Supporting multiple upstream and downstream channels in a...

Details Supporting multiple upstream and downstream channels in a... Supporting multiple upstream and downstream channels in a...

H - Electricity

04

L

H04L 12/28 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2431282

A circuit for a cable modem termination system is provided. The circuit includes a backplane interface and a packet processing engine coupled to the backplane interface. The circuit further includes a plurality of media access control (MAC) circuits, each media access control circuit coupled to the packet processing engine, each MAC circuit supporting one of N contiguous downstream channels with a single upconverter and each MAC circuit also supporting a plurality of upstream channels.

L'invention concerne un système de terminaison de modem par câble. Le circuit comprend une interface de panneau arrière et un moteur de traitement de paquets, couplés à l'interface de panneau arrière. Le circuit comprend en outre plusieurs circuits d'accès aux supports (MAC); chaque circuit de commande d'accès aux supports est couplé au moteur de traitement de paquets, et chaque circuit MAC prend en charge N voies aval contiguë avec un convertisseur amont unique. Chaque circuit MAC prend également en charge plusieurs canaux amont.

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