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SVN r8748

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This commit is contained in:
Jordan Sherer
2018-06-14 21:27:34 -04:00
parent 419c039d08
commit 4f1fe4fc94
581 changed files with 69338 additions and 39836 deletions
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.svn/pristine/33/336fb994410d84e79d329e6110c4b41f1230f147.svn-base
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.svn/pristine/33/33e517aafc662a6a1b820e7ed1ba490cee3a695b.svn-base
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#!/bin/sh
# Example of a (2000,1000) LDPC code with 3 checks per bit and 6 bits per
# check, tested on Additive White Gaussian Noise channels with noise standard
# deviations varying from 0.80 to 0.95.
#
# Testing is done by transmitting random messages, which is safer (though
# slower) than using only zero messages. Decoding is done using a maximum
# of 250 iterations of probability propagation.
set -e # Stop if an error occurs
set -v # Echo commands as they are read
make-ldpc ex-ldpc36-1000a.pchk 1000 2000 1 evenboth 3 no4cycle
make-gen ex-ldpc36-1000a.pchk ex-ldpc36-1000a.gen dense
rand-src ex-ldpc36-1000a.src 1 1000x100
encode ex-ldpc36-1000a.pchk ex-ldpc36-1000a.gen ex-ldpc36-1000a.src \
ex-ldpc36-1000a.enc
# NOISE STANDARD DEVIATION 0.80, Eb/N0 = 1.94 dB
transmit ex-ldpc36-1000a.enc ex-ldpc36-1000a.rec 1 awgn 0.80
decode ex-ldpc36-1000a.pchk ex-ldpc36-1000a.rec ex-ldpc36-1000a.dec awgn 0.80\
prprp 250
verify ex-ldpc36-1000a.pchk ex-ldpc36-1000a.dec ex-ldpc36-1000a.gen \
ex-ldpc36-1000a.src
# NOISE STANDARD DEVIATION 0.85, Eb/N0 = 1.41 dB
transmit ex-ldpc36-1000a.enc ex-ldpc36-1000a.rec 1 awgn 0.85
decode ex-ldpc36-1000a.pchk ex-ldpc36-1000a.rec ex-ldpc36-1000a.dec awgn 0.85\
prprp 250
verify ex-ldpc36-1000a.pchk ex-ldpc36-1000a.dec ex-ldpc36-1000a.gen \
ex-ldpc36-1000a.src
# NOISE STANDARD DEVIATION 0.90, Eb/N0 = 0.92 dB
transmit ex-ldpc36-1000a.enc ex-ldpc36-1000a.rec 1 awgn 0.90
decode ex-ldpc36-1000a.pchk ex-ldpc36-1000a.rec ex-ldpc36-1000a.dec awgn 0.90\
prprp 250
verify ex-ldpc36-1000a.pchk ex-ldpc36-1000a.dec ex-ldpc36-1000a.gen \
ex-ldpc36-1000a.src
# NOISE STANDARD DEVIATION 0.95, Eb/N0 = 0.45 dB
transmit ex-ldpc36-1000a.enc ex-ldpc36-1000a.rec 1 awgn 0.95
decode ex-ldpc36-1000a.pchk ex-ldpc36-1000a.rec ex-ldpc36-1000a.dec awgn 0.95\
prprp 250
verify ex-ldpc36-1000a.pchk ex-ldpc36-1000a.dec ex-ldpc36-1000a.gen \
ex-ldpc36-1000a.src