Patent ID: 7941117

Claim:
A method of processing an in-phase signal component and a quadrature signal component of a low intermediate frequency (LIF) signal, said method comprising: estimating and correcting an amplitude imbalance between a digitized in-phase signal component and a digitized quadrature signal component at a first point in time, wherein said digitized in-phase signal component corresponds to said in-phase signal component at said first point in time and said digitized quadrature signal component corresponds to said quadrature signal component at said first point in time; and estimating and correcting a phase imbalance between said digitized in-phase signal component and said digitized quadrature signal component at a second point in time in response to the correcting process, wherein said second point in time is subsequent to said first point in time, wherein the correcting of said amplitude imbalance comprises determining an amplitude offset between said digitized in-phase signal component at said first point in time and said digitized quadrature signal component at said first point in time.