Abstract:
Embodiments of methods and apparatus for providing distributed airborne wireless communications are provided herein. In some embodiments, an airborne wireless service area includes: an airborne fleet, comprised of a plurality of aircraft, wherein the airborne fleet is configured to transmit a plurality of first beams at a first radio frequency (RF), wherein the plurality of first beams are characterized by corresponding first frequency band, channel, bandwidth, transmission format, uneven angular field intensity distribution, and boundaries, wherein neighboring first beams have an overlap region, and wherein at least one of the following characteristics is different between the neighboring first beams: frequency band, channel, or transmission format; and a plurality of first communication cells defined by respective boundaries of the plurality of first beams, wherein each of the first communication cells are characterized by their size, shape, and position.
Abstract:
An aircraft for vertical take-off and landing includes an aircraft frame having an open frame portion, at least one vertical thruster, a pod, separable from the aircraft and including a cabin to contain at least one of cargo and passengers, where the pod, when mounted to the aircraft, defines at least a portion of the aircraft frame, and a mounting system including at least one attachment member configured to attach the pod to the open frame portion. Such aircraft is capable of flight with and without the pod.
Abstract:
Embodiments of methods for providing distributed airborne wireless communications are provided herein. In some embodiments, a method of providing wireless communication services includes: receiving a radio frequency (RF) signal from a first area by a distributed airborne communication payload, wherein the distributed airborne communication payload is comprised of sections located on respective ones of a plurality of airborne platforms; relaying the RF signal along the sections located on different airborne platforms; and transmitting the RF signal to a second area.
Abstract:
Embodiments of methods and apparatus for close formation flight are provided herein. In some embodiments, a method for establishing situational awareness during formation flight includes exchanging transponder signals between at least two aircraft, establishing two-way communication links between the at least two aircraft, exchanging telemetry data between the at least two aircraft, and assigning the roles of a leader and a follower to the aircraft.
Abstract:
Embodiments of methods and apparatus for close formation flight are provided herein. In some embodiments, a method of operating aircraft for flight in close formation includes establishing a communication link between a first aircraft and a second aircraft, assigning to at least one of the first aircraft or the second aircraft, via the communication link, initial positions relative to one another in the close formation, providing flight control input for aligning the first and second aircraft in their respective initial positions, tracking, by at least one aircraft in the close formation, at least one vortex-generated by at least one other aircraft in the close formation, and based on the tracking, providing flight control input to adjust a relative position between the first aircraft and the second aircraft.
Abstract:
Methods and apparatus to harvest renewable energy are provided herein. In some embodiments, a method to harvest renewable energy includes providing an aircraft suitable for untethered flight in an open airspace and an airborne kinetic energy conversion system attached to the airframe, the airborne kinetic energy conversion system comprising a turbine, a generator connected to the turbine, and electrical storage means connected to the generator; flying the aircraft; gaining excess kinetic energy; and converting excess kinetic energy into electricity using the kinetic energy conversion system.
Abstract:
Embodiments of methods and apparatus for close formation flight are provided herein. In some embodiments, an apparatus for close formation flight, comprises a plurality of sensors for collecting measurements characterizing airflow near an aircraft. The plurality of sensors are attachable to at least one of a wing, fuselage, or tail of the aircraft, and the measurements provide information about airflow velocity in a direction transverse to a direction of the aircraft flight.
Abstract:
Embodiments of the present invention provide an aircraft for vertical take-off and landing. In various embodiments, an aircraft assembly includes at least one first wing portion providing a lift force during a horizontal flight, at least one wing opening disposed on a vertical axis of the at least one first wing portion and at least one thruster positioned inside the at least one wing opening to provide vertical thrust during a vertical flight. The aircraft assembly can further include air vents positioned inside at least one of the wing openings. The air vents can further include louvres positioned over or under the air vents to open and close the wing openings. The thruster can further be used to provide flight control for the aircraft.
Abstract:
Embodiments of methods for providing distributed airborne wireless communications are provided herein. In some embodiments, a method of providing wireless communication services includes: receiving a radio frequency (RF) signal from a first area by a distributed airborne communication payload, wherein the distributed airborne communication payload is comprised of sections located on respective ones of a plurality of airborne platforms; relaying the RF signal along the sections located on different airborne platforms; and transmitting the RF signal to a second area.
Abstract:
Methods and apparatus for providing distributed airborne wireless communications are provided. An airborne wireless communication system may include: an airborne fleet comprising a plurality of airborne platforms; a distributed communication payload subdivided into parts, each distributed on respective airborne platforms. The communication payload comprises air-to-user link equipment and air-to-air link equipment to provide communications between the airborne wireless communication system and end-users and between individual airborne platforms; and payload control electronics to control the air-to-user and air-to-air equipment and manage operation of the airborne wireless communication system. The air-to-user link equipment comprises an RF antenna to produce an RF beam in a direction towards the ground. A communication cell is defined on the ground and in the airspace below the fleet bounded by a boundary of the RF beam. The air-to-user communication equipment is configured to provide communication links between the airborne fleet and end-user devices within the communication cell.