Bidirectional CATV system having losses for equalizing upstream

Details Bidirectional CATV system having losses for equalizing upstream Bidirectional CATV system having losses for equalizing upstream

1995-12-29

1998-11-10

Faile, Andrew I.

Telecommunications

Interference signal transmission

348 12, 348 13, H04N 714

Patent

active

058358447

ABSTRACT:
A gain variance and ingress reduction system reduces the overall ingress of interferers for an entire CATV system return transmission path and allows a reduction in subscriber terminal return transmitter power. The system places a calculated loss at each subscriber tap location. By placing these losses at each subscriber location, the headend receives a more consistent return transmission path gain thereby reducing the terminal return transmitter power range requirement. In addition, the losses reduce return transmission path ingress.

REFERENCES:
patent: 3983486 (1976-09-01), Rheinfelder
patent: 4488126 (1984-12-01), Suthers
patent: 4633202 (1986-12-01), Basile et al.
patent: 5058198 (1991-10-01), Rocci et al.
patent: 5214505 (1993-05-01), Robowsky et al.
patent: 5361394 (1994-11-01), Shigihara
patent: 5485630 (1996-01-01), Lee et al.

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