Technique for achieving the full coding gain of encoded digital

Details Technique for achieving the full coding gain of encoded digital Technique for achieving the full coding gain of encoded digital

1989-11-20

1992-03-10

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

375 58, 375 60, H04B 1404

Patent

active

050954970

ABSTRACT:
In a telephone local loop transmission arrangement, data is communicated from the customer premises to the central office utilizing a multi-dimensional, passband signal illustratively at 480 kb/s. Specifically, the transmitted signal is encoded in a trellis code and precoded using a generalized partial response filter. The received signal is processed by a circuitry that implements a trellis decoding in combination with nonlinear filtering.

REFERENCES:
patent: 3947767 (1976-03-01), Koik et al.
patent: 4114710 (1978-09-01), Katoh et al.
patent: 4888775 (1989-12-01), Karabed et al.
patent: 4924492 (1990-06-01), Gitlin et al.

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