Patent ID: 7974181

Claim:
A method for reducing peak-to-average power ratio (PAR) in a data signal comprising: constructing, by a transmitter, a time-domain compensation signal from a plurality of vectors generated from PAR reduction tones (PRT), wherein each PRT generates two of the plurality of vectors, wherein constructing a time-domain compensation signal comprises constructing a desired target signal, wherein subtracting the desired target signal from the data signal results in a signal having a lower PAR than the data signal; and applying the time-domain compensation signal to the data signal after the data signal has been digitally filtered and re-sampled, wherein each vector in the plurality of vectors is generated from one of two out-of-phase symbols associated with a PRT, wherein the one of two out-of-phase symbols associated with the PRT is processed into a time-domain signal and digitally filtered and re-sampled to generate a corresponding vector.