A protocol for differentiating congestion-related packet loss versus random packet loss in a wireless data connection. The protocol monitors changes in the length of a transmission queue in a wireless data connection over an interval substantially equal to the amount of time it takes to transmit a window...http://www.google.com.tw/patents/US7020083?utm_source=gb-gplus-share專利 US7020083 - Method for improving TCP performance over wireless links