Method and apparatus for providing control channel communication

Details Method and apparatus for providing control channel communication Method and apparatus for providing control channel communication

1996-09-17

1999-04-20

Pham, Chi H.

Pulse or digital communications

Transceivers

Modems

455 42, 455 51, 348 12, H04B 138, H04L 516

Patent

active

058964142

ABSTRACT:
In a information distribution system, a control channel modem that provides independent communications channels for bi-directional message traffic between a service provider and a set-top terminal located within a subscriber's home. The modem transmits messages, control information and status information between the service provider and the subscriber's set-top terminal using an independent channel (downstream path) that is different from the channel (upstream path) used for sending requested information such as movies from the service provider to the subscriber's home.

REFERENCES:
patent: 4688248 (1987-08-01), Tomizawa
patent: 5355162 (1994-10-01), Yazolino et al.
patent: 5625651 (1997-04-01), Cioffi

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