Aircraft tracking using low cost tagging as a discriminator
First Claim
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1. A method of tagging vehicle identification data to vehicle surveillance data, comprising the steps of:
- receiving a vehicle position data from a vehicle tracking system;
receiving vehicle identification data from a radio signal from the vehicle;
correlating the vehicle identification data to the vehicle position data by;
determining an ellipse of position of the vehicle based at least on travel time of the radio signal, andidentifying the vehicle based on the ellipse of position of the vehicle and a database of possible vehicle locations; and
outputting the vehicle position data tagged with the vehicle identification data.
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Abstract
A simplified multilateration and ADS-B Surveillance System is used, to perform tagging for the FAA Low Cost Ground Surveillance program. This system may also be used as the foundation for a full multilateration system, if a customer wants to upgrade. The present invention uses just one active transmitter/receiver unit as opposed to multiple passive receivers. The present invention captures UF 5 and DF 5 data, thus providing Mode A identification, which then acts as the key to obtaining the call sign from a data fusion packages—thus making it an affordable and marketable product for small to medium-sized airports.
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Citations
20 Claims
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1. A method of tagging vehicle identification data to vehicle surveillance data, comprising the steps of:
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receiving a vehicle position data from a vehicle tracking system; receiving vehicle identification data from a radio signal from the vehicle; correlating the vehicle identification data to the vehicle position data by; determining an ellipse of position of the vehicle based at least on travel time of the radio signal, and identifying the vehicle based on the ellipse of position of the vehicle and a database of possible vehicle locations; and outputting the vehicle position data tagged with the vehicle identification data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for tagging vehicle identification data to vehicle surveillance data including vehicle position data from a vehicle tracking system, the system comprising:
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a data input for receiving vehicle position data from a vehicle tracking system; a radio for receiving vehicle identification data from a radio signal from the vehicle; a computer system for correlating the vehicle identification data to the vehicle position data by determining an ellipse of position of the vehicle based at least on travel time of the radio signal, and identifying the vehicle based on the ellipse of position of the vehicle and a database of possible vehicle locations; and a data output for outputting the vehicle position data tagged with the vehicle identification data. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification