Patent ID: 7646704

Claim:
A method for spur cancellation in an Orthogonal Frequency Division Multiplexing communication system comprising: identifying a bin of a plurality of bins associated with an output of an inverse transformer and comprising a spur; estimating one or more spur phase parameters and a spur amplitude in association with the identified bin, wherein estimating comprises determining a phase detection metric for the identified bin and estimating a spur initial phase based on the phase detection metric and wherein determining a phase detection metric comprises determining a reconstructed spur using the estimated spur amplitude, phase change rate and a possible spur initial phase, determining at least one difference between the signal on the bin and a reconstructed spur, and summing the difference over more than one Orthogonal Frequency Division Multiplexing symbol; transforming a received signal to produce a plurality of parallel output signals, wherein each output signal of the plurality of output signals is associated with a bin of the plurality of bins; and canceling a spur in an output signal of the plurality of parallel output signals based on the estimated one or more spur phase parameters and the estimated spur amplitude, wherein the output signal is associated with the identified bin.