Wbm2009v2/TestInterferenceResults

Parent: Wbm2009v2

Scenario

Legenda:

Wireless Link --)  (--
Wired Link --++--

Topology 1, Channel 3

Fonera1--) Link 1 (--Fonera2--) Link 2 (--Fonera3

• Link 1 AVG speed 470 KB/s
• Link 1+2 AVG speed 120 KB/s

Topology 2, Channels 3 and 12

Fonera1--) Link 1 Chan 3 (--Fonera2--++--Fonera4--) Link 2 Chan 12 (--Fonera3

Saturday

30 cm distance

• Link 1 AVG speed 470 KB/s
• Link 2 AVG speed 750 KB/s
• Link 1+2 AVG speed 200 KB/s

back to back

• Link 1 AVG speed 70 KB/s
• Link 2 AVG speed 400 KB/s
• Link 1+2 AVG speed 30 KB/s

Sunday

a fonera cable distance

• Link 1 AVG speed 600 KB/s
• Link 2 AVG speed 285 KB/s
• Link 1+2 AVG speed 31 KB/s

2.8 fonera cables distance (4.75 meters)

• Link 1 AVG speed 770 KB/s
• Link 2 AVG speed 450 KB/s
• Link 1+2 AVG speed 200 KB/s

back to back

• Link 1 AVG speed 750 KB/s
• Link 2 AVG speed 45 KB/s
• Link 1+2 AVG speed 26 KB/s

back to back with a metal plate in between

• Link 1 AVG speed 790 KB/s
• Link 2 AVG speed 700 KB/s
• Link 1+2 AVG speed 300 KB/s

How To Bandwidth Measurement

• Client: cURL

curl http://IP/cgi-bin/download > /dev/null

• Server:

Install mini-httpd and create this script in

/www/cgi-bin/download

#!/bin/ash
echo -e "Content-type: video/mpeg\r\n\r\n"
cat /dev/zero

Config snippet

Create BW test CGI

mkdir -p /www/cgi-bin
touch /www/cgi-bin/download
chmod +x /www/cgi-bin/download
cat > /www/cgi-bin/download << __END_OF_SCRIPT__
#!/bin/ash
echo -e "Content-type: video/mpeg\r\n\r\n"
cat /dev/zero
__END_OF_SCRIPT__