This rate control algorithm is no longer part of the kernel. 

As we also didn't get agreement to relicense this page, the content here has been removed. 

The old content is archived at [[http://linuxwireless.sipsolutions.net/en/developers/Documentation/mac80211/RateControl/PID/|http://linuxwireless.sipsolutions.net/en/developers/Documentation/mac80211/RateControl/PID/]]