Broadcast systems with wireless request channel

Details Broadcast systems with wireless request channel Broadcast systems with wireless request channel

H - Electricity

04

H

H04H 20/00 (2008.01) H04H 60/09 (2008.01) H04B 7/185 (2006.01) H04Q 7/00 (2006.01)

Patent

CA 2266702

An information broadband broadcast system selected from cable and satellite for broadcasting requested information from a selected information source, including the Internet (17), to one or more selected subscriber stations (10) includes an independent backhaul channel for communicating information request signals from a subscriber station to one or more central processing stations. The system includes a data broadcast station for transmitting requested data from the selected data source and central station via the data broadcast station to the one or more selected subscriber stations. The high-data rate broadcast station forwards requested data from a data source to the data broadcast station. A backhaul satellite (14) communication system, independent of the broadband broadcast system, has a backhaul satellite ground terminal (16) for coupling information request signals from backhaul satellite communication system to high data broadcast station terminal (19). Each subscriber station has a broadband broadcast receiver (21).

Système de diffusion d'informations large bande, par câble ou satellite pour diffuser des informations demandées depuis une source d'informations sélectionnée, y compris l'Internet (17), vers un ou plusieurs postes d'abonnés sélectionnés (10). Ce système comporte une voie de liaison secondaire indépendante pour communiquer des signaux de demande d'informations d'un poste d'abonné vers une ou plusieurs stations de traitement centrales. Il comporte une station de diffusion d'informations pour transmettre les données requises depuis la source d'informations sélectionnée vers la station centrale via la station de radiodiffusion d'informations. Un système de communication par satellite de liaison secondaire (14), indépendant du système de diffusion large bande, possède un terminal terrestre (16) de satellite pour raccorder les signaux de demande d'informations du système de communication à satellite au terminal de station de radiodiffusion à débit binaire élevé (19). Chaque poste d'abonné dispose d'un récepteur de radiodiffusion large bande (21).

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