Pulse or digital communications – Repeaters – Testing
Patent
1991-10-11
1992-11-10
Kuntz, Curtis
Pulse or digital communications
Repeaters
Testing
375 39, 375 99, 371 43, H04B 110
Patent
active
051628120
ABSTRACT:
In a telephone local loop transmission arrangement, data is communicated from the customer premises to the central office utilizing a multidimensional, 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: 4651320 (1987-03-01), Thapar
Aman Ahmad K.
Cupo Robert L.
Zervos Nicholas A.
AT&T Bell Laboratories
Bocure Tesfaldet
Kuntz Curtis
Padnes David R.
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