diff options
| author | Author Name <[email protected]> | 2023-07-07 12:20:59 +0930 |
|---|---|---|
| committer | David Rowe <[email protected]> | 2023-07-07 12:29:06 +0930 |
| commit | ac7c48b4dee99d4c772f133d70d8d1b38262fcd2 (patch) | |
| tree | a2d0ace57a9c0e2e5b611c4987f6fed1b38b81e7 /unittest/ofdm_check | |
shallow zip-file copy from codec2 e9d726bf20
Diffstat (limited to 'unittest/ofdm_check')
| -rwxr-xr-x | unittest/ofdm_check | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/unittest/ofdm_check b/unittest/ofdm_check new file mode 100755 index 0000000..a4b80ed --- /dev/null +++ b/unittest/ofdm_check @@ -0,0 +1,68 @@ +#! /bin/bash + +# ofdm_check +# +# A series of checks of the ofdm functions, mostly decode. +# +# This uses ofdm_mod to supply test data to ofdm_demod and mostly +# assumes that the encode function is correct. + +# Define macros to (later) allow testing alternate versions. +alias OFDM_MOD=ofdm_mod +alias OFDM_DEMOD=ofdm_demod +shopt -s expand_aliases + +# PATH +PATH=$PATH:../src + +PASS=1 + +############################### +echo +echo "Simple test, plain, ideal" +OFDM_MOD --in /dev/zero --testframes 100 | + OFDM_DEMOD --out /dev/null --testframes --verbose 1 2> tmp +cat tmp +p1=$(grep '^BER\.*: 0.000' tmp | wc -l) +p2=$(grep '^BER2\.*: 0.000' tmp | wc -l) +if [[ $p1 -eq 1 && $p2 -eq 1 ]]; then echo "OK"; else echo "BAD"; PASS=0; fi + +############################### +echo +echo "Simple test, plain, AWGN" +OFDM_MOD --in /dev/zero --testframes 100 | + cohpsk_ch - - -20 -Fs 8000 -f -5 | + OFDM_DEMOD --out /dev/null --testframes --verbose 1 2>tmp +cat tmp +n=$(grep '^BER\.*:' tmp | cut -d ' ' -f 2) +p1=$(echo $n '<=' 0.10 | bc) +n=$(grep '^BER2\.*:' tmp | cut -d ' ' -f 2) +p2=$(echo $n '<=' 0.10 | bc) +if [[ $p1 -eq 1 && $p2 -eq 1 ]]; then echo "OK"; else echo "BAD"; PASS=0; fi + +############################### +echo +echo "Simple test, LDPC, ideal" +OFDM_MOD --in /dev/zero --ldpc --testframes 100 | + OFDM_DEMOD --out /dev/null --ldpc --testframes --verbose 1 2>tmp +cat tmp +p1=$(grep '^BER\.*: 0.000' tmp | wc -l) +p2=$(grep '^Coded BER: 0.000' tmp | wc -l) +if [[ $p1 -eq 1 && $p2 -eq 1 ]]; then echo "OK"; else echo "BAD"; PASS=0; fi + +############################### +echo +echo "Simple test, LDPC, AWGN" +OFDM_MOD --in /dev/zero --ldpc --testframes 100 | + cohpsk_ch - - -20 -Fs 8000 -f -5 --fading_dir ../../build_linux/unittest | + OFDM_DEMOD --out /dev/null --ldpc --testframes --verbose 1 2>tmp +cat tmp +n=$(grep '^BER\.*:' tmp | cut -d ' ' -f 2) +p1=$(echo $n '<=' 0.10 | bc) +n=$(grep '^Coded.*BER\.*:' tmp | cut -d ' ' -f 3) +p2=$(echo $n '<=' 0.01 | bc) +if [[ $p1 -eq 1 && $p2 -eq 1 ]]; then echo "OK"; else echo "BAD"; PASS=0; fi + + +echo +if [[ $PASS == 1 ]]; then echo "PASSED"; else echo "FAILED"; fi |