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公开(公告)号：EP3952382A1
公开(公告)日：2022-02-09
申请号：EP20776851.6
申请日：2020-01-27
申请人： Hapsmobile Inc.
发明人： SAI, Jutatsu
摘要： There is provided a wireless communication device configured to be mounted to a flying body, comprising: a plurality of radio units including a first radio unit and a second radio unit; and a control unit configured to control each of the plurality of radio units to form a cell, thereby forming the multi-cell on the ground, wherein the control unit has a removal processing performing unit configured to perform, based on a first reception radio wave in which the first radio unit received a first transmission radio wave which includes a first signal transmitted by a first user terminal located in an area of a first cell formed by the first radio unit, and a second reception radio wave in which the second radio unit received a second transmission radio wave which includes a second signal transmitted by a second user terminal located in an area of a second cell formed by the second radio unit, removal processing to remove a component of the first transmission radio wave contained as an interference wave in the second reception radio wave.
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公开(公告)号：EP3855807A1
公开(公告)日：2021-07-28
申请号：EP19873709.0
申请日：2019-08-09
申请人： Hapsmobile Inc.
发明人： SAI, Jutatsu
摘要： Provided is a base station device that is mounted in a flying object, forms a communication area on a ground, establishes a communication connection with a user terminal in the communication area, and provides a radio communication service to the user terminal. The base station device includes a connection control unit that, in a case where the number of connected terminals is larger than a first threshold, performs admission control in response to a connection request received from the user terminal in the communication area, and in a case where the number of connected terminals is smaller than the first threshold and larger than a second threshold smaller than the first threshold, periodically selects a connection allowable group that allows connection from a plurality of groups of the user terminals, executes a connection establishment process in response to a connection request from a user terminal included in the connection allowable group, and executes a request rejection process that rejects a connection request from a user terminal not included in the connection allowable group.
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公开(公告)号：EP3846541A1
公开(公告)日：2021-07-07
申请号：EP19873060.8
申请日：2019-08-09
申请人： Hapsmobile Inc.
发明人： SAI, Jutatsu
摘要： Provided is a base station device mounted on an aircraft and configured to form a communication area on the ground to provide wireless communication service for a user terminal in the communication area. The base station device comprises a CPU; a determination unit configured to determine whether to execute congestion control in the wireless communication service, based on a use status of a CPU stack message queue of the CPU; and a congestion control execution unit that executes the congestion control when the determination unit determines to execute the congestion control.
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公开(公告)号：EP4059840A1
公开(公告)日：2022-09-21
申请号：EP20886858.8
申请日：2020-08-20
申请人： Hapsmobile Inc.
发明人： SAI, Jutatsu
摘要： A system having flying objects, each of which includes: a beacon signal transmission unit for wirelessly transmitting a beacon signal including rank information representing the flying object is at, a first rank when wirelessly connected with a gateway, a second rank when wirelessly connected with a flying object at the first rank, and a third rank when wirelessly connected with a flying object at the second rank; a flying object identification unit for identifying, when wirelessly connected with any flying object among the flying objects, flying objects from which strength of a radio wave received is stronger than threshold; and a flying object determination unit for determining a flying object with which wireless connection is to be performed, from the identified flying objects and based on the strength of radio wave received from each of the flying objects and a rank of the each of the flying objects, is provided.
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公开(公告)号：EP3800928A1
公开(公告)日：2021-04-07
申请号：EP19860339.1
申请日：2019-07-31
申请人： Hapsmobile Inc.
发明人： SAI, Jutatsu
摘要： Provided is a control device for controlling flight vehicles, each of the flight vehicles having an antenna configured to form a cell on a ground and provide wireless communication service to a user terminal in the cell, the control device including a replacement control unit configured to control replacement of a first flight vehicle that covers a target area on the ground by a cell in a first frequency band with a second flight vehicle, in which the replacement control unit is configured to control the replacement such that, after the second flight vehicle moves to a location corresponding to a location of the first flight vehicle, the first flight vehicle continues using one part of a frequency band in the first frequency band and stops using a remaining part of the frequency band in the first frequency band, and also the second flight vehicle forms a cell in a frequency band excluding the one part of the frequency band but including the remaining part of the frequency band, which overlaps with the cell formed by the first flight vehicle, and the first flight vehicle stops forming the cell.
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公开(公告)号：EP4271100A1
公开(公告)日：2023-11-01
申请号：EP21910542.6
申请日：2021-12-15
申请人： HAPSMobile Inc.
发明人： SAI, Jutatsu
摘要： Provided is a base station device which is mounted to a flight vehicle and forms a multi-cell including a plurality of cells on a ground to provide a wireless communication service to a user terminal in the multi-cell, the base station device including a location information acquisition unit which acquires location information of a user terminal present in the multi-cell, a flight vehicle associated information acquisition unit which acquires flight vehicle associated information including location information and attitude information of the flight vehicle, an interference estimation unit which estimates, based on location information of a plurality of the user terminals and the flight vehicle associated information, an interfered user terminal having a chance of experiencing an interference from a cell other than a cell in which the user terminal is present among the plurality of user terminals and an interference amount, an MCS decision unit which decides an MCS of an uplink to be assigned to the interfered user terminal based on the interference amount, and an MCS notification unit which notifies the interfered user terminal of the MCS decided by the MCS decision unit.
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公开(公告)号：EP4271096A1
公开(公告)日：2023-11-01
申请号：EP21910540.0
申请日：2021-12-15
申请人： HAPSMobile Inc.
发明人： SAI, Jutatsu
摘要： Provided is a base station apparatus mounted on a flight vehicle and forming a multi-cell comprising cells on the ground to provide a wireless communication service for a user terminal within the multi-cell, comprising: a location-information acquiring unit that acquires location information of a user terminal served by the multi-cell; a flight-vehicle-related information acquiring unit that acquires flight-vehicle-related information comprising location information and attitude information of the flight vehicle; a terminal identification unit that identifies, among the user terminals, a victim user terminal expected to receive interference from a cell other than a cell serving, based on the location information of the user terminals and the flight-vehicle-related information; and a scheduling control unit that controls, to prevent the interference, scheduling of wireless resources of a first cell being the cell serving the victim user terminal, and a second cell being the cell expected to interfere with the victim user terminal.
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8.发明公开
公开(公告)号：EP3952394A1
公开(公告)日：2022-02-09
申请号：EP20784838.3
申请日：2020-01-27
申请人： Hapsmobile Inc.
发明人： SAI, Jutatsu
摘要： Provided is a communication control apparatus configured to control communication of a flying body configured to form a cell by irradiating a beam toward the ground to provide wireless communication service for a user terminal in the cell. The communication control apparatus comprises: a determination unit configured to determine a user terminal of an offload target to be offloaded and a cell of an offload destination, based on a neighbor cell list of the cell of the flying body, a frequency priority list in which priorities are each associated with each of a plurality of frequencies, a radio resource usage rate of each of the plurality of user terminals that exists in the cell of the flying body, and an MCS of each of the plurality of user terminals; and a control unit configured to cause the user terminal of the offload target to be handed over to the cell of the offload destination.
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