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    MOBILE COMMUNICATION METHOD AND USER TERMINAL
    1.
    发明申请
    MOBILE COMMUNICATION METHOD AND USER TERMINAL 审中-公开

    公开(公告)号：US20190320306A1

    公开(公告)日：2019-10-17

    申请号：US16399833

    申请日：2019-04-30

    Applicant: KYOCERA Corporation

    Inventor： Hiroyuki URABAYASHI ,  Masato FUJISHIRO ,  Hiroyuki ADACHI

    IPC: H04W4/80 ,  H04W72/04 ,  H04W88/02 ,  H04W76/27 ,  H04W80/02

    Abstract: A mobile communication method is a mobile communication method for performing communication between a base station and a user terminal by using a narrow band having a predetermined bandwidth. The mobile communication method comprises: a step of performing, by the user terminal, first communication related to control information by using a first narrow band in an n-th subframe; and a step of performing, by the user terminal, second communication related to user data by using a second narrow band different from the first narrow band in an (n+1)-th subframe. A symbol time region at an end of the n-th subframe and/or a symbol time region at a head of the (n+1)-th subframe are non-used regions provided for the user terminal to switch from the first narrow band to the second narrow band.

    RADIO TERMINAL AND BASE STATION
    2.
    发明申请
    RADIO TERMINAL AND BASE STATION 审中-公开

    公开(公告)号：US20190268969A1

    公开(公告)日：2019-08-29

    申请号：US16345754

    申请日：2017-11-01

    Applicant: KYOCERA Corporation

    Inventor： Hiroyuki ADACHI

    IPC: H04W88/02 ,  H04W80/02 ,  H04W28/06 ,  H04W72/14 ,  H04W76/27

    Abstract: A radio terminal according to one embodiment comprises a processor. The processor is configured to: forward a data unit from an RLC layer to a MAC layer prior to receiving an uplink grant from a base station; receive the uplink grant for determining a predetermined transport block size from the base station; generate a transport block by performing concatenation or segmentation on the data unit according to the predetermined transport block size in the MAC layer; and transmit the generated transport block to the base station via a PHY layer. The processor is configured to receive TBS information indicating a minimum guaranteed value of a transport block size from the base station. The predetermined transport block size is a value equal to or larger than the minimum guaranteed value.

    RADIO TERMINAL AND BASE STATION
    3.
    发明申请
    RADIO TERMINAL AND BASE STATION 审中-公开

    公开(公告)号：US20190222983A1

    公开(公告)日：2019-07-18

    申请号：US16368151

    申请日：2019-03-28

    Applicant: KYOCERA Corporation

    Inventor： Hiroyuki ADACHI

    IPC: H04W4/40 ,  H04W72/02 ,  H04W76/27

    CPC classification number: H04W4/40 ,  H04W8/22 ,  H04W72/02 ,  H04W72/08 ,  H04W76/27 ,  H04W92/18

    Abstract: A user equipment as a pedestrian user equipment (UE) performs P2X communication that is a direct inter-terminal communication with another user equipment. The user equipment receives a message including a resource pool from a base station. When the user equipment is in a radio resource control (RRC) idle state, determines whether or not the message include a resource pool for the P2X communication. In accordance with a determination that the message does not include the resource pool for the P2X communication, transitions from the RRC idle state to an RRC connected state for requesting a radio resource for the P2X communication to the base station.

    RADIO TERMINAL AND WWAN-SUPPORTING BASE STATION
    6.
    发明申请
    RADIO TERMINAL AND WWAN-SUPPORTING BASE STATION 审中-公开

    公开(公告)号：US20180192346A1

    公开(公告)日：2018-07-05

    申请号：US15882765

    申请日：2018-01-29

    Applicant: KYOCERA CORPORATION

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

    IPC: H04W36/30 ,  H04W36/00 ,  H04W72/04

    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.

    USER TERMINAL AND CONTROL METHOD
    7.
    发明申请
    USER TERMINAL AND CONTROL METHOD 审中-公开

    公开(公告)号：US20180115882A1

    公开(公告)日：2018-04-26

    申请号：US15564712

    申请日：2016-04-06

    Applicant: KYOCERA CORPORATION

    Inventor： Hiroyuki ADACHI

    IPC: H04W8/00 ,  H04W72/02 ,  H04W72/04 ,  H04W56/00

    Abstract: A user terminal according to a first embodiment is used in a mobile communication system configured to support Device to Device (D2D) communication that is direct device-to-device communication. The user terminal comprises a transmitter configured to transmit, out of a cell coverage, a signal to another user terminal synchronized with the user terminal; a receiver configured to receive a signal from the another user terminal; a storage configured to store a D2D discovery signal resource pool, and a transmission probability parameter indicating a probability of transmission of a D2D discovery signal in the D2D discovery signal resource pool; and a controller configured to execute a process of adjusting the transmission probability parameter in accordance with a resource usage amount in the D2D discovery signal resource pool.

    COMMUNICATION METHOD, USER TERMNAL AND PROCESSOR
    8.
    发明申请
    COMMUNICATION METHOD, USER TERMNAL AND PROCESSOR 审中-公开

    公开(公告)号：US20180035342A1

    公开(公告)日：2018-02-01

    申请号：US15727401

    申请日：2017-10-06

    Applicant: KYOCERA CORPORATION

    Inventor： Masato FUJISHIRO ,  Noriyoshi FUKUTA ,  Yushi NAGASAKA ,  Henry CHANG ,  Hiroyuki ADACHI

    IPC: H04W36/16 ,  H04W36/24 ,  H04W48/16 ,  H04W36/00

    CPC classification number: H04W36/16 ,  H04W16/32 ,  H04W36/00 ,  H04W36/0083 ,  H04W36/24 ,  H04W48/16

    Abstract: A communication method according to an embodiment comprises: a step of performing, by a user terminal, a reselection of a target cell to be used as a serving cell from among a plurality of cells operated at different frequencies. The step of performing the reselection of the target cell comprises: a first reselection step of performing, by the user terminal, the reselection of the target cell in a response to reception of a paging signal for requesting the reselection of the target cell from a current serving cell; and a second reselection step of performing, by the user terminal, the reselection of the target cell in a response to a trigger without dependence on the paging signal. In the first reselection step, the user terminal starts measurement of a quality of a measurement target frequency included in system information broadcast from the current serving cell, in response to the reception of the paging signal.

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