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公开(公告)号：US12120353B2
公开(公告)日：2024-10-15
申请号：US17674164
申请日：2022-02-17
申请人： KDDI CORPORATION
发明人： Kyohei Unno , Kei Kawamura , Sei Naito
IPC分类号： H04N19/70 , H04N19/139 , H04N19/172 , H04N19/174 , H04N19/46 , H04N19/50 , H04N19/51 , H04N19/82
CPC分类号： H04N19/70 , H04N19/139 , H04N19/172 , H04N19/174 , H04N19/46 , H04N19/50 , H04N19/51 , H04N19/82
摘要： An image decoding device includes: a decoding unit configured to decode a first flag which is included in a slice header and controls enabling/disabling of PROF processing from encoded data; and an affine prediction signal generation unit configured to perform the PROF processing in a case where the first flag indicates that the PROF processing is enabled in a slice corresponding to the slice header, and generate a prediction signal without performing the PROF processing in a case where the first flag indicates that the PROF processing is disabled in a slice corresponding to the slice header.
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公开(公告)号：US20240235648A1
公开(公告)日：2024-07-11
申请号：US18610400
申请日：2024-03-20
申请人： KDDI CORPORATION
发明人： Akio IKAMI , Yuu TSUKAMOTO
CPC分类号： H04B7/0691 , H04L5/0048
摘要： A control device that functions as a RIC in an O-RAN identifies a plurality of antennas that are expected to receive, with at least a predetermined power, a signal from each of a plurality of terminal devices, and notifies an O-DU that is connected to first antennas included in the plurality of antennas for a first terminal device and executes demodulation and decoding processing for the first terminal device, and is connected to second antennas included in the plurality of antennas for a second terminal device and does not execute demodulation and decoding processing for the second terminal device, of information indicating the first antennas and information indicating a third antenna among the second antennas that is a target of transmission path estimation performed based on pilot symbols received from the second terminal device.
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公开(公告)号：US20240214944A1
公开(公告)日：2024-06-27
申请号：US18600940
申请日：2024-03-11
申请人： KDDI CORPORATION
发明人： Masaaki ITO , Issei KANNO , Takeo OHSEKI , Kosuke YAMAZAKI
IPC分类号： H04W52/24 , H04W52/06 , H04W72/044
CPC分类号： H04W52/241 , H04W52/06 , H04W72/0473
摘要： A control device included in a radio communication system that provides a communication service to a terminal device via a portion of many antennas notifies the terminal device of information that makes it possible to identify measurement target radio signals to be used by the terminal device when executing transmission power control from among radio signals respectively transmitted from the antennas.
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公开(公告)号：US20240212219A1
公开(公告)日：2024-06-27
申请号：US18594466
申请日：2024-03-04
申请人： KDDI CORPORATION
发明人： Kouhei MATSUZAKI , Kei KAWAMURA , Kyohei UNNO
摘要： A point cloud decoding device (200) according to the present invention including a circuit, wherein the circuit: stores occupancy information of a child hierarchical node indicating whether or not the child hierarchical node is occupied; and predicts occupancy information of a child node indicating whether or not the child node is occupied using the occupancy information of the child hierarchical node.
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公开(公告)号：US20240205391A1
公开(公告)日：2024-06-20
申请号：US18594137
申请日：2024-03-04
申请人： KDDI CORPORATION
发明人： Yoshitaka KIDANI , Kei KAWAMURA
IPC分类号： H04N19/105 , H04N19/119 , H04N19/137 , H04N19/176 , H04N19/70
CPC分类号： H04N19/105 , H04N19/119 , H04N19/137 , H04N19/176 , H04N19/70
摘要： An image decoding device according to the present invention includes a circuit, wherein the circuit: derives motion information for a geometric partitioning mode to generate a motion compensation sample; and derives an intra prediction mode for the geometric partitioning mode to generate an intra prediction sample, the circuit: derives a plurality of the intra prediction modes on the basis of adjacent reference samples or adjacent reference blocks adjacent to the block to be decoded, and selects, with use of a signaled index, one or a plurality of intra prediction modes from an intra prediction mode candidate list including the plurality of derived intra prediction modes to generate the intra prediction sample.
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公开(公告)号：US12016008B2
公开(公告)日：2024-06-18
申请号：US17343148
申请日：2021-06-09
申请人： KDDI CORPORATION
IPC分类号： H04W72/12 , H04L5/00 , H04W72/0453 , H04W72/541
CPC分类号： H04W72/1215 , H04L5/0048 , H04W72/0453 , H04W72/541
摘要： A communication apparatus, which is capable of performing, in a predetermined frequency band to be used by a first radio communication system configured to periodically transmit a reference signal with a predetermined frequency spacing, communication using a second radio communication system that is different from the first radio communication system, performs communication of the second radio communication system while the base station apparatus of the first radio communication system operates in a mode in which periodic transmission of the reference signal is stopped for a predetermined period, based on information relating to a timing at which a base station apparatus of the first radio communication system is to operate in the mode.
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公开(公告)号：US20240187150A1
公开(公告)日：2024-06-06
申请号：US18442511
申请日：2024-02-15
申请人： KDDI CORPORATION
发明人： Hiroki TAKEDA , Mikiya AGATA , Satoshi ITOU , Tomohide SHIMOMURA , Yasuki SUZUKI , Yuuichi HASEGAWA
CPC分类号： H04L5/001 , H04L5/0098 , H04W76/15
摘要： A network node obtains, from a terminal apparatus, information relating to a first received power of a first carrier wave and a second received power of a second carrier wave for the terminal apparatus, determines whether or not a difference value between the first received power and the second received power is greater than a predetermined value on a basis of the information, and controls the terminal apparatus to start communication using dual connectivity or carrier aggregation using the first carrier wave and the second carrier wave on a basis of a difference value between the first received power and the second received power being determined to be less than the predetermined value.
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公开(公告)号：US20240179704A1
公开(公告)日：2024-05-30
申请号：US18435625
申请日：2024-02-07
申请人： KDDI CORPORATION
发明人： Masahito UMEHARA , Masaya SHIBAYAMA
IPC分类号： H04W72/1268 , H04L5/00 , H04W72/23
CPC分类号： H04W72/1268 , H04L5/0048 , H04W72/23
摘要： A base station apparatus notifies a terminal apparatus connected to or trying to establish a connection with the base station apparatus of information indicating a physical uplink control channel (PUCCH) format that can be used to transmit a scheduling request and can include information indicating a communication type, selects a type of grant to transmit to the terminal apparatus from a plurality of types of grants on a basis of a communication type indicated in the scheduling request received from the terminal apparatus via the PUCCH format, and transmits the selected type of grant to the terminal apparatus as a response to the scheduling request.
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公开(公告)号：US20240179694A1
公开(公告)日：2024-05-30
申请号：US18435639
申请日：2024-02-07
申请人： KDDI CORPORATION
发明人： Yanwei LI , Hiroki TAKEDA , Yasuki SUZUKI , Shingo WATANABE
IPC分类号： H04W72/0453 , H04L5/00 , H04W72/231
CPC分类号： H04W72/0453 , H04L5/001 , H04L5/0098 , H04W72/231
摘要： A terminal apparatus notifies a base station apparatus of information indicating a combination of frequency bands usable by the terminal apparatus in a case of communicating using a plurality of component carriers with different frequency bands, and obtains, from the base station apparatus, information of a setting for using one or more component carriers corresponding to one or more frequency bands unrestricted by the combination of usable frequency bands.
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公开(公告)号：US11985558B2
公开(公告)日：2024-05-14
申请号：US17897662
申请日：2022-08-29
申请人： KDDI CORPORATION
发明人： Hailan Peng , Takeo Ohseki , Yasuhiro Suegara
CPC分类号： H04W36/00837 , H04W36/0061 , H04W36/00835 , H04W40/36
摘要： A terminal apparatus that performs communication using a communication path set between the terminal apparatus and a core network via a base station apparatus connected to the core network or via the base station apparatus and a relay apparatus that relays communication with the base station apparatus acquires information regarding candidates of a communication path to which switching should be performed from a first communication used, from the base station apparatus that functions as a serving base station in the first communication path, determines whether or not to perform switching of the communication path from the first communication path, and performs switching from the first communication path to a second communication path included in the candidates without being instructed by the serving base station, in response to the determination to perform the switching after receiving the information regarding the candidates.
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