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122.发明公开
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公开(公告)号：EP3605862A1
公开(公告)日：2020-02-05
申请号：EP17902397.3
申请日：2017-03-23
申请人： NTT DOCOMO, INC.
发明人： TAKEDA, Kazuaki , HARADA, Hiroki , TAKEDA, Kazuki , NAGATA, Satoshi , KAKISHIMA, Yuichi , NA, Chongning
IPC分类号： H04B7/0413 , H04B7/06
摘要： The present invention designed so that beam recovery can be triggered properly. A user terminal, according to the present invention, has a transmission section that transmits a signal for requesting switching of an active beam that is used to transmit a downlink signal, and a control section that controls transmission of the request signal based on first received power, which is measured using a channel state information reference signal (CSI-RS) resource that is associated with the active beam, and a predetermined threshold, and the control section controls the transmission of the request signal based on the first received power and second received power, which is measured using a CSI-RS resource that is associated with an inactive beam.
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公开(公告)号：EP3577844A1
公开(公告)日：2019-12-11
申请号：EP18708505.5
申请日：2018-02-02
申请人： NTT DOCOMO, INC.
IPC分类号： H04L5/00
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公开(公告)号：EP3567738A1
公开(公告)日：2019-11-13
申请号：EP18736431.0
申请日：2018-01-05
申请人： NTT DOCOMO, INC.
发明人： TAKEDA, Kazuaki , NAGATA, Satoshi , NA, Chongning , WANG, Xin , JIANG, Huiling , KAKISHIMA, Yuichi
摘要： The present invention is designed so that interference measurements are configured flexibly even when transmission is made in multiple layers. A user terminal has a receiving section that receives a DL signal, and a control section that controls the measurement of the DL signal, the receiving section receives information related to an interference measurement resource including a combination of a plurality of ports and/or channels, and the control section controls the measurement of the DL signal based on the information related to the interference measurement resource.
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公开(公告)号：EP3496508A1
公开(公告)日：2019-06-12
申请号：EP17837009.4
申请日：2017-08-02
申请人： NTT DOCOMO, INC.
摘要： The present invention is designed to suitably reduce the decrease of throughput when communication is carried out using beamforming. A user terminal, according to one aspect of the present invention, has a control section that controls formation of a beam for use in transmitting an uplink signal, and a transmission section that transmits information about a characteristic of a transmitter/receiver, and, after the information about the characteristic of the transmitter/receiver is transmitted, the control section determines whether the beam is formed based on downlink channel information or uplink channel information.
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公开(公告)号：EP3337216A1
公开(公告)日：2018-06-20
申请号：EP16835154.2
申请日：2016-08-08
申请人： NTT DOCOMO, INC.
发明人： NAGATA, Satoshi , KAKISHIMA, Yuichi , WANG, Xin , NA, Chongning , HOU, Xiaolin , JIANG, Huiling
CPC分类号： H04W72/121 , H04B7/0452 , H04W72/1289
摘要： According to an aspect of the present invention, there is provided a radio resource scheduling method, wherein the method includes generating format information, wherein the format information specifies a format of resource allocation information, the format corresponding to a number of a plurality of mobile stations that simultaneously perform communication with the radio base station; generating the resource allocation information provided with the format specified by the format information corresponding to radio resources allocated to the plurality of mobile stations; and transmitting, to the plurality of mobile stations, the resource allocation information.
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