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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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公开(公告)号：US10863491B2
公开(公告)日：2020-12-08
申请号：US16513569
申请日：2019-07-16
申请人： KDDI CORPORATION
发明人： Hailan Peng , Toshiaki Yamamoto , Xiaoqiu Wang
摘要： In a wireless communication system in which when connecting one terminal apparatus to a base station apparatus and another base station apparatus, the other base station apparatus selects a frequency band to be used for control channels transmitted from the terminal apparatus to the other base station apparatus from a plurality of frequency bands usable by the other base station apparatus, and notifies the terminal apparatus of the selected frequency band, the base station apparatus acquires from the terminal apparatus information about radio quality of a signal received from the other base station apparatus for at least one frequency band out of the plurality of frequency bands, extracts a portion of frequency bands out of the plurality of frequency bands based on the acquired information about radio quality, and notifies the other base station apparatus of information representing the portion of frequency bands.
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公开(公告)号：US11844046B2
公开(公告)日：2023-12-12
申请号：US17349222
申请日：2021-06-16
申请人： KDDI CORPORATION
CPC分类号： H04W68/005 , H04W24/08 , H04W68/02 , H04W76/27 , H04W88/023 , H04W16/28 , H04W72/046
摘要： A terminal device that can be connected to one or more base station devices that each form one or more beams is described. The terminal device monitors, when the terminal device is not connected to any of the one or more base station devices, a connection target beam to be used when the terminal device establishes a connection with any of the one or more base station devices; and reports, at least based on a fact that the connection target beam has transitioned, information regarding the connection target beam to a base station device that forms the connection target beam. A base station device among the one or more base station devices to execute paging of the terminal device and a beam to be used in the paging are controlled based on the information regarding the connection target beam.
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4.发明申请公开(公告)号：US20180176975A1
公开(公告)日：2018-06-21
申请号：US15890531
申请日：2018-02-07
申请人： KDDI CORPORATION
发明人： Hailan Peng , Kazuya Moriwaki , Yasuhiro Suegara
CPC分类号： H04W76/15 , H04W36/0069 , H04W36/14 , H04W36/28 , H04W48/08 , H04W48/16 , H04W48/18 , H04W76/10 , H04W76/20 , H04W84/12 , H04W88/06
摘要： In a wireless communication system that includes a base station apparatus and one or more terminals capable of connecting to the base station apparatus in a first system and connecting to another apparatus in a second system, the base station apparatus: transmits, to the one or more terminals, a notification related to a permitted period for connecting to the another apparatus in the second system; when a terminal included among the one or more terminals has not been capable of communicating with the another apparatus in the second system over a term related to the permitted period, receives information indicating that the terminal has not been capable of performing communication in the second system from the terminal; and controls connection of the terminal in the second system in response to reception of the information from the terminal.
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公开(公告)号：US11457388B2
公开(公告)日：2022-09-27
申请号：US17130366
申请日：2020-12-22
申请人： KDDI CORPORATION
发明人： Hailan Peng , Takeo Ohseki , Yasuhiro Suegara
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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公开(公告)号：US10405302B2
公开(公告)日：2019-09-03
申请号：US15341560
申请日：2016-11-02
申请人： KDDI CORPORATION
发明人： Hailan Peng , Toshiaki Yamamoto , Xiaoqiu Wang
摘要： In a wireless communication system in which when connecting one terminal apparatus to a base station apparatus and another base station apparatus, the other base station apparatus selects a frequency band to be used for control channels transmitted from the terminal apparatus to the other base station apparatus from a plurality of frequency bands usable by the other base station apparatus, and notifies the terminal apparatus of the selected frequency band, the base station apparatus acquires from the terminal apparatus information about radio quality of a signal received from the other base station apparatus for at least one frequency band out of the plurality of frequency bands, extracts a portion of frequency bands out of the plurality of frequency bands based on the acquired information about radio quality, and notifies the other base station apparatus of information representing the portion of frequency bands.
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公开(公告)号：US11057863B2
公开(公告)日：2021-07-06
申请号：US16295344
申请日：2019-03-07
申请人： KDDI CORPORATION
摘要： A terminal device that can be connected to one or more base station devices that each form one or more beams is described. The terminal device monitors, when the terminal device is not connected to any of the one or more base station devices, a connection target beam to be used when the terminal device establishes a connection with any of the one or more base station devices; and reports, at least based on a fact that the connection target beam has transitioned, information regarding the connection target beam to a base station device that forms the connection target beam. A base station device among the one or more base station devices to execute paging of the terminal device and a beam to be used in the paging are controlled based on the information regarding the connection target beam.
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8.发明申请公开(公告)号：US20180167862A1
公开(公告)日：2018-06-14
申请号：US15891845
申请日：2018-02-08
申请人： KDDI CORPORATION
发明人： Hailan Peng , Kazuya Moriwaki , Yasuhiro Suegara
CPC分类号： H04W36/30 , H04W24/10 , H04W36/08 , H04W36/14 , H04W36/305 , H04W36/38 , H04W76/19 , H04W88/06
摘要： In a wireless communication system that includes a base station apparatus and a terminal capable of connecting to the base station apparatus in a first system and connecting to another apparatus in a second system, the base station apparatus obtains, when a failure has occurred in connection in the second system between the terminal and the another apparatus, information indicating whether the failure is attributed to suspension of communication functions of the terminal in the second system, and controls connection of the terminal in the second system based on the information.
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