Error correction systems with modified Viterbi decoding

Details Error correction systems with modified Viterbi decoding Error correction systems with modified Viterbi decoding

1993-12-22

1996-07-23

Envall, Jr., Roy N.

Excavating

G06F 1110, H03M 1312

Patent

active

055397573

ABSTRACT:
In a communications system, a convolutional encoder encodes data from a data source and a modified Viterbi decoder decodes the encoded data after the encoded dated passes through an error producing channel. The decoder calculates selected metric increments, known as kernel metric increments, for half the states, and selects survivor metrics for all states.

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