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公开(公告)号：US20220345906A1
公开(公告)日：2022-10-27
申请号：US17754288
申请日：2019-10-03
Applicant: NTT DOCOMO, INC.
Inventor： Yuichi Kakishima , Takuma Takada
Abstract: A terminal includes a receiving unit that receives scheduling information; and a control unit that continues, in a case where the receiving unit receives the scheduling information within a delay time for switching a maximum number of Multiple-Input and Multiple-Output (MIMO) layers, an operation for switching the maximum number of MIMO layers and ignores the scheduling information.
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公开(公告)号：US20220345199A1
公开(公告)日：2022-10-27
申请号：US17765247
申请日：2019-10-03
Applicant: NTT DOCOMO, INC.
Inventor： Tomoki Yokokawa , Yuichi Kakishima , Takuma Takada
Abstract: A terminal includes a control unit that calculates a delay time for an L3 measurement based a periodicity of a reference signal and at least one of a number of samples used for the L3 measurement, a coefficient indicating an overlap between a timing of the L3 measurement and a measurement other than the L3 measurement, or a coefficient indicating switching of a reception beam.
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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：US20220295370A1
公开(公告)日：2022-09-15
申请号：US17635229
申请日：2019-08-15
Applicant: NTT DOCOMO, INC.
Inventor： Takuma Takada
Abstract: A terminal determines an interrupt time applied to a transition from a transition source cell to a transition destination cell. Specifically, the terminal changes a value of the interrupt time based on a combination of subcarrier spacings set in the transition source cell and the transition destination cell.
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公开(公告)号：US12289700B2
公开(公告)日：2025-04-29
申请号：US17433089
申请日：2020-02-17
Applicant: NTT DOCOMO, INC.
Inventor： Daiki Takeda , Kazuaki Takeda , Takayuki Isogawa , Takuma Takada
Abstract: A terminal includes a receiving unit that receives information indicating whether each condition of one or more conditions for validating a time alignment is activated or deactivated; and a control unit that independently activates or deactivates each condition of the one or more conditions in accordance with the received information.
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Patent Agency Ranking
公开(公告)号：US12075274B2
公开(公告)日：2024-08-27
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：US12022346B2
公开(公告)日：2024-06-25
申请号：US17635229
申请日：2019-08-15
Applicant: NTT DOCOMO, INC.
Inventor： Takuma Takada
CPC classification number: H04W36/18 , H04L27/26025 , H04W36/0061
Abstract: A terminal determines an interrupt time applied to a transition from a transition source cell to a transition destination cell. Specifically, the terminal changes a value of the interrupt time based on a combination of subcarrier spacings set in the transition source cell and the transition destination cell.
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公开(公告)号：US11930553B2
公开(公告)日：2024-03-12
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：US20230361892A1
公开(公告)日：2023-11-09
申请号：US17756988
申请日：2019-12-13
Applicant: NTT DOCOMO, INC.
Inventor： Yuichi Kakishima , Takuma Takada
IPC: H04B17/318 , H04L5/00
CPC classification number: H04B17/328 , H04L5/0048
Abstract: A terminal includes a receiving unit that receives a reference signal for acquiring a channel state and a control unit that performs measurement related to RSRP (Reference signal received power), based on a result of receiving the reference signal, and subcarrier spacing to be applied to the reference signal.
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公开(公告)号：US20230051987A1
公开(公告)日：2023-02-16
申请号：US17793850
申请日：2020-01-24
Applicant: NTT DOCOMO, INC.
Inventor： Hiroki Harada , Takuma Takada , Satoshi Nagata
IPC: H04W72/04 , H04W56/00 , H04B17/318
Abstract: A terminal including: a reception unit configured to receive, from a base station apparatus, configuration information of a time window for measurement based on an SSB; and a control unit configured to measure based on the SSB, wherein the configuration information includes, as a time length of the time window, a time length selected from a plurality of time lengths including a time length shorter than a predetermined time length, and wherein the control unit performs measurement based on the SSB within a time window of a time length included in the configuration information.
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