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).
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Publication number: 20170231023Abstract: A receiving terminal includes: a receiver configured to receive a data unit configured by data and a header, from the transmitting terminal in the D2D communication; and a controller configured to hold the data unit including a compressed header for a predetermined period even if decoding the compressed header is failed when the compressed header is used as the header. In the D2D communication, a timing at which a receiving entity is formed in the receiving terminal differs from a timing at which a transmitting entity is formed in the transmitting terminal.Type: ApplicationFiled: August 5, 2015Publication date: August 10, 2017Applicant: KYOCERA CORPORATIONInventor: Hiroyuki ADACHI
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Publication number: 20170231024Abstract: A communication control method according to the present invention is used in a mobile communication system that supports D2D communication that is direct Device-to-Device communication. The communication control method comprises a step of transmitting, by a first user terminal in a cell coverage, to another user terminal, identification information for identifying that the first user terminal is located in a cell.Type: ApplicationFiled: August 6, 2015Publication date: August 10, 2017Applicant: Kyocera CorporationInventors: Naohisa MATSUMOTO, Kugo MORITA, Hiroyuki ADACHI
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Publication number: 20170223760Abstract: A user terminal according to an embodiment is a user terminal configured to exist in a first cell in a mobile communication system that supports a D2D proximity service between the user terminal configured to exist in the first cell and a user terminal configured to exist in a second cell. The user terminal comprises: a controller configured to measure a timing difference between a timing of a signal received from the first cell and a timing of a signal received from the second cell; and a transmitter configured to notify a base station configured to manage the first cell, of the timing difference.Type: ApplicationFiled: August 5, 2015Publication date: August 3, 2017Applicant: KYOCERA CORPORATIONInventors: Hiroyuki ADACHI, Masato FUJISHIRO, Chiharu YAMAZAKI, Yushi NAGASAKA, Kugo MORITA
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Patent number: 9718151Abstract: A reactor measurement-pipe maintenance clamp apparatus includes a first clamp mechanism and a second clamp mechanism. The first clamp mechanism includes clamps to fix the measurement pipe between the clamps, first clamp operation bolts that are allowed to be turned by remote control from above a reactor core, and wedge mechanisms to convert the turning of the clamp operation bolts to displacement of the clamps in a radial direction of the diffuser to generate clamping forces for securing the measurement pipe. The second clamp mechanism includes a support clamp to hold the support, a second clamp operation bolt that is allowed to be turned by remote control from above the reactor core, and a wedge mechanism to convert the turning of the second clamp operation bolt to displacement of the support clamp in a tangential direction of the diffuser to generate clamping force for fixing the support.Type: GrantFiled: July 23, 2014Date of Patent: August 1, 2017Assignee: Kabushiki Kaisha ToshibaInventors: Yusuke Ozawa, Kunihiko Kinugasa, Hajime Mori, Yuki Minato, Masanobu Watanabe, Hiroyuki Adachi, Tadahiro Mitsuhashi
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Publication number: 20170215218Abstract: A user terminal according to an embodiment comprises: a controller configured to perform control to discard data of a predetermined sequence number, under a predetermined condition based on a window size used in a receiving RLC entity to define a sequence number of data capable of being received without advancing a window, in the receiving RLC entity established to receive data by D2D communication that is direct device-to-device communication. The controller sets the window size to zero.Type: ApplicationFiled: July 22, 2015Publication date: July 27, 2017Applicant: KYOCERA CORPORATIONInventors: Hiroyuki ADACHI, Kugo MORITA, Chiharu YAMAZAKI
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Patent number: 9706478Abstract: A base station according to an embodiment comprises: a controller including a memory. The controller is configured to store a list in the memory, the list including at least one or more identifiers of Wireless Local Area Network (WLAN) access points. The controller is further configured to execute a process of receiving first information from a node configured to connect to the WLAN access points. The first information includes at least one ore more identifiers of WLAN access points to be deleted from the list. The controller is further configured to update the list on a basis of the first information.Type: GrantFiled: August 31, 2016Date of Patent: July 11, 2017Assignee: KYOCERA CorporationInventors: Katsuhiro Mitsui, Masato Fujishiro, Hiroyuki Adachi
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Patent number: 9699767Abstract: A communication control method includes: a step A of receiving, by UE 100-1 in a coverage of the mobile communication system, broadcast information transmitted from eNB 200; a step B of transferring, by the UE 100-1, the broadcast information to UE 100-2 outside the coverage of the mobile communication system; and a step C of receiving, by the UE 100-2, the broadcast information transferred from the UE 100-1.Type: GrantFiled: September 22, 2014Date of Patent: July 4, 2017Assignee: KYOCERA CorporationInventors: Hiroyuki Adachi, Noriyoshi Fukuta, Masato Fujishiro, Kugo Morita
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Publication number: 20170188321Abstract: A communication control method according to the present embodiment comprises: a step of transmitting, by a user terminal located inside a cell, detection information indicating that a D2D synchronization signal is detected, to a base station that manages the cell, when receiving the D2D synchronization signal from another user terminal; and a step of transmitting, to the user terminal, by the base station, on the basis of the detection information received from the user terminal, setting information for setting the user terminal to a D2D synchronization source.Type: ApplicationFiled: May 8, 2015Publication date: June 29, 2017Applicant: KYOCERA CORPORATIONInventors: Naohisa MATSUMOTO, Masato FUJISHIRO, Hiroyuki ADACHI
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Publication number: 20170164396Abstract: In the communication control method according to the present embodiment, a user terminal transmits a scheduling assignment indicating the location of a radio resource used in a reception of communication data by direct device-to-device communication. The user terminal transmits the communication data including initial transmission data and retransmission data by using the radio resource. The retransmission data is transmitted depending on the number of times of re-transmissions associated with a predetermined scheduling assignment by using a predetermined radio resource of which the location is indicated by the predetermined scheduling assignment.Type: ApplicationFiled: March 18, 2015Publication date: June 8, 2017Applicant: KYOCERA CORPORATIONInventors: Naohisa MATSUMOTO, Kugo MORITA, Hiroyuki ADACHI
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Patent number: 9668231Abstract: A user terminal includes processor configured to execute a process of receiving, from a serving cell, broadcast information on a device-to-device (D2D) discovery, a procedure used by the user terminal to discover a proximal user terminal. The broadcast information includes a cell identifier of a neighbor cell, and synchronization information on the neighbor cell. The synchronization information includes a first value or a second value. The processor executes processes of: receiving both a D2D synchronization signal and a D2D discovery signal that are transmitted by a proximal user terminal in the neighbor cell in response to the synchronization information including the first value; and receiving the D2D discovery signal without receiving the D2D synchronization signal in response to the synchronization information including the second value.Type: GrantFiled: February 23, 2016Date of Patent: May 30, 2017Assignee: KYOCERA CorporationInventor: Hiroyuki Adachi
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Patent number: 9668202Abstract: A communication control method according to the present invention is a method for allowing a cellular communication system to cooperate with a wireless LAN system. The communication control method comprises: a detecting step of detecting, by a user terminal having a cellular communication unit and a wireless LAN communication unit, that the user terminal is present near a small-cell base station; a recognizing step of recognizing, by the user terminal, that the small-cell base station is of a collocated type where the small-cell base station is disposed at a same location as a wireless LAN access point; and a scanning starting step of starting, by the user terminal, scanning for discovery of the wireless LAN access point, when the user terminal has recognized that the small-cell base station is of the collocated type and has not discovered the wireless LAN access point.Type: GrantFiled: May 8, 2014Date of Patent: May 30, 2017Assignee: KYOCERA CorporationInventors: Yushi Nagasaka, Masato Fujishiro, Kugo Morita, Chiharu Yamazaki, Hiroyuki Adachi
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Publication number: 20170142673Abstract: 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: ApplicationFiled: January 26, 2017Publication date: May 18, 2017Applicant: KYOCERA CORPORATIONInventor: Hiroyuki ADACHI
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Publication number: 20170135151Abstract: 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: ApplicationFiled: January 23, 2017Publication date: May 11, 2017Inventors: Masato FUJISHIRO, Chiharu YAMAZAKI, Hiroyuki ADACHI, Yushi NAGASAKA, Kugo MORITA, Katsuhiro MITSUI
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Publication number: 20170127287Abstract: A communication control method according to a present embodiment comprises: a step of transmitting, by a first base station, to a third base station that is a neighboring base station of the first base station, a first resource message relating to a first D2D resource used for the D2D proximity service in the first base station. The first resource message includes information on the first D2D resource and a second D2D resource used for the D2D proximity service in a second base station that is a neighboring base station of the first base station.Type: ApplicationFiled: March 20, 2015Publication date: May 4, 2017Applicant: KYOCERA CORPORATIONInventors: Masato FUJISHIRO, Hiroyuki ADACHI, Chiharu YAMAZAKI, Fangwei TONG, Kugo MORITA
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Patent number: 9637891Abstract: A management server for a working machine, including: a reception unit that receives a sensor output from a working machine; a regular report creation unit that creates, for each predetermined period of time, a regular report indicating an operation state of the working machine within the predetermined period of time based on the sensor output; an emergency report creation unit that creates at least one emergency report upon detecting abnormality data representing abnormality of the working machine based on the sensor output; an important report creation unit that creates an important report upon detecting predictive data indicating a sign of the abnormality based on the sensor output; and a delivery unit that delivers the regular report, the at least one emergency report, and the important report, respectively, to a regular report delivery target, an emergency report delivery target, and an important report delivery target.Type: GrantFiled: March 7, 2014Date of Patent: May 2, 2017Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Hiroyuki Adachi, Kenji Ota, Kouji Seki, Kunio Seki, Hiroshi Onose, Satoshi Abe, Kazuki Kubota
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Patent number: 9629068Abstract: A communication control method applied to a mobile communication system, the mobile communication system including a home base station that forms a specific cell and a mobility management device that performs verification of a user terminal for access permission to the specific cell in a handover procedure of the user terminal to the specific cell, comprises a step A of transmitting, by the mobility management device, verification failure information indicating failure of the verification to the home base station when the verification is failed after the user terminal establishes a connection to the specific cell in the handover procedure and a step B of starting, by the home base station, a re-handover procedure of the user terminal to another cell from the specific cell while maintaining the connection in response to reception of the verification failure information from the mobility management device.Type: GrantFiled: June 30, 2016Date of Patent: April 18, 2017Assignee: KYOCERA CORPORATIONInventor: Hiroyuki Adachi
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Patent number: 9629049Abstract: A UE performs a first communication with a base station provided in a cellular communication network and performs a second communication with an access point provided in a WLAN. The UE performs a cellular/WLAN interworking to perform a switch between the first communication and the second communication. The UE performs the switch between the first communication and the second communication based on a RAN assistance parameter provided from the cellular communication network. The UE determines, after an elapse of a predetermined time from an event that all of the first communication was switched to the second communication based on a first RAN assistance parameter provided as the RAN assistance parameter, whether to perform a switch from the second communication to the first communication based on a second RAN assistance parameter newly provided as the RAN assistance parameter.Type: GrantFiled: August 30, 2016Date of Patent: April 18, 2017Assignee: KYOCERA CorporationInventors: Yushi Nagasaka, Masato Fujishiro, Hiroyuki Adachi, Kugo Morita, Henry Chang
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Publication number: 20170105230Abstract: In the communication control method according to the present embodiment, a user terminal receives a scheduling assignment indicating a location of a radio resource used in a reception of communication data by direct device-to-device communication. The user terminal decides a terminal identifier that is different from a terminal identifier indicating another user terminal included in the scheduling assignment, as a terminal identifier indicating the user terminal. The user terminal transmits a scheduling assignment including the decided terminal identifier.Type: ApplicationFiled: March 18, 2015Publication date: April 13, 2017Applicant: KYOCERA CORPORATIONInventors: Naohisa MATSUMOTO, Hiroyuki ADACHI, Kugo MORITA, Masato FUJISHIRO
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Patent number: 9578614Abstract: 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: GrantFiled: February 22, 2016Date of Patent: February 21, 2017Assignee: KYOCERA CorporationInventor: Hiroyuki Adachi
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Publication number: 20170041773Abstract: A user terminal according to an embodiment comprises: a transmitter configured to transmit a message to a base station, the message requesting a gap used to receive or transmit a discovery signal that is a direct terminal-to-terminal radio signal for discovering another user terminal; and a receiver configured to receive configuration information from the base station, the configuration information configuring the gap to the user terminal. The message includes: gap information indicating the gap; and frequency information indicating a frequency associated with the gap information. The gap information includes: a bitmap indicating at least one subframe; and an offset value with reference to “0” of system frame number (SFN).Type: ApplicationFiled: July 28, 2016Publication date: February 9, 2017Applicant: KYOCERA CORPORATIONInventors: Masato FUJISHIRO, Hiroyuki ADACHI, Chiharu YAMAZAKI, Yushi NAGASAKA, Henry CHANG