeNB. The control plane data and the user plane data are contained in information provided by a core network about communication with the UE. The communication system can simplify processing of at least one of control plane data and user plane data when a communication terminal device communicates with a plurality of base station devices.
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: May 28, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masayuki Nakazawa, Mitsuru Mochizuki, Hideo Umehara, Kuniyuki Suzuki
  • Patent number: 11997557
    Abstract: When being connected to a macro cell (S-MeNB) and a small cell (SeNB), a user equipment device performs a pre-handover process of disconnecting the connection with the SeNB before a handover process of switching a macro cell connected with the UE from the macro cell (S-MeNB) that is a moving source to a macro cell (T-MeNB) that is a moving destination along with moving of the UE, and after the handover process, performs a post-handover process of reestablishing the connection with the SeNB.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: May 28, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takuya Ohara, Taisei Suemitsu, Mitsuru Mochizuki, Kuniyuki Suzuki, Masayuki Nakazawa, Daisuke Hiramatsu
  • Publication number: 20240171998
    Abstract: A communication system includes a user equipment and a base station, in which a protocol stack between the user equipment and the base station includes PDCP, RLC, MAC and PHY. The base station includes a first node and one or more second nodes, the first node terminates the PDCP, each of the second nodes terminates the RLC, the MAC and the PHY. The base station is configured to perform radio communication with the user equipment that terminates the PDCP, the RLC, the MAC and the PHY.
    Type: Application
    Filed: January 30, 2024
    Publication date: May 23, 2024
    Inventors: Fusako TAKAYANAGI, Etsuko HOKAN, Taisei SUEMITSU, Miho MAEDA, Mitsuru MOCHIZUKI, Takayuki NONAMI
  • Publication number: 20240137826
    Abstract: A communication system includes: a base station conforming to New Radio Access Technology; and a communication terminal capable of performing multicast communication with the base station. While executing the multicast communication, the communication terminal transmits reception status information to the base station in communication with the communication terminal, the reception status information being information related to a data reception status, and the base station performs control of retransmission of data to the communication terminal on the basis of the reception status information.
    Type: Application
    Filed: February 21, 2022
    Publication date: April 25, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tadahiro SHIMODA, Mitsuru MOCHIZUKI
  • Patent number: 11968735
    Abstract: A communication system includes a terminal apparatus; and a plurality of base stations respectively configured to wirelessly communicate with the terminal apparatus, the base stations including an MgNB and an SgNB that configures dual connectivity with the terminal apparatus. The terminal apparatus performs small data transmission for the SgNB in an RRC_INACTIVE state.
    Type: Grant
    Filed: March 17, 2023
    Date of Patent: April 23, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tadahiro Shimoda, Mitsuru Mochizuki
  • Publication number: 20240129820
    Abstract: The communication system includes: a first base station to which a first communication terminal is connected, the first communication terminal supporting terminal-to-terminal communication in which communication terminals directly communicate with each other; and a second base station to which a second communication terminal is connected, the second communication terminal supporting the terminal-to-terminal communication, and in a case where the second base station receives a handover request for the first communication terminal to connect to the second base station via the second communication terminal, the second base station transmits, to the first communication terminal and the second communication terminal, communication configuration information indicating the content of a configuration for the first communication terminal and the second communication terminal to perform terminal-to-terminal communication therebetween.
    Type: Application
    Filed: February 21, 2022
    Publication date: April 18, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Mitsuru MOCHIZUKI, Tadahiro SHIMODA
  • Publication number: 20240121793
    Abstract: Provided is a communication system capable of suppressing increase in the power consumption of a communication terminal device, degradation in the communication quality, and reduction in the use efficiency of radio resources. A base station device (gNB) notifies a communication terminal device (UE) of information on the next reception timing. The UE receives, for example, a downlink control signal in a subframe. The UE obtains, from the downlink control signal, information on a piece of user data in the subframe, and the information on the next reception timing. The UE transmits and receives the piece of user data to and from the gNB. The information on the next reception timing indicates a subframe as the next reception timing of the UE. The UE receives a downlink control signal in the subframe.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 11, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Mitsuru MOCHIZUKI, Tadahiro SHIMODA, Noriyuki FUKUI, Masaaki KUSANO
  • Publication number: 20240110274
    Abstract: Provided is a vapor deposition method in which a deposition rate can be kept constant, it is not needed to unnecessarily increase a container temperature for improving a deposition rate, and vapor deposition of even a powder material that is easily thermally decomposed can be performed at a desired deposition rate, in vacuum vapor deposition using a powder material. The method is provided by using a container including an accommodating portion configured to accommodate the powder material and at least one opening for releasing vapor of the powder material from the accommodating portion, to perform the vacuum vapor deposition of the powder material by heating the container, in which, in a case where an area of an inner surface of the accommodating portion is S and a total area of the opening is O, a ratio of the total area O of the opening to the area S of the inner surface is 0.06% to 2% as a percentage of O/S.
    Type: Application
    Filed: September 20, 2023
    Publication date: April 4, 2024
    Applicant: FUJFILM Corporation
    Inventors: Yoshihiko MOCHIZUKI, Mitsuru IWATA, Yasunori YONEKUTA
  • Publication number: 20240073769
    Abstract: A highly reliable communication system is provided, for example. A communication system includes a communication terminal device, and a plurality of base stations configured to perform radio communication with the communication terminal device. The plurality of base stations include a master base station and a secondary base station configuring dual connectivity with respect to the communication terminal device. When failure occurs in a secondary cell group (SCG) used for communication between the communication terminal device and the secondary base station, the master base station acquires latest SCG configuration.
    Type: Application
    Filed: November 8, 2023
    Publication date: February 29, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tadahiro SHIMODA, Mitsuru MOCHIZUKI
  • Publication number: 20240073787
    Abstract: A closed subscriber group (CSG) cell allows use of subscribers. To receive the service by the CSG cell, a CSG-ID is notified to a user equipment, but cannot be obtained outside the reach of radio waves from a non-CSG cell. Base stations respectively provided to a CSG cell and a non-CSG cell, and access is made to the CSG cell with the use of a CSG-ID issued when use of the CSG cell is allowed, the base station refers to the notified identification information of a user equipment and then transmits a tracking area update request from the user equipment to a core network. The core network determines whether the user equipment is allowed to use the CSG cell and, if allowed, transmits a signal for assignment of radio resources to the user equipment and the CSG-ID. The user equipment accesses the CSG cell with the CSG-ID.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Miho MAEDA, Mitsuru MOCHIZUKI, Taiga SAEGUSA, Yasushi IWANE, Yuji KAKEHI, Masayuki NAKAZAWA, Taisei SUEMITSU
  • Publication number: 20240073738
    Abstract: Provided is a high-speed communication system with the high reliability and the low latency under New Radio (NR). A base station device includes a plurality of distributed units (DUs, 802) that transmit and receive radio signals, and a central unit (CU, 801) that controls the plurality of DUs (802). The CU (801) duplicates a downlink packet addressed to a communication terminal device (804), and forwards the duplicated downlink packet to each of at least two DUs (802) among the plurality of DUs (802). Each of the at least two of the DUs (802) transmits, to the communication terminal device (804) by the radio signal, the downlink packet obtained from the CU (801). Upon redundant receipt of the downlink packets, the communication terminal device (804) removes a redundant downlink packet in accordance with a predefined downlink packet removal criterion.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tadahiro SHIMODA, Mitsuru MOCHIZUKI
  • Patent number: 11913804
    Abstract: Appropriate network data for an indoor map can be efficiently generated using input data including a structure of an indoor space. In a network data generation device (10) that generates, from the input data including at least the structure of the indoor space and information indicating a property based on the structure of the indoor space, network data, the network data including a link representing a movable space on a map and a node that is a starting point or an ending point of the link, a link/node generation unit (142) generates a set of links and a set of nodes based on the input data.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: February 27, 2024
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Mitsuru Mochizuki, Nobuaki Hiroshima, Osamu Matsuda, Hitoshi Seshimo
  • Publication number: 20240064779
    Abstract: A communication system includes a communication terminal device, a base station device performing radio communication with the communication terminal device, and a base station controller controlling the base station device. The communication terminal device is a machine type communication (MTC) device, The base station controller includes a mobility management entity (MME). Data is transmitted to the MME from the communication terminal device via the base station device.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 22, 2024
    Inventors: Miho MAEDA, Mitsuru MOCHIZUKI, Yasushi IWANE, Takayuki NONAMI, Taisei SUEMITSU, Yuichi NAKAI
  • Publication number: 20240032137
    Abstract: Provided is a communication system with low latency and high reliability, etc. Even after transitioning from RRC_CONNECTED to RRC_INACTIVE, a communication terminal device maintains secondary base station configuration information on configuring a secondary base station. Even when at least one of a master base station and a secondary base station is changed during the RRC_INACTIVE, the communication terminal device maintains the secondary base station configuration information. The communication terminal device again transitions to the RRC_CONNECTED using the maintained secondary base station configuration information.
    Type: Application
    Filed: July 28, 2023
    Publication date: January 25, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tadahiro SHIMODA, Mitsuru MOCHIZUKI, Fumihiro HASEGAWA, Noriyuki FUKUI, Daichi UCHINO
  • Patent number: 11871268
    Abstract: Provided is a high-speed communication system with the high reliability and the low latency under New Radio (NR). A base station device includes a plurality of distributed units (DUs, 802) that transmit and receive radio signals, and a central unit (CU, 801) that controls the plurality of DUs (802). The CU (801) duplicates a downlink packet addressed to a communication terminal device (804), and forwards the duplicated downlink packet to each of at least two DUs (802) among the plurality of DUs (802). Each of the at least two of the DUs (802) transmits, to the communication terminal device (804) by the radio signal, the downlink packet obtained from the CU (801). Upon redundant receipt of the downlink packets, the communication terminal device (804) removes a redundant downlink packet in accordance with a predefined downlink packet removal criterion.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: January 9, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tadahiro Shimoda, Mitsuru Mochizuki
  • Publication number: 20240008120
    Abstract: Provided is a technology that can maintain the reliability and the transmission rate in the communication. A communication system includes a communication terminal, and a first base station and a second base station that are configured to perform radio communication with the communication terminal. The first base station notifies the second base station of information on a numerology to be used for communication between the first base station and the communication terminal when the first base station and the second base station provide the communication terminal with dual connectivity using a same frequency band (Steps ST1501 and ST1502).
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yasuhiro ONAKA, Tadahiro SHIMODA, Mitsuru MOCHIZUKI, Kuniyuki SUZUKI