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公开(公告)号：US12088520B2
公开(公告)日：2024-09-10
申请号：US17606600
申请日：2019-05-01
Applicant: NTT DOCOMO, INC.
Inventor： Naoki Fujimura
IPC: H04L5/00 , H04B7/0408 , H04B7/06
CPC classification number: H04L5/0048 , H04B7/0408 , H04B7/0695
Abstract: A user device includes a receiver configured to receive, from a base station, a signal containing one or more transmission configuration indication information items; and a controller configured to determine whether an assumption of a QCL (Quasi-Co-Location) relationship between a first signal and a second signal is valid, based on the one or more transmission configuration indication information items, wherein the controller performs an operation with respect to the first signal in accordance with a result of the determination.
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公开(公告)号：US11917438B2
公开(公告)日：2024-02-27
申请号：US17290909
申请日：2018-11-09
Applicant: NTT DOCOMO, INC.
Inventor： Naoki Fujimura , Takuma Takada
Abstract: A user device includes a receiving unit that receives from a base station device a measurement configuration including a condition for triggering a measurement report; a control unit that executes a measurement based on the measurement configuration; and a transmitting unit that transmits a measurement report to the base station device in response to the condition for triggering a measurement report being met, wherein the control unit modifies the measurement configuration based on a parameter indicating mobility capability or based on a type of user device.
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公开(公告)号：US20220303811A1
公开(公告)日：2022-09-22
申请号：US17608903
申请日：2019-05-10
Applicant: NTT DOCOMO, INC.
Inventor： Yuichi Kakishima , Takuma Takada , Naoki Fujimura , Hiroki Harada
Abstract: A user equipment includes a transmitting unit that transmits a measurement result of a secondary cell; a receiving unit that receives a signal to activate the secondary cell; and a control unit that uses previously obtained information of the secondary cell to activate the secondary cell when a predetermined condition associated with a power class of the user equipment is satisfied.
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公开(公告)号：US12088515B2
公开(公告)日：2024-09-10
申请号：US17431129
申请日：2019-02-14
Applicant: NTT DOCOMO, INC.
Inventor： Takuma Takada , Hiroki Harada , Naoki Fujimura
IPC: H04L5/00
CPC classification number: H04L5/001 , H04L5/0066 , H04L5/0094 , H04L5/0098
Abstract: A user equipment executes carrier aggregation using a plurality of component carriers allocated in a predetermined band in a predetermined frequency range (FR2). In a case where only a plurality of secondary component carriers is allocated in the predetermined band, the user equipment selects a secondary component carrier that is a reception quality measurement target among the plurality of secondary component carriers. In addition, the user equipment transmits a reception quality measurement result.
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公开(公告)号：US20220201504A1
公开(公告)日：2022-06-23
申请号：US17439260
申请日：2019-03-20
Applicant: NTT DOCOMO, INC.
Inventor： Naoki Fujimura , Takuma Takada , Yuichi Kakishima
Abstract: A user equipment includes a reception unit that performs a measurement for determining an optimum beam from among a plurality of reception beams that is usable in the user equipment; and a control unit that selects, based on information of a past measurement by the reception unit, a reception beam to be used in the user equipment, upon receiving, by the reception unit, a signal including information indicating to update a configuration.
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Patent Agency Ranking
公开(公告)号：US20220174529A1
公开(公告)日：2022-06-02
申请号：US17441541
申请日：2019-03-29
Applicant: NTT DOCOMO, INC.
Inventor： Takuma Takada , Naoki Fujimura
Abstract: Provided is a user equipment including: a receiving unit that receives at least one of configuration information of inter-radio access technology (RAT) measurement in a frequency range (FR ) 2, configuration information of inter-RAT measurement other than the FR2, and configuration information of a measurement gap for each user equipment from a base station apparatus; and a control unit that performs the inter-RAT measurement other than the FR2 within the measurement gap for each user equipment and performs the inter-RAT measurement in the FR2 outside the measurement gap for each user equipment.
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公开(公告)号：US11968545B2
公开(公告)日：2024-04-23
申请号：US17441561
申请日：2019-03-29
Applicant: NTT DOCOMO, INC.
Inventor： Takuma Takada , Hiroki Harada , Naoki Fujimura
Abstract: A user equipment includes a receiving unit that receives a reference signal from a secondary cell; a transmitting unit that transmits a result of a measurement of the reference signal; and a control unit that selects, when the secondary cell is deactivated after the transmitting unit transmits the result of the measurement and the secondary cell is reactivated, and when a time interval from a timing at which the transmitting unit transmits the result of the measurement until a timing at which the secondary cell is reactivated is within a predetermined time interval, a receiving beam that is applied to the secondary cell upon transmitting the result of the measurement by the transmitting unit, as a receiving beam to be applied to the reactivated secondary cell.
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公开(公告)号：US20220322122A1
公开(公告)日：2022-10-06
申请号：US17596157
申请日：2019-06-14
Applicant: NTT DOCOMO, INC.
Inventor： Naoki Fujimura , Takuma Takada
Abstract: A terminal includes a reception unit that receives, from a base station, a configuration related to at least one of measurement and reporting, a control unit that performs the measurement based on the configuration related to the at least one of the measurement and the reporting, and a transmission unit that transmits a measurement report to the base station based on the result of the performed measurement. The control unit limits a period related to the measurement or changes the number of times an operation related to the measurement is performed based on whether the terminal is in a specific environment.
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公开(公告)号：US20220117029A1
公开(公告)日：2022-04-14
申请号：US17265390
申请日：2018-08-09
Applicant: NTT DOCOMO, INC.
Inventor： Takuma Takada , Hiroki Harada , Naoki Fujimura
Abstract: A terminal is disclosed including a receiver that receives an instruction for a quality measurement of a cell in Dual Connectivity (DC), the cell being in an unconnected state; and a processor that performs the quality measurement in accordance with the instruction, wherein the processor performs the quality measurement in a measurement period based on a discontinuous reception configuration in a Secondary Cell Group (SCG). In other aspects, a measurement method for a terminal is also disclosed.
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公开(公告)号：US20210392536A1
公开(公告)日：2021-12-16
申请号：US17290909
申请日：2018-11-09
Applicant: NTT DOCOMO, INC.
Inventor： Naoki Fujimura , Takuma Takada
Abstract: A user device includes a receiving unit that receives from a base station device a measurement configuration including a condition for triggering a measurement report; a control unit that executes a measurement based on the measurement configuration; and a transmitting unit that transmits a measurement report to the base station device in response to the condition for triggering a measurement report being met, wherein the control unit modifies the measurement configuration based on a parameter indicating mobility capability or based on a type of user device.
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