Improved method and arrangements for wireless communication...

Details Improved method and arrangements for wireless communication... Improved method and arrangements for wireless communication...

H - Electricity

04

B

H04B 7/185 (2006.01)

Patent

CA 2545500

The invention relates to mobile communication systems using wireless network cells inside a vehicle, such as an aircraft, other airborne vessel, ship or train while aboard, and using satellite communications between the cells inside the vehicle and the terrestrial communication system. According to the invention there is an emulator functionality provided at both ends of the satellite communication link. The emulator is capable of providing required state signalling without a connection between the base station and the base station controller, and therefore the satellite communication link can be switched to off state when it is not needed for transferring calls or other information. The invention also provides a possibility to use alternative satellite connections depending on the location of the vehicle.

L'invention se rapporte à des systèmes de communication mobile utilisant ces cellules de réseau sans fil à l'intérieur d'un véhicule, notamment un aéronef, un autre véhicule aéroporté, un bateau ou un train se trouvant à bord et utilisant une communication satellite entre les cellules contenues dans le véhicule et le système de communication terrestre. Selon l'invention, on prévoit une fonctionnalité d'émulateur sur les deux extrémités de la liaison de communication satellite. L'émulateur est apte à fournir une signalisation d'état nécessaire sans connexion entre la station de base et le contrôleur de station de base, et la liaison de communication satellite peut, par conséquent, être à l'état de repos lorsqu'il n'est pas nécessaire de transférer des appels ou une autre information. L'invention concerne également la possibilité d'utiliser des connexions satellites autres d'après l'emplacement du véhicule.

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