Viterbi Free Download

Viterbi Description:
This package implements an encoder and a Viterbi decoder for the NASA
standard rate 1/2 constraint length 7 convolutional code.

Also included are support routines to generate metric tables that are
optimized for gaussian noise with a specified Eb/N0 ratio, and a test
driver that exercises the encoder/decoder routines and keeps statistics.

The following files are included:

Makefile for BSDI 1.1
README this file
genbut.c utility program for generating inline macro calls
metrics.c generate soft-decision metrics for AWGN channel
sim.c transmitter/channel simulator (including gaussian noise gen)
tab.c lookup table for parity generation
viterbi.c the encoder and Viterbi decoder routines
vittest.c driver program for testing

The test program in vittest.c creates a test frame, encodes it, adds
gaussian noise and decodes it. It then repeats a specified number of
times, keeping count of bit errors and errored frames (frames with at
least one error).

Viterbi: Viterbi decoder
Publisher: ftp.ch.freebsd.org
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Category: Dsp 
Publisher: ftp.ch.freebsd.org    More titles >>
Last Updated: 9/23/2003
Requirements: Not specified
License: Not Specified
Operating system: Linux
Hits: 210
File size: Not specified
Price: Not specified

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