Variable rate viterbi decorder

Details Variable rate viterbi decorder Variable rate viterbi decorder

1997-03-21

1998-11-03

Baker, Stephen M.

Excavating

H03M 1312

Patent

active

058320016

ABSTRACT:
A variable rate Viterbi decoder comprising: a signal generating means for generating a control signal according to an input code rate and a sampling clock; a memory for storing punctured coded data; a memory control means in which a signal for recognizing valid data is inputted, and a read signal and a write signal are generated according to an input clock, the sampling clock, and the control signal from the signal generating means; a depuncturing means for depuncturing the punctured coded data from the memory according to the sampling clock and the control signal from the signal generating means; and a Viterbi decoding means for decoding the depunctured data from the depuncturing means according to the sampling clock and the control signal from the signal generating means.

REFERENCES:
patent: 5331665 (1994-07-01), Busschaert et al.
patent: 5438590 (1995-08-01), Tzukerman et al.
patent: 5509020 (1996-04-01), Iwakiri et al.
patent: 5710784 (1998-01-01), Kindred et al.

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