Satellite communications system and method using multiple...

H - Electricity – 04 – B

Patent

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H04B 7/185 (2006.01)

Patent

CA 2455779

A communication system and method for transmitting data to mobile platforms using multiple simultaneous channels operating at multiple data rates. Each mobile receiver has the capability to receive multiple transmit channels at multiple data rates. Aircraft report their position to a ground based controller which determines which communication channel can be operated without substantial loss of data. Data packets destined for each aircraft are preferably routed to the highest data rate channel that can be received by that aircraft without substantial loss of data. This maximizes the overall system efficiency and throughput. High priority and mission critical data may be transmitted to the aircraft using low data rate channels to increase link availability.

L'invention concerne un système et un procédé de communication permettant de transmettre des données à des plates-formes mobiles au moyen de canaux simultanés multiples fonctionnant à des débits multiples. Chaque récepteur mobile peut recevoir des canaux de transmission multiples à des débits multiples. Un aéronef signale leur position à une unité de commande basée au sol qui détermine le canal de communication pouvant fonctionner sans perte sensible de données. Des paquets de données destinés à chaque aéronef sont acheminés de préférence vers le canal à plus haut débit pouvant être reçu par l'aéronef sans perte sensible de données. Cela permet d'augmenter au maximum l'efficacité et le débit de traitement du système dans son ensemble. Des données de première importance, haute priorité, peuvent être transmises à l'aéronef au moyen de canaux à faible débit, pour augmenter la disponibilité de la liaison.

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