Decoding the output signal of a partial-response class-IV commun

Details Decoding the output signal of a partial-response class-IV commun Decoding the output signal of a partial-response class-IV commun

1985-10-15

1987-02-17

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375102, 340347DD, H04L 300

Patent

active

046445641

ABSTRACT:
A maximum-likelihood sequence decoder is used with a partial-response signaling system for processing sequences of sampled values from a communication channel or recording device. The partial-response signals can be duobinary, dicode, or partial-response class-IV. The maximum-likelihood decoding for each sequence can be based upon a two-state trellis. Instead of two survivor metrics for two states, only a difference metric is necessary.

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patent: 4472813 (1984-09-01), Koike et al.
patent: 4483012 (1984-11-01), Wei

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