Abstract: A satellite communication system may be configured to establish multiple different tunnels between a first satellite modem and a second satellite modem in accordance with a protocol. The first satellite modem may receive a packet via a tunnel established in accordance with a different protocol, determine an endpoint identifier corresponding to the tunnel based on information from one or more headers included in the packet, identify one of the multiple different tunnels that corresponds to the tunnel, generate a corresponding packet omitting at least a portion of the information from the one or more headers and comprising at least a portion of data included in a payload of the packet and an information block comprising a tunnel index corresponding to the identified one of the multiple different tunnels, and transmit the corresponding packet to the second satellite modem via the identified one of the multiple different tunnels.

Abstract: While lithium-air batteries have been known, in which oxygen in the air is used as a positive electrode active material and lithium is used as a negative electrode active material, it is desired to provide a battery system capable of efficient utilization of oxygen. A battery system is provided, including: a lithium-oxygen battery; an oxygen compressing unit configured to compress oxygen released from the lithium-oxygen battery; a storage unit configured to store oxygen compressed by the oxygen compressing unit; and an oxygen supplying unit configured to supply oxygen stored in the storage unit to the lithium-oxygen battery.

Abstract: Provided is a system, including: a first communication apparatus including a first directional antenna; and a second communication apparatus, loaded on a mobile object, including a second directional antenna, wherein the first communication apparatus includes: a first adjustment performing unit configured to perform a calibration of the first directional antenna; and a first notification information transmitting unit configured to transmit a first notification information to the second communication apparatus according to a completion of a calibration of the first directional antenna by the first adjustment performing unit; and wherein the second communication apparatus includes a second adjustment performing unit configured to perform a calibration of the second directional antenna according to a receipt of the first notification information.

Abstract: Provided is a communication control apparatus configured to control communication of a flying body configured to form a wireless communication area by applying a beam toward the ground to provide wireless communication service for a user terminal in the wireless communication area. The communication control apparatus comprises an inner area forming unit configured to form an inner wireless communication area having a radius of about 100 km or shorter; and an outer area forming unit configured to form, on an outer side of the inner wireless communication area, an outer wireless communication area constituted by an outer peripheral cell, the outer peripheral cell having a radius of about 50 km or shorter.

Abstract: Provided is a system comprising a projector; and a control device, wherein the control device includes a projector position information acquisition unit for acquiring projector position information indicative of a position of the projector, a flight vehicle position information acquisition unit for acquiring flight vehicle position information indicative of a position of a flight vehicle on which a solar cell panel is mounted, and an irradiation direction control unit for controlling an irradiation direction of light emitted from the projector, based on the projector position information and the flight vehicle position information.

Abstract: Provided is a control device for controlling a flight vehicle including a solar cell panel, and an antenna for forming a communication area on the ground to provide wireless communication service for a user terminal in the communication area by using electric power generated by the solar cell panel. The control device comprises a control unit for controlling a first flight vehicle and a second flight vehicle so that during a first time period, the second flight vehicle of the first flight vehicle and the second flight vehicle is caused not to cover a first target area and the first flight vehicle is caused to cover the first target area, and during a second time period following the first time period, the first flight vehicle is caused not to cover the first target area and the second flight vehicle is caused to cover the first target area.

Abstract: There is provided an image processing device including: an image acquisition unit for acquiring a first image including, as a subject, a first region captured by a first camera which captures an image from a first altitude toward a direction of an altitude lower than the first altitude, and a second image including, as a subject, the first region captured by a second camera which captures an image from a second altitude toward a direction of an altitude lower than the second altitude; and a flying object detection unit for detecting a flying object at an altitude lower than the first altitude and the second altitude, based on a difference between the first region in the first image and the first region in the second image.

Abstract: Provided is a system comprising a projector; and a control device, wherein the control device includes a projector position information acquisition unit for acquiring projector position information indicative of a position of the projector, a flight vehicle position information acquisition unit for acquiring flight vehicle position information indicative of a position of a flight vehicle on which a solar cell panel is mounted, and an irradiation direction control unit for controlling an irradiation direction of light emitted from the projector, based on the projector position information and the flight vehicle position information.

Abstract: Provided is a control device for controlling a flight vehicle including a solar cell panel, and an antenna for forming a communication area on the ground to provide wireless communication service for a user terminal in the communication area by using electric power generated by the solar cell panel. The control device comprises a control unit for controlling a first flight vehicle and a second flight vehicle so that during a first time period, the second flight vehicle of the first flight vehicle and the second flight vehicle is caused not to cover a first target area and the first flight vehicle is caused to cover the first target area, and during a second time period following the first time period, the first flight vehicle is caused not to cover the first target area and the second flight vehicle is caused to cover the first target area.

Abstract: A satellite communication system may be configured to establish multiple different tunnels between a first satellite modem and a second satellite modem in accordance with a protocol. The first satellite modem may receive a packet via a tunnel established in accordance with a different protocol, determine an endpoint identifier corresponding to the tunnel based on information from one or more headers included in the packet, identify one of the multiple different tunnels that corresponds to the tunnel, generate a corresponding packet omitting at least a portion of the information from the one or more headers and comprising at least a portion of data included in a payload of the packet and an information block comprising a tunnel index corresponding to the identified one of the multiple different tunnels, and transmit the corresponding packet to the second satellite modem via the identified one of the multiple different tunnels.

Abstract: There is provided an image processing device including: an image acquisition unit for acquiring a first image including, as a subject, a first region captured by a first camera which captures an image from a first altitude toward a direction of an altitude lower than the first altitude, and a second image including, as a subject, the first region captured by a second camera which captures an image from a second altitude toward a direction of an altitude lower than the second altitude; and a flying object detection unit for detecting a flying object at an altitude lower than the first altitude and the second altitude, based on a difference between the first region in the first image and the first region in the second image.

Abstract: A satellite communication system may be configured to establish multiple different tunnels between a first satellite modem and a second satellite modem in accordance with a protocol. The first satellite modem may receive a packet via a tunnel established in accordance with a different protocol, determine an endpoint identifier corresponding to the tunnel based on information from one or more headers included in the packet, identify one of the multiple different tunnels that corresponds to the tunnel, generate a corresponding packet omitting at least a portion of the information from the one or more headers and comprising at least a portion of data included in a payload of the packet and an information block comprising a tunnel index corresponding to the identified one of the multiple different tunnels, and transmit the corresponding packet to the second satellite modem via the identified one of the multiple different tunnels.

Abstract: While lithium-air batteries have been known, in which oxygen in the air is used as a positive electrode active material and lithium is used as a negative electrode active material, it is desired to provide a battery system capable of efficient utilization of oxygen. A battery system is provided, including: a lithium-oxygen battery; an oxygen compressing unit configured to compress oxygen released from the lithium-oxygen battery; a storage unit configured to store oxygen compressed by the oxygen compressing unit; and an oxygen supplying unit configured to supply oxygen stored in the storage unit to the lithium-oxygen battery.

Abstract: When bandwidth is dynamically allocated for audio communication via satellite communication, newly occurring audio communication can negatively affect the communication quality of the existing audio communication. Provided is a data communication apparatus that communicates via a satellite and includes an allocation control section that allocates in advance, for audio communication via the satellite, a bandwidth that is larger than a bandwidth needed for current audio communication being performed via satellite by at least a predetermined bandwidth. A program causes a computer to function as this data communication apparatus. A satellite communication system includes this data communication apparatus and this satellite.

Abstract: A satellite communication system may be configured to establish multiple different tunnels between a first satellite modem and a second satellite modem in accordance with a protocol. The first satellite modem may receive a packet via a tunnel established in accordance with a different protocol, determine an endpoint identifier corresponding to the tunnel based on information from one or more headers included in the packet, identify one of the multiple different tunnels that corresponds to the tunnel, generate a corresponding packet omitting at least a portion of the information from the one or more headers and comprising at least a portion of data included in a payload of the packet and an information block comprising a tunnel index corresponding to the identified one of the multiple different tunnels, and transmit the corresponding packet to the second satellite modem via the identified one of the multiple different tunnels.

Abstract: A satellite communication system may be configured to establish multiple different tunnels between a first satellite modem and a second satellite modem in accordance with a protocol. The first satellite modem may receive a packet via a tunnel established in accordance with a different protocol, determine an endpoint identifier corresponding to the tunnel based on information from one or more headers included in the packet, identify one of the multiple different tunnels that corresponds to the tunnel, generate a corresponding packet omitting at least a portion of the information from the one or more headers and comprising at least a portion of data included in a payload of the packet and an information block comprising a tunnel index corresponding to the identified one of the multiple different tunnels, and transmit the corresponding packet to the second satellite modem via the identified one of the multiple different tunnels.

Abstract: A satellite communication system may be configured to establish multiple different tunnels between a first satellite modem and a second satellite modem in accordance with a protocol. The first satellite modem may receive a packet via a tunnel established in accordance with a different protocol, determine an endpoint identifier corresponding to the tunnel based on information from one or more headers included in the packet, identify one of the multiple different tunnels that corresponds to the tunnel, generate a corresponding packet omitting at least a portion of the information from the one or more headers and comprising at least a portion of data included in a payload of the packet and an information block comprising a tunnel index corresponding to the identified one of the multiple different tunnels, and transmit the corresponding packet to the second satellite modem via the identified one of the multiple different tunnels.

Abstract: An object of the present invention is to provide an antenna control system and a method capable of consistently maintaining an optimum orientation point between a donor antenna and an adjacent base station.

Abstract: When bandwidth is dynamically allocated for audio communication via satellite communication, newly occurring audio communication can negatively affect the communication quality of the existing audio communication. Provided is a data communication apparatus that communicates via a satellite and includes an allocation control section that allocates in advance, for audio communication via the satellite, a bandwidth that is larger than a bandwidth needed for current audio communication being performed via satellite by at least a predetermined bandwidth. A program causes a computer to function as this data communication apparatus. A satellite communication system includes this data communication apparatus and this satellite.

Abstract: A satellite communication system may be configured to establish multiple different tunnels between a first satellite modem and a second satellite modem in accordance with a protocol. The first satellite modem may receive a packet via a tunnel established in accordance with a different protocol, determine an endpoint identifier corresponding to the tunnel based on information from one or more headers included in the packet, identify one of the multiple different tunnels that corresponds to the tunnel, generate a corresponding packet omitting at least a portion of the information from the one or more headers and comprising at least a portion of data included in a payload of the packet and an information block comprising a tunnel index corresponding to the identified one of the multiple different tunnels, and transmit the corresponding packet to the second satellite modem via the identified one of the multiple different tunnels.