Patent ID: 8767799

Claim:
A method of determining a signal-to-noise ratio in a wireless network, comprising: despreading the received signals by applying an unused channelization code; determining noise power based on output of the despreading; cancelling the noise power from power of at least one of the received signals to produce at least a modified received signal power; and determining, by a processor, a signal-to-noise ratio, SIR, based on the noise power and the modified received signal power, wherein the despreading, the determining noise power and the canceling are performed for a plurality of fingers of a receiver, and the determining a SIR includes, determining an estimated noise power for each of the plurality of fingers based on the noise power determined for each of the plurality of fingers and a total antenna power for each of the plurality of fingers, and determining a SIR based on the estimated noise powers for each of the fingers and the modified received signal power for each of the plurality of fingers.