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公开(公告)号：US20240372646A1
公开(公告)日：2024-11-07
申请号：US18772997
申请日：2024-07-15
Inventor： Takayuki NAKANO , Yoshio URABE , Takashi IWAI , Tomofumi TAKATA
IPC: H04L1/00 , H04L1/1812 , H04L1/1825 , H04W28/04
Abstract: A base station is provided with: a control circuit that, on the basis of one of a communication parameter which is set in accordance with communication quality and a retransmission control operation, decides the other thereof, and a communication circuit that, on the basis of the communication parameter or retransmission control operation to be decided, communicates with a terminal.
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公开(公告)号：US20240251287A1
公开(公告)日：2024-07-25
申请号：US18562152
申请日：2022-03-08
Inventor： Tomofumi TAKATA , Takashi IWAI , Yoshio URABE
IPC: H04W28/02 , H04W28/06 , H04W72/0453 , H04W72/20
CPC classification number: H04W28/0278 , H04W28/06 , H04W72/0453 , H04W72/20
Abstract: This terminal comprises: a receiving circuit which receives control information including information regarding a timing of a frequency resource for performing reception processing, among a plurality of frequency resources used for the frequency-multiplexed transmission of a plurality of downlink signals; and a control circuit which controls the reception processing on the basis of the control information.
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公开(公告)号：US20240215048A1
公开(公告)日：2024-06-27
申请号：US18563263
申请日：2022-03-08
Inventor： Jun MINOTANI , Takashi IWAI , Tomofumi TAKATA , Yoshio URABE
IPC: H04W72/232 , H04W72/0446 , H04W72/0453 , H04W74/0816
CPC classification number: H04W72/232 , H04W72/0446 , H04W72/0453 , H04W74/0816
Abstract: This terminal comprises: a receiving circuit which receives control information including information regarding a timing of a frequency resource for performing reception processing, among a plurality of frequency resources used for the frequency-multiplexed transmission of a plurality of downlink signals; and a control circuit which controls the reception processing on the basis of the control information.
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公开(公告)号：US20240080150A1
公开(公告)日：2024-03-07
申请号：US18260581
申请日：2021-07-09
Inventor： Jun MINOTANI , Yoshio URABE , Takashi IWAI , Tomofumi TAKATA
CPC classification number: H04L5/0048 , H04W72/20
Abstract: The present invention improves channel estimation accuracy in wireless communication. This communication device comprises: a control circuit that sets, to a control signal, information relating to an additional reference signal for each destination device; and a transmission circuit that transmits the control signal.
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公开(公告)号：US20220303030A1
公开(公告)日：2022-09-22
申请号：US17638146
申请日：2020-07-17
Inventor： Jun MINOTANI , Yoshio URABE , Takashi IWAI , Tomofumi TAKATA , Hiroyuki KANAYA , Ryutaro HASHI
IPC: H04B17/24 , H04B7/06 , H04B7/0417
Abstract: This communication device comprises: a control circuit that, on the basis of first information relating to the reception quality of a plurality of spatial streams, determines a spatial stream for feeding back second information; and a transmission circuit that transmits the second information relating to the determined spatial stream.
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Patent Agency Ranking
公开(公告)号：US20220240269A1
公开(公告)日：2022-07-28
申请号：US17611081
申请日：2020-05-01
Inventor： Jun MINOTANI , Takashi IWAI , Tomofumi TAKATA , Yoshio URABE
IPC: H04W72/12
Abstract: This base station is provided with: a control circuit that generates information relating to a terminal group among a plurality of terminals, said terminal group being a target of transmission by non-orthogonal multiple access; and a transmission circuit that transmits the information relating to the terminal group during a period in which control information addressed to the plurality of terminals is transmitted.
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公开(公告)号：US20220131666A1
公开(公告)日：2022-04-28
申请号：US17429264
申请日：2020-01-28
Inventor： Takashi IWAI , Hidetoshi SUZUKI , Quan KUANG , Tomofumi TAKATA
IPC: H04L5/00
Abstract: Provided is a terminal which appropriately transmits and receives signals when operating in an unlicensed band. A terminal (200) is provided with: a mapping unit (207) for allocating a signal to a resource on the basis of control information indicating allocation of groups among a plurality of groups obtained by grouping a plurality of blocks into which a frequency band has been divided, and allocation of resources in the blocks; and a transmitting unit (209) for transmitting the signal.
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公开(公告)号：US20240322949A1
公开(公告)日：2024-09-26
申请号：US18732328
申请日：2024-06-03
Inventor： Jun MINOTANI , Takashi IWAI , Tomofumi TAKATA , Yoshio URABE
IPC: H04L1/1812 , H04W72/20
CPC classification number: H04L1/1812 , H04W72/20
Abstract: A downlink wireless transmission device comprising: a control circuit that generates common information that is common to a plurality of users and unique user information that is unique to each of the plurality of users and corresponds to information pertaining to retransmission control, said common and unique information including information pertaining to retransmission control for each of the plurality of users; and a transmission circuit that transmits control signals including the common information and the unique user information.
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公开(公告)号：US20240259825A1
公开(公告)日：2024-08-01
申请号：US18629604
申请日：2024-04-08
Inventor： Jun MINOTANI , Atsushi MATSUMOTO , Takashi IWAI , Tomofumi TAKATA , Yoshio URABE
Abstract: Provided is a radio communication device capable of reducing interference, caused by non-SR transmission, with a basic service set (BSS) performing spatial reuse (SR) transmission. An SR transmission resource control unit (107) of the radio communication device (SR initiator) (100) determines transmission resources for an SR signal to be transmitted by means of SR to a second BSS other than a first BSS to which the radio communication device (100) belongs on the basis of radio quality information transmitted from other radio communication devices (SR responders) in the first BSS. A radio transmission/reception unit (101) transmits the SR signal by using the determined transmission resources.
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公开(公告)号：US20230319797A1
公开(公告)日：2023-10-05
申请号：US18330118
申请日：2023-06-06
Inventor： Takashi IWAI , Daichi IMAMURA , Tomofumi TAKATA , Yoshihiko OGAWA
IPC: H04W72/0446 , H04J13/00 , H04J13/22 , H04W72/044 , H04W72/0453
CPC classification number: H04W72/0446 , H04J13/0062 , H04J13/22 , H04W72/0466 , H04J13/0055 , H04W72/0453
Abstract: It is an object to provide a sequence allocating method that, while maintaining the number of Zadoff-Chu sequences to compose a sequence group, is configured to make it possible to reduce correlations between different sequential groups. This method comprises the steps of setting a standard sequence with a standard sequence length and a standard sequence number in a step, setting a threshold value in accordance with an RB number in a step, setting a sequence length corresponding to RB number in a step, judging whether ¦r/N−rb/Nb¦=Xth(m) is satisfied in a step, including a plurality of Zadoff-Chu sequences with a sequence number and a sequence length in a sequence group in a step if the judgment is positive, and allocating the sequence group to the same cell in a step.
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