Wbm2009v2/TestInterferenceResults

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Parent: Wbm2009v2

Contents

[edit] Scenario

Legenda:

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

[edit] 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

[edit] Topology 2, Channels 3 and 12

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

[edit] Saturday

[edit] 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

[edit] 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

[edit] Sunday

[edit] 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

[edit] 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

[edit] 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

[edit] 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

[edit] 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


[edit] Config snippet

[edit] 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__