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公开(公告)号：US20200260357A1
公开(公告)日：2020-08-13
申请号：US16581022
申请日：2019-09-24
Inventor： Osamu KATO , Hideki KANEMOTO , Hiroaki ASANO
Abstract: A wireless communication system includes a first base station connectable to a backbone network by a wireless backhaul, and a path generator generating a wireless multi-hop path including the first base station and one or more second base stations connected to the first base station by a wireless multi-hop. The first base station reports a measurement result of a line quality of the wireless backhaul and a measurement result of a line quality between the first base station and the second base station disposed around the first base station. The first base station is switched to a first mode connected to the backbone network by the wireless backhaul or to a second mode connected to the second base station by a wireless multi-hop, in response to the path signal.
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公开(公告)号：US20200187020A1
公开(公告)日：2020-06-11
申请号：US16615646
申请日：2018-01-29
Inventor： Hiroaki ASANO , Hideki KANEMOTO , Osamu KATO
Abstract: Desired communication quality in relay for data transmission is secured, and stable radio communication is realized. An in-facility transmission system is disposed in a facility with a plurality of closed spaces, and includes a master base station that is disposed in a first closed space and performs a radio communication with an external base station provided outside the facility and a first slave base station that is disposed in a second closed space different from the first closed space and performs a radio communication with the master base station. The first closed space and the second closed space are connected to each other through a first radio waveguide capable of reducing a propagation loss of a radio wave in the radio communication between the master base station and the first slave base station.
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公开(公告)号：US20200077397A1
公开(公告)日：2020-03-05
申请号：US16553686
申请日：2019-08-28
Inventor： Osamu KATO , Hiroaki ASANO , Hideki KANEMOTO
IPC: H04W72/04
Abstract: A base station holds information on uplink radio resources which has been allocated to at least one already connected communication terminal for performing radio communication using a high frequency with the base station, receives a notification of participation in a radio communication system from a new communication terminal, and allocates unallocated uplink radio resources using high frequencies to the new communication terminal based on the information on the uplink radio resources when received the notification of participation. The new communication terminal transmits data to the base station by using the allocated uplink radio resources.
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公开(公告)号：US20240430719A1
公开(公告)日：2024-12-26
申请号：US18698594
申请日：2022-09-01
Inventor： Takumi HIGUCHI , Tetsuro SATO , Osamu TANAKA , Hiroaki ASANO
Abstract: A band estimating device according to an embodiment of the present disclosure comprises: a learning unit that trains, by real-time learning, a real-time learning model for estimating an available band of a radio communication path for a wireless communication performed by a terminal, and that trains, by pre-learning, a pre-learning model for estimating the available band of the wireless communication path using a parameter estimated by the real-time learning model and related to the wireless communication of the terminal; and an estimating unit that uses the pre-learning model to estimate the available band of the wireless communication path.
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Patent Agency Ranking
公开(公告)号：US20200236516A1
公开(公告)日：2020-07-23
申请号：US16650177
申请日：2018-08-30
Inventor： Osamu KATO , Hiroaki ASANO , Yasuhiro AOYAMA , Hideki KANEMOTO
Abstract: A communication charging system includes a first measuring device that measures an amount of communication established by a terminal in utilization of a first communication service using a first communication network and a second measuring device that measures an amount of communication established by the terminal in utilization of a second communication service using a second communication network. The first measuring device transmits information regarding the measured amount of communication in the utilization of the first communication service to the second measuring device. The second measuring device associates with information regarding the terminal and stores the information regarding the amount of communication in the utilization of the first communication service, which has been transmitted from the first measuring device, and information regarding the measured amount of communication in the utilization of the second communication service.
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公开(公告)号：US20200344701A1
公开(公告)日：2020-10-29
申请号：US16582736
申请日：2019-09-25
Inventor： Osamu KATO , Hideki KANEMOTO , Hiroaki ASANO
Abstract: A wireless system can use a shared frequency mainly used by an existing first wireless system under predetermined sharing conditions, and includes a communication unit performing wireless communication with a terminal accommodated in a communication area, at least one sensor disposed around the communication area and measuring reception power of a signal sent from the inside of the communication area via the communication unit, a memory storing beam data indicating a correspondence relationship between a beam direction of the signal and a measurement result in the sensor, a determination unit determining allowable maximum transmission power of the signal in each beam direction on the basis of the sharing conditions and the beam data, and an allocation unit allocating a radio resource to the terminal on the basis of the allowable maximum transmission power in each beam direction and channel state information reported from the terminal.
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公开(公告)号：US20200245151A1
公开(公告)日：2020-07-30
申请号：US16579194
申请日：2019-09-23
Inventor： Osamu KATO , Hideki KANEMOTO , Hiroaki ASANO
IPC: H04W16/14
Abstract: A shared frequency management system that manages sharing of frequencies of a shared frequency band mainly used by a first wireless system with a second wireless system, includes an input unit that receives first border information regarding a first border indicating a border of a first region in which a reception level based on transmission of a first wireless signal using the frequencies of the shared frequency band from the first wireless system becomes a defined value, a deriving unit that derives second border information regarding a second border indicating a border of a second region in which a reception level based on transmission of a second wireless signal using the frequencies of the shared frequency band from the second wireless system becomes the defined value, and a permission condition determination unit that determines a sharing permission condition regarding the frequencies of the shared frequency band for the second wireless system on the basis of the first border information and the second border information.
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公开(公告)号：US20200068586A1
公开(公告)日：2020-02-27
申请号：US16545850
申请日：2019-08-20
Inventor： Osamu KATO , Hiroaki ASANO , Hideki KANEMOTO
Abstract: Provided is a communication terminal configured to communicate with base stations, including a memory and a processor. The processor executes a position acquisition task that acquires position information on the communication terminal, an accumulation task that accumulates connection frequency information and discontinuance frequency information that relate to communication with each of the base stations at a position of the communication terminal, a determination task that determines a connection priority for preferentially making a connection to each of the base stations from a position of the communication terminal, based on the connection frequency information and the discontinuance frequency information at the position of the communication terminal, a connection control task that controls a connection to each of one or more base stations, in a descending order of the determined connection priority, and a communication task that performs data communication with the one or more base stations.
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9.发明申请公开(公告)号：US20200067609A1
公开(公告)日：2020-02-27
申请号：US16551090
申请日：2019-08-26
Inventor： Osamu KATO , Hiroaki ASANO , Hideki KANEMOTO
IPC: H04B17/14 , H04B17/10 , H04B17/318
Abstract: A wireless receiver measures a reception parameter while scanning multiple pieces of reception directivity for an interval during which a signal is not transmitted from a wireless transmitter. The wireless transmitter transmits a signal while scanning multiple pieces of transmission directivity, and the wireless receives measures a reception parameter relating to reception of the signal and determines k pieces of transmission directivity that correspond to high-ranking k results, respectively, of the measurement that have a great reception parameter. The wireless transmitter forms any transmission directivity and transmits a signal, and the wireless receives measures a reception parameter while scanning M pieces of reception directivity and determines reception directivity that is to be used for data communication.
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