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公开(公告)号：US20250159709A1
公开(公告)日：2025-05-15
申请号：US19020589
申请日：2025-01-14
Inventor： Quan KUANG , Hidetoshi SUZUKI
IPC: H04W72/53 , H04W24/08 , H04W72/0446 , H04W72/0453 , H04W72/23
Abstract: The present disclosure relates to a mobile terminal and respective operation method. The mobile terminal comprises circuitry, which in operation monitors PDCCH candidates of a first search space set located in a designated first frequency range from the plurality of frequency ranges, and receives a DCI transmitted in the first search space set of the designated first frequency range. The received DCI includes an indication whether or not the mobile terminal is to skip monitoring some specific or all PDCCH candidates in at least one second search space set associated with at least one second frequency range from the plurality of frequency ranges. And only if the indication in the received DCI does not indicate to skip monitoring the specific or all PDCCH candidates, the circuitry additionally monitors the specific or all PDCCH candidates associated with the at least one second frequency range for receiving a DCI thereon.
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公开(公告)号：US20250158671A1
公开(公告)日：2025-05-15
申请号：US19025906
申请日：2025-01-16
Inventor： Lei HUANG , Yoshio URABE , Rojan CHITRAKAR
IPC: H04B7/0452 , H04B7/0417
Abstract: The present disclosure provides communication apparatus and communication method for channel estimation. The communication apparatus comprises a transmitter, which in operation, transmits a physical layer protocol data unit (PPDU) to one or more other communication apparatus in a multiple-input multiple-output (MIMO) wireless network, the PPDU including a long training field (LTF) that facilitates the one or more other communication apparatus to estimate respective channels for respective communications with the communication apparatus; and a controller, which in operation, establishes the number of LTF symbols (NLTF) for generating the LTF in the PPDU, wherein the NLTF depends on a maximum value (NSTSMAX) of the number of space-time streams for each resource unit (RU) in the PPDU.
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3.发明申请公开(公告)号：US20250150776A1
公开(公告)日：2025-05-08
申请号：US19013363
申请日：2025-01-08
Inventor： Hikaru USAMI , Tomokazu Ishikawa , Seigo Enomoto , Kota Nakahashi , Hiroyuki Ehara , Mariko Yamada , Shuji Miyasaka
Abstract: An acoustic signal processing method includes: obtaining first position information indicating a position of an object that is a moving object in a virtual space, and second position information indicating a position of a listener in the virtual space; calculating a moving speed of the object based on the first position information obtained; calculating a distance between the object and the listener based on the first position information obtained and the second position information obtained; generating, based on the moving speed calculated and the distance calculated, an aerodynamic sound signal indicating an aerodynamic sound generated when wind caused by movement of the object reaches an ear of the listener; and outputting the aerodynamic sound signal generated.
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公开(公告)号：US20250150125A1
公开(公告)日：2025-05-08
申请号：US19015392
申请日：2025-01-09
Inventor： YUTAKA MURAKAMI , TOMOHIRO KIMURA , MIKIHIRO OUCHI
IPC: H04B7/0456 , G06F17/16 , H04L5/00 , H04W72/21 , H04W72/23
Abstract: A precoding process is performed on a first baseband signal and a second baseband signal to generate a first precoding signal and a second precoding signal. A pilot signal is inserted into the first precoding signal and phase change is performed on the second precoding signal. A pilot signal is inserted into the phase changed second precoding signal, and phase change is further performed on the phase-changed second precoding signal with the pilot signal inserted.
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公开(公告)号：US12295018B2
公开(公告)日：2025-05-06
申请号：US18633018
申请日：2024-04-11
Inventor： Prateek Basu Mallick , Joachim Loehr , Hidetoshi Suzuki , Lilei Wang
Abstract: The invention relates to an improved radio resource allocation performed by a vehicular mobile terminal. The vehicular mobile terminal determines whether to determine radio resources based on the location of the vehicular mobile terminal or not, based on information received from an entity of the communication system. In case the radio resources are to be selected based on the location of the vehicular mobile terminal, the vehicular mobile terminal determines the location of the vehicular mobile terminal, and determines radio resources for communication with at least the second mobile terminal, based on the determined location of the vehicular mobile terminal.
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Patent Agency Ranking
公开(公告)号：US12294707B2
公开(公告)日：2025-05-06
申请号：US18587635
申请日：2024-02-26
Inventor： Yusuke Kato , Kiyofumi Abe , Takahiro Nishi , Tadamasa Toma
IPC: H04N19/13 , H04N19/169 , H04N19/176 , H04N19/46
Abstract: An encoder includes circuitry and memory coupled to the circuitry. The circuitry, in operation, for each coefficient of a plurality of coefficients included in a block, determines a base level relating to Context-Based Adaptive Binary Arithmetic Coding (CABAC) for the coefficient, and encodes an absolute value of the coefficient. In determining the base level, when one or more flags are used in encoding the absolute value of the coefficient, the base level is determined to be a first value, and when one or more flags are not used in the encoding, the base level is determined to be a second value that is smaller than the first value. In encoding the absolute value of the coefficient, when one or more flags are not used, a rice parameter is determined based on the base level which is equal to the second value, and the coefficient is binarized using the rice parameter.
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公开(公告)号：US12294696B2
公开(公告)日：2025-05-06
申请号：US18529380
申请日：2023-12-05
Inventor： Jing Ya Li , Chong Soon Lim , Han Boon Teo , Che Wei Kuo , Hai Wei Sun , Chu Tong Wang , Kiyofumi Abe , Takahiro Nishi , Tadamasa Toma , Yusuke Kato
IPC: H04N19/105 , H04N19/14 , H04N19/159 , H04N19/176
Abstract: An encoder includes circuitry and memory coupled to the circuitry. The circuitry, in operation: determines whether a size of a current block, which is a unit for which a vector candidate list including vector candidates is generated, is less than or equal to a threshold; when the size of the current block is less than or equal to the threshold, generates the vector candidate list by registering a history-based motion vector predictor (HMVP) vector candidate in the vector candidate list from an HMVP table without performing a first pruning process; when the size of the current block is greater than the threshold, generates the vector candidate list by performing the first pruning process and registering the HMVP vector candidate in the vector candidate list from the HMVP table; and encodes the current block using the vector candidate list.
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公开(公告)号：US12289470B2
公开(公告)日：2025-04-29
申请号：US18390138
申请日：2023-12-20
Inventor： Toshiyasu Sugio , Noritaka Iguchi , Pongsak Lasang , Chi Wang , Chung Dean Han
IPC: H04N19/597 , H04N19/167 , H04N19/182 , H04N19/46 , H04N19/85 , G01S17/89 , H04N13/246 , H04N13/282
Abstract: A three-dimensional data encoding method includes: obtaining geometry information which includes first three-dimensional positions on a measurement target, and is generated by a measurer that radially emits an electromagnetic wave in different directions and obtains a reflected wave which is the electromagnetic wave that is reflected by the measurement target; generating a two-dimensional image including first pixels corresponding to the directions, based on the geometry information; and encoding the two-dimensional image to generate a bitstream. Each of the first pixels has a pixel value indicating a first three-dimensional position or attribute information of a three-dimensional point which is included in a three-dimensional point cloud and corresponds to a direction to which the first pixel corresponds among the directions.
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公开(公告)号：US12289462B2
公开(公告)日：2025-04-29
申请号：US17642448
申请日：2020-12-21
Inventor： Han Boon Teo , Hai Wei Sun , Jing Ya Li , Che Wei Kuo , Chong Soon Lim , Chu Tong Wang , Kiyofumi Abe , Takahiro Nishi , Tadamasa Toma , Yusuke Kato
IPC: H04N19/00 , H04N19/105 , H04N19/176 , H04N19/46 , H04N19/80
Abstract: An encoder includes circuitry and memory coupled to the circuitry. In operation, the circuitry writes, into a bitstream, a first flag indicating whether or not to enable a first process of applying a filter to a first image to generate a second image, holding the second image as a reference image, and displaying the second image. When the first process is not enabled, circuitry writes, into the bitstream, one or more parameters for controlling a second process of applying the filter to the first image to generate the second image, holding the first image as a reference image, and displaying the second image.
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公开(公告)号：US12284341B2
公开(公告)日：2025-04-22
申请号：US18062455
申请日：2022-12-06
Inventor： Ryuichi Kanoh , Takahiro Nishi , Tadamasa Toma
IPC: H04N19/117 , H04N19/136 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/61 , H04N19/82
Abstract: A decoder includes a memory and processing circuitry. The processing circuitry, in operation, changes values of pixels in a first block and a second block to filter a boundary therebetween, using clipping such that change amounts of the respective values are within respective clip widths. The clip widths for the pixels in the first block and the second block are selected based on block sizes of the first block and the second block. The pixels in the first block include a first pixel located at a first position, and the pixels in the second block include a second pixel located at a second position corresponding to the first position with respect to the boundary. The clip widths include a first clip width and a second clip width corresponding to the first pixel and the second pixel, respectively, and the first clip width is different from the second width.
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