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51.发明授权公开(公告)号：US11838941B2
公开(公告)日：2023-12-05
申请号：US17208026
申请日：2021-03-22
申请人： NTT DOCOMO, INC.
发明人： Kazuki Takeda , Satoshi Nagata , Qun Zhao , Xiaohang Chen , Lihui Wang
IPC分类号： H04W4/00 , H04W72/566 , H04W72/1268 , H04W72/23
CPC分类号： H04W72/569 , H04W72/1268 , H04W72/23
摘要： A terminal is disclosed that includes a receiver that receives a first downlink control information for scheduling a physical uplink shared channel (PUSCH) transmission, and a second downlink control information for notifying a time region and a frequency region in which the PUSCH is not to be transmitted. The terminal further includes a processor that supports reception of the second downlink control information in a slot that is shorter than a slot for transmitting the PUSCH. In other aspects, a radio communication method and a base station are also disclosed.
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公开(公告)号：US11729745B2
公开(公告)日：2023-08-15
申请号：US17157414
申请日：2021-01-25
申请人： NTT DOCOMO, INC.
发明人： Shimpei Yasukawa , Hiroki Harada , Satoshi Nagata , Qun Zhao
摘要： A user apparatus for use in a mobile communication system that supports D2D communication, including: a signal transmission unit configured to transmit a plurality of D2D signals; and a resource selection unit configured to select, from a predetermined resource pool, a radio resource having a time resource and a frequency resource for transmitting the plurality of D2D signals, wherein the resource selection unit is configured to select the radio resource such that the plurality of D2D signals are not transmitted by a same time resource.
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公开(公告)号：US11647542B2
公开(公告)日：2023-05-09
申请号：US17227968
申请日：2021-04-12
申请人： NTT DOCOMO, INC.
发明人： Shimpei Yasukawa , Satoshi Nagata , Qun Zhao
CPC分类号： H04W74/0816 , H04W72/02 , H04W72/54 , H04W4/40 , H04W74/0808
摘要： A terminal is disclosed including a processor that detects, based on a result of sensing in a time window for sensing, one or more resources capable of transmitting a physical sidelink shared channel (PSSCH) signal in a time window for resource selection, wherein the processor selects a resource for transmitting the PSSCH signal from the one or more detected resources; and a transmitter that transmits the PSSCH signal using the selected resource for transmitting the PSSCH signal. The processor autonomously determines a start timing and an end timing of the time window for resource selection from preset timing candidates. An end timing of the time window for sensing is right before the start timing of the time window for resource selection.
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54.发明授权公开(公告)号：US11496977B2
公开(公告)日：2022-11-08
申请号：US14906173
申请日：2014-07-15
申请人： NTT DOCOMO, INC.
发明人： Satoshi Nagata , Qun Zhao , Yongsheng Zhang , Katsutoshi Kusume
摘要： A user apparatus, for use in a radio communication system including a base station forming a cell, configured to receive a discovery signal of device-to-device communication, including: an information reception unit configured to receive, from a base station of a residing cell, a resource range in which a discovery signal can be transmitted in a neighbor cell; and a discovery signal reception unit configured to receive a discovery signal at a time position that is synchronized with the neighbor cell in response to receiving a synchronization signal that is synchronized with the neighbor cell within the resource range received by the information reception unit.
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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
申请人： NTT DOCOMO INC.
发明人： Huan Wang , Liu Liu , Qin Mu , Qun Zhao , Huiling Jiang
摘要： 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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公开(公告)号：US20210136729A1
公开(公告)日：2021-05-06
申请号：US16473926
申请日：2017-12-25
申请人： NTT DOCOMO, INC.
发明人： Shinpei Yasukawa , Kazuki Takeda , Satoshi Nagata , Qun Zhao
摘要： User equipment in a radio communication system is provided. The user equipment includes a configuration information management unit configured to retain configuration information in relation to a plurality of divided resources that are capable of transmitting data without receiving data transmission permission from a communication device that is different from the user equipment, the plurality of divided resources each being associated with retransmission control processes, and a transmitter configured to select, from the plurality of divided resources, a divided resource that is associated with a given retransmission control process whose retransmission control buffer is empty, so as to transmit data by using the divided resource.
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公开(公告)号：US10932230B2
公开(公告)日：2021-02-23
申请号：US15513505
申请日：2015-09-18
申请人： NTT DOCOMO, INC.
发明人： Shimpei Yasukawa , Hiroki Harada , Satoshi Nagata , Qun Zhao
摘要： A user apparatus for use in a mobile communication system that supports D2D communication, including: a signal transmission unit configured to transmit a plurality of D2D signals; and a resource selection unit configured to select, from a predetermined resource pool, a radio resource having a time resource and a frequency resource for transmitting the plurality of D2D signals, wherein the resource selection unit is configured to select the radio resource such that the plurality of D2D signals are not transmitted by a same time resource.
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公开(公告)号：US20200322923A1
公开(公告)日：2020-10-08
申请号：US16088360
申请日：2017-03-16
申请人： NTT DOCOMO, INC.
发明人： Shimpei Yasukawa , Satoshi Nagata , Qun Zhao , Liu Liu , Anxin Li , Huiling Jiang
摘要： Provided is user equipment of a radio communication system that supports D2D communication, the user equipment including a selector that selects a plurality of control information resources for repeatedly transmitting control information from a control information resource pool and that selects a plurality of data resources for repeatedly transmitting data from a data transmission resource pool; and a transmitter that repeatedly transmits the control information including information that specifies the data resources using the control information resources and repeatedly transmits the data using the data resources, wherein the selector selects the control information resources and the data resources so that a control information resource for transmitting the control information for a first time among the control information resources and a data resource for transmitting the data for a first time among the data resources are in a same subframe.
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公开(公告)号：US20190132818A1
公开(公告)日：2019-05-02
申请号：US16092604
申请日：2017-02-15
申请人： NTT DOCOMO, INC.
发明人： Shimpei Yasukawa , Satoshi Nagata , Qun Zhao
摘要： There is provided user equipment that selects a resource for transmitting a signal based on a sensing result. The user equipment includes a detection unit that detects, by performing sensing in a time window for sensing, one or more resources capable of transmitting a signal in a time window for resource selection after the time window for sensing; a selection unit that selects a resource for transmitting a signal from the one or more detected resources; and a transmission unit that transmits the signal using the selected resource for transmitting the signal.
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公开(公告)号：US20190037534A1
公开(公告)日：2019-01-31
申请号：US16073707
申请日：2017-02-03
申请人： NTT DOCOMO, INC.
发明人： Shimpei Yasukawa , Satoshi Nagata , Qun Zhao
摘要： A user equipment in a wireless communication system in which communication is performed between a base station and a user equipment includes: a first reception unit that receives information on communication performed in each of a plurality of carriers from the base station; a selection unit that selects a carrier in which the user equipment has to receive signals among the plurality of carriers based on the information on communication performed in each of the plurality of carriers; and a second reception unit that receives predetermined communication in the carrier selected by the selection unit.
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