Communication between a fixed network and a movable network...

Details Communication between a fixed network and a movable network... Communication between a fixed network and a movable network...

H - Electricity

04

B

H04B 7/185 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2393905

A satellite telephone system for communication between a fixed network (4) and a moveable network (1) on board a vehicle, has means for suspending operation of the moveable network, for example when the moveable network could interfere with a fixed network, during safety-critical stages of a flight, or to enforce "quiet" periods on board. When operation of the moveable network (1) is suspended a control signal is transmitted to the fixed network (4), causing the fixed network (4) to intercept calls directed to the moveable network, thereby avoiding unnecessary signal traffic over the satellite link (3, 6, 13). The moveable network may be a wireless network (Figures 1, 2), or a wired network (Figure 4).

L'invention concerne un système téléphonique par satellite de communication entre un réseau fixe (4) et un réseau mobile (1) à bord d'un véhicule. Ledit système comprend des organes destinés à suspendre le fonctionnement du réseau mobile, par exemple lorsque le réseau mobile crée des perturbations dans le réseau fixe, au cours d'une partie de vol critique pour la sécurité, ou pour bénéficier de moments de tranquilité à bord. Lorsque le fonctionnement du réseau mobile (1) est suspendu, un signal de commande est transmis au réseau fixe (4), permettant au réseau fixe (4) d'intercepter des appels dirigés au réseau mobile, évitant ainsi tout trafic de signaux inutile sur la liaison satellite (3, 6, 13). Le réseau mobile peut être un réseau sans fil (Figures 1, 2) ou un réseau câblé (Figure 4).

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