Patents by Inventor Hiroyuki Adachi

Hiroyuki Adachi 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).

  • RADIO TERMINAL, PROCESSOR, AND NETWORK DEVICE
    Publication number: 20180255610
    Abstract: An MME according to one embodiment is included in a network. The MEE receives information on the number of remote terminals, from a relay terminal. The relay terminal configured to relay traffic of a remote terminal through a proximity service. The remote terminal configured to perform communication with the network via the remote. The MME transfer the received information on the number of remote terminals to a Packet Data Network Gateway (P-GW) included in the network.
    Type: Application
    Filed: May 3, 2018
    Publication date: September 6, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Hiroyuki ADACHI, Masato FUJISHIRO
  • Base station and user terminal for determining device-to-device (D2D) discovery parameters including resource pool information used for D2D discovery
    Patent number: 10070421
    Abstract: A user terminal is configured to execute processes of: receiving control information from a serving cell, the control information transmitted by a dedicated signaling to the user terminal, wherein the control information requests acquisition of device-to-device discovery parameters included in a system information block of different frequency than the serving cell, and the device-to-device discovery parameters include resource pool information used to device-to-device discovery; acquiring the device-to-device discovery parameters from a neighbor cell belonging to the different frequency designated by the control information; determining whether a valid period of the control information expires; and transmitting a message to the serving cell as long as within the valid period, the message including the device-to-device discovery parameters and an identifier of the different frequency.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: September 4, 2018
    Assignee: KYOCERA Corporation
    Inventors: Masato Fujishiro, Hiroyuki Adachi, Henry Chang
  • USER TERMINAL AND BASE STATION
    Publication number: 20180249494
    Abstract: A user terminal according to a first aspect is used in a mobile communication system. The user terminal includes: a receiver configured to receive, from a base station, candidate timing information indicating candidate timings of uplink transmission in an unlicensed band channel, which is an unlicensed band frequency channel; a controller configured to determine a transmission timing to perform the uplink transmission to the base station from among the candidate timings indicated by the candidate timing information, by monitoring the unlicensed band channel; and a transmitter configured to transmit uplink data to the base station via the unlicensed band channel at the transmission timing.
    Type: Application
    Filed: March 17, 2016
    Publication date: August 30, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Naohisa MATSUMOTO, Kugo MORITA, Hiroyuki ADACHI
  • BASE STATION AND RADIO TERMINAL
    Publication number: 20180234855
    Abstract: A base station (eNB 200-1) operated in a specific frequency band shared by a plurality of operators or a plurality of communication systems transmits, to another base station (eNB 200-2) operated in the specific frequency band, transmission request information requesting transmission of a predetermined signal for stopping transmission of an interference signal by an interference source (UE 100-2) causing interference to a radio terminal (UE 100-1) connected to the base station.
    Type: Application
    Filed: August 5, 2016
    Publication date: August 16, 2018
    Applicant: Kyocera Corporation
    Inventors: Naohisa MATSUMOTO, Hiroyuki URABAYASHI, Kugo MORITA, Hiroyuki ADACHI
  • BASE STATION AND RADIO TERMINAL
    Publication number: 20180234983
    Abstract: A base station (200) according to one embodiment uses a specific frequency band shared by a plurality of operators and/or a plurality of communication systems. The base transmit, to a radio terminal (100-1), interference-related information relating to interference detected by the base station in the specific frequency band.
    Type: Application
    Filed: August 8, 2016
    Publication date: August 16, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Naohisa MATSUMOTO, Hiroyuki URABAYASHI, Kugo MORITA, Masato FUJISHIRO, Hiroyuki ADACHI, Chiharu YAMAZAKI, Fangwei TONG
  • RADIO TERMINAL
    Publication number: 20180234808
    Abstract: A radio terminal according to one embodiment is a relay terminal configured to perform a UE-to-Network relay in a proximity service. The radio terminal comprises a controller configured to transmit, to a remote terminal configured to communicate with the relay terminal by the UE-to-Network relay, Multimedia Broadcast Multicast Service (MBMS) reception information related to whether or not the radio terminal can receive an MBMS service.
    Type: Application
    Filed: August 5, 2016
    Publication date: August 16, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Hiroyuki ADACHI, Masato FUJISHIRO
  • RADIO TERMINAL AND BASE STATION
    Publication number: 20180235027
    Abstract: A radio terminal according to an embodiment is configured to perform direct communication with another radio terminal. The radio terminal comprises a controller configured to receive first data addressed to said another radio terminal from a base station. When the controller receives the first data from the base station, the controller is configured to also receive information indicating a first radio resource used for transferring the first data to said another radio terminal by the direct communication.
    Type: Application
    Filed: August 8, 2016
    Publication date: August 16, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Hiroyuki ADACHI, Masato FUJISHIRO, Takahiro SAIWAI
  • BASE STATION AND RADIO TERMINAL
    Publication number: 20180227812
    Abstract: A base station according to one embodiment is configured to perform communication with a radio terminal and a wireless wide area network (WWAN) system. The base station comprises a controller configured to transmit first configuration information with which the radio terminal configures a measurement report in the radio terminal. The measurement report is a report of a measurement result about a signal transmitted by a wireless local area network (WLAN) system from an access point. The first configuration information includes a predetermined identifier associated with a group of access points to be measured by the radio terminal. The predetermined identifier is associated with an identifier of each of the access points in the group. The group is a group in which the radio terminal is capable of steering among access points without being dependent on a command from the base station.
    Type: Application
    Filed: July 29, 2016
    Publication date: August 9, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Yushi NAGASAKA, Masato FUJISHIRO, Hiroyuki ADACHI, Henry CHANG
  • BASE STATION
    Publication number: 20180227811
    Abstract: A base station according to one embodiment is configured to perform wireless wide area network (WWAN) communication with a radio terminal. The base station comprises: a controller configured to store first wireless local area network (WLAN) group information on a first WLAN access point group including a plurality of access points existing in a coverage of the base station. The controller configured to configure the first WLAN group information with respect to the radio terminal such that the radio terminal is capable of autonomously steering communication by WLAN among the plurality of WLAN access points. The first WLAN group information includes a predetermined identifier corresponding to the first WLAN access point group and identifiers of the plurality of WLAN access points.
    Type: Application
    Filed: July 27, 2016
    Publication date: August 9, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Yushi NAGASAKA, Masato FUJISHIRO, Hiroyuki ADACHI, Henry CHANG
  • Base station, processor, and user terminal for setting a configuration to the user terminal for discontinuously monitoring a physical downlink control channel (PDCCH) on which a control signal is transmitted by the base station
    Patent number: 10045395
    Abstract: A base station supports SC-PTM. The base station sets a first configuration and a second configuration to the user terminal. The first configuration is a configuration on the user terminal discontinuously monitoring a PDCCH on which a control signal is transmitted, the control signal being for receiving multicast data transmitted by the SC-PTM from the base station. The first configuration includes an On-duration timer that is a period during which the user terminal receives the PDCCH. The first configuration is a configuration corresponding to a RNTI assigned commonly to a plurality of user terminals that receives identical multicast data by the SC-PTM. The second configuration is a configuration on the user terminal discontinuously monitoring a PDCCH on which a control signal is transmitted, the control signal being for receiving data transmitted by another transmission method from the base station.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: August 7, 2018
    Assignee: KYOCERA Corporation
    Inventors: Masato Fujishiro, Hiroyuki Adachi, Kugo Morita
  • User terminal and base station
    Patent number: 10045317
    Abstract: A user terminal includes processor configured to execute processes of: receiving, from a base station, configuration information indicating whether the user terminal shall transmit a device-to-device (D2D) synchronization signal used for a D2D proximity service; transmitting the D2D synchronization signal in response to the received configuration information being first configuration information explicitly indicating the user terminal shall transmit the D2D synchronization signal; and prohibiting transmission of the D2D synchronization signal in response to the received configuration information being second configuration information explicitly indicating the user terminal shall not transmit the D2D synchronization signal.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: August 7, 2018
    Assignee: KYOCERA Corporation
    Inventor: Hiroyuki Adachi
  • RADIO TERMINAL
    Publication number: 20180220326
    Abstract: A radio terminal according to one embodiment transmits data of one bearer to two radio communication apparatuses. The radio terminal comprises a controller configured to transmit a buffer status report to only one of the two radio communication apparatuses, if a data amount accumulated in a predetermined buffer falls below a threshold value and only the one radio communication apparatus is designated as a transmission target of the buffer status report. The controller is configured to change the transmission target of the buffer status report from the one radio communication apparatus to the other radio communication apparatus, if the data amount falls below the threshold value and a failure in a radio link with the one radio communication apparatus is detected.
    Type: Application
    Filed: July 29, 2016
    Publication date: August 2, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Yushi NAGASAKA, Masato FUJISHIRO, Kugo MORITA, Hiroyuki ADACHI, Henry CHANG
  • BASE STATION AND USER TERMINAL
    Publication number: 20180206241
    Abstract: Abase station and user terminal are configured to perform radio communication with one another in a specific frequency band shared by a plurality of operators and/or a plurality of communication systems. The base station is configured to transmit to the user terminal a first synchronization signal at a start timing of downlink transmission, transmit a second synchronization signal at a timing different from the start timing, and differentiate a signal configuration related to the first synchronization signal from a signal configuration related to the second synchronization signal. A signal configuration related to the first synchronization signal is different from a signal configuration related to the second synchronization signal, and the user terminal distinguishes, based on a difference of the signal configuration, between the first synchronization signal and the second synchronization signal.
    Type: Application
    Filed: March 14, 2018
    Publication date: July 19, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Naohisa MATSUMOTO, Chiharu YAMAZAKI, Hiroyuki URABAYASHI, Kugo MORITA, Hiroyuki ADACHI
  • User terminal, communication control method and chipset
    Patent number: 10028331
    Abstract: A user terminal transmits and/or receives downlink traffic through cellular/WLAN aggregation by using a first communication and a second communication. The downlink traffic is divided into traffic for cellular communication network and traffic for WLAN. The user terminal further transmits an uplink control signal through the cellular/WLAN aggregation by using the first communication and without using the second communication. The user terminal further notifies the base station of a report regarding the second communication by the first communication. The report indicates a radio link failure in the second communication and includes a reason for the radio link failure. The reason includes a first reason and a second reason. The first reason relates to a radio environment in the second communication. The second reason does not relate to the radio environment.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: July 17, 2018
    Assignee: Kyocera Corporation
    Inventors: Masato Fujishiro, Chiharu Yamazaki, Hiroyuki Adachi, Yushi Nagasaka, Kugo Morita, Katsuhiro Mitsui
  • Communication control method, upper network apparatus, and radio base station
    Patent number: 10028241
    Abstract: A communication control method for performing device-to-device communication between different cells managed by an eNB 200 connected to an OAM 400, comprises: setting, by the OAM 400, in a predetermined cell managed by the eNB 200, an MBSFN area where synchronization is achieved between a plurality of cells; notifying, by the OAM 400, to the eNB 200, a radio resource that is common in the MBSFN area, and that is used for performing the device-to-device communication; and a step of broadcasting, by the eNB 200, the radio resource in the predetermined cell.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: July 17, 2018
    Assignee: KYOCERA Corporation
    Inventor: Hiroyuki Adachi
  • Communication control method and user terminal for selecting a D2D synchronization reference
    Patent number: 10021536
    Abstract: D2D communication is appropriately controlled even in an environment in which a user terminal inside the coverage and a user terminal outside the coverage both exist. A method includes: a step of receiving, by UE 100-1 included in a plurality of UEs 100, from UE 100-n included in the plurality of UEs 100, information related to the UE 100-n; and a step of selecting, by the UE 100-1, a control user terminal for controlling D2D communication, based on the information related to the UE 100-n, from among the plurality of UEs 100.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: July 10, 2018
    Assignee: KYOCERA Corporation
    Inventors: Kugo Morita, Hiroyuki Adachi, Noriyoshi Fukuta
  • RADIO TERMINAL AND WWAN-SUPPORTING BASE STATION
    Publication number: 20180192346
    Abstract: A radio terminal according to an embodiment includes a controller having a function of switching data between a wireless wide area network (WWAN) and a wireless local area network (WLAN) based on information configured from the WWAN; and a transmitter configured to transmit, to the WWAN, a WLAN measurement report in response to satisfaction of a predetermined condition, the WLAN measurement report including: a WLAN measurement results; and a WLAN related identifier indicating a WLAN to which the radio terminal has been connected. The predetermined condition includes a condition that the WLAN measurement is configured from the WWAN to the radio terminal.
    Type: Application
    Filed: January 29, 2018
    Publication date: July 5, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Yushi NAGASAKA, Masato FUJISHIRO, Hiroyuki ADACHI, Henry CHANG
  • BASE STATION, MOBILITY MANAGEMENT APPARATUS, RADIO TERMINAL, AND NETWORK APPARATUS
    Publication number: 20180176883
    Abstract: A base station according to a first aspect includes a controller configured to perform a process of receiving, from a mobility management apparatus, a paging message used for paging of a radio terminal. The paging message includes a first field for idle mode non-extended DRX and a second field for idle mode extended DRX. If information indicating a DRX cycle of the idle mode extended DRX is included in the second field, the controller is configured to determine that the idle mode extended DRX is configured to the radio terminal.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 21, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Masato FUJISHIRO, Hiroyuki ADACHI, Henry CHANG
  • BASE STATION AND RADIO TERMINAL
    Publication number: 20180160416
    Abstract: A base station according to an embodiment comprises: a controller configured to receive an identifier of a wireless LAN access point added in a wireless LAN termination apparatus from the wireless LAN termination apparatus.
    Type: Application
    Filed: May 20, 2016
    Publication date: June 7, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Katsuhiro MITSUI, Masato FUJISHIRO, Noriyoshi FUKUTA, Kugo MORITA, Yushi NAGASAKA, Akinori IWABUCHI, Hiroyuki ADACHI
  • RADIO TERMINAL, PROCESSOR AND COMMUNICATION METHOD
    Publication number: 20180152862
    Abstract: A radio terminal according to an embodiment comprises: a controller configured to control traffic steering between an Evolved-Universal Terrestrial Radio Access Network (E-UTRAN) and a Wireless Local Area Network (WLAN). The controller is configured to control traffic steering from the E-UTRAN to the WLAN or from the WLAN to the E-UTRAN according to at least one of a first scheme and a second scheme. The radio terminal further comprises a receiver configured to receive, from the E-UTRAN, first assistance information to be used to determine whether the radio terminal executes the traffic steering in the first scheme. The first assistance information is broadcasted by the E-UTRAN. The receiver is configured to receive, from the E-UTRAN, WLAN configuration information including a list of identifiers of the WLAN and a timer value indicating a period over which the WLAN configuration information should be held.
    Type: Application
    Filed: January 29, 2018
    Publication date: May 31, 2018
    Applicant: KYOCERA CORPORATION
    Inventors: Yushi NAGASAKA, Masato FUJISHIRO, Hiroyuki ADACHI, Henry CHANG