Digital return path for hybrid fiber/coax network

Details Digital return path for hybrid fiber/coax network Digital return path for hybrid fiber/coax network

H - Electricity

04

B

H04B 10/14 (2006.01) H04B 10/04 (2006.01) H04B 10/06 (2006.01) H04N 7/01 (2006.01) H04N 7/10 (2006.01) H04N 7/22 (2006.01) H04N 7/16 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2367567

A hybrid fiber/coax network is provided. The network includes a head end with at least one optical distribution node coupled to the head end over at least one fiber optic link. A plurality of coaxial cable links are coupled to each of the at least one optical distribution node. Further a transmitter is disposed at the optical distribution node. The transmitter is responsive to signals from the plurality of coaxial cable links. The transmitter converts analog signals to baseband digital signals and transmits the baseband digital signals to the head end over the at least one optical link. A receiver is disposed at the head end. The receiver is responsive to the digital signals from the transmitter and converts the digital signals to analog signals for the head end.

L'invention concerne un réseau hybride constitué de fibres optiques et de câbles coaxiaux. Ledit réseau comprend une tête de ligne, un noeud de distribution optique au moins étant couplé à la tête de ligne via une/des liaisons optiques. Une pluralité de câbles coaxiaux sont couplés à chacun des noeuds de distribution optique. En outre, un émetteur est disposé au niveau du noeud de distribution optique. Cet émetteur réagit aux signaux provenant de la pluralité de câbles coaxiaux. Il convertit les signaux analogiques en signaux numériques bande de base, et il émet ces signaux numériques bande de base en direction de la tête de ligne via la/les liaisons optiques. Un récepteur est disposé au niveau de la tête de ligne. Le récepteur réagit aux signaux numériques en provenance de l'émetteur, et il les convertit en signaux analogiques pour la tête de ligne.

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