Patent ID: 7499486
Filing Date: 2009-03-03
Classification: H04L,Y02D

Abstract:
1. In a wireless system comprising at least one transceiver configurable for communication over a wireless communication channel, the transceiver comprising a transmitter and a receiver, a method for controlling a data transmission rate of the at least one transceiver, the method comprising the steps of: determining a signal quality characteristic corresponding to a signal received at the receiver by measuring a difference between one or more reference constellation points and one or more received constellation points, the signal quality characteristic representing an estimation of signal degradation through the wireless communication channel; and modifying a data transmission rate of the transmitter based, at least in part, on the signal quality characteristic; wherein the step of determining the signal quality characteristic comprises measuring a difference between one or more reference constellation points and one or more received constellation points for at least one of data samples and control samples corresponding to the received signal; wherein the step of measuring the difference between one or more reference constellation points and one or more received constellation points comprises the steps of: