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公开(公告)号：US12063603B2
公开(公告)日：2024-08-13
申请号：US17257885
申请日：2018-07-09
Applicant: NTT DOCOMO, INC.
Inventor： Ryosuke Osawa , Yuichi Kakishima , Huan Wang
CPC classification number: H04W56/001 , H04L5/0048 , H04W24/10 , H04W72/12
Abstract: A user equipment communicates with a first user equipment or a base station apparatus, the user equipment including a receiving unit configured to receive a synchronization signal or a reference signal used in sidelink transmitted from the first user equipment; a control unit configured to measure a channel state of sidelink, based on the synchronization signal or the reference signal; and a transmitting unit configured to transmit, to the base station apparatus or the first user equipment, information indicating the channel state of sidelink.
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公开(公告)号：US11902932B2
公开(公告)日：2024-02-13
申请号：US17598528
申请日：2019-04-02
Applicant: NTT DOCOMO, INC.
Inventor： Shohei Yoshioka , Satoshi Nagata , Huan Wang , Xiaolin Hou
IPC: H04W64/00 , H04W4/00 , H04W4/46 , H04L1/1812 , H04L5/00
CPC classification number: H04W4/003 , H04L1/1819 , H04L5/0048 , H04W4/46
Abstract: A user equipment includes a receiving unit configured to receive a physical control channel and a physical shared channel from another user equipment; a control unit configured to calculate a distance that is an estimated distance between the another user equipment and the user equipment, based on information acquired via the physical control channel; and a transmitting unit configured to determine whether to transmit, via a channel used for transmitting and receiving a response relating to retransmission control, the response relating to the retransmission control of the physical shared channel transmitted from the another user equipment, based on the calculated distance.
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公开(公告)号：US20220216956A1
公开(公告)日：2022-07-07
申请号：US17608922
申请日：2019-05-10
Applicant: NTT DOCOMO, INC.
Inventor： Shohei Yoshioka , Satoshi Nagata , Huan Wang , Xiaolin Hou
Abstract: User equipment includes a control unit that selects a sidelink resource from candidate resources excluding a selected resource and a further resource within a predetermined time window and a transmitting unit that performs transmission or retransmission using the resource selected by the control unit.
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公开(公告)号：US20220182994A1
公开(公告)日：2022-06-09
申请号：US17437261
申请日：2019-03-15
Applicant: NTT DOCOMO, INC.
Inventor： Shohei Yoshioka , Satoshi Nagata , Huan Wang , Xiaolin Hou
Abstract: A communication apparatus includes a receiving unit that receives information indicating a configuration of a resource pool via sidelink; a control unit that configures the resource pool based on the received information; and a transmitting unit that selects a transmission resource in the configured resource pool and that transmits a sidelink signal using the selected transmission resource.
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公开(公告)号：US20220150023A1
公开(公告)日：2022-05-12
申请号：US17598511
申请日：2019-04-02
Applicant: NTT DOCOMO, INC.
Inventor： Shohei Yoshioka , Satoshi Nagata , Huan Wang
IPC: H04L5/00
Abstract: A communication apparatus includes a control unit configured to, when a sidelink control channel and a sidelink shared channel are to be frequency-division multiplexed, map a demodulation reference signal for the sidelink shared channel onto a symbol onto which a demodulation reference signal for the sidelink control channel is mapped; and a transmitting unit configured to transmit the symbol onto which the demodulation reference signal for the sidelink control channel and the demodulation reference signal for the sidelink shared channel are mapped.
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Patent Agency Ranking
公开(公告)号：US20220124563A1
公开(公告)日：2022-04-21
申请号：US17428088
申请日：2019-02-15
Applicant: NTT DOCOMO, INC.
Inventor： Shohei Yoshioka , Satoshi Nagata , Huan Wang , Xiaolin Hou
Abstract: A user equipment including a control unit that identifies a resource reserved by another user equipment in a selection window for selecting a resource, and that determines a resource other than the identified resource, as a transmission candidate; and a transmitting unit that transmits a reservation signal for reserving the resource determined as the transmission candidate by using a resource for transmitting the reservation signal, the resource for transmitting the reservation signal being associated with a resource set including the resource determined as the transmission candidate, wherein two or more resources that are usable for transmitting the reservation signal are allocated in a predetermined time domain interval, and the two or more resources are associated with different resource sets that are mutually orthogonal.
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公开(公告)号：US20220078839A1
公开(公告)日：2022-03-10
申请号：US17414456
申请日：2018-12-27
Applicant: NTT DOCOMO, INC.
Inventor： Shohei Yoshioka , Satoshi Nagata , Huan Wang
Abstract: The included are a control unit that determines a configuration for a transmission of a scheduling request based on whether the scheduling request is for a communication between a base station apparatus and the user equipment or the scheduling request is for a communication between the user equipment and another user equipment; a transmitting unit that transmits the scheduling request by using the configuration for the transmission of the determined scheduling request; and a receiving unit that receives a scheduling grant based on the scheduling request.
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公开(公告)号：US20220070847A1
公开(公告)日：2022-03-03
申请号：US17420912
申请日：2019-01-09
Applicant: NTT DOCOMO, INC.
Inventor： Shohei Yoshioka , Satoshi Nagata , Huan Wang , Xiaolin Hou
Abstract: A user equipment including: a reception unit configured to receive sidelink data from a transmission side user equipment; and a transmission unit configured to transmit feedback information for the sidelink data, wherein the transmission unit transmits the feedback information using a resource determined based on a transmission ID that is an ID on the transmission side user equipment, or a reception ID that is an ID on the user equipment, or both of the transmission ID and the reception ID.
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公开(公告)号：US20210321384A1
公开(公告)日：2021-10-14
申请号：US17264128
申请日：2018-08-10
Applicant: NTT DOCOMO, INC.
Inventor： Ryosuke Osawa , Huan Wang , Xiaolin Hou
Abstract: A user equipment includes a control unit that controls transmission or reception of a sidelink signal in which a first resource and a second resource are multiplexed in a same slot, wherein at least one of SLSS (Sidelink synchronization signal) or PSBCH (Physical Sidelink Broadcast Channel) is allocated in the first resource, and at least one of PSCCH (Physical Sidelink Control Channel), PSSCH (Physical Sidelink Shared Channel), and PSDCH (Physical Sidelink Discovery Channel) is allocated in the second resource; a reception unit that monitors the first resource, the second resource, or the first resource and the second resource; and a transmission unit that performs transmission using any one of the first resource, the second resource, and the first resource and the second resource.
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公开(公告)号：US20210314097A1
公开(公告)日：2021-10-07
申请号：US17259790
申请日：2018-07-17
Applicant: NTT DOCOMO, INC.
Inventor： Ryosuke Osawa , Yuki Matsumura , Kazuaki Takeda , Huan Wang , Xiaolin Hou
Abstract: A user equipment includes a receiving unit configured to receive a first signal of inter-terminal direct communication transmitted from a first user equipment, and information indicating a first resource for transmitting a HARQ (Hybrid Automatic Repeat Request) response corresponding to the first signal of inter-terminal direct communication transmitted from either one of a base station apparatus or the first user equipment; a control unit configured to determine the HARQ response based on a reception result of the first signal of inter-terminal direct communication; and a transmitting snit configured to transmit the determined HARQ response to the base station apparatus or the first user equipment, by using the first resource for transmitting the HARQ response.
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