Method for protecting location privacy of air traffic communications
First Claim
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1. A method of protecting location privacy of air traffic communications from unauthorized monitoring of aircraft locations in an uncontrolled airspace comprising:
- designating a bounded region of uncontrolled airspace;
ceasing transmission of a traffic beacon by each aircraft of a plurality of aircraft upon the aircraft entering the bounded region;
updating a unique identifier associated with each of the aircraft while the aircraft is traversing the bounded region.
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Abstract
Methods of protecting location privacy of air traffic communications from unauthorized monitoring of aircraft locations in an uncontrolled airspace include designating a bounded region of uncontrolled airspace; ceasing transmission of a traffic beacon by each aircraft of a plurality of aircraft upon the aircraft entering the bounded region; and updating a unique identifier associated with each of the aircraft while the aircraft is traversing the bounded region.
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Citations
20 Claims
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1. A method of protecting location privacy of air traffic communications from unauthorized monitoring of aircraft locations in an uncontrolled airspace comprising:
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designating a bounded region of uncontrolled airspace; ceasing transmission of a traffic beacon by each aircraft of a plurality of aircraft upon the aircraft entering the bounded region; updating a unique identifier associated with each of the aircraft while the aircraft is traversing the bounded region. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of protecting location privacy of air traffic communications from unauthorized monitoring of aircraft locations in an uncontrolled airspace comprising:
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computing a random time period from a bounded range of values; ceasing transmission of a traffic beacon by each aircraft of a plurality of aircraft at a random time instance and random location; updating a unique identifier associated with each of the aircraft while the aircraft is not transmitting during the chosen random time period. - View Dependent Claims (9)
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10. A method for mitigating location tracking and enhancing aircraft location privacy comprising:
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defining a plurality of aircraft navigating as a cooperating group, wherein each aircraft of the cooperating group is geographically proximate to the remaining aircraft in the group, and wherein each aircraft of the cooperating group is travelling at approximately the same average velocity and in a generally similar direction; selecting a group leader aircraft from the cooperating group of aircraft, the group leader aircraft configured to receive an air traffic beacon from each of the remaining aircraft of the cooperating group; reducing a transmission range of an associated air traffic beacon by each of the remaining aircraft of the cooperating group, the reduced transmission range sufficient for each of the aircraft to communicate with the group leader and with the remaining aircraft; and providing location information of all aircraft in the cooperating group to the airborne and ground station equipment outside the cooperating group, through the traffic beacons from the group leader. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A system for mitigating location tracking and enhancing aircraft location privacy comprising:
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a plurality of aircraft navigating as a cooperating group, each aircraft of the cooperating group being geographically proximate to the remaining aircraft in the group;
each aircraft of the cooperating group travelling at approximately the same average velocity and in a generally similar direction;each aircraft including an ADS-B type air traffic communication system, and each aircraft configured to; select a group leader aircraft from the cooperating group of aircraft; reduce a transmission range of an associated air traffic beacon by each of the remaining aircraft of the cooperating group, the reduced transmission range sufficient for each of the aircraft to communicate with the group leader and the remaining aircraft of the cooperating group; and provide location information for all aircraft of the cooperating group to the group leader; the group leader aircraft configured to receive an air traffic beacon from each of the remaining aircraft of the cooperating group and to communicate its own traffic beacons with airborne and ground station equipment located outside the group.
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Specification