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公开(公告)号：US11553514B2
公开(公告)日：2023-01-10
申请号：US16982218
申请日：2018-03-22
Applicant: NTT DOCOMO, INC.
Inventor： Kazuki Takeda , Satoshi Nagata , Huiling Li , Lihui Wang , Chongning Na , Xin Wang , Xiaolin Hou
Abstract: To appropriately control UL transmission such as a CSI reporting when performing communication by applying a different configuration from those of legacy LTE systems, a user terminal according to one aspect of the present disclosure includes: a transmission section that transmits one or more UL signals by using an uplink shared channel based on an instruction from a base station; and a control section that controls the transmission assuming that transmission durations of a plurality of UL signals do not overlap in a same symbol, or, when at least part of the transmission durations of the plurality of UL signals overlap in the same symbol, performs control to select and transmit the part of the UL signals.
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公开(公告)号：US11552744B2
公开(公告)日：2023-01-10
申请号：US16637162
申请日：2017-08-09
Applicant: NTT DOCOMO, INC.
Inventor： Kazuki Takeda , Satoshi Nagata , Lihui Wang , Xiaolin Hou
Abstract: To appropriately perform communication even in a case where a transmission timing/transmission period for retransmission control information is flexibly controlled (is variable), an aspect of a user terminal according to the present invention includes a transmitting section that transmits retransmission control information for DL transmission and a control section that controls transmission of the retransmission control information at certain timings reported from a base station. A time window is configured for the retransmission control information, the control section controls transmission of the retransmission control information, based on the certain timings and the time window configured for the retransmission control information, and at least one of the certain timings is included within a range of the time window.
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公开(公告)号：US20220408476A1
公开(公告)日：2022-12-22
申请号：US17774675
申请日：2019-11-06
Applicant: NTT DOCOMO, INC.
Inventor： Yuki Takahashi , Satoshi Nagata , Lihui Wang , Xiaohong Zhang , Xiaolin Hou
Abstract: A terminal according to an aspect of the present disclosure includes a transmitting section that transmits a configured grant-based uplink shared channel, a receiving section that receives downlink control information which indicates retransmission of the uplink shared channel, and a control section that controls the retransmission based on a priority configured for the retransmission of the uplink shared channel.
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公开(公告)号：US11516782B2
公开(公告)日：2022-11-29
申请号：US16958448
申请日：2017-12-27
Applicant: NTT DOCOMO, INC.
Inventor： Kazuki Takeda , Satoshi Nagata , Lihui Wang , Xiaolin Hou
Abstract: An aspect of a user terminal of the present invention includes a transmitting section that transmits a plurality of pieces of uplink control information (UCI) corresponding to a plurality of communications by using an uplink control channel or an uplink shared channel, and a control section that controls a transmission of at least a part of the plurality of pieces of UCI, based on a format of the uplink control channel or a maximum coding rate configured for the uplink shared channel when transmission timings of the plurality of pieces of UCI overlap each other.
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公开(公告)号：US20220361201A1
公开(公告)日：2022-11-10
申请号：US17624473
申请日：2019-07-04
Applicant: NTT DOCOMO, INC.
Inventor： Shohei Yoshioka , Yuki Takahashi , Yuki Matsumura , Satoshi Nagata , Lihui Wang
Abstract: A terminal according to an aspect of the present disclosure includes a control section that determines, in a case where a physical uplink shared channel (PUSCH) spans two durations across a boundary in a time domain, a demodulation reference signal (DMRS) sequence during each of the two durations, and a transmitting section that transmits the PUSCH. According to an aspect of the present disclosure, the reference signal can be appropriately transmitted even in a case where the signal/channel is transmitted over a plurality of slots.
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Patent Agency Ranking
公开(公告)号：US20220361154A1
公开(公告)日：2022-11-10
申请号：US17620950
申请日：2019-06-21
Applicant: NTT DOCOMO, INC.
Inventor： Shohei Yoshioka , Satoshi Nagata , Lihui Wang , Xiaolin Hou
Abstract: A terminal includes a receiving section that receives downlink control information for which cyclic redundancy check (CRC) bits are scrambled with use of a radio network temporary identifier (RNTI) common to one or more terminals, and a control section that controls reception of data associated with a multicast traffic channel (MTCH) with use of a physical downlink shared channel scheduled by the downlink control information in one or more bandwidth parts in a cell. Therefore, it is possible to appropriately control reception of multicast transmission using a physical downlink shared channel.
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公开(公告)号：US11489579B2
公开(公告)日：2022-11-01
申请号：US16970776
申请日：2018-02-19
Applicant: NTT DOCOMO, INC.
Inventor： Kazuki Takeda , Satoshi Nagata , Lihui Wang , Xiaolin Hou
Abstract: A terminal is disclosed including a transmitter that transmits a beam failure recovery request signal; and a processor that maintains, in a beam failure recovery procedure including the transmission of the beam failure recovery request signal, monitoring of downlink control information for a random access. In other aspects, a radio communication method and a base station are also disclosed.
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公开(公告)号：US20220338039A1
公开(公告)日：2022-10-20
申请号：US17763150
申请日：2019-09-27
Applicant: NTT DOCOMO, INC.
Inventor： Yuki Takahashi , Satoshi Nagata , Lihui Wang
Abstract: A terminal according to one aspect of the present disclosure includes: a control section that determines a span pattern including a span for monitoring a Physical Downlink Control Channel (PDCCH) based on a monitoring occasion; and a reception section that monitors a PDCCH candidate based on the span pattern, and the control section determines a span pattern of each component carrier based on an assumption related to span patterns of a plurality of component carriers. According to one aspect of the present disclosure, it is possible to appropriately perform monitoring even when PDCCH monitoring spans are used together with carrier aggregation.
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公开(公告)号：US20220321299A1
公开(公告)日：2022-10-06
申请号：US17597142
申请日：2019-06-26
Applicant: NTT DOCOMO, INC.
Inventor： Hiroki Harada , Satoshi Nagata , Yuki Matsumura , Shohei Yoshioka , Hideyuki Moroga , Lihui Wang
IPC: H04L5/00
Abstract: When using a different frequency band such as FR4, which is different from a frequency band including FR1 and FR2, the terminal uses a phase tracking reference signal (PTRS) having a different density in at least one of a time direction and a frequency direction to perform transmission or reception of a signal using the PTRS.
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公开(公告)号：US20220321272A1
公开(公告)日：2022-10-06
申请号：US17596972
申请日：2019-06-25
Applicant: NTT DOCOMO, INC.
Inventor： Shohei Yoshioka , Yuki Matsumura , Hiroki Harada , Satoshi Nagata , Lihui Wang
Abstract: One aspect of a terminal according to the present disclosure includes a receiving section that receives downlink shared channel scheduled by downlink control information, and a control section that determines a feedback timing of transmission confirmation information responding to the downlink shared channel on the basis of information related to a feedback timing notified by at least one of the downlink control information and higher layer signaling, and a reference point configured in a slot where the downlink shared channel is transmitted or subsequent slots.
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