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authorAuthor Name <[email protected]>2023-07-07 12:20:59 +0930
committerDavid Rowe <[email protected]>2023-07-07 12:29:06 +0930
commitac7c48b4dee99d4c772f133d70d8d1b38262fcd2 (patch)
treea2d0ace57a9c0e2e5b611c4987f6fed1b38b81e7 /unittest/ofdm_fade_dpsk.sh
shallow zip-file copy from codec2 e9d726bf20
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-rwxr-xr-xunittest/ofdm_fade_dpsk.sh15
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diff --git a/unittest/ofdm_fade_dpsk.sh b/unittest/ofdm_fade_dpsk.sh
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+++ b/unittest/ofdm_fade_dpsk.sh
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+#!/usr/bin/env bash
+#
+# David Sep 2019
+# Tests 2020 OFDM modem fading channel performance in DPSK mode, using a simulated faster (2Hz) high SNR fading channel
+
+fading_dir=$1
+results=$(mktemp)
+
+# Coded BER should be < 1% for this test
+ofdm_mod --in /dev/zero --testframes 300 --mode 2020 --ldpc --verbose 1 --dpsk | \
+ch - - --No -40 -f 10 --ssbfilt 1 --mpd --fading_dir $fading_dir --multipath_delay 2 | \
+ofdm_demod --out /dev/null --testframes --mode 2020 --verbose 1 --ldpc --dpsk 2> $results
+cat $results
+cber=$(cat $results | sed -n "s/^Coded BER.* \([0-9..]*\) Tbits.*/\1/p")
+python3 -c "import sys; sys.exit(0) if $cber<=0.05 else sys.exit(1)"