Air traffic surveillance and communication system

G - Physics – 01 – C

Patent

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Details

G01C 21/00 (2006.01) G01S 13/76 (2006.01) G01S 13/91 (2006.01) G01S 13/93 (2006.01) G01S 1/00 (2006.01) G01S 7/00 (2006.01) G01S 13/86 (2006.01)

Patent

CA 2182562

An air traffic surveillance and communication system for air traffic controllers, includes a plurality of ground based first digital radio transceivers located in specific geographic sectors, respectively, and having a first frequency channel for supporting party-line digital voice and a second frequency channel dedicated to supporting a digital data channel for downlinking surveillance data and for both up-link and down-link data communications. The first and second frequency channels are paired such that each time a frequency change is commanded by the ground both the first and second frequency channels will be automatically tuned to a new air-ground frequency pair. The system further includes a plurality of aircraft based second digital radio transceivers located in each aircraft, respectively, and having corresponding first and second frequency channels and a navigational data source on each aircraft.

Un système de communication et de surveillance du trafic aérien destiné aux contrôleurs aériens comprend une pluralité de premiers émetteurs-récepteurs radio numériques au sol, situés dans des zones géographiques spécifiques, présentant respectivement un premier canal de fréquences destiné à supporter une voix numérique sur ligne partagée et un second canal de fréquence destiné à supporter un canal de données numériques pour la surveillance descendante et la communication de données aussi bien ascendante que descendante. Les premiers et seconds canaux de fréquence sont couplés de façon à être automatiquement accordés à une nouvelle paire de fréquence air-sol, à chaque changement de fréquence commandé à partir du sol. Ledit système comprend en outre une pluralité de seconds émetteurs-récepteurs radio numériques embarqués dans l'aéronef, présentant respectivement de premiers et seconds canaux de fréquence et une source de données de navigation dans chaque aéronef.

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