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公开(公告)号：US11284371B2
公开(公告)日：2022-03-22
申请号：US16322536
申请日：2017-08-03
Applicant: NTT DOCOMO, INC.
Inventor： Kazuaki Takeda , Hiroki Harada , Kazuki Takeda , Satoshi Nagata , Yuichi Kakishima
Abstract: The present invention is designed so that beamforming can be executed properly even when user terminals are in idle mode. A user terminal according to the present invention communicates with a radio base station that uses a plurality of beam patterns, and has a receiving section that performs a receiving process for paging information which is transmitted in varying beam patterns, in a paging time period comprised of a plurality of unit periods, and a transmission section that transmits a response signal in response to receipt of the paging information.
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公开(公告)号：US20220070679A1
公开(公告)日：2022-03-03
申请号：US17312683
申请日：2018-12-13
Applicant: NTT DOCOMO, INC.
Inventor： Hiroki Harada , Daisuke Murayama , Satoshi Nagata
Abstract: This base station is provided with: a control unit that controls a setting related to the use, by a second wireless device, of a wireless resource assigned to a first wireless device; and a transmission unit that transmits information indicating the setting to the second wireless device.
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公开(公告)号：US11252683B2
公开(公告)日：2022-02-15
申请号：US16622137
申请日：2017-06-15
Applicant: NTT DOCOMO, INC.
Inventor： Hiroki Harada , Daiki Takeda , Satoshi Nagata
Abstract: SS block identification information is identified with high reliability and/or low complexity. According to one aspect of the present invention, a user terminal has a receiving section that receives a synchronization signal (SS) block, which includes a synchronization signal and a broadcast channel; and a control section that specifies identification information of the SS block, based on at least one of a difference of demodulation reference signal sequences for the broadcast channel, a difference of mapping pattern of the reference signal sequences, and a difference of frequency position to which the reference signal sequences are mapped, among a plurality of symbols in the SS block.
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公开(公告)号：US20220007401A1
公开(公告)日：2022-01-06
申请号：US17293550
申请日：2019-08-23
Applicant: NTT DOCOMO, INC.
Inventor： Hiroki Harada
Abstract: A wireless node (10) receives first information on availability of a resource of at least one of a wireless backhaul link and a wireless access link. The wireless node (10) controls, when receiving second information on a configuration of the resource, the availability of the resource based on the second information.
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公开(公告)号：US20210409988A1
公开(公告)日：2021-12-30
申请号：US16613917
申请日：2017-05-16
Applicant: NTT DOCOMO, INC.
Inventor： Hiroki Harada , Satoshi Nagata , Jing Wang , Liu Liu , Weiqi Sun , Yong Li
Abstract: RRM measurement is conducted appropriately. According to one aspect of the present invention, a user terminal has a receiving section that receives information about a measurement gap pattern for use in measurement of a plurality of synchronization signal blocks, and a measurement section that measures the synchronization signal blocks in a measurement gap.
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Patent Agency Ranking
公开(公告)号：US20210399859A1
公开(公告)日：2021-12-23
申请号：US17464072
申请日：2021-09-01
Applicant: NTT DOCOMO, INC.
Inventor： Kazuki Takeda , Hiroki Harada , Satoshi Nagata
Abstract: A terminal is disclosed that includes a processor that, in case where frequency division duplex (FDD) is applied, controls a transmission of an uplink (UL) signal, in FDD, at a same timing as a UL transmission timing that is applied in time division duplex (TDD). The terminal also includes a receiver that receives a downlink control information (DCI), and a physical downlink shared channel (PDSCH) scheduled by the DCI. The terminal also includes a transmitter that transmits a HARQ-ACK in response to the PDSCH. The reception of the DCI and the transmission of the HARQ-ACK are allowed within one slot. In other aspects, a radio communication method, a base station, and a system are also disclosed.
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公开(公告)号：US20210360665A1
公开(公告)日：2021-11-18
申请号：US17280466
申请日：2018-09-28
Applicant: NTT DOCOMO, INC.
Inventor： Hideaki Takahashi , Kazuki Takeda , Hiroki Harada
Abstract: A user terminal according to one aspect of the present disclosure includes a receiving section that receives downlink control information including a given field indicating a frequency domain resource assigned to a downlink shared channel, and a control section that controls reception of the downlink shared channel based on whether or not a control resource set for a common search space is configured based on a master information block (MIB).
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公开(公告)号：US20210352602A1
公开(公告)日：2021-11-11
申请号：US17383061
申请日：2021-07-22
Applicant: NTT DOCOMO, INC.
Inventor： Hiroki Harada , Kazuki Takeda , Satoshi Nagata
Abstract: A terminal is disclosed that includes a receiver that receives by higher layer signaling in a first cell, when a plurality of cells including the first cell and a second cell are configured, information related to a synchronization signal block index indicated by using a bitmap. The terminal also includes a controller that controls a reception of a synchronization signal block based on the information related to the synchronization signal block index. In other aspects, a radio communication method, a base station, and a system are also disclosed.
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公开(公告)号：US20210345262A1
公开(公告)日：2021-11-04
申请号：US17268775
申请日：2018-08-17
Applicant: NTT DOCOMO, INC.
Inventor： Hiroki Harada
Abstract: The radio communication apparatus according to one aspect of the present disclosure includes a transmitting/receiving unit that communicates with an integrated access backhaul (IAB) node, and a control unit that determines timing control of at least one of transmission or reception based on information received from the IAB node. According to one aspect of the present disclosure, transmission/reception timings of an IAB node can be appropriately controlled.
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公开(公告)号：US20210329540A1
公开(公告)日：2021-10-21
申请号：US17273208
申请日：2018-09-14
Applicant: NTT DOCOMO, INC.
Inventor： Hiroki Harada
Abstract: According to one aspect of the present disclosure, a radio backhaul can be appropriately detected and measured. A radio communication apparatus includes a receiving unit that receives a first signal periodically transmitted from a first node connected to the radio communication apparatus via a radio backhaul link and a second node not connected to the radio communication apparatus, and receives a second signal at a timing different from that of the first signal, and a control unit that determines a candidate of a switching destination of the radio backhaul link based on the first signal and switches the radio backhaul link based on the second signal.
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