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公开(公告)号：EP4290912A3
公开(公告)日：2024-03-13
申请号：EP23206382.6
申请日：2017-08-03
申请人： NTT DOCOMO, INC.
发明人： HARADA, Hiroki , OSAWA, Ryosuke , OHARA, Tomoya , TAKEDA, Kazuaki , NAGATA, Satoshi , KAKISHIMA, Yuichi
摘要： The present invention is designed so that beamforming can be executed properly even when user terminals are in idle mode. A user terminal communicates with a radio base station that uses beamforming, and has a receiving section that receives a synchronization signal and/or a broadcast channel and a paging channel, which are transmitted using a single beam pattern or a plurality of beam patterns; and a control section that exerts control so that at least part of the paging channel is received based on a resource where the synchronization signal and/or the broadcast channel are allocated.
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公开(公告)号：EP4106435A1
公开(公告)日：2022-12-21
申请号：EP20918360.7
申请日：2020-02-13
申请人： NTT DOCOMO, INC.
发明人： KAKISHIMA, Yuichi , HARADA, Hiroki
IPC分类号： H04W72/04
摘要： A terminal includes: a reception unit configured to receive information indicating overhead due to a reference signal of a first RAT (Radio Access Technology); and a control unit configured to determine a transport block size of a data signal of a second RAT based on the information indicating the overhead. The reception unit receives the data signal based on the determined transport block size.
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公开(公告)号：EP4017150A1
公开(公告)日：2022-06-22
申请号：EP19941772.6
申请日：2019-08-15
申请人： NTT DoCoMo, Inc.
发明人： KAKISHIMA, Yuichi , UCHINO, Tooru , TAKADA, Takuma , HOU, Xiaolin , WANG, Lihui
摘要： A terminal includes a receiver that receives an instruction signal indicating to modify a configuration of a radio link monitoring; and a controller that modifies a parameter used for the configuration of the radio link monitoring in accordance with the instruction signal received by the receiver.
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公开(公告)号：EP4016870A1
公开(公告)日：2022-06-22
申请号：EP19940974.9
申请日：2019-08-15
申请人： NTT DOCOMO, INC.
发明人： KAKISHIMA, Yuichi , MATSUMURA, Yuki
摘要： A terminal includes a control unit that uses, in a case where a reference signal associated with a channel satisfies a condition, the reference signal to perform synchronization without referring to a QCL (Quasi-Co-Location) source for the reference signal, and a reception unit that receives the channel after the synchronization is performed by the control unit by using the reference signal.
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公开(公告)号：EP4013145A1
公开(公告)日：2022-06-15
申请号：EP19940723.0
申请日：2019-08-08
申请人： NTT DOCOMO, INC.
摘要： A terminal according to an aspect of the present disclosure includes a control section that reduces a resource to which at least one of an uplink channel and a sounding reference signal (SRS) is mapped, in a case that a first resource provided for the uplink channel overlaps a second resource provided for the SRS, and a transmitting section that performs at least one of a transmission of the uplink channel and a transmission of the SRS. According to an aspect of the present disclosure, in a case that a resource provided for an uplink transmission overlaps a resource provided for an SRS, appropriate processing is performed.
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公开(公告)号：EP4002909A1
公开(公告)日：2022-05-25
申请号：EP19938204.5
申请日：2019-07-19
申请人： NTT DOCOMO, INC.
摘要： A terminal according to one aspect of the present disclosure includes: a control section that assumes that different radio resources are allocated to a connected first serving cell and a second serving cell different from the connected first serving cell; and a transmitting/receiving section that limits transmission and reception of a certain channel or signal in a radio resource used by the second serving cell. According to one aspect of the present disclosure, even when there are terminals according to different releases, each of the terminals can appropriately perform communication.
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公开(公告)号：EP3989629A1
公开(公告)日：2022-04-27
申请号：EP19934172.8
申请日：2019-06-19
申请人： NTT DOCOMO, INC.
发明人： KAKISHIMA, Yuichi , MATSUMURA, Yuki
摘要： A terminal including a reception unit configured to receive a plurality of resources from a base station device, a control unit configured to select one or more resources among the plurality of resources based on a reception quality of the plurality of resources, and a transmission unit configured to transmit information of the one or more resources to the base station device is provided.
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公开(公告)号：EP3826197A1
公开(公告)日：2021-05-26
申请号：EP18926537.4
申请日：2018-07-20
申请人： NTT DoCoMo, Inc.
IPC分类号： H04B7/0417 , H04W24/10
摘要： A user terminal according to one aspect of the present disclosure includes a transmitting section that transmits a first beam report that is a periodic or semi-persistent beam report, and a control section that determines skip of transmission of the first beam report, based on a specific condition or certain signaling. According to one aspect of the present disclosure, overhead of a beam report can be reduced appropriately.
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公开(公告)号：EP3621211A1
公开(公告)日：2020-03-11
申请号：EP17908273.0
申请日：2017-05-01
申请人： NTT DOCOMO, INC.
IPC分类号： H04B7/06 , H04B7/0413 , H04W16/28 , H04W88/02
摘要： According to one aspect of the present invention, a user terminal has a receiving section that receives determining information for determining policies in autonomous selection of transmitting beams, a control section that selects, as a transmitting beam, a beam where a measurement result of a predetermined criterion fulfills a predetermined condition, based on the determining information, and a transmission section that transmits a signal using the selected transmitting beam. According to one aspect of the present invention, even when UE is allowed to select beams, it is possible to reduce the decline in communication throughput and so forth.
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公开(公告)号：EP3567893A1
公开(公告)日：2019-11-13
申请号：EP18736588.7
申请日：2018-01-05
申请人： NTT DOCOMO, INC.
发明人： TAKEDA, Kazuaki , NAGATA, Satoshi , NA, Chongning , LIU, Min , JIANG, Huiling , KAKISHIMA, Yuichi
摘要： The invention is designed to switch beams quickly. A user terminal, according to the present invention, has a receiving section that receives a downlink (DL) signal, and a control section that controls a beam to use to transmit and/or receive the DL signal. When the DL signal is transmitted and/or received using one or more candidate beams, the control section selects the beam based on the measurement results of the demodulation reference signals of one or more antenna ports that respectively correspond to the one or more candidate beams.
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