File: ofdm_fade.sh

package info (click to toggle)
codec2 1.2.0-4
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 76,376 kB
  • sloc: ansic: 436,819; cpp: 2,091; objc: 1,736; sh: 1,510; python: 1,405; asm: 683; makefile: 605
file content (12 lines) | stat: -rwxr-xr-x 613 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
 
#!/usr/bin/env bash
#
# David June 2019
# Tests 700D OFDM modem fading channel performance, using a simulated channel

results=$(mktemp)
fading_dir=$1
# BER should be around 4% for this test (it's better for larger interleavers but no one uses interleaving in practice)
ofdm_mod --in /dev/zero --ldpc 1 --testframes 60 --txbpf | ch - - --No -24 -f -10 --mpp --fading_dir $fading_dir | ofdm_demod --out /dev/null --testframes --verbose 2 --ldpc 1 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)"