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    RADIO TERMINAL
    11.
    发明申请
    RADIO TERMINAL 审中-公开

    公开(公告)号：US20180220326A1

    公开(公告)日：2018-08-02

    申请号：US15747492

    申请日：2016-07-29

    Applicant: KYOCERA CORPORATION

    Inventor： Yushi NAGASAKA ,  Masato FUJISHIRO ,  Kugo MORITA ,  Hiroyuki ADACHI ,  Henry CHANG

    IPC: H04W28/02 ,  H04W24/10 ,  H04W88/02 ,  H04W72/04

    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.

    RADIO TERMINAL AND BASE STATION
    12.
    发明申请
    RADIO TERMINAL AND BASE STATION 审中-公开

    公开(公告)号：US20180191483A1

    公开(公告)日：2018-07-05

    申请号：US15904566

    申请日：2018-02-26

    Applicant: KYOCERA CORPORATION

    Inventor： Chiharu YAMAZAKI ,  Kugo MORITA ,  Masato FUJISHIRO ,  Hiroyuki URABAYASHI ,  Mayumi KOMURA

    IPC: H04L5/14 ,  H04W72/04 ,  H04W74/08

    Abstract: A radio terminal according to one embodiment comprises a controller configured to perform radio communication in a time division duplex system, with a base station. The controller is configured to receive a downlink radio signal from the base station; and transmit to the base station, response information indicating whether reception of the downlink radio signal is successful, wherein the response information is transmitted by using an uplink radio resource different from an uplink control channel resource even if the uplink radio resource is not allocated for data transmission from the base station.

    COMMUNICATION CONTROL METHOD
    13.
    发明申请
    COMMUNICATION CONTROL METHOD 审中-公开

    公开(公告)号：US20180110094A1

    公开(公告)日：2018-04-19

    申请号：US15567273

    申请日：2016-04-19

    Applicant: KYOCERA CORPORATION

    Inventor： Noriyoshi FUKUTA ,  Masato FUJISHIRO ,  Kugo MORITA ,  Hiroyuki ADACHI

    IPC: H04W88/04 ,  H04W8/00 ,  H04W92/18

    CPC classification number: H04W88/04 ,  H04W8/005 ,  H04W8/22 ,  H04W76/15 ,  H04W92/18

    Abstract: In a communication control method according to a present embodiment, at least one radio terminal of a first radio terminal and a second radio terminal discoveries the other radio terminal by executing a discovery for discovering a proximal terminal. The at least one radio terminal reports, to a network apparatus that the other radio terminal is discovered. The network apparatus requests, while the first radio terminal is located within a coverage of a cell, at least one of the first radio terminal and the second radio terminal to make a preparation for executing a relay by the second radio terminal by utilizing a proximal service.

    MOBILE COMMUNICATION SYSTEM AND USER TERMINAL
    15.
    发明申请
    MOBILE COMMUNICATION SYSTEM AND USER TERMINAL 有权

    公开(公告)号：US20180042062A1

    公开(公告)日：2018-02-08

    申请号：US15783463

    申请日：2017-10-13

    Applicant: KYOCERA CORPORATION

    Inventor： Naohisa MATSUMOTO ,  Kugo MORITA ,  Masato FUJISHIRO ,  Takahiro SAIWAI

    IPC: H04W76/02 ,  H04W8/00 ,  H04W72/02 ,  H04W72/04

    CPC classification number: H04W76/14 ,  H04W8/005 ,  H04W72/02 ,  H04W72/0406 ,  H04W72/042

    Abstract: At least one processor and at least one memory coupled thereto associated with a first user terminal (UT) perform processes of previously storing pre-configuration information not derived from a base station, designating an area of resources for transmitting control information, determining a plurality of first radio resources within the area of resources for transmitting control information from the first UT to a second UT in a case that the first UT is out of coverage of the base station, and directly transmitting to the second UT the control information in each of the plurality of first radio resources by Device-to-Device (D2D) communication, each resource indicating a same at least one subframe of second radio resources to be used for transmitting data by the D2D communication. A second UT includes least one processor and at least one memory coupled thereto receives the control information from the first UT via D2D communication.

    BASE STATION AND MOBILE STATION
    19.
    发明申请
    BASE STATION AND MOBILE STATION 审中-公开

    公开(公告)号：US20170171784A1

    公开(公告)日：2017-06-15

    申请号：US15327520

    申请日：2015-07-24

    Applicant: KYOCERA CORPORATION

    Inventor： Katsuhiro MITSUI ,  Kugo MORITA

    IPC: H04W36/00 ,  H04W36/08 ,  H04W76/02

    CPC classification number: H04W36/0055 ,  H04W36/0033 ,  H04W36/0083 ,  H04W36/08 ,  H04W76/18 ,  H04W76/19 ,  H04W76/20 ,  H04W88/02 ,  H04W88/08

    Abstract: A base station includes a controller configured to perform connection reestablishment processing on a specific mobile station in response to reception of a connection reestablishment request signal from the specific mobile station from which a radio link failure with another base station has been detected. The controller performs processing of changing a value of a predetermined timer configured to a subordinate mobile station of the base station or the another base station based on information related to a situation of the connection reestablishment processing. The predetermined timer is a timer configured to define a maximum waiting time from transmission of the connection reestablishment request signal to reception of a connection reestablishment response signal in the mobile station.

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