Real-time information delivery system for aircraft

Details Real-time information delivery system for aircraft Real-time information delivery system for aircraft

H - Electricity

04

B

H04B 7/185 (2006.01) H04N 7/167 (2006.01) H04N 7/20 (2006.01)

Patent

CA 2270182

A satellite-based digital broadcast system is used to provide real-time news, entertainment and informational programs to aircraft passengers in flight. Transmissions from the satellite occur on a time division multiplex (TDM) downlink with different broadcast programs being transmitted on different TDM channels. A broadcast receiver is carried on board the aircraft, and includes a demultiplexer (60) for demultiplexing the TDM channels to reproduce the original broadcast programs. The broadcast receiver may be adapted to receive and reproduce both audio (65) and video (76) broadcasts, as well as to provide other types of information delivery services. Encryption (72) of the broadcast programs may be used to restrict their use to a specific aircraft or airline company.

Un système de radiodiffusion numérique par satellite est utilisé pour fournir en temps réel des nouvelles et des émissions de divertissement et d'information aux passagers d'un avion en vol. Les transmissions depuis le satellite se font par une liaison descendante à multiplexage temporel (MRT), les différentes émissions radiodiffusées étant transmises sur des canaux MRT différents. Un récepteur de radiodiffusion, disposé à bord de l'avion, comprend un démultiplexeur (60) permettant de démultiplexer les canaux MRT, de façon à reproduire les émissions d'origine. Il peut être conçu pour recevoir et reproduire aussi bien des émissions audio (64) que vidéo (76), ainsi que pour fournir d'autres types de services de distribution d'informations. Les émissions peuvent être cryptées (72), de façon à limiter leur utilisation à un certain avion ou à une certaine compagnie aérienne.

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