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    Communication method, user terminal and processor
    82.
    发明授权
    Communication method, user terminal and processor 有权

    公开(公告)号：US10536888B2

    公开(公告)日：2020-01-14

    申请号：US16263820

    申请日：2019-01-31

    Applicant: KYOCERA Corporation

    Inventor： Masato Fujishiro ,  Noriyoshi Fukuta ,  Yushi Nagasaka ,  Henry Chang ,  Hiroyuki Adachi

    IPC: H04W36/00 ,  H04W36/16 ,  H04W16/32 ,  H04W48/16 ,  H04W36/24

    Abstract: In a communication method, a user equipment receives system information broadcast from a current serving cell of the user equipment and indicating frequencies different from a frequency of the current serving cell, the user equipment receives a paging signal from the current serving cell that is different from the system information and includes a request message requesting the user equipment to perform frequency redistribution in which the user equipment selects a target frequency, and performs the frequency redistribution in response to receiving the paging signal including the request message. Performing the frequency redistribution comprises the user equipment measuring quality of the frequencies included in the system information received from the current serving cell in response to receiving the paging signal including the request message, and selecting the target frequency based on a result of the measuring. The user equipment reselects a serving cell on the selected target frequency.

    User terminal, network apparatus, and processor
    83.
    发明授权
    User terminal, network apparatus, and processor 有权

    公开(公告)号：US10425881B2

    公开(公告)日：2019-09-24

    申请号：US15439426

    申请日：2017-02-22

    Applicant: KYOCERA CORPORATION

    Inventor： Masato Fujishiro ,  Chiharu Yamazaki ,  Noriyoshi Fukuta ,  Kugo Morita

    IPC: H04W4/00 ,  H04W48/08 ,  H04W48/16 ,  H04W72/04 ,  H04W72/02 ,  H04W48/12 ,  H04W76/14 ,  H04W8/00 ,  H04W88/04

    Abstract: A user terminal according to an embodiment includes a receiver that receives a list transmitted from a base station, the list including discovery resource configurations; and a controller that selects a discovery resource configuration from among the discovery resource configurations, and uses the selected discovery resource configuration to directly transmit a discovery signal to other user terminals. Each of the discovery resource configurations includes: time resource information indicating time resources used for transmitting a discovery signal and including a variable number substituted into a mathematical expression; frequency resource information indicating frequency resources used for transmitting the discovery signal and including a range of continuous resource block numbers; and power information indicating transmission power used for transmitting the discovery signal.

    Base station and radio terminal
    85.
    发明授权
    Base station and radio terminal 有权

    公开(公告)号：US10390256B2

    公开(公告)日：2019-08-20

    申请号：US15812804

    申请日：2017-11-14

    Applicant: KYOCERA CORPORATION

    Inventor： Takahiro Saiwai ,  Hiroyuki Adachi ,  Noriyoshi Fukuta ,  Masato Fujishiro

    IPC: H04W28/02 ,  H04W72/04 ,  H04W92/18 ,  H04W76/14 ,  H04W72/12 ,  H04W88/04

    Abstract: A communication method according to an embodiment, comprising: transmitting, from a base station to a radio terminal, a list indicating association between an identification of a logical channel group and a priority; generating, by the radio terminal, a buffer status report for direct communication; and transmitting, from the radio terminal to the base station, the buffer status report. The buffer status report includes an index of an destination identifier, an identifier of the logical channel group, and a buffer amount associated with the identifier of the logical channel group. In the generating the buffer status report, the radio terminal generates the buffer status report based on the list.

    Radio base station and user terminal
    86.
    发明授权
    Radio base station and user terminal 有权

    公开(公告)号：US10306637B2

    公开(公告)日：2019-05-28

    申请号：US15582986

    申请日：2017-05-01

    Applicant: KYOCERA CORPORATION

    Inventor： Noriyoshi Fukuta ,  Naohisa Matsumoto ,  Hiroyuki Urabayashi ,  Henry Chang

    IPC: H04W4/00 ,  H04W72/04 ,  H04W16/14 ,  H04L5/00 ,  H04W72/08

    Abstract: A radio base station according to an embodiment is a radio base station configured to use a specific frequency band which includes a plurality of component carriers having a predetermined bandwidth and which is allowed to be utilized by a plurality of network operators or a plurality of communication systems. The radio base station comprises: a controller configured to select, from among the plurality of component carriers, a target component carrier in which a reference signal used in the specific frequency band should be transmitted; and a transmitter configured to use the target component carrier to transmit the reference signal. The controller selects, as the target component carrier, a first component carrier that satisfies a first condition. The first condition is that an interference power amount falls below a predetermined threshold value.

    System and method for controlling a report about link status monitoring result acquired by mobile station and transmitted to a base station
    87.
    发明授权
    System and method for controlling a report about link status monitoring result acquired by mobile station and transmitted to a base station 有权

    公开(公告)号：US10292075B2

    公开(公告)日：2019-05-14

    申请号：US15845374

    申请日：2017-12-18

    Applicant: KYOCERA CORPORATION

    Inventor： Noriyoshi Fukuta

    IPC: H04W16/14 ,  H04W36/00 ,  H04W24/10 ,  H04L12/26 ,  H04W40/00 ,  H04W4/02 ,  H04W48/18 ,  H04J11/00 ,  H04W88/06

    Abstract: A radio base station and method comprise transmitting a message including measurement parameters to a radio terminal being in a connected state, and receiving measurement results of radio environment, location information, and a time stamp from the radio terminal in response to the radio terminal transitioning from an idle state to a connected state, the measurement results being measured by the radio terminal during the idle state. A network including the radio base station uses the measurement results to detect coverage problems of the network. The measurement results include a first measurement result for a first frequency band measured by the radio terminal in accordance with the measurement parameters, and the measurement results further comprise a second measurement result for a second frequency band measured by the radio terminal during the idle state even when the measurement parameters do not include a measurement instruction for the second frequency band.

    Communication method, user terminal and processor
    88.
    发明授权
    Communication method, user terminal and processor 有权

    公开(公告)号：US10244449B2

    公开(公告)日：2019-03-26

    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: H04W36/00 ,  H04W36/16 ,  H04W16/32 ,  H04W48/16 ,  H04W36/24

    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.

    Communication control method, base station, and user terminal
    89.
    发明授权
    Communication control method, base station, and user terminal 有权

    公开(公告)号：US10200848B2

    公开(公告)日：2019-02-05

    申请号：US15642125

    申请日：2017-07-05

    Applicant: KYOCERA CORPORATION

    Inventor： Masato Fujishiro ,  Noriyoshi Fukuta

    IPC: H04W4/00 ,  H04W8/00 ,  H04W52/24 ,  H04W52/38 ,  H04W72/04 ,  H04W72/08 ,  H04W88/06 ,  H04W88/10

    Abstract: A communication control method is used in a mobile communication system that supports cellular communication in which a data path passes through a core network, and D2D communication that is direct device-to-device communication in which a data path does not pass through the core network. The communication control method comprises: a transmission step of transmitting, by a first user terminal that camps on a cell of a first base station, a discovery-use signal related to the discovery of a proximal terminal be capable of a communication partner of the D2D communication; and a notification step of notifying, by a communication device, the first base station of interference information related to the received discovery-use signal in response to the communication device receiving the discovery-use signal.

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