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公开(公告)号：US11469926B2
公开(公告)日：2022-10-11
申请号：US16981842
申请日：2018-05-11
Applicant: NTT DOCOMO, INC.
Inventor： Dongbo Feng , Xiangming Li , Neng Ye , Wenjia Liu , Xiaolin Hou , Runxin Wang , Liu Liu
Abstract: Provided are a method for transmitting signals and corresponding terminals, and base stations, where the method for transmitting signals is performed by a terminal in a communication system. The method includes determining, whether to transmit an additional reference signal to a base station in the communication system according to information on channel conditions of the terminal; transmitting a main reference signal to the base station, where the main reference signal is used for channel estimation between the terminal and the base station; and when determining to transmit an additional reference signal to the base station, transmitting an additional reference signal to the base station according to configuration information of the additional reference signal.
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公开(公告)号：US20220094488A1
公开(公告)日：2022-03-24
申请号：US17421655
申请日：2019-01-10
Applicant: NTT DOCOMO, INC.
Inventor： Yuki Matsumura , Satoshi Nagata , Runxin Wang , Jing Wang , Xiaolin Hou
IPC: H04L5/00
Abstract: A user terminal includes: a receiving section that receives information related to a plurality of resources respectively associated with a plurality of transmission points, wherein at least one of an offset and a guard domain is present between the plurality of resources; and a control section that performs communication with the plurality of transmission points based on the information. According to one aspect of the present disclosure, it is possible to appropriately perform communication that uses a plurality of transmission points.
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公开(公告)号：US20220060994A1
公开(公告)日：2022-02-24
申请号：US17275905
申请日：2018-09-28
Applicant: NTT DOCOMO, INC.
Inventor： Runxin Wang , Wenjia Liu , Xiaolin Hou , Kazuaki Takeda , Daiki Takeda
IPC: H04W52/18
Abstract: Provided are a method and device for uplink power control. A user terminal performing the method includes: a receiving unit configured to receive signature information for the user terminal from a base station; and a control unit configured to determine a transmission power of the user terminal according to the received signature information.
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公开(公告)号：US11552762B2
公开(公告)日：2023-01-10
申请号：US17257181
申请日：2018-08-10
Applicant: NTT DOCOMO, INC.
Inventor： Juan Liu , Wenjia Liu , Runxin Wang , Xin Wang , Xiaolin Hou
Abstract: Disclosed are a resource allocation method for demodulation reference signals and a base station. The resource allocation method for demodulation reference signals executed by the base station includes: determining an allocation method for a resource required for transmitting a plurality of demodulation reference signals and a parameter for generating the plurality of demodulation reference signals, the plurality of demodulation reference signals respectively corresponding to a plurality of user equipments, the allocation method being capable of supporting transmission of the plurality of demodulation reference signals on the same time domain resource, and the parameter being capable of making the demodulation reference signals sent with the same time frequency resource distinguished from each other; and transmitting information indicating the allocation method and information indicating the parameter to the plurality of user equipments.
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公开(公告)号：US11211970B2
公开(公告)日：2021-12-28
申请号：US15734949
申请日：2018-07-16
Applicant: NTT DOCOMO, INC.
Inventor： Runxin Wang , Wenjia Liu , Xiaolin Hou
IPC: H04B1/707
Abstract: The present disclosure provides a communication method and a corresponding user terminal, and a base station. The communication method performed by the user terminal includes receiving information about modulation and coding from the base station; and determining a spreading parameter for the user terminal according to the information about modulation and coding, wherein the spreading parameter is used for the user terminal to spread symbols.
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Patent Agency Ranking
公开(公告)号：US11184027B2
公开(公告)日：2021-11-23
申请号：US16476051
申请日：2018-01-05
Applicant: NTT DOCOMO, INC.
Inventor： Runxin Wang , Chongning Na , Mingyuan Yang , Yousuke Sano , Satoshi Nagata
Abstract: Disclosed are a method and an encoder for performing polar coding on an input data sequence to generate a polar code. The encoding method including: generating, based on a first order index set, a second order index set for parent code length of the polar code, each order index of the first or second order index set representing a priority order of transmitting an information bit in a bit position indicated by the order index relative to transmitting information bits at bit positions indicated by other indexes; spreading, according to the second order index set, the input data sequence to a data sequence with bit number equal to the parent code length; performing polar coding on the spread data sequence to generate the polar code.
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公开(公告)号：US11750354B2
公开(公告)日：2023-09-05
申请号：US17421655
申请日：2019-01-10
Applicant: NTT DOCOMO, INC.
Inventor： Yuki Matsumura , Satoshi Nagata , Runxin Wang , Jing Wang , Xiaolin Hou
CPC classification number: H04L5/006 , H04L5/0032 , H04L5/0042
Abstract: A user terminal includes: a receiving section that receives information related to a plurality of resources respectively associated with a plurality of transmission points, wherein at least one of an offset and a guard domain is present between the plurality of resources; and a control section that performs communication with the plurality of transmission points based on the information. According to one aspect of the present disclosure, it is possible to appropriately perform communication that uses a plurality of transmission points.
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公开(公告)号：US11750320B2
公开(公告)日：2023-09-05
申请号：US16766530
申请日：2018-11-28
Applicant: NTT DOCOMO, INC.
Inventor： Kazuki Takeda , Satoshi Nagata , Runxin Wang , Chongning Na
CPC classification number: H04L1/0042 , H04L1/0057 , H04W28/04
Abstract: A communication apparatus is disclosed including a processor that performs a first encoding procedure to generate a first sequence of encoded bits from a first sequence of bits, and performs a second encoding procedure to generate a second sequence of encoded bits from a sequence of known bits; and a second sequence of bits comprising the first sequence of bits and the first sequence of encoded bits; and a transmitter that transmits a signal generated from the second sequence of encoded bits, wherein the second sequence of encoded bits is determined based on a length of the second sequence of bits.
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9.发明申请公开(公告)号：US20220103314A1
公开(公告)日：2022-03-31
申请号：US17422024
申请日：2019-01-11
Applicant: NTT DOCOMO, INC.
Inventor： Runxin Wang , Wenjia Liu , Xiaolin Hou , Kazuaki Takeda
Abstract: Embodiments of the present invention provide a user equipment and a base station that may be used in a wireless communication system, or a method executed by a user equipment, a method executed by a base station. The user equipment in the embodiments of the present invention includes: an obtaining unit, configured to obtain a basic sequence table, the basic sequence table comprising at least two sequences; a receiving unit, configured to receive sequence selection information related to an operation to be executed by the user equipment; and a control unit, configured to determine an operation sequence for the operation according to the basic sequence table and the sequence selection information.
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公开(公告)号：US20220103288A1
公开(公告)日：2022-03-31
申请号：US17422053
申请日：2019-01-11
Applicant: NTT DOCOMO, INC.
Inventor： Yuki Matsumura , Satoshi Nagata , Runxin Wang , Jing Wang , Xiaolin Hou
Abstract: A user terminal includes: a control section to which one mode of a plurality of modes associated with different operations of one or more transmission points is configured; and a receiving section that receives one or more downlink shared channels from the one or more transmission points according to the mode. According to one aspect of the present disclosure, it is possible to appropriately operate in response to operations of one or more transmission points.
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