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101.发明授权公开(公告)号：US11296746B2
公开(公告)日：2022-04-05
申请号：US16650820
申请日：2018-09-11
Applicant: NTT DOCOMO, INC.
Inventor： Wenjia Liu , Xiaolin Hou , Qin Mu , Liu Liu
Abstract: Provided in embodiments of the present disclosure are a method for selecting spreading sequences, a method for adjusting a transmission power and communication apparatuses. The method for selecting spread sequences according to the embodiments of the present disclosure includes: obtaining received powers of a plurality of user groups at a receiving end; determining spread sequence groups for the user groups in a spreading sequence set according to the obtained received powers.
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公开(公告)号：US20220086895A1
公开(公告)日：2022-03-17
申请号：US17533756
申请日：2021-11-23
Applicant: NTT DOCOMO, INC.
Inventor： Kazuki Takeda , Satoshi Nagata , Qin Mu , Liu Liu , Chongning Na , Xin Wang , Jing Wang , Lihui Wang , Min Liu , Huiling Jiang
Abstract: An apparatus is disclosed including a receiver that receives a downlink control information and a downlink shared channel that is scheduled by the downlink control information; a processor that determines an allocation of the downlink shared channel in a time domain based on a first timing indicated by a first time unit and a second timing indicated by a second time unit that are obtained from information notified by the downlink control information; and an output apparatus that outputs information based on the downlink shared channel, wherein the first timing is defined based on a numerology of the downlink shared channel. In other aspects, a system is also disclosed.
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公开(公告)号：US11240819B2
公开(公告)日：2022-02-01
申请号：US16622830
申请日：2017-06-15
Applicant: NTT DOCOMO, INC.
Inventor： Kazuki Takeda , Satoshi Nagata , Qin Mu , Liu Liu
Abstract: A terminal is disclosed including a receiver that receives information on a control resource set including a candidate of a downlink control channel, and a processor that assumes a resource corresponding to the downlink control channel is an unavailable resource for downlink data when the control resource set overlaps with the downlink data. In other aspects, a radio communication method for a terminal is also disclosed.
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公开(公告)号：US11219056B2
公开(公告)日：2022-01-04
申请号：US16494426
申请日：2017-03-17
Applicant: NTT DOCOMO, INC.
Inventor： Kazuki Takeda , Satoshi Nagata , Qin Mu , Liu Liu , Chongning Na , Xin Wang , Jing Wang , Lihui Wang , Min Liu , Huiling Jiang
Abstract: A terminal is disclosed including a receiver that receives a downlink control information and a downlink shared channel that is scheduled by the downlink control information. The terminal also includes a processor that determines an allocation of the downlink shared channel in a time domain based on a first timing indicated by a first time unit and a second timing indicated by a second time unit that are obtained from information notified by the downlink control information. In other aspects, a radio communication method is also disclosed.
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公开(公告)号：US11140658B2
公开(公告)日：2021-10-05
申请号：US16324084
申请日：2017-08-09
Applicant: NTT DOCOMO INC.
Inventor： Huan Wang , Liu Liu , Qin Mu , Qun Zhao , Huiling Jiang
Abstract: Embodiments of the present invention provide a method for information transmitting, receiving and controlling, a transmitting device, a receiving device, and a base station. An information transmitting method according to an embodiment of the present invention is performed by the transmitting device, the transmitting device transmits information to a receiving device by using resource block in a resource pool which includes a plurality of resource blocks, and the information transmitting method includes: determining an information transmitting manner; transmitting scheduling information for one unicast transmission by using single resource block of the plurality of resource blocks when the information transmitting manner is unicast; transmitting scheduling information for one multicast or broadcast transmission by using a resource block pair of the plurality of resource blocks when the information transmitting manner is multicast or broadcast.
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Patent Agency Ranking
公开(公告)号：US11139854B2
公开(公告)日：2021-10-05
申请号：US16958905
申请日：2018-10-26
Applicant: NTT DOCOMO, INC.
Inventor： Qin Mu , Liu Liu , Wenjia Liu , Xiaolin Hou
IPC: H04B1/7097 , H04B1/713
Abstract: A method for spread spectrum communication, a user equipment and a base station are provided in embodiments of the present disclosure. The method for spread spectrum communication applied to a user equipment includes: selecting spreading sequences for a plurality of symbols of data to be transmitted in a set of spreading sequences, respectively, wherein spreading sequences selected for at least two symbols are different; spreading the data by using the selected spreading sequences; transmitting the spread data.
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公开(公告)号：US10993129B2
公开(公告)日：2021-04-27
申请号：US15543840
申请日：2016-01-21
Applicant: NTT DOCOMO, INC.
Inventor： Kazuaki Takeda , Shimpei Yasukawa , Satoshi Nagata , Hideyuki Moroga , Liu Liu , Qin Mu
Abstract: The present invention is designed to measure and/or report CSI (Channel State Information) of a plurality of narrow bands, even when the band to use is limited to a partial narrow band in a system band. According to one aspect of the present invention, a user terminal, in which the band to use is limited to a partial narrow band in a system band, has a receiving section that receives information related to CSI (Channel State Information) measurement in a narrow band, a measurement section that measures CSIs in a plurality of narrow bands based on the information related to CSI measurement, and a transmission section that reports the measured CSIs.
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公开(公告)号：US10912039B2
公开(公告)日：2021-02-02
申请号：US16326356
申请日：2017-08-16
Applicant: NTT DOCOMO, INC.
Inventor： Xiaohang Chen , Anxin Li , Qin Mu , Liu Liu , Huiling Jiang , Satoshi Nagata
Abstract: Provided are a method for controlling a transmission power, a mobile station and a base station. The method for controlling the transmit power can be applied to a mobile station, and the method includes: acquiring a power control pattern, which is information related to a scheme of controlling the transmission power; determining a reference power control parameter for the mobile station according to the power control pattern; and determining the transmission power of the mobile station based on the reference power control parameter. The method for controlling the transmission power according to the embodiments of the present disclosure enables the user equipment to transmit signals to the base station at a proper transmission power, and further enables the base station side to distinguish different user equipments according to differences of received powers of a plurality of users that adopt Non-orthogonal Multiple Access.
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公开(公告)号：US20200343937A1
公开(公告)日：2020-10-29
申请号：US16958905
申请日：2018-10-26
Applicant: NTT DOCOMO, INC.
Inventor： Qin Mu , Liu Liu , Wenjia Liu , Xiaolin Hou
IPC: H04B1/7097 , H04B1/713
Abstract: A method for spread spectrum communication, a user equipment and a base station are provided in embodiments of the present disclosure. The method for spread spectrum communication applied to a user equipment includes: selecting spreading sequences for a plurality of symbols of data to be transmitted in a set of spreading sequences, respectively, wherein spreading sequences selected for at least two symbols are different; spreading the data by using the selected spreading sequences; transmitting the spread data.
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公开(公告)号：US20200229154A1
公开(公告)日：2020-07-16
申请号：US16650667
申请日：2017-09-29
Applicant: NTT DOCOMO, INC.
Inventor： Kazuki Takeda , Satoshi Nagata , Qin Mu , Liu Liu
IPC: H04W72/04
Abstract: To prevent system capability from lowering even when communication is performed by applying a different downlink control channel configuration from those of legacy LTE systems, a user terminal includes: a receiving section that receives a downlink control channel; and a control section that controls determination of a plurality of first radio resources respectively associated with a plurality of downlink control channel candidates of a first aggregation level, and controls determination of a plurality of second radio resources of the plurality of first radio resources, the plurality of second radio resources being respectively associated with a plurality of downlink control channel candidates of a second aggregation level lower than the first aggregation level.
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